Add doctor thread inventory audit

codex-rs/cli/Cargo.toml

@@ -49,6 +49,7 @@ codex-plugin = { workspace = true }
 codex-protocol = { workspace = true }
 codex-responses-api-proxy = { workspace = true }
 codex-rmcp-client = { workspace = true }
+codex-rollout = { workspace = true }
 codex-rollout-trace = { workspace = true }
 codex-sandboxing = { workspace = true }
 codex-state = { workspace = true }

codex-rs/cli/src/doctor.rs

@@ -71,6 +71,7 @@ mod output;
 mod progress;
 mod runtime;
 mod system;
+mod thread_inventory;
 mod title;
 mod updates;
 
@@ -84,6 +85,7 @@ use progress::doctor_progress;
 use runtime::runtime_check;
 use runtime::search_check;
 use system::system_check;
+use thread_inventory::thread_inventory_check;
 use title::terminal_title_check;
 use updates::updates_check;
 
@@ -362,6 +364,7 @@ async fn build_report(
                 git_check,
                 terminal_title_check,
                 state_check,
+                thread_inventory_check,
                 background_server_check,
                 reachability_check,
             ) = tokio::join!(
@@ -392,6 +395,11 @@ async fn build_report(
                     })
                 },
                 run_async_check("state", progress.clone(), state_check(config)),
+                run_async_check(
+                    "thread inventory",
+                    progress.clone(),
+                    thread_inventory_check(config),
+                ),
                 run_async_check(
                     "app-server",
                     progress.clone(),
@@ -415,6 +423,7 @@ async fn build_report(
                 git_check,
                 terminal_title_check,
                 state_check,
+                thread_inventory_check,
                 background_server_check,
                 reachability_check,
             ]);

codex-rs/cli/src/doctor/output.rs

@@ -27,6 +27,7 @@ const GROUPS: &[OutputGroup] = &[
         title: "Environment",
         keys: &[
             "system", "runtime", "install", "search", "git", "terminal", "title", "state",
+            "threads",
         ],
     },
     OutputGroup {
@@ -1340,6 +1341,28 @@ Run codex doctor without --summary for detailed diagnostics.
         assert_eq!(rendered, expected);
     }
 
+    #[test]
+    fn render_human_report_includes_threads_row_in_environment() {
+        let mut report = sample_report();
+        report.checks.push(DoctorCheck::new(
+            "state.rollout_db_parity",
+            "threads",
+            CheckStatus::Warning,
+            "rollout files and state DB thread inventory differ",
+        ));
+
+        let rendered = render_human_report(&report, summary_no_color_unicode_options());
+
+        let threads_line = rendered
+            .lines()
+            .find(|line| line.contains("threads"))
+            .expect("threads row should be rendered");
+        assert!(
+            threads_line.contains("rollout files and state DB thread inventory differ"),
+            "{threads_line}"
+        );
+    }
+
     #[test]
     fn render_human_report_supports_ascii_output() {
         let rendered = render_human_report(