diff --git a/codex-rs/Cargo.lock b/codex-rs/Cargo.lock
index ab630ef467da..9461a61fe98f 100644
--- a/codex-rs/Cargo.lock
+++ b/codex-rs/Cargo.lock
@@ -1853,6 +1853,7 @@ version = "0.0.0"
 dependencies = [
  "codex-protocol",
  "codex-state",
+ "codex-utils-absolute-path",
  "pretty_assertions",
  "serde",
  "serde_json",
@@ -2766,6 +2767,7 @@ dependencies = [
  "codex-model-provider-info",
  "codex-models-manager",
  "codex-protocol",
+ "codex-state",
  "codex-utils-absolute-path",
 ]
 
@@ -3167,6 +3169,7 @@ dependencies = [
  "codex-protocol",
  "codex-state",
  "codex-tools",
+ "codex-utils-absolute-path",
  "codex-utils-template",
  "pretty_assertions",
  "serde",
diff --git a/codex-rs/agent-graph-store/Cargo.toml b/codex-rs/agent-graph-store/Cargo.toml
index 45bcb84c4739..1bb5ed2699fb 100644
--- a/codex-rs/agent-graph-store/Cargo.toml
+++ b/codex-rs/agent-graph-store/Cargo.toml
@@ -19,6 +19,7 @@ serde = { workspace = true, features = ["derive"] }
 thiserror = { workspace = true }
 
 [dev-dependencies]
+codex-utils-absolute-path = { workspace = true }
 pretty_assertions = { workspace = true }
 serde_json = { workspace = true }
 tempfile = { workspace = true }
diff --git a/codex-rs/agent-graph-store/src/local.rs b/codex-rs/agent-graph-store/src/local.rs
index 56cb1f4ac46b..a7c1fd4a3395 100644
--- a/codex-rs/agent-graph-store/src/local.rs
+++ b/codex-rs/agent-graph-store/src/local.rs
@@ -16,7 +16,7 @@ pub struct LocalAgentGraphStore {
 impl std::fmt::Debug for LocalAgentGraphStore {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         f.debug_struct("LocalAgentGraphStore")
-            .field("codex_home", &self.state_db.codex_home())
+            .field("sqlite", self.state_db.sqlite())
             .finish_non_exhaustive()
     }
 }
@@ -126,6 +126,7 @@ fn internal_error(err: impl std::fmt::Display) -> AgentGraphStoreError {
 mod tests {
     use super::*;
     use codex_state::DirectionalThreadSpawnEdgeStatus;
+    use codex_utils_absolute_path::test_support::PathExt;
     use pretty_assertions::assert_eq;
     use tempfile::TempDir;
 
@@ -141,10 +142,12 @@ mod tests {
 
     async fn state_runtime() -> TestRuntime {
         let codex_home = TempDir::new().expect("tempdir should be created");
-        let state_db =
-            StateRuntime::init(codex_home.path().to_path_buf(), "test-provider".to_string())
-                .await
-                .expect("state db should initialize");
+        let state_db = StateRuntime::init(
+            codex_state::SqliteConfig::new_for_testing(codex_home.path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("state db should initialize");
         TestRuntime {
             state_db,
             _codex_home: codex_home,
diff --git a/codex-rs/app-server-transport/src/transport/remote_control/enroll.rs b/codex-rs/app-server-transport/src/transport/remote_control/enroll.rs
index c99191378187..be10fffb84c7 100644
--- a/codex-rs/app-server-transport/src/transport/remote_control/enroll.rs
+++ b/codex-rs/app-server-transport/src/transport/remote_control/enroll.rs
@@ -432,6 +432,7 @@ mod tests {
     use crate::transport::remote_control::protocol::normalize_remote_control_url;
     use crate::transport::remote_control::server_api::enroll_remote_control_server;
     use codex_state::StateRuntime;
+    use codex_utils_absolute_path::test_support::PathExt;
     use pretty_assertions::assert_eq;
     use serde_json::json;
     use std::sync::Arc;
@@ -445,9 +446,12 @@ mod tests {
     use tokio::time::timeout;
 
     async fn remote_control_state_runtime(codex_home: &TempDir) -> Arc<StateRuntime> {
-        StateRuntime::init(codex_home.path().to_path_buf(), "test-provider".to_string())
-            .await
-            .expect("state runtime should initialize")
+        StateRuntime::init(
+            codex_state::SqliteConfig::new_for_testing(codex_home.path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("state runtime should initialize")
     }
 
     #[test]
diff --git a/codex-rs/app-server-transport/src/transport/remote_control/tests.rs b/codex-rs/app-server-transport/src/transport/remote_control/tests.rs
index 328759faeb0f..bc8fe7a7a0c5 100644
--- a/codex-rs/app-server-transport/src/transport/remote_control/tests.rs
+++ b/codex-rs/app-server-transport/src/transport/remote_control/tests.rs
@@ -39,6 +39,7 @@ use codex_login::token_data::parse_chatgpt_jwt_claims;
 use codex_protocol::auth::AuthMode;
 use codex_state::RemoteControlEnrollmentRecord;
 use codex_state::StateRuntime;
+use codex_utils_absolute_path::test_support::PathExt;
 use futures::SinkExt;
 use futures::StreamExt;
 use gethostname::gethostname;
@@ -126,9 +127,12 @@ fn remote_control_auth_dot_json(account_id: Option<&str>) -> AuthDotJson {
 }
 
 async fn remote_control_state_runtime(codex_home: &TempDir) -> Arc<StateRuntime> {
-    StateRuntime::init(codex_home.path().to_path_buf(), "test-provider".to_string())
-        .await
-        .expect("state runtime should initialize")
+    StateRuntime::init(
+        codex_state::SqliteConfig::new_for_testing(codex_home.path().abs()),
+        "test-provider".to_string(),
+    )
+    .await
+    .expect("state runtime should initialize")
 }
 
 #[tokio::test]
diff --git a/codex-rs/app-server-transport/src/transport/remote_control/websocket.rs b/codex-rs/app-server-transport/src/transport/remote_control/websocket.rs
index b45d71dd2e63..84f5affe6d4c 100644
--- a/codex-rs/app-server-transport/src/transport/remote_control/websocket.rs
+++ b/codex-rs/app-server-transport/src/transport/remote_control/websocket.rs
@@ -1836,6 +1836,7 @@ mod tests {
     use codex_login::token_data::parse_chatgpt_jwt_claims;
     use codex_protocol::auth::AuthMode;
     use codex_state::StateRuntime;
+    use codex_utils_absolute_path::test_support::PathExt;
     use futures::StreamExt;
     use pretty_assertions::assert_eq;
     use std::sync::Arc;
@@ -1994,9 +1995,12 @@ mod tests {
     }
 
     pub(super) async fn remote_control_state_runtime(codex_home: &TempDir) -> Arc<StateRuntime> {
-        StateRuntime::init(codex_home.path().to_path_buf(), "test-provider".to_string())
-            .await
-            .expect("state runtime should initialize")
+        StateRuntime::init(
+            codex_state::SqliteConfig::new_for_testing(codex_home.path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("state runtime should initialize")
     }
 
     pub(super) fn remote_control_auth_manager() -> Arc<AuthManager> {
diff --git a/codex-rs/app-server/src/lib.rs b/codex-rs/app-server/src/lib.rs
index 169a6ca73ed0..24d0f94a567a 100644
--- a/codex-rs/app-server/src/lib.rs
+++ b/codex-rs/app-server/src/lib.rs
@@ -569,7 +569,7 @@ pub async fn run_main_with_transport_options(
         Err(err) => {
             return Err(std::io::Error::other(format!(
                 "failed to initialize sqlite state runtime under {}: {err}",
-                config.sqlite_home.display()
+                config.sqlite_config().home().display()
             )));
         }
     };
@@ -1196,16 +1196,8 @@ async fn init_sqlite_state_db_with_fresh_start_on_corruption(
             }
             Err(err) => err,
         };
-        let database_path =
-            codex_state::runtime_db_path_for_corruption_error(&err).unwrap_or_else(|| {
-                codex_state::SqliteConfig::from_sqlite_home(
-                    codex_utils_absolute_path::AbsolutePathBuf::resolve_path_against_base(
-                        config.sqlite_home.clone(),
-                        &config.codex_home,
-                    ),
-                )
-                .state_db_path()
-            });
+        let database_path = codex_state::runtime_db_path_for_corruption_error(&err)
+            .unwrap_or_else(|| config.sqlite_config().state_db_path());
         if !codex_state::is_sqlite_corruption_error(&err)
             && !sqlite_home_is_blocking_file(database_path.as_path())
         {
diff --git a/codex-rs/app-server/tests/suite/v2/external_agent_config.rs b/codex-rs/app-server/tests/suite/v2/external_agent_config.rs
index ce1c493397d2..f2ff5e077b8c 100644
--- a/codex-rs/app-server/tests/suite/v2/external_agent_config.rs
+++ b/codex-rs/app-server/tests/suite/v2/external_agent_config.rs
@@ -1,3 +1,4 @@
+use codex_utils_absolute_path::test_support::PathExt;
 use std::time::Duration;
 
 use anyhow::Result;
@@ -538,9 +539,11 @@ async fn external_agent_config_import_sends_completion_notification_for_sync_onl
     )
     .await??;
     assert_eq!(completed.import_id, import_id);
-    let state_db =
-        codex_state::StateRuntime::init(sqlite_home.path().to_path_buf(), "mock_provider".into())
-            .await?;
+    let state_db = codex_state::StateRuntime::init(
+        codex_state::SqliteConfig::new_for_testing(sqlite_home.path().abs()),
+        "mock_provider".into(),
+    )
+    .await?;
     let details_record = state_db
         .external_agent_config_import_details_record(&import_id)
         .await?
diff --git a/codex-rs/app-server/tests/suite/v2/memory_reset.rs b/codex-rs/app-server/tests/suite/v2/memory_reset.rs
index 6408f318d4a3..8e89fa9c20fc 100644
--- a/codex-rs/app-server/tests/suite/v2/memory_reset.rs
+++ b/codex-rs/app-server/tests/suite/v2/memory_reset.rs
@@ -9,6 +9,7 @@ use codex_protocol::protocol::SessionSource;
 use codex_state::Stage1JobClaimOutcome;
 use codex_state::StateRuntime;
 use codex_state::ThreadMetadataBuilder;
+use codex_utils_absolute_path::test_support::PathExt;
 use pretty_assertions::assert_eq;
 use std::path::Path;
 use std::sync::Arc;
@@ -120,7 +121,11 @@ async fn seed_stage1_output(state_db: &Arc<StateRuntime>, codex_home: &Path) ->
 }
 
 async fn init_state_db(codex_home: &Path) -> Result<Arc<StateRuntime>> {
-    let state_db = StateRuntime::init(codex_home.to_path_buf(), "mock_provider".into()).await?;
+    let state_db = StateRuntime::init(
+        codex_state::SqliteConfig::new_for_testing(codex_home.abs()),
+        "mock_provider".into(),
+    )
+    .await?;
     state_db
         .mark_backfill_complete(/*last_watermark*/ None)
         .await?;
diff --git a/codex-rs/app-server/tests/suite/v2/remote_control.rs b/codex-rs/app-server/tests/suite/v2/remote_control.rs
index 5f9ab44592ed..b8ec92952a4d 100644
--- a/codex-rs/app-server/tests/suite/v2/remote_control.rs
+++ b/codex-rs/app-server/tests/suite/v2/remote_control.rs
@@ -1,3 +1,4 @@
+use codex_utils_absolute_path::test_support::PathExt;
 use std::ffi::OsStr;
 use std::ffi::OsString;
 use std::io::ErrorKind;
@@ -254,8 +255,11 @@ async fn listen_off_honors_persisted_remote_control_enable() -> Result<()> {
         "ws://{}/backend-api/wham/remote/control/server",
         listener.local_addr()?
     );
-    let state_db =
-        StateRuntime::init(codex_home.path().to_path_buf(), "test-provider".to_string()).await?;
+    let state_db = StateRuntime::init(
+        codex_state::SqliteConfig::new_for_testing(codex_home.path().abs()),
+        "test-provider".to_string(),
+    )
+    .await?;
     state_db
         .upsert_remote_control_enrollment(&RemoteControlEnrollmentRecord {
             websocket_url,
@@ -298,8 +302,11 @@ async fn listen_off_ignores_persisted_enable_when_disabled_by_requirements() ->
         "ws://{}/backend-api/wham/remote/control/server",
         listener.local_addr()?
     );
-    let state_db =
-        StateRuntime::init(codex_home.path().to_path_buf(), "test-provider".to_string()).await?;
+    let state_db = StateRuntime::init(
+        codex_state::SqliteConfig::new_for_testing(codex_home.path().abs()),
+        "test-provider".to_string(),
+    )
+    .await?;
     state_db
         .upsert_remote_control_enrollment(&RemoteControlEnrollmentRecord {
             websocket_url: websocket_url.clone(),
@@ -348,9 +355,11 @@ async fn listen_off_exits_without_persisted_remote_control_enable() -> Result<()
                 "ws://{}/backend-api/wham/remote/control/server",
                 listener.local_addr()?
             );
-            let state_db =
-                StateRuntime::init(codex_home.path().to_path_buf(), "test-provider".to_string())
-                    .await?;
+            let state_db = StateRuntime::init(
+                codex_state::SqliteConfig::new_for_testing(codex_home.path().abs()),
+                "test-provider".to_string(),
+            )
+            .await?;
             state_db
                 .upsert_remote_control_enrollment(&RemoteControlEnrollmentRecord {
                     websocket_url,
@@ -460,8 +469,11 @@ async fn disable_waits_for_in_flight_durable_enable() -> Result<()> {
     let codex_home = TempDir::new()?;
     let mut backend = BlockingRemoteControlBackend::start(codex_home.path()).await?;
     let websocket_url = backend.websocket_url().to_string();
-    let state_db =
-        StateRuntime::init(codex_home.path().to_path_buf(), "test-provider".to_string()).await?;
+    let state_db = StateRuntime::init(
+        codex_state::SqliteConfig::new_for_testing(codex_home.path().abs()),
+        "test-provider".to_string(),
+    )
+    .await?;
     let mut mcp = TestAppServer::builder()
         .with_codex_home(codex_home.path())
         .without_auto_env()
@@ -494,8 +506,11 @@ async fn rpc_updates_durable_preference_but_ephemeral_does_not() -> Result<()> {
     let codex_home = TempDir::new()?;
     let mut backend = BlockingRemoteControlBackend::start(codex_home.path()).await?;
     let websocket_url = backend.websocket_url().to_string();
-    let state_db =
-        StateRuntime::init(codex_home.path().to_path_buf(), "test-provider".to_string()).await?;
+    let state_db = StateRuntime::init(
+        codex_state::SqliteConfig::new_for_testing(codex_home.path().abs()),
+        "test-provider".to_string(),
+    )
+    .await?;
 
     let mut mcp = TestAppServer::builder()
         .with_codex_home(codex_home.path())
diff --git a/codex-rs/app-server/tests/suite/v2/thread_archive.rs b/codex-rs/app-server/tests/suite/v2/thread_archive.rs
index 51c1a993779c..f850adb38475 100644
--- a/codex-rs/app-server/tests/suite/v2/thread_archive.rs
+++ b/codex-rs/app-server/tests/suite/v2/thread_archive.rs
@@ -25,6 +25,7 @@ use codex_core::find_thread_path_by_id_str;
 use codex_protocol::ThreadId;
 use codex_state::DirectionalThreadSpawnEdgeStatus;
 use codex_state::StateRuntime;
+use codex_utils_absolute_path::test_support::PathExt;
 use pretty_assertions::assert_eq;
 use std::path::Path;
 use tempfile::TempDir;
@@ -186,8 +187,11 @@ async fn thread_archive_archives_spawned_descendants() -> Result<()> {
     let parent_thread_id = ThreadId::from_string(&parent_id)?;
     let child_thread_id = ThreadId::from_string(&child_id)?;
     let grandchild_thread_id = ThreadId::from_string(&grandchild_id)?;
-    let state_db =
-        StateRuntime::init(codex_home.path().to_path_buf(), "mock_provider".into()).await?;
+    let state_db = StateRuntime::init(
+        codex_state::SqliteConfig::new_for_testing(codex_home.path().abs()),
+        "mock_provider".into(),
+    )
+    .await?;
     state_db
         .mark_backfill_complete(/*last_watermark*/ None)
         .await?;
@@ -292,8 +296,11 @@ async fn thread_archive_succeeds_when_descendant_archive_fails() -> Result<()> {
     let parent_thread_id = ThreadId::from_string(&parent_id)?;
     let child_thread_id = ThreadId::from_string(&child_id)?;
     let grandchild_thread_id = ThreadId::from_string(&grandchild_id)?;
-    let state_db =
-        StateRuntime::init(codex_home.path().to_path_buf(), "mock_provider".into()).await?;
+    let state_db = StateRuntime::init(
+        codex_state::SqliteConfig::new_for_testing(codex_home.path().abs()),
+        "mock_provider".into(),
+    )
+    .await?;
     state_db
         .mark_backfill_complete(/*last_watermark*/ None)
         .await?;
@@ -408,8 +415,11 @@ async fn thread_archive_succeeds_when_spawned_descendant_is_missing() -> Result<
     let parent_thread_id = ThreadId::from_string(&parent_id)?;
     let missing_child_thread_id = ThreadId::from_string("00000000-0000-0000-0000-000000000901")?;
 
-    let state_db =
-        StateRuntime::init(codex_home.path().to_path_buf(), "mock_provider".into()).await?;
+    let state_db = StateRuntime::init(
+        codex_state::SqliteConfig::new_for_testing(codex_home.path().abs()),
+        "mock_provider".into(),
+    )
+    .await?;
     state_db
         .mark_backfill_complete(/*last_watermark*/ None)
         .await?;
diff --git a/codex-rs/app-server/tests/suite/v2/thread_delete.rs b/codex-rs/app-server/tests/suite/v2/thread_delete.rs
index c3aa91cb2573..44e5096d1d3f 100644
--- a/codex-rs/app-server/tests/suite/v2/thread_delete.rs
+++ b/codex-rs/app-server/tests/suite/v2/thread_delete.rs
@@ -15,7 +15,9 @@ use codex_core::find_thread_path_by_id_str;
 use codex_protocol::ThreadId;
 use codex_protocol::protocol::HistoryPosition;
 use codex_state::DirectionalThreadSpawnEdgeStatus;
+use codex_state::SqliteConfig;
 use codex_state::StateRuntime;
+use codex_utils_absolute_path::test_support::PathExt;
 use pretty_assertions::assert_eq;
 use std::path::Path;
 use tempfile::TempDir;
@@ -32,8 +34,11 @@ async fn thread_delete_deletes_spawned_descendants() -> Result<()> {
     let grandchild_id =
         create_delete_test_rollout(codex_home.path(), /*minute*/ 2, "grandchild")?;
 
-    let state_db =
-        StateRuntime::init(codex_home.path().to_path_buf(), "mock_provider".into()).await?;
+    let state_db = StateRuntime::init(
+        codex_state::SqliteConfig::new_for_testing(codex_home.path().abs()),
+        "mock_provider".into(),
+    )
+    .await?;
     let parent_thread_id = ThreadId::from_string(&parent_id)?;
     let child_thread_id = ThreadId::from_string(&child_id)?;
     let grandchild_thread_id = ThreadId::from_string(&grandchild_id)?;
@@ -139,8 +144,11 @@ async fn thread_delete_preflights_external_fork_references_for_spawned_subtrees(
     })?;
     std::fs::write(external_path.as_path(), format!("{external_meta}\n"))?;
 
-    let state_db =
-        StateRuntime::init(codex_home.path().to_path_buf(), "mock_provider".into()).await?;
+    let state_db = StateRuntime::init(
+        SqliteConfig::new_for_testing(codex_home.path().abs()),
+        "mock_provider".into(),
+    )
+    .await?;
     state_db
         .upsert_thread_spawn_edge(
             parent_thread_id,
diff --git a/codex-rs/app-server/tests/suite/v2/thread_fork.rs b/codex-rs/app-server/tests/suite/v2/thread_fork.rs
index 2a7dba69c0d5..eb633a736e1e 100644
--- a/codex-rs/app-server/tests/suite/v2/thread_fork.rs
+++ b/codex-rs/app-server/tests/suite/v2/thread_fork.rs
@@ -46,6 +46,7 @@ use codex_rollout::append_rollout_item_to_path;
 use codex_rollout::append_thread_name;
 use codex_rollout::read_session_meta_line;
 use codex_state::StateRuntime;
+use codex_utils_absolute_path::test_support::PathExt;
 use core_test_support::responses;
 use pretty_assertions::assert_eq;
 use serde_json::Value;
@@ -522,8 +523,11 @@ async fn thread_fork_defers_inherited_active_goal_until_next_turn() -> Result<()
     }
     mcp.clear_message_buffer();
 
-    let state_db =
-        StateRuntime::init(codex_home.path().to_path_buf(), "mock_provider".into()).await?;
+    let state_db = StateRuntime::init(
+        codex_state::SqliteConfig::new_for_testing(codex_home.path().abs()),
+        "mock_provider".into(),
+    )
+    .await?;
     let source_goal = state_db
         .thread_goals()
         .replace_thread_goal(
diff --git a/codex-rs/app-server/tests/suite/v2/thread_list.rs b/codex-rs/app-server/tests/suite/v2/thread_list.rs
index e17c44f56870..61d9f1c1fc1d 100644
--- a/codex-rs/app-server/tests/suite/v2/thread_list.rs
+++ b/codex-rs/app-server/tests/suite/v2/thread_list.rs
@@ -36,6 +36,7 @@ use codex_protocol::protocol::RolloutLine;
 use codex_protocol::protocol::SessionSource as CoreSessionSource;
 use codex_protocol::protocol::SubAgentSource;
 use codex_state::DirectionalThreadSpawnEdgeStatus;
+use codex_utils_absolute_path::test_support::PathExt;
 use core_test_support::responses;
 use pretty_assertions::assert_eq;
 use std::cmp::Reverse;
@@ -608,15 +609,17 @@ sqlite = true
     // `thread/list` applies `search_term` on the sqlite fast path. This test creates
     // rollouts manually, so mark the DB backfill complete and then run an unsearched
     // list large enough to repair every rollout the searched list should find.
-    let state_db =
-        codex_state::StateRuntime::init(codex_home.path().to_path_buf(), "mock_provider".into())
-            .await?;
+    let state_db = codex_state::StateRuntime::init(
+        codex_state::SqliteConfig::new_for_testing(codex_home.path().abs()),
+        "mock_provider".into(),
+    )
+    .await?;
     state_db
         .mark_backfill_complete(/*last_watermark*/ None)
         .await?;
     let rollout_config = codex_rollout::RolloutConfig {
         codex_home: codex_home.path().to_path_buf(),
-        sqlite_home: codex_home.path().to_path_buf(),
+        sqlite: codex_state::SqliteConfig::new_for_testing(codex_home.path().abs()),
         cwd: codex_home.path().to_path_buf(),
         model_provider_id: "mock_provider".to_string(),
         generate_memories: false,
@@ -831,9 +834,11 @@ sqlite = true
         Some("mock_provider"),
         /*git_info*/ None,
     )?;
-    let state_db =
-        codex_state::StateRuntime::init(codex_home.path().to_path_buf(), "mock_provider".into())
-            .await?;
+    let state_db = codex_state::StateRuntime::init(
+        codex_state::SqliteConfig::new_for_testing(codex_home.path().abs()),
+        "mock_provider".into(),
+    )
+    .await?;
     state_db
         .mark_backfill_complete(/*last_watermark*/ None)
         .await?;
@@ -938,7 +943,7 @@ async fn thread_list_relation_filters_read_spawn_graph_from_state_db() -> Result
     let newer_child_id = ThreadId::new();
     let grandchild_id = ThreadId::new();
     let state_db = codex_state::StateRuntime::init(
-        codex_home.path().to_path_buf(),
+        codex_state::SqliteConfig::new_for_testing(codex_home.path().abs()),
         "mock_provider".to_string(),
     )
     .await?;
@@ -1722,15 +1727,17 @@ async fn thread_list_sort_recency_at_uses_state_db_order_with_provider_filter()
         "2025-01-03T00:00:00Z",
     )?;
 
-    let state_db =
-        codex_state::StateRuntime::init(codex_home.path().to_path_buf(), "mock_provider".into())
-            .await?;
+    let state_db = codex_state::StateRuntime::init(
+        codex_state::SqliteConfig::new_for_testing(codex_home.path().abs()),
+        "mock_provider".into(),
+    )
+    .await?;
     state_db
         .mark_backfill_complete(/*last_watermark*/ None)
         .await?;
     let rollout_config = codex_rollout::RolloutConfig {
         codex_home: codex_home.path().to_path_buf(),
-        sqlite_home: codex_home.path().to_path_buf(),
+        sqlite: codex_state::SqliteConfig::new_for_testing(codex_home.path().abs()),
         cwd: codex_home.path().to_path_buf(),
         model_provider_id: "mock_provider".to_string(),
         generate_memories: false,
diff --git a/codex-rs/app-server/tests/suite/v2/thread_memory_mode_set.rs b/codex-rs/app-server/tests/suite/v2/thread_memory_mode_set.rs
index c43caaff120d..91988a9ed379 100644
--- a/codex-rs/app-server/tests/suite/v2/thread_memory_mode_set.rs
+++ b/codex-rs/app-server/tests/suite/v2/thread_memory_mode_set.rs
@@ -12,6 +12,7 @@ use codex_app_server_protocol::ThreadStartResponse;
 use codex_features::Feature;
 use codex_protocol::ThreadId;
 use codex_state::StateRuntime;
+use codex_utils_absolute_path::test_support::PathExt;
 use pretty_assertions::assert_eq;
 use std::path::Path;
 use std::sync::Arc;
@@ -99,7 +100,11 @@ async fn thread_memory_mode_set_updates_stored_thread_state() -> Result<()> {
 }
 
 async fn init_state_db(codex_home: &Path) -> Result<Arc<StateRuntime>> {
-    let state_db = StateRuntime::init(codex_home.to_path_buf(), "mock_provider".into()).await?;
+    let state_db = StateRuntime::init(
+        codex_state::SqliteConfig::new_for_testing(codex_home.abs()),
+        "mock_provider".into(),
+    )
+    .await?;
     state_db
         .mark_backfill_complete(/*last_watermark*/ None)
         .await?;
diff --git a/codex-rs/app-server/tests/suite/v2/thread_metadata_update.rs b/codex-rs/app-server/tests/suite/v2/thread_metadata_update.rs
index b754e0eaa886..2a51fb7f7f65 100644
--- a/codex-rs/app-server/tests/suite/v2/thread_metadata_update.rs
+++ b/codex-rs/app-server/tests/suite/v2/thread_metadata_update.rs
@@ -29,6 +29,7 @@ use codex_protocol::ThreadId;
 use codex_protocol::protocol::GitInfo as RolloutGitInfo;
 use codex_rollout::state_db::reconcile_rollout;
 use codex_state::StateRuntime;
+use codex_utils_absolute_path::test_support::PathExt;
 use pretty_assertions::assert_eq;
 use serde_json::Value;
 use std::fs;
@@ -681,7 +682,11 @@ async fn thread_metadata_update_can_clear_stored_git_fields() -> Result<()> {
 }
 
 async fn init_state_db(codex_home: &Path) -> Result<Arc<StateRuntime>> {
-    let state_db = StateRuntime::init(codex_home.to_path_buf(), "mock_provider".into()).await?;
+    let state_db = StateRuntime::init(
+        codex_state::SqliteConfig::new_for_testing(codex_home.abs()),
+        "mock_provider".into(),
+    )
+    .await?;
     state_db
         .mark_backfill_complete(/*last_watermark*/ None)
         .await?;
diff --git a/codex-rs/app-server/tests/suite/v2/thread_read.rs b/codex-rs/app-server/tests/suite/v2/thread_read.rs
index 645de1f8bc94..b3af8ccb3bf1 100644
--- a/codex-rs/app-server/tests/suite/v2/thread_read.rs
+++ b/codex-rs/app-server/tests/suite/v2/thread_read.rs
@@ -471,8 +471,7 @@ async fn thread_search_occurrences_reads_paginated_projection() -> Result<()> {
     let thread_id = codex_protocol::ThreadId::default();
     let sqlite = codex_state::SqliteConfig::new_for_testing(codex_home.path().abs());
     let state_db =
-        codex_state::StateRuntime::init(sqlite.home().to_path_buf(), "mock_provider".to_string())
-            .await?;
+        codex_state::StateRuntime::init(sqlite.clone(), "mock_provider".to_string()).await?;
     let store = LocalThreadStore::new(
         LocalThreadStoreConfig {
             codex_home: codex_home.path().to_path_buf(),
@@ -1450,8 +1449,7 @@ async fn paginated_history_lists_use_projected_turns_and_items() -> Result<()> {
     let thread_id = codex_protocol::ThreadId::default();
     let sqlite = codex_state::SqliteConfig::new_for_testing(codex_home.path().abs());
     let state_db =
-        codex_state::StateRuntime::init(sqlite.home().to_path_buf(), "mock_provider".to_string())
-            .await?;
+        codex_state::StateRuntime::init(sqlite.clone(), "mock_provider".to_string()).await?;
     let store = LocalThreadStore::new(
         LocalThreadStoreConfig {
             codex_home: codex_home.path().to_path_buf(),
diff --git a/codex-rs/app-server/tests/suite/v2/thread_resume.rs b/codex-rs/app-server/tests/suite/v2/thread_resume.rs
index f348a8daf14e..d2105f56134f 100644
--- a/codex-rs/app-server/tests/suite/v2/thread_resume.rs
+++ b/codex-rs/app-server/tests/suite/v2/thread_resume.rs
@@ -98,6 +98,7 @@ use codex_rollout::append_rollout_item_to_path;
 use codex_rollout::read_session_meta_line;
 use codex_state::StateRuntime;
 use codex_utils_absolute_path::AbsolutePathBuf;
+use codex_utils_absolute_path::test_support::PathExt;
 use codex_utils_path_uri::LegacyAppPathString;
 use core_test_support::responses;
 use core_test_support::skip_if_no_network;
@@ -1890,8 +1891,11 @@ async fn thread_goal_set_edits_objective_without_resetting_usage() -> Result<()>
     )
     .await??;
 
-    let state_db =
-        StateRuntime::init(codex_home.path().to_path_buf(), "mock_provider".into()).await?;
+    let state_db = StateRuntime::init(
+        codex_state::SqliteConfig::new_for_testing(codex_home.path().abs()),
+        "mock_provider".into(),
+    )
+    .await?;
     let thread_id = ThreadId::from_string(&thread_id)?;
     let thread_metadata = state_db
         .get_thread(thread_id)
@@ -2589,8 +2593,11 @@ async fn thread_resume_prefers_persisted_git_metadata_for_local_threads() -> Res
         .join("\n")
             + "\n",
     )?;
-    let state_db =
-        StateRuntime::init(codex_home.path().to_path_buf(), "mock_provider".into()).await?;
+    let state_db = StateRuntime::init(
+        codex_state::SqliteConfig::new_for_testing(codex_home.path().abs()),
+        "mock_provider".into(),
+    )
+    .await?;
     state_db
         .mark_backfill_complete(/*last_watermark*/ None)
         .await?;
diff --git a/codex-rs/cli/src/doctor.rs b/codex-rs/cli/src/doctor.rs
index db9d21dad470..e3bdc6577825 100644
--- a/codex-rs/cli/src/doctor.rs
+++ b/codex-rs/cli/src/doctor.rs
@@ -1089,7 +1089,10 @@ fn config_check(config: &Config) -> DoctorCheck {
     ));
     details.push(format!("model provider: {}", config.model_provider_id));
     details.push(format!("log dir: {}", config.log_dir.display()));
-    details.push(format!("sqlite home: {}", config.sqlite_home.display()));
+    details.push(format!(
+        "sqlite home: {}",
+        config.sqlite_config().home().display()
+    ));
     details.push(format!("mcp servers: {}", config.mcp_servers.get().len()));
     feature_flag_details(config, &mut details);
     config_toml_details(config, &mut details);
@@ -2163,17 +2166,18 @@ async fn state_check(config: &Config) -> DoctorCheck {
     let mut details = Vec::new();
     path_readiness(&mut details, "CODEX_HOME", &config.codex_home);
     path_readiness(&mut details, "log dir", &config.log_dir);
-    path_readiness(&mut details, "sqlite home", &config.sqlite_home);
+    path_readiness(&mut details, "sqlite home", config.sqlite_config().home());
     let mut integrity_failures = Vec::new();
-    let sqlite = codex_state::SqliteConfig::from_sqlite_home(
-        codex_utils_absolute_path::AbsolutePathBuf::resolve_path_against_base(
-            &config.sqlite_home,
-            &config.codex_home,
-        ),
-    );
-    for db in sqlite.runtime_db_paths() {
+    for db in config.sqlite_config().runtime_db_paths() {
         path_readiness(&mut details, db.label, &db.path);
-        sqlite_integrity_detail(&mut details, &mut integrity_failures, db.label, &db.path).await;
+        sqlite_integrity_detail(
+            config.sqlite_config(),
+            &mut details,
+            &mut integrity_failures,
+            db.label,
+            &db.path,
+        )
+        .await;
     }
     rollout_stats_details(&mut details, &config.codex_home);
     standalone_release_cache_details(&mut details);
@@ -2198,6 +2202,7 @@ async fn state_check(config: &Config) -> DoctorCheck {
 }
 
 async fn sqlite_integrity_detail(
+    sqlite: &codex_state::SqliteConfig,
     details: &mut Vec<String>,
     integrity_failures: &mut Vec<String>,
     label: &str,
@@ -2208,7 +2213,7 @@ async fn sqlite_integrity_detail(
         return;
     }
 
-    match codex_state::sqlite_integrity_check(path).await {
+    match codex_state::sqlite_integrity_check(sqlite, path).await {
         Ok(rows) if rows.iter().all(|row| row == "ok") => {
             details.push(format!("{label} integrity: ok"));
         }
diff --git a/codex-rs/cli/src/doctor/thread_inventory.rs b/codex-rs/cli/src/doctor/thread_inventory.rs
index 61fb6b74b611..8b220c9c680a 100644
--- a/codex-rs/cli/src/doctor/thread_inventory.rs
+++ b/codex-rs/cli/src/doctor/thread_inventory.rs
@@ -91,15 +91,9 @@ impl RolloutScan {
 }
 
 pub(super) async fn thread_inventory_check(config: &Config) -> DoctorCheck {
-    let sqlite = codex_state::SqliteConfig::from_sqlite_home(
-        codex_utils_absolute_path::AbsolutePathBuf::resolve_path_against_base(
-            &config.sqlite_home,
-            &config.codex_home,
-        ),
-    );
     thread_inventory_check_for_roots(
         config.codex_home.as_path(),
-        &sqlite,
+        config.sqlite_config(),
         config.model_provider_id.as_str(),
     )
     .await
@@ -142,7 +136,7 @@ async fn thread_inventory_check_for_roots(
         return missing_state_db_check(scan, details);
     }
 
-    let rows = match codex_state::read_thread_state_audit_rows(&state_db_path).await {
+    let rows = match codex_state::read_thread_state_audit_rows(sqlite).await {
         Ok(rows) => rows,
         Err(err) => {
             details.push(format!("rollout DB read error: {err}"));
@@ -1310,7 +1304,7 @@ mod tests {
             let codex_home = TempDir::new().expect("codex home");
             let sqlite_home = TempDir::new().expect("sqlite home");
             let _runtime = codex_state::StateRuntime::init(
-                sqlite_home.path().to_path_buf(),
+                codex_state::SqliteConfig::new_for_testing(sqlite_home.path().abs()),
                 "test-provider".to_string(),
             )
             .await
@@ -1359,9 +1353,8 @@ mod tests {
 
         async fn insert_thread_row(&self, id: &str, rollout_path: &Path, archived: bool) {
             let sqlite = self.sqlite();
-            let state_db_path = sqlite.state_db_path();
             let pool = sqlite
-                .open_read_write_pool(&state_db_path)
+                .open_read_write_pool(&sqlite.state_db_path())
                 .await
                 .expect("sqlite pool");
             sqlx::query(
diff --git a/codex-rs/cli/src/main.rs b/codex-rs/cli/src/main.rs
index 62f158f7602a..f8b868d55d46 100644
--- a/codex-rs/cli/src/main.rs
+++ b/codex-rs/cli/src/main.rs
@@ -26,7 +26,6 @@ use codex_execpolicy::ExecPolicyCheckCommand;
 use codex_responses_api_proxy::Args as ResponsesApiProxyArgs;
 use codex_rollout_trace::REDUCED_STATE_FILE_NAME;
 use codex_rollout_trace::replay_bundle;
-use codex_state::SqliteConfig;
 use codex_state::StateRuntime;
 use codex_tui::AppExitInfo;
 use codex_tui::Cli as TuiCli;
@@ -2062,11 +2061,9 @@ async fn run_debug_clear_memories_command(
         .build()
         .await?;
 
-    let sqlite_home =
-        AbsolutePathBuf::resolve_path_against_base(&config.sqlite_home, &config.codex_home);
-    let memories_path = SqliteConfig::from_sqlite_home(sqlite_home).memories_db_path();
+    let memories_path = config.sqlite_config().memories_db_path();
     let cleared_memories_db =
-        StateRuntime::clear_memory_data_in_sqlite_home(config.sqlite_home.as_path()).await?;
+        StateRuntime::clear_memory_data_in_sqlite_home(config.sqlite_config()).await?;
 
     clear_memory_roots_contents(&config.codex_home).await?;
 
diff --git a/codex-rs/cli/tests/debug_clear_memories.rs b/codex-rs/cli/tests/debug_clear_memories.rs
index 1266ddb60c22..449825219d1d 100644
--- a/codex-rs/cli/tests/debug_clear_memories.rs
+++ b/codex-rs/cli/tests/debug_clear_memories.rs
@@ -16,8 +16,7 @@ fn codex_command(codex_home: &Path) -> Result<assert_cmd::Command> {
 async fn debug_clear_memories_resets_state_and_removes_memory_dir() -> Result<()> {
     let codex_home = TempDir::new()?;
     let sqlite = codex_state::SqliteConfig::new_for_testing(codex_home.path().abs());
-    let runtime =
-        StateRuntime::init(codex_home.path().to_path_buf(), "test-provider".to_string()).await?;
+    let runtime = StateRuntime::init(sqlite.clone(), "test-provider".to_string()).await?;
     drop(runtime);
 
     let thread_id = "00000000-0000-0000-0000-000000000123";
@@ -139,8 +138,7 @@ INSERT INTO jobs (
 async fn debug_clear_memories_resets_memories_db_without_state_db() -> Result<()> {
     let codex_home = TempDir::new()?;
     let sqlite = codex_state::SqliteConfig::new_for_testing(codex_home.path().abs());
-    let runtime =
-        StateRuntime::init(codex_home.path().to_path_buf(), "test-provider".to_string()).await?;
+    let runtime = StateRuntime::init(sqlite.clone(), "test-provider".to_string()).await?;
     runtime.close().await;
 
     let db_path = sqlite.state_db_path();
diff --git a/codex-rs/core-api/Cargo.toml b/codex-rs/core-api/Cargo.toml
index 2a5913d1a8cd..a6f061eadf67 100644
--- a/codex-rs/core-api/Cargo.toml
+++ b/codex-rs/core-api/Cargo.toml
@@ -28,4 +28,5 @@ codex-login = { workspace = true }
 codex-model-provider-info = { workspace = true }
 codex-models-manager = { workspace = true }
 codex-protocol = { workspace = true }
+codex-state = { workspace = true }
 codex-utils-absolute-path = { workspace = true }
diff --git a/codex-rs/core-api/src/lib.rs b/codex-rs/core-api/src/lib.rs
index 865e50fbc19d..3824f3558954 100644
--- a/codex-rs/core-api/src/lib.rs
+++ b/codex-rs/core-api/src/lib.rs
@@ -108,4 +108,5 @@ pub use codex_protocol::protocol::SessionSource;
 pub use codex_protocol::protocol::TurnEnvironmentSelection;
 pub use codex_protocol::protocol::W3cTraceContext;
 pub use codex_protocol::user_input::UserInput;
+pub use codex_state::SqliteConfig;
 pub use codex_utils_absolute_path::AbsolutePathBuf;
diff --git a/codex-rs/core/src/config/config_tests.rs b/codex-rs/core/src/config/config_tests.rs
index 9103ed8440c2..3b4bb448c293 100644
--- a/codex-rs/core/src/config/config_tests.rs
+++ b/codex-rs/core/src/config/config_tests.rs
@@ -5414,7 +5414,7 @@ async fn sqlite_home_defaults_to_codex_home_for_workspace_write() -> std::io::Re
     )
     .await?;
 
-    assert_eq!(config.sqlite_home, codex_home.path().to_path_buf());
+    assert_eq!(config.sqlite.home(), codex_home.path());
 
     Ok(())
 }
@@ -11933,7 +11933,7 @@ sandbox_private_desktop = false
     );
     let config = load_with_enterprise_requirement(&codex_home, requirements).await?;
 
-    assert_eq!(config.sqlite_home, required_sqlite_home);
+    assert_eq!(config.sqlite.home(), required_sqlite_home.as_path());
     assert_eq!(config.log_dir, required_log_dir);
     assert_eq!(config.model_catalog, Some(catalog));
     assert!(!config.check_for_update_on_startup);
diff --git a/codex-rs/core/src/config/mod.rs b/codex-rs/core/src/config/mod.rs
index ab7cc5092b26..e7422d5a5bf7 100644
--- a/codex-rs/core/src/config/mod.rs
+++ b/codex-rs/core/src/config/mod.rs
@@ -272,18 +272,16 @@ const LOCAL_DEV_BUILD_VERSION: &str = "0.0.0";
 pub const CONFIG_TOML_FILE: &str = "config.toml";
 const CONFIG_PROFILE_V2_SUFFIX: &str = ".config.toml";
 
-fn resolve_sqlite_home_env(resolved_cwd: &Path) -> Option<PathBuf> {
+fn resolve_sqlite_home_env(resolved_cwd: &Path) -> Option<AbsolutePathBuf> {
     let raw = std::env::var(codex_state::SQLITE_HOME_ENV).ok()?;
     let trimmed = raw.trim();
     if trimmed.is_empty() {
         return None;
     }
-    let path = PathBuf::from(trimmed);
-    if path.is_absolute() {
-        Some(path)
-    } else {
-        Some(resolved_cwd.join(path))
-    }
+    Some(AbsolutePathBuf::resolve_path_against_base(
+        trimmed,
+        resolved_cwd,
+    ))
 }
 
 fn resolve_cli_auth_credentials_store_mode(
@@ -893,8 +891,8 @@ pub struct Config {
     /// overridden by the `CODEX_HOME` environment variable).
     pub codex_home: AbsolutePathBuf,
 
-    /// Directory where Codex stores the SQLite state DB.
-    pub sqlite_home: PathBuf,
+    /// Resolved configuration shared by all Codex SQLite databases.
+    pub sqlite: codex_state::SqliteConfig,
 
     /// Directory where Codex writes log files (defaults to `$CODEX_HOME/log`).
     pub log_dir: PathBuf,
@@ -1437,6 +1435,10 @@ impl ConfigBuilder {
 }
 
 impl Config {
+    pub fn sqlite_config(&self) -> &codex_state::SqliteConfig {
+        &self.sqlite
+    }
+
     pub(crate) fn multi_agent_version_override(&self) -> Option<MultiAgentVersion> {
         if self.features.enabled(Feature::MultiAgentV2) {
             Some(MultiAgentVersion::V2)
@@ -3822,9 +3824,9 @@ impl Config {
         let sqlite_home = cfg
             .sqlite_home
             .as_ref()
-            .map(AbsolutePathBuf::to_path_buf)
+            .cloned()
             .or(sqlite_home_env)
-            .unwrap_or_else(|| codex_home.to_path_buf());
+            .unwrap_or_else(|| codex_home.clone());
         let original_permission_profile = permission_profile.clone();
         apply_requirement_constrained_value(
             "approval_policy",
@@ -4019,7 +4021,7 @@ impl Config {
             memories: memories_config,
             agent_interrupt_message_enabled,
             codex_home,
-            sqlite_home,
+            sqlite: codex_state::SqliteConfig::from_sqlite_home(sqlite_home),
             log_dir,
             config_lock_export_dir: cfg
                 .debug
diff --git a/codex-rs/core/src/rollout.rs b/codex-rs/core/src/rollout.rs
index 73fbe5b5e42e..ca1dcdeb17e5 100644
--- a/codex-rs/core/src/rollout.rs
+++ b/codex-rs/core/src/rollout.rs
@@ -28,8 +28,8 @@ impl codex_rollout::RolloutConfigView for Config {
         self.codex_home.as_path()
     }
 
-    fn sqlite_home(&self) -> &std::path::Path {
-        self.sqlite_home.as_path()
+    fn sqlite_config(&self) -> &codex_state::SqliteConfig {
+        self.sqlite_config()
     }
 
     fn cwd(&self) -> &std::path::Path {
diff --git a/codex-rs/core/src/session/tests.rs b/codex-rs/core/src/session/tests.rs
index 89fdd0568092..0cc73231e695 100644
--- a/codex-rs/core/src/session/tests.rs
+++ b/codex-rs/core/src/session/tests.rs
@@ -5776,7 +5776,7 @@ async fn make_session_with_history_source_and_agent_control_and_rx(
             codex_thread_store::LocalThreadStoreConfig::from_config(config.as_ref()),
             Some(
                 codex_state::StateRuntime::init(
-                    config.sqlite_home.clone(),
+                    config.sqlite.clone(),
                     config.model_provider_id.clone(),
                 )
                 .await
diff --git a/codex-rs/core/tests/suite/rollout_list_find.rs b/codex-rs/core/tests/suite/rollout_list_find.rs
index c8b10b24e8a3..771f370fc1ee 100644
--- a/codex-rs/core/tests/suite/rollout_list_find.rs
+++ b/codex-rs/core/tests/suite/rollout_list_find.rs
@@ -1,4 +1,5 @@
 #![allow(clippy::unwrap_used)]
+use codex_utils_absolute_path::test_support::PathExt;
 use std::io::Write;
 use std::path::Path;
 use std::path::PathBuf;
@@ -66,9 +67,12 @@ async fn upsert_thread_metadata(
     thread_id: ThreadId,
     rollout_path: PathBuf,
 ) -> StateDbHandle {
-    let runtime = StateRuntime::init(codex_home.to_path_buf(), "test-provider".to_string())
-        .await
-        .unwrap();
+    let runtime = StateRuntime::init(
+        codex_state::SqliteConfig::new_for_testing(codex_home.abs()),
+        "test-provider".to_string(),
+    )
+    .await
+    .unwrap();
     runtime
         .mark_backfill_complete(/*last_watermark*/ None)
         .await
diff --git a/codex-rs/core/tests/suite/sqlite_state.rs b/codex-rs/core/tests/suite/sqlite_state.rs
index b29ac524b106..35c65a433cac 100644
--- a/codex-rs/core/tests/suite/sqlite_state.rs
+++ b/codex-rs/core/tests/suite/sqlite_state.rs
@@ -24,7 +24,6 @@ use codex_protocol::protocol::SessionSource;
 use codex_protocol::protocol::UserMessageEvent;
 use codex_protocol::user_input::UserInput;
 use codex_web_search_extension::install as install_web_search_extension;
-use core_test_support::PathExt;
 use core_test_support::responses;
 use core_test_support::responses::ev_completed;
 use core_test_support::responses::ev_function_call;
@@ -67,9 +66,7 @@ async fn new_thread_is_recorded_in_state_db() -> Result<()> {
 
     let thread_id = test.session_configured.thread_id;
     let rollout_path = test.codex.rollout_path().expect("rollout path");
-    let db_path =
-        codex_state::SqliteConfig::new_for_testing(test.config.sqlite_home.as_path().abs())
-            .state_db_path();
+    let db_path = test.config.sqlite.state_db_path();
 
     for _ in 0..100 {
         if tokio::fs::try_exists(&db_path).await.unwrap_or(false) {
@@ -426,9 +423,7 @@ async fn backfill_scans_existing_rollouts() -> Result<()> {
 
     let test = builder.build(&server).await?;
 
-    let db_path =
-        codex_state::SqliteConfig::new_for_testing(test.config.sqlite_home.as_path().abs())
-            .state_db_path();
+    let db_path = test.config.sqlite.state_db_path();
     let rollout_path = test.config.codex_home.join(&rollout_rel_path);
     let default_provider = test.config.model_provider_id.clone();
 
@@ -479,9 +474,7 @@ async fn user_messages_persist_in_state_db() -> Result<()> {
     });
     let test = builder.build(&server).await?;
 
-    let db_path =
-        codex_state::SqliteConfig::new_for_testing(test.config.sqlite_home.as_path().abs())
-            .state_db_path();
+    let db_path = test.config.sqlite.state_db_path();
     for _ in 0..100 {
         if tokio::fs::try_exists(&db_path).await.unwrap_or(false) {
             break;
diff --git a/codex-rs/ext/goal/Cargo.toml b/codex-rs/ext/goal/Cargo.toml
index 4d75ba2f26ae..f6ee92ce3aef 100644
--- a/codex-rs/ext/goal/Cargo.toml
+++ b/codex-rs/ext/goal/Cargo.toml
@@ -30,6 +30,7 @@ tracing = { workspace = true }
 [dev-dependencies]
 anyhow = { workspace = true }
 chrono = { workspace = true }
+codex-utils-absolute-path = { workspace = true }
 pretty_assertions = { workspace = true }
 tempfile = { workspace = true }
 tokio = { workspace = true, features = ["macros", "rt-multi-thread"] }
diff --git a/codex-rs/ext/goal/tests/goal_extension_backend.rs b/codex-rs/ext/goal/tests/goal_extension_backend.rs
index 206216058067..eb751321df6e 100644
--- a/codex-rs/ext/goal/tests/goal_extension_backend.rs
+++ b/codex-rs/ext/goal/tests/goal_extension_backend.rs
@@ -1,6 +1,7 @@
 #![recursion_limit = "256"]
 #![allow(clippy::expect_used)]
 
+use codex_utils_absolute_path::test_support::PathExt;
 use std::sync::Arc;
 use std::sync::Mutex;
 use std::sync::PoisonError;
@@ -1358,7 +1359,11 @@ fn tool_call(tool_name: &str, call_id: &str, arguments: serde_json::Value) -> To
 
 async fn test_runtime() -> anyhow::Result<Arc<codex_state::StateRuntime>> {
     let tempdir = TempDir::new()?;
-    codex_state::StateRuntime::init(tempdir.keep(), "test-provider".to_string()).await
+    codex_state::StateRuntime::init(
+        codex_state::SqliteConfig::new_for_testing(tempdir.keep().as_path().abs()),
+        "test-provider".to_string(),
+    )
+    .await
 }
 
 fn test_thread_id() -> anyhow::Result<ThreadId> {
@@ -1372,7 +1377,8 @@ async fn seed_thread_metadata(
     let builder = codex_state::ThreadMetadataBuilder::new(
         thread_id,
         runtime
-            .codex_home()
+            .sqlite()
+            .home()
             .join(format!("rollout-{thread_id}.jsonl")),
         chrono::Utc::now(),
         SessionSource::Cli,
diff --git a/codex-rs/memories/write/src/startup_tests.rs b/codex-rs/memories/write/src/startup_tests.rs
index 2e11e40a0304..f53859801bc8 100644
--- a/codex-rs/memories/write/src/startup_tests.rs
+++ b/codex-rs/memories/write/src/startup_tests.rs
@@ -30,6 +30,7 @@ use codex_protocol::protocol::RolloutItem;
 use codex_protocol::protocol::RolloutLine;
 use codex_protocol::protocol::SessionSource;
 use codex_state::Phase2JobClaimOutcome;
+use codex_utils_absolute_path::test_support::PathExt;
 use core_test_support::responses::ResponseMock;
 use core_test_support::responses::ResponsesRequest;
 use core_test_support::responses::ev_assistant_message;
@@ -596,8 +597,11 @@ async fn build_test_codex_with_memories_config(
 }
 
 async fn init_state_db(home: &Arc<TempDir>) -> anyhow::Result<Arc<codex_state::StateRuntime>> {
-    let db =
-        codex_state::StateRuntime::init(home.path().to_path_buf(), "test-provider".into()).await?;
+    let db = codex_state::StateRuntime::init(
+        codex_state::SqliteConfig::new_for_testing(home.path().abs()),
+        "test-provider".into(),
+    )
+    .await?;
     db.mark_backfill_complete(/*last_watermark*/ None).await?;
     Ok(db)
 }
diff --git a/codex-rs/rollout/Cargo.toml b/codex-rs/rollout/Cargo.toml
index da257fbcecbd..13d379c117d0 100644
--- a/codex-rs/rollout/Cargo.toml
+++ b/codex-rs/rollout/Cargo.toml
@@ -47,4 +47,5 @@ uuid = { workspace = true }
 zstd = { workspace = true }
 
 [dev-dependencies]
+codex-utils-absolute-path = { workspace = true }
 pretty_assertions = { workspace = true }
diff --git a/codex-rs/rollout/src/compression_tests.rs b/codex-rs/rollout/src/compression_tests.rs
index f5c74a353e40..8b54ae5ec852 100644
--- a/codex-rs/rollout/src/compression_tests.rs
+++ b/codex-rs/rollout/src/compression_tests.rs
@@ -1,3 +1,4 @@
+use codex_utils_absolute_path::test_support::PathExt;
 use std::fs;
 use std::fs::FileTimes;
 #[cfg(unix)]
@@ -392,7 +393,7 @@ async fn resume_materializes_compressed_rollout_path() -> anyhow::Result<()> {
     let home = TempDir::new()?;
     let config = RolloutConfig {
         codex_home: home.path().to_path_buf(),
-        sqlite_home: home.path().to_path_buf(),
+        sqlite: codex_state::SqliteConfig::new_for_testing(home.path().abs()),
         cwd: home.path().to_path_buf(),
         model_provider_id: "test-provider".to_string(),
         generate_memories: true,
diff --git a/codex-rs/rollout/src/config.rs b/codex-rs/rollout/src/config.rs
index 420949bfbd31..59d2b6453b2c 100644
--- a/codex-rs/rollout/src/config.rs
+++ b/codex-rs/rollout/src/config.rs
@@ -1,10 +1,11 @@
+use codex_state::SqliteConfig;
 use std::path::Path;
 use std::path::PathBuf;
 use std::sync::Arc;
 
 pub trait RolloutConfigView {
     fn codex_home(&self) -> &Path;
-    fn sqlite_home(&self) -> &Path;
+    fn sqlite_config(&self) -> &SqliteConfig;
     fn cwd(&self) -> &Path;
     fn model_provider_id(&self) -> &str;
     fn generate_memories(&self) -> bool;
@@ -13,7 +14,7 @@ pub trait RolloutConfigView {
 #[derive(Clone, Debug, PartialEq, Eq)]
 pub struct RolloutConfig {
     pub codex_home: PathBuf,
-    pub sqlite_home: PathBuf,
+    pub sqlite: SqliteConfig,
     pub cwd: PathBuf,
     pub model_provider_id: String,
     pub generate_memories: bool,
@@ -25,7 +26,7 @@ impl RolloutConfig {
     pub fn from_view(view: &impl RolloutConfigView) -> Self {
         Self {
             codex_home: view.codex_home().to_path_buf(),
-            sqlite_home: view.sqlite_home().to_path_buf(),
+            sqlite: view.sqlite_config().clone(),
             cwd: view.cwd().to_path_buf(),
             model_provider_id: view.model_provider_id().to_string(),
             generate_memories: view.generate_memories(),
@@ -38,8 +39,8 @@ impl RolloutConfigView for RolloutConfig {
         self.codex_home.as_path()
     }
 
-    fn sqlite_home(&self) -> &Path {
-        self.sqlite_home.as_path()
+    fn sqlite_config(&self) -> &SqliteConfig {
+        &self.sqlite
     }
 
     fn cwd(&self) -> &Path {
@@ -60,8 +61,8 @@ impl<T: RolloutConfigView + ?Sized> RolloutConfigView for &T {
         (*self).codex_home()
     }
 
-    fn sqlite_home(&self) -> &Path {
-        (*self).sqlite_home()
+    fn sqlite_config(&self) -> &SqliteConfig {
+        (*self).sqlite_config()
     }
 
     fn cwd(&self) -> &Path {
@@ -82,8 +83,8 @@ impl<T: RolloutConfigView + ?Sized> RolloutConfigView for Arc<T> {
         self.as_ref().codex_home()
     }
 
-    fn sqlite_home(&self) -> &Path {
-        self.as_ref().sqlite_home()
+    fn sqlite_config(&self) -> &SqliteConfig {
+        self.as_ref().sqlite_config()
     }
 
     fn cwd(&self) -> &Path {
diff --git a/codex-rs/rollout/src/metadata_tests.rs b/codex-rs/rollout/src/metadata_tests.rs
index 03677a8b56b1..cce72a642d9b 100644
--- a/codex-rs/rollout/src/metadata_tests.rs
+++ b/codex-rs/rollout/src/metadata_tests.rs
@@ -16,6 +16,7 @@ use codex_protocol::protocol::SessionSource;
 use codex_protocol::protocol::ThreadHistoryMode;
 use codex_state::BackfillStatus;
 use codex_state::ThreadMetadataBuilder;
+use codex_utils_absolute_path::test_support::PathExt;
 use pretty_assertions::assert_eq;
 use std::fs::File;
 use std::io::Write;
@@ -249,9 +250,12 @@ async fn backfill_sessions_resumes_from_watermark_and_marks_complete() {
         /*git*/ None,
     );
 
-    let runtime = codex_state::StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-        .await
-        .expect("initialize runtime");
+    let runtime = codex_state::StateRuntime::init(
+        codex_state::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+        "test-provider".to_string(),
+    )
+    .await
+    .expect("initialize runtime");
     let first_watermark = backfill_watermark_for_path(codex_home.as_path(), first_path.as_path());
     runtime.mark_backfill_running().await.expect("mark running");
     runtime
@@ -314,9 +318,12 @@ async fn backfill_sessions_preserves_existing_git_branch_and_fills_missing_git_f
         }),
     );
 
-    let runtime = codex_state::StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-        .await
-        .expect("initialize runtime");
+    let runtime = codex_state::StateRuntime::init(
+        codex_state::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+        "test-provider".to_string(),
+    )
+    .await
+    .expect("initialize runtime");
     let thread_id = ThreadId::from_string(&thread_uuid.to_string()).expect("thread id");
     let mut existing = extract_metadata_from_rollout(&rollout_path, "test-provider")
         .await
@@ -360,9 +367,12 @@ async fn backfill_sessions_preserves_existing_paginated_memory_mode() {
         ThreadHistoryMode::Paginated,
     );
 
-    let runtime = codex_state::StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-        .await
-        .expect("initialize runtime");
+    let runtime = codex_state::StateRuntime::init(
+        codex_state::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+        "test-provider".to_string(),
+    )
+    .await
+    .expect("initialize runtime");
     let thread_id = ThreadId::from_string(&thread_uuid.to_string()).expect("thread id");
     let existing = extract_metadata_from_rollout(&rollout_path, "test-provider")
         .await
@@ -407,9 +417,12 @@ async fn backfill_sessions_normalizes_cwd_before_upsert() {
         ThreadHistoryMode::Legacy,
     );
 
-    let runtime = codex_state::StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-        .await
-        .expect("initialize runtime");
+    let runtime = codex_state::StateRuntime::init(
+        codex_state::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+        "test-provider".to_string(),
+    )
+    .await
+    .expect("initialize runtime");
 
     backfill_sessions(runtime.as_ref(), codex_home.as_path(), "test-provider").await;
 
diff --git a/codex-rs/rollout/src/recorder.rs b/codex-rs/rollout/src/recorder.rs
index 7b6d783fc96c..81ee9820f2b9 100644
--- a/codex-rs/rollout/src/recorder.rs
+++ b/codex-rs/rollout/src/recorder.rs
@@ -437,6 +437,7 @@ impl RolloutRecorder {
         search_term: Option<&str>,
     ) -> std::io::Result<ThreadsPage> {
         let codex_home = config.codex_home();
+        let sqlite = config.sqlite_config();
         let archived = match archive_filter {
             ThreadListArchiveFilter::Active => false,
             ThreadListArchiveFilter::Archived => true,
@@ -448,7 +449,7 @@ impl RolloutRecorder {
         if matches!(repair_mode, ThreadListRepairMode::StateDbOnly) {
             return Ok(state_db::list_threads_db(
                 state_db_ctx.as_deref(),
-                codex_home,
+                sqlite,
                 page_size,
                 cursor,
                 sort_key,
@@ -558,7 +559,7 @@ impl RolloutRecorder {
 
         let db_page = state_db::list_threads_db(
             state_db_ctx.as_deref(),
-            codex_home,
+            sqlite,
             page_size,
             cursor,
             sort_key,
@@ -588,7 +589,7 @@ impl RolloutRecorder {
                 }
                 if let Some(repaired_db_page) = state_db::list_threads_db(
                     state_db_ctx.as_deref(),
-                    codex_home,
+                    sqlite,
                     page_size,
                     cursor,
                     sort_key,
@@ -629,7 +630,7 @@ impl RolloutRecorder {
                 if sort_key == ThreadSortKey::RecencyAt {
                     if let Some(repaired_db_page) = state_db::list_threads_db(
                         state_db_ctx.as_deref(),
-                        codex_home,
+                        sqlite,
                         page_size,
                         cursor,
                         sort_key,
@@ -701,6 +702,7 @@ impl RolloutRecorder {
         filter_cwd: Option<&Path>,
     ) -> std::io::Result<Option<PathBuf>> {
         let codex_home = config.codex_home();
+        let sqlite = config.sqlite_config();
         let cwd_filter = filter_cwd.map(Path::to_path_buf);
         let mut fallback_reason = state_db_ctx.is_none().then_some("db_unavailable");
         if state_db_ctx.is_some() {
@@ -708,7 +710,7 @@ impl RolloutRecorder {
             loop {
                 let Some(db_page) = state_db::list_threads_db(
                     state_db_ctx.as_deref(),
-                    codex_home,
+                    sqlite,
                     page_size,
                     db_cursor.as_ref(),
                     sort_key,
diff --git a/codex-rs/rollout/src/recorder_tests.rs b/codex-rs/rollout/src/recorder_tests.rs
index 248e9c218238..7ba7143b410c 100644
--- a/codex-rs/rollout/src/recorder_tests.rs
+++ b/codex-rs/rollout/src/recorder_tests.rs
@@ -18,6 +18,7 @@ use codex_protocol::protocol::SessionSource;
 use codex_protocol::protocol::ThreadHistoryMode;
 use codex_protocol::protocol::TurnContextItem;
 use codex_protocol::protocol::UserMessageEvent;
+use codex_utils_absolute_path::test_support::PathExt;
 use pretty_assertions::assert_eq;
 use std::fs;
 use std::fs::File;
@@ -31,7 +32,7 @@ use uuid::Uuid;
 fn test_config(codex_home: &Path) -> RolloutConfig {
     RolloutConfig {
         codex_home: codex_home.to_path_buf(),
-        sqlite_home: codex_home.to_path_buf(),
+        sqlite: codex_state::SqliteConfig::new_for_testing(codex_home.abs()),
         cwd: codex_home.to_path_buf(),
         model_provider_id: "test-provider".to_string(),
         generate_memories: true,
@@ -943,7 +944,7 @@ async fn list_threads_db_enabled_drops_missing_rollout_paths() -> std::io::Resul
     ));
 
     let runtime = codex_state::StateRuntime::init(
-        home.path().to_path_buf(),
+        codex_state::SqliteConfig::new_for_testing(home.path().abs()),
         config.model_provider_id.clone(),
     )
     .await
@@ -1009,7 +1010,7 @@ async fn list_threads_db_enabled_repairs_stale_rollout_paths() -> std::io::Resul
     ));
 
     let runtime = codex_state::StateRuntime::init(
-        home.path().to_path_buf(),
+        codex_state::SqliteConfig::new_for_testing(home.path().abs()),
         config.model_provider_id.clone(),
     )
     .await
@@ -1070,7 +1071,7 @@ async fn list_threads_state_db_only_skips_jsonl_repair_scan() -> std::io::Result
     let config = test_config(home.path());
 
     let runtime = codex_state::StateRuntime::init(
-        home.path().to_path_buf(),
+        codex_state::SqliteConfig::new_for_testing(home.path().abs()),
         config.model_provider_id.clone(),
     )
     .await
@@ -1174,7 +1175,7 @@ async fn list_threads_default_filter_returns_filesystem_scan_results() -> std::i
     let stale_cwd = home.path().join("stale-cwd");
 
     let runtime = codex_state::StateRuntime::init(
-        home.path().to_path_buf(),
+        codex_state::SqliteConfig::new_for_testing(home.path().abs()),
         config.model_provider_id.clone(),
     )
     .await
@@ -1264,7 +1265,7 @@ async fn list_threads_metadata_filter_overlays_state_db_list_metadata() -> std::
     let rollout_path = write_session_file(home.path(), "2025-01-03T16-00-00", uuid)?;
 
     let runtime = codex_state::StateRuntime::init(
-        home.path().to_path_buf(),
+        codex_state::SqliteConfig::new_for_testing(home.path().abs()),
         config.model_provider_id.clone(),
     )
     .await
@@ -1407,7 +1408,7 @@ async fn list_threads_search_repairs_stale_state_db_hits_before_returning() -> s
     let real_path = write_session_file(home.path(), "2025-01-03T15-00-00", uuid)?;
 
     let runtime = codex_state::StateRuntime::init(
-        home.path().to_path_buf(),
+        codex_state::SqliteConfig::new_for_testing(home.path().abs()),
         config.model_provider_id.clone(),
     )
     .await
diff --git a/codex-rs/rollout/src/state_db.rs b/codex-rs/rollout/src/state_db.rs
index 916c75a32557..e26b15fd2583 100644
--- a/codex-rs/rollout/src/state_db.rs
+++ b/codex-rs/rollout/src/state_db.rs
@@ -13,8 +13,8 @@ use codex_protocol::protocol::RolloutItem;
 use codex_protocol::protocol::SessionSource;
 use codex_protocol::protocol::ThreadHistoryMode;
 pub use codex_state::LogEntry;
+use codex_state::SqliteConfig;
 use codex_state::ThreadMetadataBuilder;
-use codex_utils_absolute_path::AbsolutePathBuf;
 use codex_utils_path::normalize_for_path_comparison;
 use serde_json::Value;
 use std::path::Path;
@@ -44,13 +44,7 @@ const STARTUP_BACKFILL_WAIT_TIMEOUT: Duration = Duration::from_secs(2);
 /// initialized handle.
 pub async fn init(config: &impl RolloutConfigView) -> Option<StateDbHandle> {
     let config = RolloutConfig::from_view(config);
-    match try_init_with_roots(
-        config.codex_home,
-        config.sqlite_home,
-        config.model_provider_id,
-    )
-    .await
-    {
+    match try_init_with_roots(config.codex_home, config.sqlite, config.model_provider_id).await {
         Ok(runtime) => Some(runtime),
         Err(err) => {
             emit_startup_warning(&format!("failed to initialize state runtime: {err:#}"));
@@ -65,22 +59,17 @@ pub async fn init(config: &impl RolloutConfigView) -> Option<StateDbHandle> {
 /// tracing or UI setup has completed.
 pub async fn try_init(config: &impl RolloutConfigView) -> anyhow::Result<StateDbHandle> {
     let config = RolloutConfig::from_view(config);
-    try_init_with_roots(
-        config.codex_home,
-        config.sqlite_home,
-        config.model_provider_id,
-    )
-    .await
+    try_init_with_roots(config.codex_home, config.sqlite, config.model_provider_id).await
 }
 
 async fn try_init_with_roots(
     codex_home: PathBuf,
-    sqlite_home: PathBuf,
+    sqlite: SqliteConfig,
     default_model_provider_id: String,
 ) -> anyhow::Result<StateDbHandle> {
     try_init_with_roots_inner(
         codex_home,
-        sqlite_home,
+        sqlite,
         default_model_provider_id,
         /*backfill_lease_seconds*/ None,
     )
@@ -90,13 +79,13 @@ async fn try_init_with_roots(
 #[cfg(test)]
 async fn try_init_with_roots_and_backfill_lease(
     codex_home: PathBuf,
-    sqlite_home: PathBuf,
+    sqlite: SqliteConfig,
     default_model_provider_id: String,
     backfill_lease_seconds: i64,
 ) -> anyhow::Result<StateDbHandle> {
     try_init_with_roots_inner(
         codex_home,
-        sqlite_home,
+        sqlite,
         default_model_provider_id,
         Some(backfill_lease_seconds),
     )
@@ -105,17 +94,17 @@ async fn try_init_with_roots_and_backfill_lease(
 
 async fn try_init_with_roots_inner(
     codex_home: PathBuf,
-    sqlite_home: PathBuf,
+    sqlite: SqliteConfig,
     default_model_provider_id: String,
     backfill_lease_seconds: Option<i64>,
 ) -> anyhow::Result<StateDbHandle> {
     let runtime =
-        codex_state::StateRuntime::init(sqlite_home.clone(), default_model_provider_id.clone())
+        codex_state::StateRuntime::init(sqlite.clone(), default_model_provider_id.clone())
             .await
             .with_context(|| {
                 format!(
                     "failed to initialize state runtime at {}",
-                    sqlite_home.display()
+                    sqlite.home().display()
                 )
             })?;
     let backfill_gate_started = Instant::now();
@@ -217,8 +206,7 @@ fn emit_startup_warning(message: &str) {
 /// Unlike [`init`], this helper does not run rollout backfill. It is for
 /// optional local reads from non-owning contexts such as remote app-server mode.
 pub async fn get_state_db(config: &impl RolloutConfigView) -> Option<StateDbHandle> {
-    let sqlite_home = AbsolutePathBuf::try_from(config.sqlite_home()).ok()?;
-    let state_path = codex_state::SqliteConfig::from_sqlite_home(sqlite_home).state_db_path();
+    let state_path = config.sqlite_config().state_db_path();
     if !tokio::fs::try_exists(&state_path).await.unwrap_or(false) {
         codex_state::record_fallback(
             "get_state_db",
@@ -228,7 +216,7 @@ pub async fn get_state_db(config: &impl RolloutConfigView) -> Option<StateDbHand
         return None;
     }
     let runtime = match codex_state::StateRuntime::init(
-        config.sqlite_home().to_path_buf(),
+        config.sqlite_config().clone(),
         config.model_provider_id().to_string(),
     )
     .await
@@ -243,7 +231,7 @@ pub async fn get_state_db(config: &impl RolloutConfigView) -> Option<StateDbHand
             return None;
         }
     };
-    require_backfill_complete(runtime, config.sqlite_home()).await
+    require_backfill_complete(runtime, config.sqlite_config().home()).await
 }
 
 /// Build a SQLite telemetry recorder backed by an OTEL metrics client.
@@ -307,7 +295,7 @@ pub fn normalize_cwd_for_state_db(cwd: &Path) -> PathBuf {
 #[allow(clippy::too_many_arguments)]
 pub async fn list_thread_ids_db(
     context: Option<&codex_state::StateRuntime>,
-    codex_home: &Path,
+    sqlite: &codex_state::SqliteConfig,
     page_size: usize,
     cursor: Option<&Cursor>,
     sort_key: ThreadSortKey,
@@ -317,12 +305,13 @@ pub async fn list_thread_ids_db(
     stage: &str,
 ) -> Option<Vec<ThreadId>> {
     let ctx = context?;
-    if ctx.codex_home() != codex_home {
+    if ctx.sqlite() != sqlite {
         warn!(
-            "state db codex_home mismatch: expected {}, got {}",
-            ctx.codex_home().display(),
-            codex_home.display()
+            "state db SQLite home mismatch: expected {}, got {}",
+            sqlite.home().display(),
+            ctx.sqlite().home().display()
         );
+        return None;
     }
 
     let anchor = cursor_to_anchor(cursor);
@@ -362,7 +351,7 @@ pub async fn list_thread_ids_db(
 #[allow(clippy::too_many_arguments)]
 pub async fn list_threads_db(
     context: Option<&codex_state::StateRuntime>,
-    codex_home: &Path,
+    sqlite: &codex_state::SqliteConfig,
     page_size: usize,
     cursor: Option<&Cursor>,
     sort_key: ThreadSortKey,
@@ -376,12 +365,13 @@ pub async fn list_threads_db(
     search_term: Option<&str>,
 ) -> Option<codex_state::ThreadsPage> {
     let ctx = context?;
-    if ctx.codex_home() != codex_home {
+    if ctx.sqlite() != sqlite {
         warn!(
-            "state db codex_home mismatch: expected {}, got {}",
-            ctx.codex_home().display(),
-            codex_home.display()
+            "state db SQLite home mismatch: expected {}, got {}",
+            sqlite.home().display(),
+            ctx.sqlite().home().display()
         );
+        return None;
     }
 
     let anchor = cursor_to_anchor(cursor);
diff --git a/codex-rs/rollout/src/state_db_tests.rs b/codex-rs/rollout/src/state_db_tests.rs
index 5cc22fa65427..d77b68941f9d 100644
--- a/codex-rs/rollout/src/state_db_tests.rs
+++ b/codex-rs/rollout/src/state_db_tests.rs
@@ -12,6 +12,7 @@ use codex_protocol::protocol::SessionMeta;
 use codex_protocol::protocol::SessionMetaLine;
 use codex_protocol::protocol::ThreadHistoryMode;
 use codex_protocol::protocol::UserMessageEvent;
+use codex_utils_absolute_path::test_support::PathExt;
 use pretty_assertions::assert_eq;
 use std::path::Path;
 use tempfile::TempDir;
@@ -47,12 +48,59 @@ fn cursor_to_anchor_preserves_recency_tie_breaker() {
     );
 }
 
+/// A runtime for another SQLite home must not be queried or clean up rows when
+/// a caller supplies a mismatched configuration.
+#[tokio::test]
+async fn list_threads_db_rejects_mismatched_sqlite_config_without_cleanup() -> anyhow::Result<()> {
+    let root = TempDir::new().expect("temp dir");
+    let runtime_sqlite = codex_state::SqliteConfig::new_for_testing(
+        root.path().join("runtime-sqlite").as_path().abs(),
+    );
+    let requested_sqlite = codex_state::SqliteConfig::new_for_testing(
+        root.path().join("requested-sqlite").as_path().abs(),
+    );
+    let runtime =
+        codex_state::StateRuntime::init(runtime_sqlite, "test-provider".to_string()).await?;
+    let thread_id = ThreadId::new();
+    let metadata = ThreadMetadataBuilder::new(
+        thread_id,
+        root.path().join("missing-rollout.jsonl"),
+        Utc::now(),
+        SessionSource::Cli,
+    )
+    .build("test-provider");
+    runtime.upsert_thread(&metadata).await?;
+
+    let page = list_threads_db(
+        Some(runtime.as_ref()),
+        &requested_sqlite,
+        /*page_size*/ 10,
+        /*cursor*/ None,
+        ThreadSortKey::CreatedAt,
+        SortDirection::Desc,
+        &[],
+        /*model_providers*/ None,
+        /*cwd_filters*/ None,
+        /*relation_filter*/ None,
+        /*archived*/ false,
+        /*is_pinned*/ None,
+        /*search_term*/ None,
+    )
+    .await;
+
+    assert!(page.is_none());
+    assert_eq!(runtime.get_thread(thread_id).await?, Some(metadata));
+    Ok(())
+}
+
 #[tokio::test]
 async fn try_init_waits_for_concurrent_startup_backfill() -> anyhow::Result<()> {
     let home = TempDir::new().expect("temp dir");
-    let runtime =
-        codex_state::StateRuntime::init(home.path().to_path_buf(), "test-provider".to_string())
-            .await?;
+    let runtime = codex_state::StateRuntime::init(
+        codex_state::SqliteConfig::new_for_testing(home.path().abs()),
+        "test-provider".to_string(),
+    )
+    .await?;
     let claimed = runtime.try_claim_backfill(/*lease_seconds*/ 60).await?;
     assert!(claimed);
     let runtime_for_completion = runtime.clone();
@@ -65,7 +113,7 @@ async fn try_init_waits_for_concurrent_startup_backfill() -> anyhow::Result<()>
 
     let initialized = try_init_with_roots_and_backfill_lease(
         home.path().to_path_buf(),
-        home.path().to_path_buf(),
+        codex_state::SqliteConfig::new_for_testing(home.path().abs()),
         "test-provider".to_string(),
         /*backfill_lease_seconds*/ 60,
     )
@@ -82,15 +130,17 @@ async fn try_init_waits_for_concurrent_startup_backfill() -> anyhow::Result<()>
 #[tokio::test]
 async fn try_init_times_out_waiting_for_stuck_startup_backfill() -> anyhow::Result<()> {
     let home = TempDir::new().expect("temp dir");
-    let runtime =
-        codex_state::StateRuntime::init(home.path().to_path_buf(), "test-provider".to_string())
-            .await?;
+    let runtime = codex_state::StateRuntime::init(
+        codex_state::SqliteConfig::new_for_testing(home.path().abs()),
+        "test-provider".to_string(),
+    )
+    .await?;
     let claimed = runtime.try_claim_backfill(/*lease_seconds*/ 60).await?;
     assert!(claimed);
 
     let result = try_init_with_roots_and_backfill_lease(
         home.path().to_path_buf(),
-        home.path().to_path_buf(),
+        codex_state::SqliteConfig::new_for_testing(home.path().abs()),
         "test-provider".to_string(),
         /*backfill_lease_seconds*/ 60,
     )
@@ -114,9 +164,11 @@ async fn reconcile_rollout_preserves_existing_explicit_title() -> anyhow::Result
     let thread_id = ThreadId::new();
     let rollout_path =
         write_rollout_with_user_message(home.path(), thread_id, "Hey", ThreadHistoryMode::Legacy)?;
-    let runtime =
-        codex_state::StateRuntime::init(home.path().to_path_buf(), "test-provider".to_string())
-            .await?;
+    let runtime = codex_state::StateRuntime::init(
+        codex_state::SqliteConfig::new_for_testing(home.path().abs()),
+        "test-provider".to_string(),
+    )
+    .await?;
 
     let mut metadata =
         metadata::extract_metadata_from_rollout(rollout_path.as_path(), "test-provider")
@@ -157,9 +209,11 @@ async fn reconcile_rollout_preserves_existing_paginated_memory_mode() -> anyhow:
         "Hey",
         ThreadHistoryMode::Paginated,
     )?;
-    let runtime =
-        codex_state::StateRuntime::init(home.path().to_path_buf(), "test-provider".to_string())
-            .await?;
+    let runtime = codex_state::StateRuntime::init(
+        codex_state::SqliteConfig::new_for_testing(home.path().abs()),
+        "test-provider".to_string(),
+    )
+    .await?;
 
     reconcile_rollout(
         Some(runtime.as_ref()),
diff --git a/codex-rs/rollout/src/tests.rs b/codex-rs/rollout/src/tests.rs
index e504b716428c..e962da0eccd3 100644
--- a/codex-rs/rollout/src/tests.rs
+++ b/codex-rs/rollout/src/tests.rs
@@ -1,6 +1,7 @@
 #![allow(warnings, clippy::all)]
 #![allow(clippy::unwrap_used, clippy::expect_used)]
 
+use codex_utils_absolute_path::test_support::PathExt;
 use std::ffi::OsStr;
 use std::fs;
 use std::fs::File;
@@ -62,9 +63,12 @@ async fn insert_state_db_thread(
     rollout_path: &Path,
     archived: bool,
 ) -> crate::state_db::StateDbHandle {
-    let runtime = codex_state::StateRuntime::init(home.to_path_buf(), TEST_PROVIDER.to_string())
-        .await
-        .expect("state db should initialize");
+    let runtime = codex_state::StateRuntime::init(
+        codex_state::SqliteConfig::new_for_testing(home.abs()),
+        TEST_PROVIDER.to_string(),
+    )
+    .await
+    .expect("state db should initialize");
     runtime
         .mark_backfill_complete(/*last_watermark*/ None)
         .await
@@ -227,9 +231,12 @@ async fn find_thread_path_repairs_missing_db_row_after_filesystem_fallback() {
     let fs_rollout_path = home.join(format!("sessions/2025/01/03/rollout-{ts}-{uuid}.jsonl"));
 
     // Create an empty state DB so lookup takes the DB-first path and then falls back to files.
-    let runtime = codex_state::StateRuntime::init(home.to_path_buf(), TEST_PROVIDER.to_string())
-        .await
-        .expect("state db should initialize");
+    let runtime = codex_state::StateRuntime::init(
+        codex_state::SqliteConfig::new_for_testing(home.abs()),
+        TEST_PROVIDER.to_string(),
+    )
+    .await
+    .expect("state db should initialize");
     runtime
         .mark_backfill_complete(/*last_watermark*/ None)
         .await
@@ -280,9 +287,12 @@ async fn assert_state_db_rollout_path(
     thread_id: ThreadId,
     expected_path: Option<&Path>,
 ) {
-    let runtime = codex_state::StateRuntime::init(home.to_path_buf(), TEST_PROVIDER.to_string())
-        .await
-        .expect("state db should initialize");
+    let runtime = codex_state::StateRuntime::init(
+        codex_state::SqliteConfig::new_for_testing(home.abs()),
+        TEST_PROVIDER.to_string(),
+    )
+    .await
+    .expect("state db should initialize");
     let path = runtime
         .find_rollout_path_by_id(thread_id, Some(false))
         .await
diff --git a/codex-rs/state/src/audit.rs b/codex-rs/state/src/audit.rs
index eedde2b7b260..6772b916e7ea 100644
--- a/codex-rs/state/src/audit.rs
+++ b/codex-rs/state/src/audit.rs
@@ -1,11 +1,11 @@
 //! Read-only state database queries for diagnostics.
 
 use anyhow::Result;
-use codex_utils_absolute_path::AbsolutePathBuf;
 use sqlx::Row;
-use std::path::Path;
 use std::path::PathBuf;
 
+use crate::SqliteConfig;
+
 /// Minimal thread metadata used by read-only state database audits.
 #[derive(Debug, Clone, PartialEq, Eq)]
 pub struct ThreadStateAuditRow {
@@ -17,11 +17,10 @@ pub struct ThreadStateAuditRow {
 }
 
 /// Read persisted thread rows from a state DB without creating, migrating, or repairing it.
-pub async fn read_thread_state_audit_rows(path: &Path) -> Result<Vec<ThreadStateAuditRow>> {
-    let sqlite = crate::SqliteConfig::from_sqlite_home(AbsolutePathBuf::try_from(
-        path.parent().unwrap_or(path),
-    )?);
-    let pool = sqlite.open_read_only_pool(path).await?;
+pub async fn read_thread_state_audit_rows(
+    sqlite: &SqliteConfig,
+) -> Result<Vec<ThreadStateAuditRow>> {
+    let pool = sqlite.open_read_only_pool(&sqlite.state_db_path()).await?;
     let rows = sqlx::query(
         r#"
 SELECT id, rollout_path, archived, source, model_provider
diff --git a/codex-rs/state/src/bin/logs_client.rs b/codex-rs/state/src/bin/logs_client.rs
index 8002226da1a6..9a3c8fa099b1 100644
--- a/codex-rs/state/src/bin/logs_client.rs
+++ b/codex-rs/state/src/bin/logs_client.rs
@@ -113,7 +113,11 @@ async fn main() -> anyhow::Result<()> {
         .parent()
         .map(ToOwned::to_owned)
         .unwrap_or_else(|| PathBuf::from("."));
-    let runtime = StateRuntime::init(codex_home, "logs-client".to_string()).await?;
+    let runtime = StateRuntime::init(
+        SqliteConfig::from_sqlite_home(AbsolutePathBuf::relative_to_current_dir(codex_home)?),
+        "logs-client".to_string(),
+    )
+    .await?;
 
     let mut last_id =
         print_backfill(runtime.as_ref(), &filter, args.backfill, args.compact).await?;
diff --git a/codex-rs/state/src/log_db.rs b/codex-rs/state/src/log_db.rs
index b62e8a43e07e..d02feb24f149 100644
--- a/codex-rs/state/src/log_db.rs
+++ b/codex-rs/state/src/log_db.rs
@@ -493,6 +493,7 @@ mod tests {
     use std::sync::Arc;
     use std::sync::Mutex;
 
+    use codex_utils_absolute_path::test_support::PathExt;
     use pretty_assertions::assert_eq;
     use tracing_subscriber::filter::Targets;
     use tracing_subscriber::fmt::writer::MakeWriter;
@@ -583,9 +584,12 @@ mod tests {
     #[tokio::test]
     async fn sqlite_feedback_logs_match_feedback_formatter_shape() {
         let codex_home = temp_codex_home();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
         let writer = SharedWriter::default();
         let layer = start(runtime.clone());
 
@@ -641,9 +645,12 @@ mod tests {
     #[tokio::test]
     async fn flush_persists_logs_for_query() {
         let codex_home = temp_codex_home();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
         let layer = start(runtime.clone());
 
         let guard = tracing_subscriber::registry()
@@ -672,9 +679,12 @@ mod tests {
     #[tokio::test]
     async fn configured_batch_size_flushes_without_explicit_flush() {
         let codex_home = temp_codex_home();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
         let layer = LogDbLayer::start_with_config(
             runtime.clone(),
             LogSinkQueueConfig {
@@ -721,9 +731,12 @@ mod tests {
     #[tokio::test]
     async fn configured_flush_interval_persists_buffered_logs() {
         let codex_home = temp_codex_home();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
         let layer = LogDbLayer::start_with_config(
             runtime.clone(),
             LogSinkQueueConfig {
diff --git a/codex-rs/state/src/log_db_filter_tests.rs b/codex-rs/state/src/log_db_filter_tests.rs
index 6c6380d33472..cd44993d2cf4 100644
--- a/codex-rs/state/src/log_db_filter_tests.rs
+++ b/codex-rs/state/src/log_db_filter_tests.rs
@@ -1,3 +1,4 @@
+use codex_utils_absolute_path::test_support::PathExt;
 use pretty_assertions::assert_eq;
 use tracing_subscriber::layer::SubscriberExt;
 use tracing_subscriber::util::SubscriberInitExt;
@@ -9,9 +10,12 @@ use super::*;
 async fn sqlite_sink_drops_low_level_opentelemetry_sdk_logs() {
     let codex_home =
         std::env::temp_dir().join(format!("codex-state-log-db-filter-{}", Uuid::new_v4()));
-    let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-        .await
-        .expect("initialize runtime");
+    let runtime = StateRuntime::init(
+        crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+        "test-provider".to_string(),
+    )
+    .await
+    .expect("initialize runtime");
     let layer = start(runtime.clone());
 
     let guard = tracing_subscriber::registry()
diff --git a/codex-rs/state/src/runtime.rs b/codex-rs/state/src/runtime.rs
index c247b93be143..79f8e96f2153 100644
--- a/codex-rs/state/src/runtime.rs
+++ b/codex-rs/state/src/runtime.rs
@@ -24,7 +24,6 @@ use chrono::DateTime;
 use chrono::Utc;
 use codex_protocol::ThreadId;
 use codex_protocol::protocol::RolloutItem;
-use codex_utils_absolute_path::AbsolutePathBuf;
 use serde_json::Value;
 use sqlx::QueryBuilder;
 use sqlx::Row;
@@ -80,7 +79,7 @@ const LOG_PARTITION_ROW_LIMIT: i64 = 1_000;
 
 #[derive(Clone)]
 pub struct StateRuntime {
-    codex_home: PathBuf,
+    sqlite: SqliteConfig,
     default_provider: String,
     pool: Arc<sqlx::SqlitePool>,
     logs_pool: Arc<sqlx::SqlitePool>,
@@ -91,36 +90,31 @@ pub struct StateRuntime {
 }
 
 impl StateRuntime {
-    /// Initialize the state runtime using the provided Codex home and default provider.
+    /// Initialize the state runtime using the provided SQLite configuration and default provider.
     ///
-    /// This opens (and migrates) the SQLite databases under `codex_home`.
+    /// This opens (and migrates) the SQLite databases under the configured
+    /// `sqlite_home`.
     /// Logs and paginated thread history live in dedicated files to reduce
     /// lock contention with the rest of the state store.
-    pub async fn init(codex_home: PathBuf, default_provider: String) -> anyhow::Result<Arc<Self>> {
-        Self::init_inner(
-            codex_home,
-            default_provider,
-            /*telemetry_override*/ None,
-        )
-        .await
+    pub async fn init(sqlite: SqliteConfig, default_provider: String) -> anyhow::Result<Arc<Self>> {
+        Self::init_inner(sqlite, default_provider, /*telemetry_override*/ None).await
     }
 
     #[cfg(test)]
     pub(crate) async fn init_with_telemetry_for_tests(
-        codex_home: PathBuf,
+        sqlite: SqliteConfig,
         default_provider: String,
         telemetry_override: &dyn DbTelemetry,
     ) -> anyhow::Result<Arc<Self>> {
-        Self::init_inner(codex_home, default_provider, Some(telemetry_override)).await
+        Self::init_inner(sqlite, default_provider, Some(telemetry_override)).await
     }
 
     async fn init_inner(
-        codex_home: PathBuf,
+        sqlite: SqliteConfig,
         default_provider: String,
         telemetry_override: Option<&dyn DbTelemetry>,
     ) -> anyhow::Result<Arc<Self>> {
-        let sqlite = SqliteConfig::from_sqlite_home(AbsolutePathBuf::try_from(codex_home.clone())?);
-        tokio::fs::create_dir_all(&codex_home).await?;
+        tokio::fs::create_dir_all(sqlite.home()).await?;
         let state_migrator = runtime_state_migrator();
         let logs_migrator = runtime_logs_migrator();
         let goals_migrator = runtime_goals_migrator();
@@ -230,7 +224,7 @@ impl StateRuntime {
             memories: MemoryStore::new(Arc::clone(&memories_pool), Arc::clone(&pool)),
             pool,
             logs_pool,
-            codex_home,
+            sqlite,
             default_provider,
             thread_updated_at_millis: Arc::new(AtomicI64::new(thread_updated_at_millis)),
             thread_recency_at_millis: Arc::new(AtomicI64::new(thread_recency_at_millis)),
@@ -244,9 +238,9 @@ impl StateRuntime {
         Ok(runtime)
     }
 
-    /// Return the configured Codex home directory for this runtime.
-    pub fn codex_home(&self) -> &Path {
-        self.codex_home.as_path()
+    /// Return the SQLite configuration for this runtime.
+    pub fn sqlite(&self) -> &SqliteConfig {
+        &self.sqlite
     }
 
     pub fn thread_goals(&self) -> &GoalStore {
@@ -265,8 +259,7 @@ impl StateRuntime {
         self.pool.close().await;
     }
 
-    pub async fn clear_memory_data_in_sqlite_home(sqlite_home: &Path) -> anyhow::Result<bool> {
-        let sqlite = SqliteConfig::from_sqlite_home(AbsolutePathBuf::try_from(sqlite_home)?);
+    pub async fn clear_memory_data_in_sqlite_home(sqlite: &SqliteConfig) -> anyhow::Result<bool> {
         let memories_path = sqlite.memories_db_path();
         if !tokio::fs::try_exists(&memories_path).await? {
             return Ok(false);
@@ -289,8 +282,7 @@ async fn close_sqlite_pools(pools: &[&SqlitePool]) {
 }
 
 /// Open and migrate the rebuildable paginated thread-history database.
-pub async fn open_thread_history_db(sqlite_home: &Path) -> anyhow::Result<SqlitePool> {
-    let sqlite = SqliteConfig::from_sqlite_home(AbsolutePathBuf::try_from(sqlite_home)?);
+pub async fn open_thread_history_db(sqlite: &SqliteConfig) -> anyhow::Result<SqlitePool> {
     let migrator = runtime_thread_history_migrator();
     sqlite
         .open_thread_history_db(&migrator, /*telemetry_override*/ None)
@@ -326,9 +318,10 @@ ON CONFLICT(id) DO NOTHING
 }
 
 /// Run SQLite's built-in integrity check against an existing database file.
-pub async fn sqlite_integrity_check(path: &Path) -> anyhow::Result<Vec<String>> {
-    let sqlite =
-        SqliteConfig::from_sqlite_home(AbsolutePathBuf::try_from(path.parent().unwrap_or(path))?);
+pub async fn sqlite_integrity_check(
+    sqlite: &SqliteConfig,
+    path: &Path,
+) -> anyhow::Result<Vec<String>> {
     let pool = sqlite.open_read_only_pool(path).await?;
     let rows = sqlx::query_scalar::<_, String>("PRAGMA integrity_check")
         .fetch_all(&pool)
@@ -431,7 +424,7 @@ mod tests {
             .expect("create sample table");
         pool.close().await;
 
-        let result = sqlite_integrity_check(&path)
+        let result = sqlite_integrity_check(&sqlite, &path)
             .await
             .expect("integrity check should run");
 
@@ -477,7 +470,7 @@ mod tests {
         strict_pool.close().await;
 
         let tolerant_migrator = runtime_state_migrator();
-        let tolerant_pool = crate::SqliteConfig::new_for_testing(codex_home.as_path().abs())
+        let tolerant_pool = sqlite
             .open_state_db(&tolerant_migrator, /*telemetry_override*/ None)
             .await
             .expect("runtime migrator should tolerate newer applied migrations");
@@ -492,7 +485,7 @@ mod tests {
         let telemetry = TestTelemetry::default();
 
         let runtime = StateRuntime::init_with_telemetry_for_tests(
-            codex_home.clone(),
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
             "test-provider".to_string(),
             &telemetry,
         )
diff --git a/codex-rs/state/src/runtime/backfill.rs b/codex-rs/state/src/runtime/backfill.rs
index 1a0074e52b8a..1acbf0127434 100644
--- a/codex-rs/state/src/runtime/backfill.rs
+++ b/codex-rs/state/src/runtime/backfill.rs
@@ -119,9 +119,12 @@ mod tests {
     #[tokio::test]
     async fn backfill_state_persists_progress_and_completion() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let initial = runtime
             .get_backfill_state()
@@ -172,10 +175,10 @@ mod tests {
     #[tokio::test]
     async fn get_backfill_state_succeeds_while_another_connection_holds_writer_slot() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
+        let sqlite = crate::SqliteConfig::new_for_testing(codex_home.as_path().abs());
+        let runtime = StateRuntime::init(sqlite.clone(), "test-provider".to_string())
             .await
             .expect("initialize runtime");
-        let sqlite = crate::SqliteConfig::new_for_testing(codex_home.as_path().abs());
         let write_pool = sqlite
             .open_read_write_pool(&sqlite.state_db_path())
             .await
@@ -202,9 +205,12 @@ mod tests {
     #[tokio::test]
     async fn get_backfill_state_repairs_a_missing_singleton_row() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
         sqlx::query("DELETE FROM backfill_state WHERE id = 1")
             .execute(runtime.pool.as_ref())
             .await
@@ -228,9 +234,12 @@ mod tests {
     #[tokio::test]
     async fn backfill_claim_is_singleton_until_stale_and_blocked_when_complete() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let claimed = runtime
             .try_claim_backfill(/*lease_seconds*/ 3600)
diff --git a/codex-rs/state/src/runtime/external_agent_config_imports_tests.rs b/codex-rs/state/src/runtime/external_agent_config_imports_tests.rs
index 9680744599a5..a3040ba6515c 100644
--- a/codex-rs/state/src/runtime/external_agent_config_imports_tests.rs
+++ b/codex-rs/state/src/runtime/external_agent_config_imports_tests.rs
@@ -1,10 +1,15 @@
 use super::*;
 use crate::runtime::test_support::unique_temp_dir;
+use codex_utils_absolute_path::test_support::PathExt;
 use pretty_assertions::assert_eq;
 
 #[tokio::test]
 async fn records_completion_by_import_id() -> anyhow::Result<()> {
-    let runtime = StateRuntime::init(unique_temp_dir(), "test-provider".to_string()).await?;
+    let runtime = StateRuntime::init(
+        crate::SqliteConfig::new_for_testing(unique_temp_dir().as_path().abs()),
+        "test-provider".to_string(),
+    )
+    .await?;
 
     runtime
         .record_external_agent_config_import_completed(
@@ -127,7 +132,11 @@ async fn records_completion_by_import_id() -> anyhow::Result<()> {
 
 #[tokio::test]
 async fn reads_all_history_records() -> anyhow::Result<()> {
-    let runtime = StateRuntime::init(unique_temp_dir(), "test-provider".to_string()).await?;
+    let runtime = StateRuntime::init(
+        crate::SqliteConfig::new_for_testing(unique_temp_dir().as_path().abs()),
+        "test-provider".to_string(),
+    )
+    .await?;
 
     runtime
         .record_external_agent_config_import_completed(
diff --git a/codex-rs/state/src/runtime/goals.rs b/codex-rs/state/src/runtime/goals.rs
index 197327a76be5..ed616e16b7c8 100644
--- a/codex-rs/state/src/runtime/goals.rs
+++ b/codex-rs/state/src/runtime/goals.rs
@@ -634,12 +634,16 @@ mod tests {
     use super::*;
     use crate::runtime::test_support::test_thread_metadata;
     use crate::runtime::test_support::unique_temp_dir;
+    use codex_utils_absolute_path::test_support::PathExt;
     use pretty_assertions::assert_eq;
 
     async fn test_runtime() -> std::sync::Arc<StateRuntime> {
-        StateRuntime::init(unique_temp_dir(), "test-provider".to_string())
-            .await
-            .expect("state db should initialize")
+        StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(unique_temp_dir().as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("state db should initialize")
     }
 
     fn test_thread_id() -> ThreadId {
@@ -647,11 +651,8 @@ mod tests {
     }
 
     async fn upsert_test_thread(runtime: &StateRuntime, thread_id: ThreadId) {
-        let metadata = test_thread_metadata(
-            runtime.codex_home(),
-            thread_id,
-            runtime.codex_home().join("workspace"),
-        );
+        let sqlite_home = runtime.sqlite().home();
+        let metadata = test_thread_metadata(sqlite_home, thread_id, sqlite_home.join("workspace"));
         runtime
             .upsert_thread(&metadata)
             .await
diff --git a/codex-rs/state/src/runtime/logs.rs b/codex-rs/state/src/runtime/logs.rs
index 29a4efe7a0a2..d905d9cfdb9b 100644
--- a/codex-rs/state/src/runtime/logs.rs
+++ b/codex-rs/state/src/runtime/logs.rs
@@ -574,9 +574,12 @@ mod tests {
     #[tokio::test]
     async fn insert_logs_use_dedicated_log_database() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         runtime
             .insert_logs(&[LogEntry {
@@ -648,9 +651,12 @@ mod tests {
         pool.close().await;
         drop(pool);
 
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let rows = runtime
             .query_logs(&LogQuery::default())
@@ -704,9 +710,12 @@ mod tests {
     #[tokio::test]
     async fn init_configures_logs_db_with_incremental_auto_vacuum() {
         let codex_home = unique_temp_dir();
-        let _runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let _runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let logs_path =
             crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()).logs_db_path();
@@ -750,9 +759,12 @@ mod tests {
     #[tokio::test]
     async fn query_logs_with_search_matches_rendered_body_substring() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         runtime
             .insert_logs(&[
@@ -803,9 +815,12 @@ mod tests {
     #[tokio::test]
     async fn query_logs_filters_level_set_without_rewriting_stored_level() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         runtime
             .insert_logs(&[
@@ -888,9 +903,12 @@ mod tests {
     #[tokio::test]
     async fn insert_logs_prunes_old_rows_when_thread_exceeds_size_limit() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let six_mebibytes = "a".repeat(6 * 1024 * 1024);
         runtime
@@ -942,9 +960,12 @@ mod tests {
     #[tokio::test]
     async fn insert_logs_prunes_single_thread_row_when_it_exceeds_size_limit() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let eleven_mebibytes = "d".repeat(11 * 1024 * 1024);
         runtime
@@ -980,9 +1001,12 @@ mod tests {
     #[tokio::test]
     async fn insert_logs_prunes_threadless_rows_per_process_uuid_only() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let six_mebibytes = "b".repeat(6 * 1024 * 1024);
         runtime
@@ -1049,9 +1073,12 @@ mod tests {
     #[tokio::test]
     async fn insert_logs_prunes_single_threadless_process_row_when_it_exceeds_size_limit() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let eleven_mebibytes = "e".repeat(11 * 1024 * 1024);
         runtime
@@ -1087,9 +1114,12 @@ mod tests {
     #[tokio::test]
     async fn insert_logs_prunes_threadless_rows_with_null_process_uuid() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let six_mebibytes = "c".repeat(6 * 1024 * 1024);
         runtime
@@ -1155,9 +1185,12 @@ mod tests {
     #[tokio::test]
     async fn insert_logs_prunes_single_threadless_null_process_row_when_it_exceeds_limit() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let eleven_mebibytes = "f".repeat(11 * 1024 * 1024);
         runtime
@@ -1193,9 +1226,12 @@ mod tests {
     #[tokio::test]
     async fn insert_logs_prunes_old_rows_when_thread_exceeds_row_limit() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let entries: Vec<LogEntry> = (1..=1_001)
             .map(|ts| LogEntry {
@@ -1236,9 +1272,12 @@ mod tests {
     #[tokio::test]
     async fn insert_logs_prunes_old_threadless_rows_when_process_exceeds_row_limit() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let entries: Vec<LogEntry> = (1..=1_001)
             .map(|ts| LogEntry {
@@ -1283,9 +1322,12 @@ mod tests {
     #[tokio::test]
     async fn insert_logs_prunes_old_threadless_null_process_rows_when_row_limit_exceeded() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let entries: Vec<LogEntry> = (1..=1_001)
             .map(|ts| LogEntry {
@@ -1330,9 +1372,12 @@ mod tests {
     #[tokio::test]
     async fn query_feedback_logs_returns_newest_lines_within_limit_in_order() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         runtime
             .insert_logs(&[
@@ -1400,9 +1445,12 @@ mod tests {
     #[tokio::test]
     async fn query_feedback_logs_excludes_oversized_newest_row() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
         let eleven_mebibytes = "z".repeat(11 * 1024 * 1024);
 
         runtime
@@ -1450,9 +1498,12 @@ mod tests {
     #[tokio::test]
     async fn query_feedback_logs_includes_threadless_rows_from_same_process() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         runtime
             .insert_logs(&[
@@ -1548,9 +1599,12 @@ mod tests {
     #[tokio::test]
     async fn query_feedback_logs_excludes_threadless_rows_from_prior_processes() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         runtime
             .insert_logs(&[
@@ -1646,9 +1700,12 @@ mod tests {
     #[tokio::test]
     async fn query_feedback_logs_keeps_newest_suffix_across_thread_and_threadless_logs() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
         let thread_marker = "thread-scoped-oldest";
         let threadless_older_marker = "threadless-older";
         let threadless_newer_marker = "threadless-newer";
@@ -1721,9 +1778,12 @@ mod tests {
     #[tokio::test]
     async fn query_feedback_logs_for_threads_merges_requested_threads_and_threadless_rows() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         runtime
             .insert_logs(&[
@@ -1841,9 +1901,12 @@ mod tests {
     #[tokio::test]
     async fn query_feedback_logs_for_threads_returns_empty_for_empty_thread_list() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let bytes = runtime
             .query_feedback_logs_for_threads(&[])
diff --git a/codex-rs/state/src/runtime/memories.rs b/codex-rs/state/src/runtime/memories.rs
index 39fb560ab186..c620dcd61752 100644
--- a/codex-rs/state/src/runtime/memories.rs
+++ b/codex-rs/state/src/runtime/memories.rs
@@ -1681,6 +1681,7 @@ mod tests {
     use chrono::Utc;
     use codex_protocol::ThreadId;
     use codex_protocol::protocol::ThreadHistoryMode;
+    use codex_utils_absolute_path::test_support::PathExt;
     use pretty_assertions::assert_eq;
     use sqlx::Row;
     use std::sync::Arc;
@@ -1707,9 +1708,12 @@ mod tests {
     #[tokio::test]
     async fn stage1_claim_skips_when_up_to_date() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let thread_id = ThreadId::from_string(&Uuid::new_v4().to_string()).expect("thread id");
         let metadata = test_thread_metadata(&codex_home, thread_id, codex_home.join("a"));
@@ -1775,9 +1779,12 @@ mod tests {
     #[tokio::test]
     async fn stage1_running_stale_can_be_stolen_but_fresh_running_is_skipped() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let thread_id = ThreadId::from_string(&Uuid::new_v4().to_string()).expect("thread id");
         let owner_a = ThreadId::from_string(&Uuid::new_v4().to_string()).expect("owner id");
@@ -1830,9 +1837,12 @@ mod tests {
     #[tokio::test]
     async fn stage1_concurrent_claim_for_same_thread_is_conflict_safe() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let thread_id = ThreadId::from_string(&Uuid::new_v4().to_string()).expect("thread id");
         runtime
@@ -1898,9 +1908,12 @@ mod tests {
     #[tokio::test]
     async fn stage1_concurrent_claims_respect_running_cap() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let thread_a = ThreadId::from_string(&Uuid::new_v4().to_string()).expect("thread id");
         let thread_b = ThreadId::from_string(&Uuid::new_v4().to_string()).expect("thread id");
@@ -1966,9 +1979,12 @@ mod tests {
     #[tokio::test]
     async fn claim_stage1_jobs_filters_by_age_idle_and_current_thread() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let now = Utc::now();
         let fresh_at = now - Duration::hours(1);
@@ -2056,9 +2072,12 @@ mod tests {
     #[tokio::test]
     async fn claim_stage1_jobs_bounds_state_scan_before_memory_probes() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let now = Utc::now();
         let eligible_newer_at = now - Duration::hours(13);
@@ -2171,9 +2190,12 @@ mod tests {
     #[tokio::test]
     async fn claim_stage1_jobs_skips_threads_without_enabled_memory() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let now = Utc::now();
         let eligible_at = now - Duration::hours(13);
@@ -2267,9 +2289,12 @@ mod tests {
     #[tokio::test]
     async fn clear_memory_data_clears_rows_and_preserves_thread_memory_modes() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let now = Utc::now() - Duration::hours(13);
         let worker_id = ThreadId::from_string(&Uuid::new_v4().to_string()).expect("worker id");
@@ -2376,9 +2401,12 @@ mod tests {
     #[tokio::test]
     async fn claim_stage1_jobs_enforces_global_running_cap() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let current_thread_id =
             ThreadId::from_string(&Uuid::new_v4().to_string()).expect("current thread id");
@@ -2503,9 +2531,12 @@ WHERE kind = 'memory_stage1'
     #[tokio::test]
     async fn claim_stage1_jobs_processes_two_full_batches_across_startup_passes() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let current_thread_id =
             ThreadId::from_string(&Uuid::new_v4().to_string()).expect("current thread id");
@@ -2590,9 +2621,12 @@ WHERE kind = 'memory_stage1'
     #[tokio::test]
     async fn delete_thread_removes_stage1_output_and_enqueues_phase2_when_selected() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let thread_id = ThreadId::from_string(&Uuid::new_v4().to_string()).expect("thread id");
         let owner = ThreadId::from_string(&Uuid::new_v4().to_string()).expect("owner id");
@@ -2715,9 +2749,12 @@ WHERE kind = ? AND job_key = ?
     #[tokio::test]
     async fn mark_stage1_job_succeeded_no_output_skips_phase2_when_output_was_already_absent() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let thread_id = ThreadId::from_string(&Uuid::new_v4().to_string()).expect("thread id");
         let owner = ThreadId::from_string(&Uuid::new_v4().to_string()).expect("owner id");
@@ -2790,9 +2827,12 @@ WHERE kind = ? AND job_key = ?
     #[tokio::test]
     async fn mark_stage1_job_succeeded_no_output_enqueues_phase2_when_deleting_output() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let thread_id = ThreadId::from_string(&Uuid::new_v4().to_string()).expect("thread id");
         let owner = ThreadId::from_string(&Uuid::new_v4().to_string()).expect("owner id");
@@ -2915,9 +2955,12 @@ WHERE kind = ? AND job_key = ?
     #[tokio::test]
     async fn stage1_retry_exhaustion_does_not_block_newer_watermark() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let thread_id = ThreadId::from_string(&Uuid::new_v4().to_string()).expect("thread id");
         let owner = ThreadId::from_string(&Uuid::new_v4().to_string()).expect("owner id");
@@ -3011,9 +3054,12 @@ WHERE kind = ? AND job_key = ?
     #[tokio::test]
     async fn phase2_global_lock_respects_success_cooldown() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let owner = ThreadId::from_string(&Uuid::new_v4().to_string()).expect("owner id");
 
@@ -3073,9 +3119,12 @@ WHERE kind = ? AND job_key = ?
     #[tokio::test]
     async fn phase2_global_lock_can_be_claimed_after_retry_budget_is_exhausted() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         runtime
             .enqueue_global_consolidation(/*input_watermark*/ 100)
@@ -3143,9 +3192,12 @@ WHERE kind = ? AND job_key = ?
     #[tokio::test]
     async fn list_stage1_outputs_for_global_returns_latest_outputs() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let thread_id_a = ThreadId::from_string(&Uuid::new_v4().to_string()).expect("thread id");
         let thread_id_b = ThreadId::from_string(&Uuid::new_v4().to_string()).expect("thread id");
@@ -3246,9 +3298,12 @@ WHERE kind = ? AND job_key = ?
     #[tokio::test]
     async fn list_stage1_outputs_for_global_skips_empty_payloads() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let thread_id_non_empty =
             ThreadId::from_string(&Uuid::new_v4().to_string()).expect("thread id");
@@ -3315,9 +3370,12 @@ VALUES (?, ?, ?, ?, ?)
     #[tokio::test]
     async fn list_stage1_outputs_for_global_includes_paginated_and_skips_polluted_threads() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let thread_id_enabled =
             ThreadId::from_string(&Uuid::new_v4().to_string()).expect("thread id");
@@ -3382,9 +3440,12 @@ VALUES (?, ?, ?, ?, ?)
     #[tokio::test]
     async fn get_phase2_input_selection_returns_current_selected_rows() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let thread_id_a = stable_thread_id("00000000-0000-4000-8000-000000000001");
         let thread_id_b = stable_thread_id("00000000-0000-4000-8000-000000000002");
@@ -3497,9 +3558,12 @@ VALUES (?, ?, ?, ?, ?)
     #[tokio::test]
     async fn get_phase2_input_selection_excludes_polluted_previous_selection() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let thread_id_enabled =
             ThreadId::from_string(&Uuid::new_v4().to_string()).expect("thread id");
@@ -3590,9 +3654,12 @@ VALUES (?, ?, ?, ?, ?)
     #[tokio::test]
     async fn mark_thread_memory_mode_polluted_enqueues_phase2_for_selected_threads() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let thread_id = ThreadId::from_string(&Uuid::new_v4().to_string()).expect("thread id");
         let owner = ThreadId::from_string(&Uuid::new_v4().to_string()).expect("owner id");
@@ -3679,9 +3746,12 @@ VALUES (?, ?, ?, ?, ?)
     #[tokio::test]
     async fn mark_thread_memory_mode_polluted_enqueues_phase2_when_already_polluted() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let thread_id = ThreadId::from_string(&Uuid::new_v4().to_string()).expect("thread id");
         let owner = ThreadId::from_string(&Uuid::new_v4().to_string()).expect("owner id");
@@ -3774,9 +3844,12 @@ VALUES (?, ?, ?, ?, ?)
     #[tokio::test]
     async fn get_phase2_input_selection_returns_regenerated_selected_rows() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let thread_id = ThreadId::from_string(&Uuid::new_v4().to_string()).expect("thread id");
         let owner = ThreadId::from_string(&Uuid::new_v4().to_string()).expect("owner id");
@@ -3893,9 +3966,12 @@ VALUES (?, ?, ?, ?, ?)
     #[tokio::test]
     async fn get_phase2_input_selection_uses_current_ranking_after_refreshes() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let thread_id_a = stable_thread_id("00000000-0000-4000-8000-000000000001");
         let thread_id_b = stable_thread_id("00000000-0000-4000-8000-000000000002");
@@ -4036,9 +4112,12 @@ VALUES (?, ?, ?, ?, ?)
     #[tokio::test]
     async fn mark_global_phase2_job_succeeded_updates_selected_snapshot_timestamp() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let thread_id = ThreadId::from_string(&Uuid::new_v4().to_string()).expect("thread id");
         let owner = ThreadId::from_string(&Uuid::new_v4().to_string()).expect("owner id");
@@ -4186,9 +4265,12 @@ VALUES (?, ?, ?, ?, ?)
     #[tokio::test]
     async fn mark_global_phase2_job_succeeded_only_marks_exact_selected_snapshots() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let thread_id = ThreadId::from_string(&Uuid::new_v4().to_string()).expect("thread id");
         let owner = ThreadId::from_string(&Uuid::new_v4().to_string()).expect("owner id");
@@ -4306,9 +4388,12 @@ VALUES (?, ?, ?, ?, ?)
     #[tokio::test]
     async fn record_stage1_output_usage_updates_usage_metadata() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let thread_a = ThreadId::from_string(&Uuid::new_v4().to_string()).expect("thread id a");
         let thread_b = ThreadId::from_string(&Uuid::new_v4().to_string()).expect("thread id b");
@@ -4425,9 +4510,12 @@ VALUES (?, ?, ?, ?, ?)
     #[tokio::test]
     async fn get_phase2_input_selection_prioritizes_usage_count_then_recent_usage() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let now = Utc::now();
         let owner = ThreadId::from_string(&Uuid::new_v4().to_string()).expect("owner id");
@@ -4521,9 +4609,12 @@ VALUES (?, ?, ?, ?, ?)
     #[tokio::test]
     async fn get_phase2_input_selection_excludes_stale_used_memories_but_keeps_fresh_never_used() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let now = Utc::now();
         let owner = ThreadId::from_string(&Uuid::new_v4().to_string()).expect("owner id");
@@ -4617,9 +4708,12 @@ VALUES (?, ?, ?, ?, ?)
     #[tokio::test]
     async fn get_phase2_input_selection_prefers_recent_thread_updates_over_recent_generation() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let owner = ThreadId::from_string(&Uuid::new_v4().to_string()).expect("owner id");
         let older_thread =
@@ -4703,9 +4797,12 @@ VALUES (?, ?, ?, ?, ?)
     #[tokio::test]
     async fn prune_stage1_outputs_for_retention_prunes_stale_unselected_rows_only() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let owner = ThreadId::from_string(&Uuid::new_v4().to_string()).expect("owner id");
         let stale_unused =
@@ -4845,9 +4942,12 @@ VALUES (?, ?, ?, ?, ?)
     #[tokio::test]
     async fn prune_stage1_outputs_for_retention_respects_batch_limit() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let owner = ThreadId::from_string(&Uuid::new_v4().to_string()).expect("owner id");
         let thread_a = ThreadId::from_string(&Uuid::new_v4().to_string()).expect("thread a");
@@ -4923,9 +5023,12 @@ VALUES (?, ?, ?, ?, ?)
     #[tokio::test]
     async fn mark_stage1_job_succeeded_enqueues_global_consolidation() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let thread_a = ThreadId::from_string(&Uuid::new_v4().to_string()).expect("thread id a");
         let thread_b = ThreadId::from_string(&Uuid::new_v4().to_string()).expect("thread id b");
@@ -5018,9 +5121,12 @@ VALUES (?, ?, ?, ?, ?)
     #[tokio::test]
     async fn phase2_global_lock_allows_only_one_fresh_runner() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         runtime
             .enqueue_global_consolidation(/*input_watermark*/ 200)
@@ -5051,9 +5157,12 @@ VALUES (?, ?, ?, ?, ?)
     #[tokio::test]
     async fn phase2_global_lock_creates_missing_job_row() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         let owner_a = ThreadId::from_string(&Uuid::new_v4().to_string()).expect("owner a");
         let owner_b = ThreadId::from_string(&Uuid::new_v4().to_string()).expect("owner b");
@@ -5101,9 +5210,12 @@ VALUES (?, ?, ?, ?, ?)
     #[tokio::test]
     async fn phase2_global_lock_stale_lease_allows_takeover() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         runtime
             .enqueue_global_consolidation(/*input_watermark*/ 300)
@@ -5176,9 +5288,12 @@ VALUES (?, ?, ?, ?, ?)
     #[tokio::test]
     async fn enqueue_global_consolidation_keeps_phase2_input_watermark_monotonic() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         runtime
             .enqueue_global_consolidation(/*input_watermark*/ 500)
@@ -5240,9 +5355,12 @@ VALUES (?, ?, ?, ?, ?)
     #[tokio::test]
     async fn phase2_failure_fallback_updates_unowned_running_job() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         runtime
             .enqueue_global_consolidation(/*input_watermark*/ 400)
diff --git a/codex-rs/state/src/runtime/recovery_tests.rs b/codex-rs/state/src/runtime/recovery_tests.rs
index bb14710804f4..3861000dd381 100644
--- a/codex-rs/state/src/runtime/recovery_tests.rs
+++ b/codex-rs/state/src/runtime/recovery_tests.rs
@@ -86,7 +86,12 @@ async fn runtime_db_path_for_corruption_error_returns_failed_database_path() ->
     let path = crate::SqliteConfig::new_for_testing(sqlite_home.as_path().abs()).state_db_path();
     tokio::fs::write(path.as_path(), b"not sqlite").await?;
 
-    let err = match super::super::StateRuntime::init(sqlite_home, "openai".to_string()).await {
+    let err = match super::super::StateRuntime::init(
+        crate::SqliteConfig::new_for_testing(sqlite_home.as_path().abs()),
+        "openai".to_string(),
+    )
+    .await
+    {
         Ok(_) => panic!("malformed sqlite should fail to initialize"),
         Err(err) => err,
     };
diff --git a/codex-rs/state/src/runtime/remote_control.rs b/codex-rs/state/src/runtime/remote_control.rs
index 4831fdef6592..f09bb015d3f3 100644
--- a/codex-rs/state/src/runtime/remote_control.rs
+++ b/codex-rs/state/src/runtime/remote_control.rs
@@ -165,9 +165,12 @@ mod tests {
     #[tokio::test]
     async fn remote_control_enrollment_round_trips_by_target_and_account() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         runtime
             .upsert_remote_control_enrollment(&RemoteControlEnrollmentRecord {
@@ -245,9 +248,12 @@ mod tests {
     #[tokio::test]
     async fn delete_remote_control_enrollment_removes_only_matching_entry() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
 
         runtime
             .upsert_remote_control_enrollment(&RemoteControlEnrollmentRecord {
@@ -365,9 +371,12 @@ mod tests {
         .expect("insert legacy enrollment");
         pool.close().await;
 
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("initialize runtime");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("initialize runtime");
         let actual = runtime
             .get_remote_control_enrollment(
                 "wss://example.com/backend-api/wham/remote/control/server",
diff --git a/codex-rs/state/src/runtime/threads.rs b/codex-rs/state/src/runtime/threads.rs
index fbf0655ffbd2..584a5b9910a2 100644
--- a/codex-rs/state/src/runtime/threads.rs
+++ b/codex-rs/state/src/runtime/threads.rs
@@ -1418,15 +1418,19 @@ mod tests {
     use codex_protocol::protocol::SessionMetaLine;
     use codex_protocol::protocol::SessionSource;
     use codex_protocol::protocol::ThreadHistoryMode;
+    use codex_utils_absolute_path::test_support::PathExt;
     use pretty_assertions::assert_eq;
     use std::path::PathBuf;
 
     #[tokio::test]
     async fn upsert_thread_keeps_creation_memory_mode_for_existing_rows() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("state db should initialize");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("state db should initialize");
         let thread_id =
             ThreadId::from_string("00000000-0000-0000-0000-000000000123").expect("valid thread id");
         let mut metadata = test_thread_metadata(&codex_home, thread_id, codex_home.clone());
@@ -1462,9 +1466,12 @@ mod tests {
     #[tokio::test]
     async fn thread_metadata_round_trips_history_mode() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("state db should initialize");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("state db should initialize");
         let thread_id =
             ThreadId::from_string("00000000-0000-0000-0000-000000000124").expect("valid thread id");
         let mut metadata = test_thread_metadata(&codex_home, thread_id, codex_home.clone());
@@ -1486,9 +1493,12 @@ mod tests {
     #[tokio::test]
     async fn thread_pin_updates_round_trip_and_survive_rollout_reconciliation() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("state db should initialize");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("state db should initialize");
         let thread_id = ThreadId::new();
         let metadata = test_thread_metadata(&codex_home, thread_id, codex_home.clone());
         runtime
@@ -1557,9 +1567,12 @@ mod tests {
     #[tokio::test]
     async fn list_threads_filters_pins_before_recency_pagination_and_uses_index() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("state db should initialize");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("state db should initialize");
         let oldest_pinned = ThreadId::from_string("00000000-0000-0000-0000-000000000041").unwrap();
         let newest_unpinned =
             ThreadId::from_string("00000000-0000-0000-0000-000000000042").unwrap();
@@ -1653,7 +1666,11 @@ mod tests {
     #[tokio::test]
     async fn delete_thread_cleans_associated_state() -> Result<()> {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string()).await?;
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await?;
         let thread_id = ThreadId::from_string("00000000-0000-0000-0000-000000000401")?;
         let child_thread_id = ThreadId::from_string("00000000-0000-0000-0000-000000000402")?;
         runtime
@@ -1699,7 +1716,11 @@ mod tests {
     #[tokio::test]
     async fn delete_thread_keeps_retry_graph_on_cleanup_failure() -> Result<()> {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string()).await?;
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await?;
         let thread_id = ThreadId::from_string("00000000-0000-0000-0000-000000000405")?;
         let child_thread_id = ThreadId::from_string("00000000-0000-0000-0000-000000000406")?;
         runtime
@@ -1782,9 +1803,12 @@ mod tests {
     #[tokio::test]
     async fn list_threads_updated_after_returns_oldest_changes_first() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("state db should initialize");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("state db should initialize");
         let older_id =
             ThreadId::from_string("00000000-0000-0000-0000-000000000001").expect("valid thread id");
         let middle_id =
@@ -1870,9 +1894,12 @@ mod tests {
     #[tokio::test]
     async fn list_threads_filters_by_cwd() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("state db should initialize");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("state db should initialize");
         let first_id =
             ThreadId::from_string("00000000-0000-0000-0000-000000000101").expect("valid thread id");
         let second_id =
@@ -1981,9 +2008,12 @@ mod tests {
     #[tokio::test]
     async fn list_threads_uses_indexes_matching_cwd_filters() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home, "test-provider".to_string())
-            .await
-            .expect("state db should initialize");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("state db should initialize");
 
         let model_providers = ["test-provider".to_string()];
         let cwd_filters = [
@@ -2068,9 +2098,12 @@ mod tests {
     #[tokio::test]
     async fn list_threads_by_relation_filters_spawn_graph_with_keyset_pagination() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("state db should initialize");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("state db should initialize");
         let parent_id = ThreadId::new();
         let first_child_id =
             ThreadId::from_string("00000000-0000-0000-0000-000000000001").expect("valid thread id");
@@ -2264,9 +2297,12 @@ mod tests {
     #[tokio::test]
     async fn apply_rollout_items_restores_memory_mode_from_session_meta() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("state db should initialize");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("state db should initialize");
         let thread_id =
             ThreadId::from_string("00000000-0000-0000-0000-000000000456").expect("valid thread id");
         let metadata = test_thread_metadata(&codex_home, thread_id, codex_home.clone());
@@ -2329,9 +2365,12 @@ mod tests {
     #[tokio::test]
     async fn apply_rollout_items_preserves_existing_git_branch_and_fills_missing_git_fields() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("state db should initialize");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("state db should initialize");
         let thread_id =
             ThreadId::from_string("00000000-0000-0000-0000-000000000457").expect("valid thread id");
         let mut metadata = test_thread_metadata(&codex_home, thread_id, codex_home.clone());
@@ -2406,9 +2445,12 @@ mod tests {
     #[tokio::test]
     async fn upsert_thread_preserves_existing_git_fields_atomically() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("state db should initialize");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("state db should initialize");
         let thread_id =
             ThreadId::from_string("00000000-0000-0000-0000-000000000458").expect("valid thread id");
         let mut metadata = test_thread_metadata(&codex_home, thread_id, codex_home.clone());
@@ -2447,9 +2489,12 @@ mod tests {
     #[tokio::test]
     async fn upsert_thread_preserves_existing_preview_when_incoming_preview_is_empty() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("state db should initialize");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("state db should initialize");
         let thread_id =
             ThreadId::from_string("00000000-0000-0000-0000-000000000459").expect("valid thread id");
         let mut metadata = test_thread_metadata(&codex_home, thread_id, codex_home.clone());
@@ -2480,9 +2525,12 @@ mod tests {
     #[tokio::test]
     async fn set_thread_preview_if_empty_only_fills_blank_preview() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("state db should initialize");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("state db should initialize");
         let thread_id =
             ThreadId::from_string("00000000-0000-0000-0000-000000000460").expect("valid thread id");
         let mut metadata = test_thread_metadata(&codex_home, thread_id, codex_home.clone());
@@ -2521,9 +2569,12 @@ mod tests {
     #[tokio::test]
     async fn update_thread_git_info_preserves_newer_non_git_metadata() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("state db should initialize");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("state db should initialize");
         let thread_id =
             ThreadId::from_string("00000000-0000-0000-0000-000000000789").expect("valid thread id");
         let metadata = test_thread_metadata(&codex_home, thread_id, codex_home.clone());
@@ -2583,9 +2634,12 @@ mod tests {
     #[tokio::test]
     async fn insert_thread_if_absent_preserves_existing_metadata() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("state db should initialize");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("state db should initialize");
         let thread_id =
             ThreadId::from_string("00000000-0000-0000-0000-000000000791").expect("valid thread id");
 
@@ -2631,9 +2685,12 @@ mod tests {
     #[tokio::test]
     async fn update_thread_git_info_can_clear_fields() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("state db should initialize");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("state db should initialize");
         let thread_id =
             ThreadId::from_string("00000000-0000-0000-0000-000000000790").expect("valid thread id");
         let mut metadata = test_thread_metadata(&codex_home, thread_id, codex_home.clone());
@@ -2665,9 +2722,12 @@ mod tests {
     #[tokio::test]
     async fn touch_thread_updated_at_updates_only_updated_at() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("state db should initialize");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("state db should initialize");
         let thread_id =
             ThreadId::from_string("00000000-0000-0000-0000-000000000791").expect("valid thread id");
         let mut metadata = test_thread_metadata(&codex_home, thread_id, codex_home.clone());
@@ -2704,9 +2764,12 @@ mod tests {
     #[tokio::test]
     async fn touch_thread_recency_at_is_monotonic_and_survives_stale_upsert() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("state db should initialize");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("state db should initialize");
         let thread_id =
             ThreadId::from_string("00000000-0000-0000-0000-000000000792").expect("valid thread id");
         let mut metadata = test_thread_metadata(&codex_home, thread_id, codex_home.clone());
@@ -2763,9 +2826,12 @@ mod tests {
     #[tokio::test]
     async fn list_threads_orders_and_pages_by_recency_at() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("state db should initialize");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("state db should initialize");
         let first_id =
             ThreadId::from_string("00000000-0000-0000-0000-000000000793").expect("valid thread id");
         let second_id =
@@ -2887,9 +2953,12 @@ mod tests {
     #[tokio::test]
     async fn thread_updated_at_uses_unique_epoch_millis_and_reads_legacy_seconds() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("state db should initialize");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("state db should initialize");
         let first_id =
             ThreadId::from_string("00000000-0000-0000-0000-000000000901").expect("valid thread id");
         let second_id =
@@ -2995,9 +3064,12 @@ mod tests {
     #[tokio::test]
     async fn apply_rollout_items_uses_override_updated_at_when_provided() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home.clone(), "test-provider".to_string())
-            .await
-            .expect("state db should initialize");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("state db should initialize");
         let thread_id =
             ThreadId::from_string("00000000-0000-0000-0000-000000000792").expect("valid thread id");
         let metadata = test_thread_metadata(&codex_home, thread_id, codex_home.clone());
@@ -3055,9 +3127,12 @@ mod tests {
     #[tokio::test]
     async fn thread_spawn_edges_track_directional_status() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home, "test-provider".to_string())
-            .await
-            .expect("state db should initialize");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("state db should initialize");
         let parent_thread_id =
             ThreadId::from_string("00000000-0000-0000-0000-000000000900").expect("valid thread id");
         let child_thread_id =
@@ -3151,9 +3226,12 @@ mod tests {
     #[tokio::test]
     async fn thread_spawn_children_without_status_filter_lists_all_statuses() {
         let codex_home = unique_temp_dir();
-        let runtime = StateRuntime::init(codex_home, "test-provider".to_string())
-            .await
-            .expect("state db should initialize");
+        let runtime = StateRuntime::init(
+            crate::SqliteConfig::new_for_testing(codex_home.as_path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .expect("state db should initialize");
         let parent_thread_id =
             ThreadId::from_string("00000000-0000-0000-0000-000000000910").expect("valid thread id");
         let open_child_thread_id =
diff --git a/codex-rs/thread-manager-sample/src/main.rs b/codex-rs/thread-manager-sample/src/main.rs
index 41210239eeb2..81db5ca57fd3 100644
--- a/codex-rs/thread-manager-sample/src/main.rs
+++ b/codex-rs/thread-manager-sample/src/main.rs
@@ -45,6 +45,7 @@ use codex_core_api::RealtimeAudioConfig;
 use codex_core_api::RealtimeConfig;
 use codex_core_api::SessionPickerViewMode;
 use codex_core_api::SessionSource;
+use codex_core_api::SqliteConfig;
 use codex_core_api::StartThreadOptions;
 use codex_core_api::TerminalResizeReflowConfig;
 use codex_core_api::ThreadManager;
@@ -251,7 +252,7 @@ fn new_config(model: Option<String>, arg0_paths: Arg0DispatchPaths) -> anyhow::R
         agent_max_depth: 1,
         agent_roles: BTreeMap::new(),
         memories: MemoriesConfig::default(),
-        sqlite_home: codex_home.to_path_buf(),
+        sqlite: SqliteConfig::from_sqlite_home(codex_home.clone()),
         log_dir: codex_home.join("log").to_path_buf(),
         config_lock_export_dir: None,
         config_lock_allow_codex_version_mismatch: false,
diff --git a/codex-rs/thread-store/Cargo.toml b/codex-rs/thread-store/Cargo.toml
index 42a8ece46334..fcbb00267316 100644
--- a/codex-rs/thread-store/Cargo.toml
+++ b/codex-rs/thread-store/Cargo.toml
@@ -33,6 +33,7 @@ tokio = { workspace = true }
 tracing = { workspace = true }
 
 [dev-dependencies]
+codex-utils-absolute-path = { workspace = true }
 pretty_assertions = { workspace = true }
 tempfile = { workspace = true }
 tokio = { workspace = true, features = ["macros", "rt-multi-thread"] }
diff --git a/codex-rs/thread-store/src/local/archive_thread.rs b/codex-rs/thread-store/src/local/archive_thread.rs
index 35ed6100cf8c..0d77f982192f 100644
--- a/codex-rs/thread-store/src/local/archive_thread.rs
+++ b/codex-rs/thread-store/src/local/archive_thread.rs
@@ -1,12 +1,11 @@
-use chrono::Utc;
-use codex_rollout::find_thread_path_by_id_str;
-
 use super::LocalThreadStore;
 use super::helpers::matching_rollout_file_name;
 use super::helpers::scoped_rollout_path;
 use crate::ArchiveThreadParams;
 use crate::ThreadStoreError;
 use crate::ThreadStoreResult;
+use chrono::Utc;
+use codex_rollout::find_thread_path_by_id_str;
 
 pub(super) async fn archive_thread(
     store: &LocalThreadStore,
@@ -66,6 +65,7 @@ mod tests {
     use codex_protocol::ThreadId;
     use codex_protocol::protocol::SessionSource;
     use codex_rollout::ARCHIVED_SESSIONS_SUBDIR;
+    use codex_utils_absolute_path::test_support::PathExt;
     use pretty_assertions::assert_eq;
     use tempfile::TempDir;
     use uuid::Uuid;
@@ -134,7 +134,7 @@ mod tests {
         let active_path =
             write_session_file(home.path(), "2025-01-03T12-00-00", uuid).expect("session file");
         let runtime = codex_state::StateRuntime::init(
-            home.path().to_path_buf(),
+            codex_state::SqliteConfig::new_for_testing(home.path().abs()),
             config.default_model_provider_id.clone(),
         )
         .await
diff --git a/codex-rs/thread-store/src/local/create_thread.rs b/codex-rs/thread-store/src/local/create_thread.rs
index 457f715dec7f..a9605c62e294 100644
--- a/codex-rs/thread-store/src/local/create_thread.rs
+++ b/codex-rs/thread-store/src/local/create_thread.rs
@@ -20,7 +20,7 @@ pub(super) async fn create_thread(
         })?;
     let config = RolloutConfig {
         codex_home: store.config.codex_home.clone(),
-        sqlite_home: store.config.sqlite.home().to_path_buf(),
+        sqlite: store.config.sqlite.clone(),
         cwd,
         model_provider_id: params.metadata.model_provider.clone(),
         generate_memories: matches!(params.metadata.memory_mode, ThreadMemoryMode::Enabled),
diff --git a/codex-rs/thread-store/src/local/delete_thread.rs b/codex-rs/thread-store/src/local/delete_thread.rs
index df75df56c5d9..b30c164844b2 100644
--- a/codex-rs/thread-store/src/local/delete_thread.rs
+++ b/codex-rs/thread-store/src/local/delete_thread.rs
@@ -223,6 +223,7 @@ mod tests {
     use codex_protocol::protocol::HistoryPosition;
     use codex_protocol::protocol::ThreadHistoryMode;
     use codex_protocol::protocol::ThreadMemoryMode;
+    use codex_utils_absolute_path::test_support::PathExt;
     use pretty_assertions::assert_eq;
     use tempfile::TempDir;
     use uuid::Uuid;
@@ -420,9 +421,11 @@ mod tests {
             ThreadHistoryMode::Paginated,
         )
         .expect("session file");
-        let pool = codex_state::open_thread_history_db(home.path())
-            .await
-            .expect("open thread history db");
+        let pool = codex_state::open_thread_history_db(
+            &codex_state::SqliteConfig::new_for_testing(home.path().abs()),
+        )
+        .await
+        .expect("open thread history db");
         let thread_id_string = thread_id.to_string();
         sqlx::query(
             "INSERT INTO thread_turns (thread_id, turn_id, rollout_ordinal, status) VALUES (?, 'turn-1', 1, 'completed')",
diff --git a/codex-rs/thread-store/src/local/list_threads.rs b/codex-rs/thread-store/src/local/list_threads.rs
index 3d416039b786..0e0044a40098 100644
--- a/codex-rs/thread-store/src/local/list_threads.rs
+++ b/codex-rs/thread-store/src/local/list_threads.rs
@@ -41,7 +41,7 @@ pub(super) async fn list_threads(
     let state_db = store.state_db().await;
     let rollout_config = RolloutConfig {
         codex_home: store.config.codex_home.clone(),
-        sqlite_home: store.config.sqlite.home().to_path_buf(),
+        sqlite: store.config.sqlite.clone(),
         cwd: store.config.codex_home.clone(),
         model_provider_id: store.config.default_model_provider_id.clone(),
         generate_memories: false,
@@ -110,7 +110,7 @@ pub(super) async fn list_rollout_threads(
             });
         let page = codex_rollout::state_db::list_threads_db(
             state_db.as_deref(),
-            config.codex_home.as_path(),
+            &config.sqlite,
             params.page_size,
             cursor,
             sort_key,
@@ -202,6 +202,7 @@ mod tests {
     use codex_protocol::ThreadId;
     use codex_protocol::protocol::SessionSource;
     use codex_protocol::protocol::ThreadHistoryMode;
+    use codex_utils_absolute_path::test_support::PathExt;
     use pretty_assertions::assert_eq;
     use std::fs;
     use tempfile::TempDir;
@@ -262,7 +263,7 @@ mod tests {
         fs::write(&rollout_path, "").expect("placeholder rollout file");
 
         let runtime = codex_state::StateRuntime::init(
-            home.path().to_path_buf(),
+            codex_state::SqliteConfig::new_for_testing(home.path().abs()),
             config.default_model_provider_id.clone(),
         )
         .await
@@ -331,7 +332,7 @@ mod tests {
         fs::write(&rollout_path, "").expect("placeholder rollout file");
 
         let runtime = codex_state::StateRuntime::init(
-            home.path().to_path_buf(),
+            config.sqlite.clone(),
             config.default_model_provider_id.clone(),
         )
         .await
diff --git a/codex-rs/thread-store/src/local/live_writer.rs b/codex-rs/thread-store/src/local/live_writer.rs
index 6202c8fc832d..1457cc9e5538 100644
--- a/codex-rs/thread-store/src/local/live_writer.rs
+++ b/codex-rs/thread-store/src/local/live_writer.rs
@@ -98,7 +98,7 @@ pub(super) async fn resume_thread(
         })?;
     let config = RolloutConfig {
         codex_home: store.config.codex_home.clone(),
-        sqlite_home: store.config.sqlite.home().to_path_buf(),
+        sqlite: store.config.sqlite.clone(),
         cwd,
         model_provider_id: params.metadata.model_provider.clone(),
         generate_memories: matches!(params.metadata.memory_mode, ThreadMemoryMode::Enabled),
diff --git a/codex-rs/thread-store/src/local/mod.rs b/codex-rs/thread-store/src/local/mod.rs
index 8a2cad525f3d..0ebe34f000c6 100644
--- a/codex-rs/thread-store/src/local/mod.rs
+++ b/codex-rs/thread-store/src/local/mod.rs
@@ -24,7 +24,6 @@ use codex_protocol::protocol::ThreadHistoryMode;
 use codex_rollout::RolloutRecorder;
 use codex_rollout::StateDbHandle;
 use codex_state::SqliteConfig;
-use codex_utils_absolute_path::AbsolutePathBuf;
 use std::collections::HashMap;
 use std::collections::hash_map::Entry;
 use std::path::PathBuf;
@@ -128,17 +127,10 @@ pub struct LocalThreadStoreConfig {
 }
 
 impl LocalThreadStoreConfig {
-    #[expect(
-        clippy::expect_used,
-        reason = "resolved Codex configuration paths must be absolute"
-    )]
     pub fn from_config(config: &impl codex_rollout::RolloutConfigView) -> Self {
         Self {
             codex_home: config.codex_home().to_path_buf(),
-            sqlite: SqliteConfig::from_sqlite_home(
-                AbsolutePathBuf::from_absolute_path_checked(config.sqlite_home())
-                    .expect("sqlite home from resolved config should be absolute"),
-            ),
+            sqlite: config.sqlite_config().clone(),
             default_model_provider_id: config.model_provider_id().to_string(),
         }
     }
@@ -174,7 +166,7 @@ impl LocalThreadStore {
     async fn thread_history_db(&self) -> ThreadStoreResult<&sqlx::SqlitePool> {
         self.thread_history_db
             .get_or_try_init(|| async {
-                codex_state::open_thread_history_db(self.config.sqlite.home()).await
+                codex_state::open_thread_history_db(&self.config.sqlite).await
             })
             .await
             .map_err(|err| ThreadStoreError::Internal {
@@ -517,7 +509,7 @@ mod tests {
         let home = TempDir::new().expect("temp dir");
         let config = test_config(home.path());
         let runtime = codex_state::StateRuntime::init(
-            config.sqlite.home().to_path_buf(),
+            config.sqlite.clone(),
             config.default_model_provider_id.clone(),
         )
         .await
@@ -552,7 +544,7 @@ mod tests {
         let home = TempDir::new().expect("temp dir");
         let config = test_config(home.path());
         let runtime = codex_state::StateRuntime::init(
-            config.sqlite.home().to_path_buf(),
+            config.sqlite.clone(),
             config.default_model_provider_id.clone(),
         )
         .await
@@ -587,7 +579,7 @@ mod tests {
         let home = TempDir::new().expect("temp dir");
         let config = test_config(home.path());
         let runtime = codex_state::StateRuntime::init(
-            config.sqlite.home().to_path_buf(),
+            config.sqlite.clone(),
             config.default_model_provider_id.clone(),
         )
         .await
@@ -655,7 +647,7 @@ mod tests {
         let home = TempDir::new().expect("temp dir");
         let config = test_config(home.path());
         let runtime = codex_state::StateRuntime::init(
-            config.sqlite.home().to_path_buf(),
+            config.sqlite.clone(),
             config.default_model_provider_id.clone(),
         )
         .await
@@ -744,7 +736,7 @@ mod tests {
         let home = TempDir::new().expect("temp dir");
         let config = test_config(home.path());
         let runtime = codex_state::StateRuntime::init(
-            config.sqlite.home().to_path_buf(),
+            config.sqlite.clone(),
             config.default_model_provider_id.clone(),
         )
         .await
@@ -780,7 +772,7 @@ mod tests {
         let home = TempDir::new().expect("temp dir");
         let config = test_config(home.path());
         let runtime = codex_state::StateRuntime::init(
-            config.sqlite.home().to_path_buf(),
+            config.sqlite.clone(),
             config.default_model_provider_id.clone(),
         )
         .await
@@ -820,7 +812,7 @@ mod tests {
         let home = TempDir::new().expect("temp dir");
         let config = test_config(home.path());
         let runtime = codex_state::StateRuntime::init(
-            config.sqlite.home().to_path_buf(),
+            config.sqlite.clone(),
             config.default_model_provider_id.clone(),
         )
         .await
@@ -864,7 +856,7 @@ mod tests {
         let home = TempDir::new().expect("temp dir");
         let config = test_config(home.path());
         let runtime = codex_state::StateRuntime::init(
-            config.sqlite.home().to_path_buf(),
+            config.sqlite.clone(),
             config.default_model_provider_id.clone(),
         )
         .await
@@ -919,7 +911,7 @@ mod tests {
         let external_home = TempDir::new().expect("external temp dir");
         let config = test_config(home.path());
         let runtime = codex_state::StateRuntime::init(
-            config.sqlite.home().to_path_buf(),
+            config.sqlite.clone(),
             config.default_model_provider_id.clone(),
         )
         .await
diff --git a/codex-rs/thread-store/src/local/read_thread.rs b/codex-rs/thread-store/src/local/read_thread.rs
index 568ddd93d285..dc07f71e99c1 100644
--- a/codex-rs/thread-store/src/local/read_thread.rs
+++ b/codex-rs/thread-store/src/local/read_thread.rs
@@ -612,7 +612,7 @@ mod tests {
         let active_path =
             write_session_file(home.path(), "2025-01-03T12-00-00", uuid).expect("session file");
         let runtime = codex_state::StateRuntime::init(
-            config.sqlite.home().to_path_buf(),
+            config.sqlite.clone(),
             config.default_model_provider_id.clone(),
         )
         .await
@@ -771,7 +771,7 @@ mod tests {
         let rollout_path =
             write_session_file(home.path(), "2025-01-03T12-00-00", uuid).expect("session file");
         let runtime = codex_state::StateRuntime::init(
-            config.sqlite.home().to_path_buf(),
+            config.sqlite.clone(),
             config.default_model_provider_id.clone(),
         )
         .await
@@ -816,7 +816,7 @@ mod tests {
         )
         .expect("session file");
         let runtime = codex_state::StateRuntime::init(
-            config.sqlite.home().to_path_buf(),
+            config.sqlite.clone(),
             config.default_model_provider_id.clone(),
         )
         .await
@@ -859,7 +859,7 @@ mod tests {
         let rollout_path =
             write_session_file(home.path(), "2025-01-03T12-00-00", uuid).expect("session file");
         let runtime = codex_state::StateRuntime::init(
-            config.sqlite.home().to_path_buf(),
+            config.sqlite.clone(),
             config.default_model_provider_id.clone(),
         )
         .await
@@ -900,7 +900,7 @@ mod tests {
         let rollout_path =
             write_session_file(home.path(), "2025-01-03T12-00-00", uuid).expect("session file");
         let runtime = codex_state::StateRuntime::init(
-            config.sqlite.home().to_path_buf(),
+            config.sqlite.clone(),
             config.default_model_provider_id.clone(),
         )
         .await
@@ -934,7 +934,7 @@ mod tests {
         let home = TempDir::new().expect("temp dir");
         let config = test_config(home.path());
         let runtime = codex_state::StateRuntime::init(
-            config.sqlite.home().to_path_buf(),
+            config.sqlite.clone(),
             config.default_model_provider_id.clone(),
         )
         .await
@@ -1070,7 +1070,7 @@ mod tests {
         writeln!(file, "{meta}").expect("write session meta");
 
         let runtime = codex_state::StateRuntime::init(
-            config.sqlite.home().to_path_buf(),
+            config.sqlite.clone(),
             config.default_model_provider_id.clone(),
         )
         .await
@@ -1124,7 +1124,7 @@ mod tests {
             write_session_file(home.path(), "2025-01-03T12-00-00", uuid).expect("session file");
         let stale_path = external.path().join("missing-rollout.jsonl");
         let runtime = codex_state::StateRuntime::init(
-            config.sqlite.home().to_path_buf(),
+            config.sqlite.clone(),
             config.default_model_provider_id.clone(),
         )
         .await
@@ -1175,7 +1175,7 @@ mod tests {
         let stale_path = write_session_file(external.path(), "2025-01-04T12-00-00", other_uuid)
             .expect("other session file");
         let runtime = codex_state::StateRuntime::init(
-            config.sqlite.home().to_path_buf(),
+            config.sqlite.clone(),
             config.default_model_provider_id.clone(),
         )
         .await
@@ -1274,7 +1274,7 @@ mod tests {
             .path()
             .join(format!("rollout-2025-01-03T12-00-00-{uuid}.jsonl"));
         let runtime = codex_state::StateRuntime::init(
-            config.sqlite.home().to_path_buf(),
+            config.sqlite.clone(),
             config.default_model_provider_id.clone(),
         )
         .await
@@ -1336,7 +1336,7 @@ mod tests {
             .path()
             .join(format!("rollout-2025-01-03T12-00-00-{uuid}.jsonl"));
         let runtime = codex_state::StateRuntime::init(
-            config.sqlite.home().to_path_buf(),
+            config.sqlite.clone(),
             config.default_model_provider_id.clone(),
         )
         .await
@@ -1391,7 +1391,7 @@ mod tests {
         let archived_path = write_archived_session_file(home.path(), "2025-01-03T12-00-00", uuid)
             .expect("archived session file");
         let runtime = codex_state::StateRuntime::init(
-            config.sqlite.home().to_path_buf(),
+            config.sqlite.clone(),
             config.default_model_provider_id.clone(),
         )
         .await
diff --git a/codex-rs/thread-store/src/local/search_threads.rs b/codex-rs/thread-store/src/local/search_threads.rs
index 6c2769bc4dad..5963d3dcabaf 100644
--- a/codex-rs/thread-store/src/local/search_threads.rs
+++ b/codex-rs/thread-store/src/local/search_threads.rs
@@ -60,7 +60,7 @@ pub(super) async fn search_threads(
     let state_db = store.state_db().await;
     let rollout_config = RolloutConfig {
         codex_home: store.config.codex_home.clone(),
-        sqlite_home: store.config.sqlite.home().to_path_buf(),
+        sqlite: store.config.sqlite.clone(),
         cwd: store.config.codex_home.clone(),
         model_provider_id: store.config.default_model_provider_id.clone(),
         generate_memories: false,
diff --git a/codex-rs/thread-store/src/local/thread_history/read_tests.rs b/codex-rs/thread-store/src/local/thread_history/read_tests.rs
index f6152bbdc574..1158362e5b25 100644
--- a/codex-rs/thread-store/src/local/thread_history/read_tests.rs
+++ b/codex-rs/thread-store/src/local/thread_history/read_tests.rs
@@ -507,7 +507,7 @@ async fn store_with_mode(history_mode: ThreadHistoryMode) -> (TempDir, LocalThre
         );
     }
     let runtime = codex_state::StateRuntime::init(
-        config.sqlite.home().to_path_buf(),
+        config.sqlite.clone(),
         config.default_model_provider_id.clone(),
     )
     .await
diff --git a/codex-rs/thread-store/src/local/thread_history_materialization_tests.rs b/codex-rs/thread-store/src/local/thread_history_materialization_tests.rs
index 5cdc5e31e791..99516e44c9e3 100644
--- a/codex-rs/thread-store/src/local/thread_history_materialization_tests.rs
+++ b/codex-rs/thread-store/src/local/thread_history_materialization_tests.rs
@@ -20,22 +20,218 @@ use codex_protocol::protocol::ThreadHistoryMode;
 use codex_protocol::protocol::ThreadMemoryMode;
 use codex_protocol::protocol::TurnCompleteEvent;
 use codex_protocol::protocol::TurnStartedEvent;
+use codex_protocol::protocol::UserMessageEvent;
+use codex_rollout::RolloutConfig;
 use codex_rollout::RolloutRecorder;
+use codex_rollout::RolloutRecorderParams;
 use codex_utils_absolute_path::test_support::PathExt;
 use pretty_assertions::assert_eq;
 use tempfile::TempDir;
 
 use super::super::LocalThreadStore;
+use super::super::LocalThreadStoreConfig;
 use super::super::test_support::test_config;
 use crate::AppendThreadItemsParams;
 use crate::CreateThreadParams;
 use crate::DeleteThreadParams;
+use crate::ListThreadsParams;
 use crate::ListTurnsParams;
+use crate::ResumeThreadParams;
 use crate::SortDirection;
 use crate::StoredTurnItemsView;
+use crate::StoredTurnStatus;
 use crate::ThreadPersistenceMetadata;
+use crate::ThreadSortKey;
 use crate::ThreadStore;
 
+/// Separate Codex and SQLite homes must work together across startup backfill,
+/// thread listing, and projection-backed paginated history reads.
+#[tokio::test]
+async fn split_homes_support_backfill_listing_and_paginated_history() {
+    let root = TempDir::new().expect("temp dir");
+    let codex_home = root.path().join("codex");
+    let sqlite_home = root.path().join("sqlite");
+    let thread_id = ThreadId::new();
+    let sqlite = codex_state::SqliteConfig::new_for_testing(sqlite_home.as_path().abs());
+    let rollout_config = RolloutConfig {
+        codex_home: codex_home.clone(),
+        sqlite: sqlite.clone(),
+        cwd: codex_home.clone(),
+        model_provider_id: "test-provider".to_string(),
+        generate_memories: false,
+    };
+    let recorder = RolloutRecorder::new(
+        &rollout_config,
+        RolloutRecorderParams::new(
+            thread_id,
+            /*forked_from_id*/ None,
+            /*parent_thread_id*/ None,
+            SessionSource::Exec,
+            /*thread_source*/ None,
+            "test-originator".to_string(),
+            BaseInstructions::default(),
+            Vec::new(),
+        )
+        .with_history_mode(ThreadHistoryMode::Paginated)
+        .with_initial_window_id("window-1".to_string()),
+    )
+    .await
+    .expect("create paginated rollout");
+    recorder
+        .record_canonical_items(&[RolloutItem::EventMsg(EventMsg::UserMessage(
+            UserMessageEvent {
+                message: "existing thread".to_string(),
+                ..Default::default()
+            },
+        ))])
+        .await
+        .expect("record existing user message");
+    recorder.persist().await.expect("persist paginated rollout");
+    let rollout_path = recorder.rollout_path().to_path_buf();
+    recorder.shutdown().await.expect("close paginated rollout");
+
+    let runtime = codex_rollout::state_db::try_init(&rollout_config)
+        .await
+        .expect("backfill state from Codex home");
+    assert!(
+        runtime
+            .get_thread(thread_id)
+            .await
+            .expect("read backfilled thread")
+            .is_some(),
+        "startup backfill should index the rollout"
+    );
+    let store = LocalThreadStore::new(
+        LocalThreadStoreConfig::from_config(&rollout_config),
+        Some(runtime),
+    );
+
+    let threads = store
+        .list_threads(ListThreadsParams {
+            page_size: 10,
+            cursor: None,
+            sort_key: ThreadSortKey::CreatedAt,
+            sort_direction: SortDirection::Desc,
+            allowed_sources: Vec::new(),
+            model_providers: None,
+            cwd_filters: None,
+            archived: false,
+            search_term: None,
+            relation_filter: None,
+            is_pinned: None,
+            use_state_db_only: true,
+        })
+        .await
+        .expect("list backfilled threads");
+    assert_eq!(threads.items.len(), 1);
+    assert_eq!(
+        (
+            threads.items[0].thread_id,
+            threads.items[0].rollout_path.as_deref(),
+            threads.items[0].history_mode,
+        ),
+        (
+            thread_id,
+            Some(rollout_path.as_path()),
+            ThreadHistoryMode::Paginated,
+        )
+    );
+
+    store
+        .resume_thread(ResumeThreadParams {
+            thread_id,
+            rollout_path: Some(rollout_path),
+            history: None,
+            include_archived: false,
+            metadata: ThreadPersistenceMetadata {
+                cwd: Some(codex_home.clone()),
+                model_provider: "test-provider".to_string(),
+                memory_mode: ThreadMemoryMode::Enabled,
+            },
+        })
+        .await
+        .expect("resume backfilled thread");
+    store
+        .append_items(AppendThreadItemsParams {
+            thread_id,
+            items: vec![
+                turn_started("turn-1"),
+                completed_item(
+                    thread_id,
+                    "turn-1",
+                    TurnItem::UserMessage(UserMessageItem {
+                        id: "user-1".to_string(),
+                        client_id: None,
+                        content: Vec::new(),
+                    }),
+                ),
+                completed_item(
+                    thread_id,
+                    "turn-1",
+                    TurnItem::AgentMessage(AgentMessageItem {
+                        id: "agent-1".to_string(),
+                        content: vec![AgentMessageContent::Text {
+                            text: "done".to_string(),
+                        }],
+                        phase: None,
+                        memory_citation: None,
+                    }),
+                ),
+                turn_completed("turn-1"),
+            ],
+        })
+        .await
+        .expect("append paginated history");
+
+    let turns = store
+        .list_turns(ListTurnsParams {
+            thread_id,
+            include_archived: false,
+            cursor: None,
+            page_size: 10,
+            sort_direction: SortDirection::Asc,
+            items_view: StoredTurnItemsView::Summary,
+        })
+        .await
+        .expect("list paginated history");
+    assert_eq!(
+        turns
+            .turns
+            .iter()
+            .map(|turn| {
+                (
+                    turn.turn_id.as_str(),
+                    turn.status,
+                    turn.items
+                        .iter()
+                        .map(|item| item.item_id.as_str())
+                        .collect::<Vec<_>>(),
+                )
+            })
+            .collect::<Vec<_>>(),
+        vec![(
+            "turn-1",
+            StoredTurnStatus::Completed,
+            vec!["user-1", "agent-1"],
+        )]
+    );
+
+    let state_db_path = sqlite.state_db_path();
+    let thread_history_db_path = sqlite.thread_history_db_path();
+    for sqlite_path in [&state_db_path, &thread_history_db_path] {
+        assert!(
+            sqlite_path.exists(),
+            "expected SQLite database at {}",
+            sqlite_path.display()
+        );
+        let filename = sqlite_path.file_name().expect("SQLite database filename");
+        assert!(
+            !codex_home.join(filename).exists(),
+            "SQLite database should not be created under Codex home"
+        );
+    }
+}
+
 #[tokio::test]
 async fn paginated_live_append_materializes_turn_items_and_state() {
     let home = TempDir::new().expect("temp dir");
@@ -87,9 +283,11 @@ async fn paginated_live_append_materializes_turn_items_and_state() {
         rollout_line_byte_offsets(rollout_path.as_path(), /*ordinal*/ 1);
     let (_, turn_end_byte_offset) =
         rollout_line_byte_offsets(rollout_path.as_path(), /*ordinal*/ 4);
-    let pool = codex_state::open_thread_history_db(home.path())
-        .await
-        .expect("open thread history db");
+    let pool = codex_state::open_thread_history_db(&codex_state::SqliteConfig::new_for_testing(
+        home.path().abs(),
+    ))
+    .await
+    .expect("open thread history db");
     let turn = sqlx::query_as::<
         _,
         (
@@ -196,9 +394,11 @@ async fn active_turn_stores_only_its_start_position() {
         .expect("rollout path");
     let (turn_start_byte_offset, _) =
         rollout_line_byte_offsets(rollout_path.as_path(), /*ordinal*/ 1);
-    let pool = codex_state::open_thread_history_db(home.path())
-        .await
-        .expect("open thread history db");
+    let pool = codex_state::open_thread_history_db(&codex_state::SqliteConfig::new_for_testing(
+        home.path().abs(),
+    ))
+    .await
+    .expect("open thread history db");
     let turn_position = sqlx::query_as::<_, (Option<i64>, Option<i64>, Option<i64>)>(
         "SELECT rollout_byte_offset, rollout_end_ordinal, rollout_end_byte_offset FROM thread_turns WHERE thread_id = ? AND turn_id = ?",
     )
@@ -263,9 +463,11 @@ async fn subagent_prefix_advances_projection_without_materializing_history() {
         .expect("rollout path");
     let (child_start_byte_offset, _) =
         rollout_line_byte_offsets(rollout_path.as_path(), /*ordinal*/ 4);
-    let pool = codex_state::open_thread_history_db(home.path())
-        .await
-        .expect("open thread history db");
+    let pool = codex_state::open_thread_history_db(&codex_state::SqliteConfig::new_for_testing(
+        home.path().abs(),
+    ))
+    .await
+    .expect("open thread history db");
     let turns = sqlx::query_as::<_, (String, i64, Option<i64>)>(
         "SELECT turn_id, rollout_ordinal, rollout_byte_offset FROM thread_turns WHERE thread_id = ?",
     )
@@ -313,9 +515,11 @@ async fn replayed_item_snapshot_updates_content_without_reordering() {
         })
         .await
         .expect("append first item snapshot");
-    let pool = codex_state::open_thread_history_db(home.path())
-        .await
-        .expect("open thread history db");
+    let pool = codex_state::open_thread_history_db(&codex_state::SqliteConfig::new_for_testing(
+        home.path().abs(),
+    ))
+    .await
+    .expect("open thread history db");
     let first_created_at_ms = sqlx::query_scalar::<_, i64>(
         "SELECT created_at_ms FROM thread_items WHERE thread_id = ? AND turn_id = ? AND item_id = ?",
     )
@@ -399,9 +603,11 @@ async fn terminal_turn_does_not_change_after_later_records() {
         .await
         .expect("append later records");
 
-    let pool = codex_state::open_thread_history_db(home.path())
-        .await
-        .expect("open thread history db");
+    let pool = codex_state::open_thread_history_db(&codex_state::SqliteConfig::new_for_testing(
+        home.path().abs(),
+    ))
+    .await
+    .expect("open thread history db");
     let rollout_path = store
         .live_rollout_path(thread_id)
         .await
@@ -457,7 +663,7 @@ async fn summary_items_use_final_answers_and_ignore_commentary() {
     let config = test_config(home.path());
     let thread_id = ThreadId::default();
     let runtime = codex_state::StateRuntime::init(
-        config.sqlite.home().to_path_buf(),
+        config.sqlite.clone(),
         config.default_model_provider_id.clone(),
     )
     .await
@@ -582,9 +788,11 @@ async fn next_write_catches_up_unprojected_durable_suffix() {
         .await
         .expect("persist session metadata");
 
-    let pool = codex_state::open_thread_history_db(home.path())
-        .await
-        .expect("open thread history db");
+    let pool = codex_state::open_thread_history_db(&codex_state::SqliteConfig::new_for_testing(
+        home.path().abs(),
+    ))
+    .await
+    .expect("open thread history db");
     let checkpoint = projection_state(&pool, thread_id).await;
     store
         .append_items(AppendThreadItemsParams {
@@ -667,9 +875,11 @@ async fn synchronized_catch_up_does_not_replay_old_rows() {
         .await
         .expect("append turn start");
 
-    let pool = codex_state::open_thread_history_db(home.path())
-        .await
-        .expect("open thread history db");
+    let pool = codex_state::open_thread_history_db(&codex_state::SqliteConfig::new_for_testing(
+        home.path().abs(),
+    ))
+    .await
+    .expect("open thread history db");
     let before = projection_state(&pool, thread_id).await;
     sqlx::query("UPDATE thread_turns SET status = 'sentinel' WHERE thread_id = ?")
         .bind(thread_id.to_string())
@@ -705,9 +915,11 @@ async fn catch_up_preserves_trailing_partial_line_boundaries() {
         .await
         .expect("persist session metadata");
 
-    let pool = codex_state::open_thread_history_db(home.path())
-        .await
-        .expect("open thread history db");
+    let pool = codex_state::open_thread_history_db(&codex_state::SqliteConfig::new_for_testing(
+        home.path().abs(),
+    ))
+    .await
+    .expect("open thread history db");
     let before = projection_state(&pool, thread_id).await;
     let complete_line = rollout_line(Some(1), turn_started("turn-1"));
     let partial_line = rollout_line(Some(2), turn_completed("turn-1"));
@@ -782,9 +994,11 @@ async fn catch_up_rejects_invalid_complete_suffixes_without_advancing_state() {
             .await
             .expect("persist session metadata");
 
-        let pool = codex_state::open_thread_history_db(home.path())
-            .await
-            .expect("open thread history db");
+        let pool = codex_state::open_thread_history_db(
+            &codex_state::SqliteConfig::new_for_testing(home.path().abs()),
+        )
+        .await
+        .expect("open thread history db");
         let before = projection_state(&pool, thread_id).await;
         let rollout_path = store
             .live_rollout_path(thread_id)
@@ -940,9 +1154,11 @@ async fn blank_and_rejected_rollout_lines_do_not_poison_projection() {
         .await
         .expect("project valid retry after rejected line");
 
-    let pool = codex_state::open_thread_history_db(home.path())
-        .await
-        .expect("open thread history db");
+    let pool = codex_state::open_thread_history_db(&codex_state::SqliteConfig::new_for_testing(
+        home.path().abs(),
+    ))
+    .await
+    .expect("open thread history db");
     let (expected_start_byte_offset, _) =
         rollout_line_byte_offsets(rollout_path.as_path(), /*ordinal*/ 1);
     let start_byte_offset = sqlx::query_scalar::<_, Option<i64>>(
@@ -980,9 +1196,11 @@ async fn shutdown_materializes_items_queued_without_a_flush() {
         .await
         .expect("shutdown live thread");
 
-    let pool = codex_state::open_thread_history_db(home.path())
-        .await
-        .expect("open thread history db");
+    let pool = codex_state::open_thread_history_db(&codex_state::SqliteConfig::new_for_testing(
+        home.path().abs(),
+    ))
+    .await
+    .expect("open thread history db");
     let projected_turns = sqlx::query_scalar::<_, i64>(
         "SELECT COUNT(*) FROM thread_turns WHERE thread_id = ? AND turn_id = ?",
     )
@@ -1032,9 +1250,11 @@ async fn delete_waits_for_in_flight_projection_before_removing_rows() {
         .expect("finish in-flight append");
     delete.await.expect("join delete").expect("delete thread");
 
-    let pool = codex_state::open_thread_history_db(home.path())
-        .await
-        .expect("open thread history db");
+    let pool = codex_state::open_thread_history_db(&codex_state::SqliteConfig::new_for_testing(
+        home.path().abs(),
+    ))
+    .await
+    .expect("open thread history db");
     let counts = sqlx::query_as::<_, (i64, i64, i64)>(
         r#"
 SELECT
diff --git a/codex-rs/thread-store/src/local/unarchive_thread.rs b/codex-rs/thread-store/src/local/unarchive_thread.rs
index 945c06b65ae2..b23a45983368 100644
--- a/codex-rs/thread-store/src/local/unarchive_thread.rs
+++ b/codex-rs/thread-store/src/local/unarchive_thread.rs
@@ -1,6 +1,3 @@
-use codex_rollout::find_archived_thread_path_by_id_str;
-use codex_rollout::rollout_date_parts;
-
 use super::LocalThreadStore;
 use super::helpers::matching_rollout_file_name;
 use super::helpers::scoped_rollout_path;
@@ -10,6 +7,8 @@ use crate::ReadThreadParams;
 use crate::StoredThread;
 use crate::ThreadStoreError;
 use crate::ThreadStoreResult;
+use codex_rollout::find_archived_thread_path_by_id_str;
+use codex_rollout::rollout_date_parts;
 
 pub(super) async fn unarchive_thread(
     store: &LocalThreadStore,
@@ -94,6 +93,7 @@ mod tests {
     use chrono::Utc;
     use codex_protocol::ThreadId;
     use codex_protocol::protocol::SessionSource;
+    use codex_utils_absolute_path::test_support::PathExt;
     use pretty_assertions::assert_eq;
     use tempfile::TempDir;
     use uuid::Uuid;
@@ -143,7 +143,7 @@ mod tests {
         let archived_path = write_archived_session_file(home.path(), "2025-01-03T13-00-00", uuid)
             .expect("archived session file");
         let runtime = codex_state::StateRuntime::init(
-            home.path().to_path_buf(),
+            codex_state::SqliteConfig::new_for_testing(home.path().abs()),
             config.default_model_provider_id.clone(),
         )
         .await
diff --git a/codex-rs/thread-store/src/local/update_thread_metadata.rs b/codex-rs/thread-store/src/local/update_thread_metadata.rs
index 37082bdde25b..50df1e76ff0d 100644
--- a/codex-rs/thread-store/src/local/update_thread_metadata.rs
+++ b/codex-rs/thread-store/src/local/update_thread_metadata.rs
@@ -842,6 +842,7 @@ mod tests {
     use codex_protocol::models::PermissionProfile;
     use codex_protocol::openai_models::ReasoningEffort;
     use codex_protocol::protocol::ThreadHistoryMode;
+    use codex_utils_absolute_path::test_support::PathExt;
     use pretty_assertions::assert_eq;
     use serde_json::Value;
     use serde_json::json;
@@ -900,7 +901,7 @@ mod tests {
             write_session_file(home.path(), "2025-01-03T14-20-00", uuid).expect("session file");
         let original_rollout = std::fs::read_to_string(&rollout_path).expect("read rollout");
         let runtime = codex_state::StateRuntime::init(
-            home.path().to_path_buf(),
+            config.sqlite.clone(),
             config.default_model_provider_id.clone(),
         )
         .await
@@ -1009,7 +1010,7 @@ mod tests {
         .expect("session file");
         let original_rollout = std::fs::read_to_string(&path).expect("read rollout");
         let runtime = codex_state::StateRuntime::init(
-            home.path().to_path_buf(),
+            config.sqlite.clone(),
             config.default_model_provider_id.clone(),
         )
         .await
@@ -1101,7 +1102,7 @@ mod tests {
         let path =
             write_session_file(home.path(), "2025-01-03T14-30-00", uuid).expect("session file");
         let runtime = codex_state::StateRuntime::init(
-            home.path().to_path_buf(),
+            codex_state::SqliteConfig::new_for_testing(home.path().abs()),
             config.default_model_provider_id.clone(),
         )
         .await
@@ -1147,7 +1148,7 @@ mod tests {
         .expect("session file");
         let original_rollout = std::fs::read_to_string(&path).expect("read rollout");
         let runtime = codex_state::StateRuntime::init(
-            home.path().to_path_buf(),
+            codex_state::SqliteConfig::new_for_testing(home.path().abs()),
             config.default_model_provider_id.clone(),
         )
         .await
@@ -1244,7 +1245,7 @@ mod tests {
         let path =
             write_session_file(home.path(), "2025-01-03T18-30-00", uuid).expect("session file");
         let runtime = codex_state::StateRuntime::init(
-            config.sqlite.home().to_path_buf(),
+            config.sqlite.clone(),
             config.default_model_provider_id.clone(),
         )
         .await
@@ -1349,7 +1350,7 @@ mod tests {
         let home = TempDir::new().expect("temp dir");
         let config = test_config(home.path());
         let runtime = codex_state::StateRuntime::init(
-            config.sqlite.home().to_path_buf(),
+            config.sqlite.clone(),
             config.default_model_provider_id.clone(),
         )
         .await
@@ -1392,7 +1393,7 @@ mod tests {
         let home = TempDir::new().expect("temp dir");
         let config = test_config(home.path());
         let runtime = codex_state::StateRuntime::init(
-            config.sqlite.home().to_path_buf(),
+            config.sqlite.clone(),
             config.default_model_provider_id.clone(),
         )
         .await
@@ -1447,7 +1448,7 @@ mod tests {
         let home = TempDir::new().expect("temp dir");
         let config = test_config(home.path());
         let runtime = codex_state::StateRuntime::init(
-            config.sqlite.home().to_path_buf(),
+            config.sqlite.clone(),
             config.default_model_provider_id.clone(),
         )
         .await
@@ -1505,7 +1506,7 @@ mod tests {
         let home = TempDir::new().expect("temp dir");
         let config = test_config(home.path());
         let runtime = codex_state::StateRuntime::init(
-            config.sqlite.home().to_path_buf(),
+            config.sqlite.clone(),
             config.default_model_provider_id.clone(),
         )
         .await
@@ -1708,7 +1709,7 @@ mod tests {
         let home = TempDir::new().expect("temp dir");
         let config = test_config(home.path());
         let runtime = codex_state::StateRuntime::init(
-            home.path().to_path_buf(),
+            codex_state::SqliteConfig::new_for_testing(home.path().abs()),
             config.default_model_provider_id.clone(),
         )
         .await
@@ -1809,7 +1810,7 @@ mod tests {
         let home = TempDir::new().expect("temp dir");
         let config = test_config(home.path());
         let runtime = codex_state::StateRuntime::init(
-            home.path().to_path_buf(),
+            codex_state::SqliteConfig::new_for_testing(home.path().abs()),
             config.default_model_provider_id.clone(),
         )
         .await
@@ -1852,7 +1853,7 @@ mod tests {
         let home = TempDir::new().expect("temp dir");
         let config = test_config(home.path());
         let runtime = codex_state::StateRuntime::init(
-            home.path().to_path_buf(),
+            codex_state::SqliteConfig::new_for_testing(home.path().abs()),
             config.default_model_provider_id.clone(),
         )
         .await
@@ -1910,7 +1911,7 @@ mod tests {
         let home = TempDir::new().expect("temp dir");
         let config = test_config(home.path());
         let runtime = codex_state::StateRuntime::init(
-            home.path().to_path_buf(),
+            codex_state::SqliteConfig::new_for_testing(home.path().abs()),
             config.default_model_provider_id.clone(),
         )
         .await
@@ -1957,7 +1958,7 @@ mod tests {
         )
         .expect("session file");
         let runtime = codex_state::StateRuntime::init(
-            home.path().to_path_buf(),
+            codex_state::SqliteConfig::new_for_testing(home.path().abs()),
             config.default_model_provider_id.clone(),
         )
         .await
@@ -1997,7 +1998,7 @@ mod tests {
         write_archived_session_file(home.path(), "2025-01-03T19-30-00", uuid)
             .expect("archived session file");
         let runtime = codex_state::StateRuntime::init(
-            home.path().to_path_buf(),
+            codex_state::SqliteConfig::new_for_testing(home.path().abs()),
             config.default_model_provider_id.clone(),
         )
         .await
@@ -2033,7 +2034,7 @@ mod tests {
         let home = TempDir::new().expect("temp dir");
         let config = test_config(home.path());
         let runtime = codex_state::StateRuntime::init(
-            home.path().to_path_buf(),
+            codex_state::SqliteConfig::new_for_testing(home.path().abs()),
             config.default_model_provider_id.clone(),
         )
         .await
@@ -2103,7 +2104,7 @@ mod tests {
         let archived_path = write_archived_session_file(home.path(), "2025-01-03T16-00-00", uuid)
             .expect("archived session file");
         let runtime = codex_state::StateRuntime::init(
-            home.path().to_path_buf(),
+            codex_state::SqliteConfig::new_for_testing(home.path().abs()),
             config.default_model_provider_id.clone(),
         )
         .await
@@ -2166,7 +2167,7 @@ mod tests {
         let archived_path = write_archived_session_file(home.path(), "2025-01-03T16-30-00", uuid)
             .expect("archived session file");
         let runtime = codex_state::StateRuntime::init(
-            home.path().to_path_buf(),
+            codex_state::SqliteConfig::new_for_testing(home.path().abs()),
             config.default_model_provider_id.clone(),
         )
         .await
diff --git a/codex-rs/tui/src/app/tests.rs b/codex-rs/tui/src/app/tests.rs
index 66eae6967103..7d70bd1d9be5 100644
--- a/codex-rs/tui/src/app/tests.rs
+++ b/codex-rs/tui/src/app/tests.rs
@@ -18,6 +18,7 @@ use crate::app_backtrack::BacktrackSelection;
 use crate::app_backtrack::BacktrackState;
 use crate::app_backtrack::user_count;
 use crate::app_event::HistoryBatchEntryResponse;
+use codex_utils_absolute_path::test_support::PathExt;
 
 use crate::chatwidget::ChatWidgetInit;
 use crate::chatwidget::create_initial_user_message;
@@ -2249,7 +2250,7 @@ fn update_memory_settings_updates_current_thread_memory_mode() -> Result<()> {
         let (mut app, _app_event_rx, _op_rx) = Box::pin(make_test_app_with_channels()).await;
         let codex_home = tempdir()?;
         app.config.codex_home = codex_home.path().to_path_buf().abs();
-        app.config.sqlite_home = codex_home.path().to_path_buf();
+        app.config.sqlite = codex_state::SqliteConfig::new_for_testing(codex_home.path().abs());
         // Seed the previous setting so this test exercises the thread-mode update path.
         app.config.memories.generate_memories = true;
 
@@ -2267,7 +2268,7 @@ fn update_memory_settings_updates_current_thread_memory_mode() -> Result<()> {
         .await;
 
         let state_db = codex_state::StateRuntime::init(
-            codex_home.path().to_path_buf(),
+            codex_state::SqliteConfig::new_for_testing(codex_home.path().abs()),
             app.config.model_provider_id.clone(),
         )
         .await
@@ -2289,7 +2290,7 @@ async fn reset_memories_clears_local_memory_directories() -> Result<()> {
         let (mut app, _app_event_rx, _op_rx) = Box::pin(make_test_app_with_channels()).await;
         let codex_home = tempdir()?;
         app.config.codex_home = codex_home.path().to_path_buf().abs();
-        app.config.sqlite_home = codex_home.path().to_path_buf();
+        app.config.sqlite = codex_state::SqliteConfig::new_for_testing(codex_home.path().abs());
 
         let memory_root = codex_home.path().join("memories");
         let extensions_root = memory_root.join("extensions");
diff --git a/codex-rs/tui/src/app/tests/advanced_reasoning_tests.rs b/codex-rs/tui/src/app/tests/advanced_reasoning_tests.rs
index 662a16bfc113..14e757990ab7 100644
--- a/codex-rs/tui/src/app/tests/advanced_reasoning_tests.rs
+++ b/codex-rs/tui/src/app/tests/advanced_reasoning_tests.rs
@@ -1,5 +1,6 @@
 use super::*;
 use app_test_support::create_fake_rollout;
+use codex_utils_absolute_path::test_support::PathExt;
 use pretty_assertions::assert_eq;
 
 #[tokio::test]
@@ -7,7 +8,7 @@ async fn fork_current_session_preserves_conversation_ultra() -> Result<()> {
     let mut app = make_test_app().await;
     let codex_home = tempdir()?;
     app.config.codex_home = codex_home.path().to_path_buf().abs();
-    app.config.sqlite_home = codex_home.path().to_path_buf();
+    app.config.sqlite = codex_state::SqliteConfig::new_for_testing(codex_home.path().abs());
     let source_thread_id = ThreadId::from_string(
         &create_fake_rollout(
             codex_home.path(),
diff --git a/codex-rs/tui/src/app/tests/safety_buffering.rs b/codex-rs/tui/src/app/tests/safety_buffering.rs
index 324cdc2e3a29..f6fb2e21a6ed 100644
--- a/codex-rs/tui/src/app/tests/safety_buffering.rs
+++ b/codex-rs/tui/src/app/tests/safety_buffering.rs
@@ -4,6 +4,7 @@ use crate::app::session_lifecycle::ThreadAttachPresentation;
 use crate::chatwidget::UserMessage;
 use codex_app_server_client::AppServerEvent;
 use codex_app_server_protocol::ModelSafetyBufferingUpdatedNotification;
+use codex_utils_absolute_path::test_support::PathExt;
 use core_test_support::responses;
 use core_test_support::responses::ev_assistant_message;
 use core_test_support::responses::ev_completed;
@@ -268,7 +269,7 @@ goals = true
         ),
     )?;
     app.config.codex_home = codex_home.path().to_path_buf().abs();
-    app.config.sqlite_home = codex_home.path().to_path_buf();
+    app.config.sqlite = codex_state::SqliteConfig::new_for_testing(codex_home.path().abs());
     app.config.model = Some(CURRENT_MODEL.to_string());
     app.config.model_provider_id = MODEL_PROVIDER_ID.to_string();
     app.config.model_provider = ModelProviderInfo {
@@ -320,7 +321,7 @@ goals = true
     }
 
     let state_db = codex_state::StateRuntime::init(
-        app.config.sqlite_home.clone(),
+        app.config.sqlite.clone(),
         app.config.model_provider_id.clone(),
     )
     .await
diff --git a/codex-rs/tui/src/app/tests/session_lifecycle_requests.rs b/codex-rs/tui/src/app/tests/session_lifecycle_requests.rs
index 6f705358741c..41161eb4ee52 100644
--- a/codex-rs/tui/src/app/tests/session_lifecycle_requests.rs
+++ b/codex-rs/tui/src/app/tests/session_lifecycle_requests.rs
@@ -8,6 +8,7 @@ use codex_app_server_protocol::JSONRPCError;
 use codex_app_server_protocol::JSONRPCMessage;
 use codex_app_server_protocol::JSONRPCResponse;
 use codex_protocol::AgentPath;
+use codex_state::SqliteConfig;
 use futures::SinkExt;
 use futures::StreamExt;
 use pretty_assertions::assert_eq;
@@ -152,7 +153,7 @@ fn fresh_session_applies_requested_name() -> Result<()> {
                 let mut app = make_test_app().await;
                 let codex_home = tempdir()?;
                 app.config.codex_home = codex_home.path().to_path_buf().abs();
-                app.config.sqlite_home = codex_home.path().to_path_buf();
+                app.config.sqlite = SqliteConfig::new_for_testing(codex_home.path().abs());
                 let (mut app_server, requests, proxy) =
                     start_recording_app_server(&app.config).await?;
                 let mut tui = crate::tui::test_support::make_test_tui()?;
@@ -208,7 +209,8 @@ fn session_lifecycle_avoids_redundant_subagent_metadata_reads() -> Result<()> {
                 let mut app = make_test_app().await;
                 let codex_home = tempdir()?;
                 app.config.codex_home = codex_home.path().to_path_buf().abs();
-                app.config.sqlite_home = codex_home.path().to_path_buf();
+                app.config.sqlite =
+                    codex_state::SqliteConfig::new_for_testing(codex_home.path().abs());
                 let root_timestamp = "2026-01-01T00-00-00";
                 let root_thread_id = ThreadId::from_string(
                     &create_fake_rollout(
diff --git a/codex-rs/tui/src/chatwidget/tests/helpers.rs b/codex-rs/tui/src/chatwidget/tests/helpers.rs
index fe392481f645..21928bea9d93 100644
--- a/codex-rs/tui/src/chatwidget/tests/helpers.rs
+++ b/codex-rs/tui/src/chatwidget/tests/helpers.rs
@@ -1,6 +1,7 @@
 use super::*;
 use codex_app_server_protocol::ImageGenerationItem;
 use codex_app_server_protocol::PluginAvailability;
+use codex_utils_absolute_path::test_support::PathExt;
 use pretty_assertions::assert_eq;
 
 pub(super) async fn test_config() -> Config {
@@ -15,7 +16,7 @@ pub(super) async fn test_config() -> Config {
             .await
             .expect("config");
     config.codex_home = codex_home.abs();
-    config.sqlite_home = codex_home.clone();
+    config.sqlite = codex_state::SqliteConfig::new_for_testing(codex_home.as_path().abs());
     config.log_dir = codex_home.join("log");
     config.cwd = PathBuf::from(test_path_display("/tmp/project")).abs();
     config.config_layer_stack = ConfigLayerStack::default();
diff --git a/codex-rs/tui/src/lib.rs b/codex-rs/tui/src/lib.rs
index 83eb28f8a654..ac7b57bb4836 100644
--- a/codex-rs/tui/src/lib.rs
+++ b/codex-rs/tui/src/lib.rs
@@ -290,15 +290,7 @@ async fn init_state_db_for_app_server_target(
     match app_server_target {
         AppServerTarget::Embedded => state_db::try_init(config).await.map(Some).map_err(|err| {
             let database_path = codex_state::runtime_db_path_for_corruption_error(&err)
-                .unwrap_or_else(|| {
-                    codex_state::SqliteConfig::from_sqlite_home(
-                        AbsolutePathBuf::resolve_path_against_base(
-                            &config.sqlite_home,
-                            &config.codex_home,
-                        ),
-                    )
-                    .state_db_path()
-                });
+                .unwrap_or_else(|| config.sqlite_config().state_db_path());
             std::io::Error::other(LocalStateDbStartupError::new(
                 database_path,
                 format!("{err:#}"),
@@ -3024,7 +3016,7 @@ mod tests {
             std::fs::write(&rollout_path, "")?;
 
             let state_runtime = codex_state::StateRuntime::init(
-                config.codex_home.to_path_buf(),
+                codex_state::SqliteConfig::new_for_testing(config.codex_home.as_path().abs()),
                 config.model_provider_id.clone(),
             )
             .await
@@ -3111,7 +3103,9 @@ mod tests {
         let mut config = build_config(&temp_dir).await?;
         let occupied_sqlite_home = temp_dir.path().join("sqlite-home");
         std::fs::write(&occupied_sqlite_home, "occupied")?;
-        config.sqlite_home = occupied_sqlite_home.clone();
+        let sqlite =
+            codex_state::SqliteConfig::new_for_testing(occupied_sqlite_home.as_path().abs());
+        config.sqlite = sqlite.clone();
 
         let err =
             match init_state_db_for_app_server_target(&config, &AppServerTarget::Embedded).await {
@@ -3125,9 +3119,7 @@ mod tests {
 
         assert_eq!(
             startup_error.state_db_path(),
-            codex_state::SqliteConfig::new_for_testing(config.sqlite_home.as_path().abs())
-                .state_db_path()
-                .as_path()
+            sqlite.state_db_path().as_path()
         );
         assert!(
             startup_error
@@ -3145,10 +3137,10 @@ mod tests {
         let mut config = build_config(&temp_dir).await?;
         let sqlite_home = temp_dir.path().join("sqlite-home");
         std::fs::create_dir_all(&sqlite_home)?;
-        let logs_db_path =
-            codex_state::SqliteConfig::new_for_testing(sqlite_home.as_path().abs()).logs_db_path();
+        let sqlite = codex_state::SqliteConfig::new_for_testing(sqlite_home.as_path().abs());
+        let logs_db_path = sqlite.logs_db_path();
         std::fs::write(&logs_db_path, "not a sqlite database")?;
-        config.sqlite_home = sqlite_home;
+        config.sqlite = sqlite;
 
         let err =
             match init_state_db_for_app_server_target(&config, &AppServerTarget::Embedded).await {
diff --git a/codex-rs/tui/src/session_resume.rs b/codex-rs/tui/src/session_resume.rs
index 2e86baed4bc1..4d84497e52e6 100644
--- a/codex-rs/tui/src/session_resume.rs
+++ b/codex-rs/tui/src/session_resume.rs
@@ -243,6 +243,7 @@ async fn read_rollout_resume_state(path: &Path) -> io::Result<RolloutResumeState
 #[cfg(test)]
 mod tests {
     use super::*;
+    use codex_utils_absolute_path::test_support::PathExt;
     use pretty_assertions::assert_eq;
     use tempfile::TempDir;
 
@@ -435,10 +436,12 @@ mod tests {
                 ),
             ],
         )?;
-        let state_runtime =
-            StateRuntime::init(temp_dir.path().to_path_buf(), "test-provider".to_string())
-                .await
-                .map_err(std::io::Error::other)?;
+        let state_runtime = StateRuntime::init(
+            codex_state::SqliteConfig::new_for_testing(temp_dir.path().abs()),
+            "test-provider".to_string(),
+        )
+        .await
+        .map_err(std::io::Error::other)?;
         let created_at = chrono::DateTime::parse_from_rfc3339("2025-01-05T12:00:00Z")
             .expect("timestamp should parse")
             .with_timezone(&chrono::Utc);