refactor: rename sprout backend to buzz

.github/CODEOWNERS

@@ -1 +1,2 @@
-* @block/sprout-oss-team
+# TODO: verify @block/buzz-oss-team exists in GitHub org
+* @block/buzz-oss-team

.github/workflows/ci.yml

@@ -262,37 +262,37 @@ jobs:
             docker logs "${container}" || true
             return 1
           }
-          wait_healthy "Postgres" "sprout-postgres"
-          wait_healthy "Redis" "sprout-redis"
-          wait_healthy "Typesense" "sprout-typesense"
-          wait_healthy "MinIO" "sprout-minio"
+          wait_healthy "Postgres" "buzz-postgres"
+          wait_healthy "Redis" "buzz-redis"
+          wait_healthy "Typesense" "buzz-typesense"
+          wait_healthy "MinIO" "buzz-minio"
       - name: Apply database schema
         run: ./bin/pgschema apply --file schema/schema.sql --auto-approve
         env:
           PGHOST: localhost
           PGPORT: "5432"
-          PGUSER: sprout
-          PGPASSWORD: sprout_dev
-          PGDATABASE: sprout
+          PGUSER: buzz
+          PGPASSWORD: buzz_dev
+          PGDATABASE: buzz
       - name: Build relay
-        run: cargo build --profile ci -p sprout-relay
+        run: cargo build --profile ci -p buzz-relay
       - name: Start relay
         run: |
           nohup env \
-            DATABASE_URL=postgres://sprout:sprout_dev@localhost:5432/sprout \
+            DATABASE_URL=postgres://buzz:buzz_dev@localhost:5432/buzz \
             REDIS_URL=redis://localhost:6379 \
             TYPESENSE_URL=http://localhost:8108 \
-            TYPESENSE_API_KEY=sprout_dev_key \
+            TYPESENSE_API_KEY=buzz_dev_key \
             RELAY_URL=ws://localhost:3000 \
-            SPROUT_BIND_ADDR=0.0.0.0:3000 \
-            SPROUT_REQUIRE_AUTH_TOKEN=false \
-            SPROUT_RECONCILE_CHANNELS=true \
-            SPROUT_GIT_PROBE_WRITERS=8 \
-            ./target/ci/sprout-relay > /tmp/sprout-relay.log 2>&1 &
-          echo $! > /tmp/sprout-relay.pid
+            BUZZ_BIND_ADDR=0.0.0.0:3000 \
+            BUZZ_REQUIRE_AUTH_TOKEN=false \
+            BUZZ_RECONCILE_CHANNELS=true \
+            BUZZ_GIT_PROBE_WRITERS=8 \
+            ./target/ci/buzz-relay > /tmp/buzz-relay.log 2>&1 &
+          echo $! > /tmp/buzz-relay.pid
           for attempt in $(seq 1 60); do
-            if ! kill -0 "$(cat /tmp/sprout-relay.pid)" 2>/dev/null; then
-              cat /tmp/sprout-relay.log
+            if ! kill -0 "$(cat /tmp/buzz-relay.pid)" 2>/dev/null; then
+              cat /tmp/buzz-relay.log
               exit 1
             fi
             status_code=$(curl -s -o /dev/null -w "%{http_code}" http://127.0.0.1:3000/_readiness || true)
@@ -301,7 +301,7 @@ jobs:
             fi
             sleep 1
           done
-          cat /tmp/sprout-relay.log
+          cat /tmp/buzz-relay.log
           exit 1
       - name: Seed desktop e2e data
         run: bash scripts/setup-desktop-test-data.sh
@@ -315,7 +315,7 @@ jobs:
           path: |
             desktop/playwright-report
             desktop/test-results
-            /tmp/sprout-relay.log
+            /tmp/buzz-relay.log
           if-no-files-found: ignore
       - name: Save pnpm store cache
         if: github.event_name == 'push'
@@ -444,10 +444,10 @@ jobs:
           TARGET: ${{ matrix.target }}
         run: |
           cross build --release --target "$TARGET" \
-            -p sprout-relay \
-            -p sprout-acp \
-            -p sprout-agent \
-            -p sprout-dev-mcp \
+            -p buzz-relay \
+            -p buzz-acp \
+            -p buzz-agent \
+            -p buzz-dev-mcp \
             -p git-credential-nostr \
             -p git-sign-nostr
 
@@ -472,11 +472,11 @@ jobs:
         run: |
           TARGET=$(rustc -vV | sed -n 's|host: ||p')
           mkdir -p desktop/src-tauri/binaries
-          touch "desktop/src-tauri/binaries/sprout-acp-$TARGET"
-          touch "desktop/src-tauri/binaries/sprout-agent-$TARGET"
-          touch "desktop/src-tauri/binaries/sprout-dev-mcp-$TARGET"
+          touch "desktop/src-tauri/binaries/buzz-acp-$TARGET"
+          touch "desktop/src-tauri/binaries/buzz-agent-$TARGET"
+          touch "desktop/src-tauri/binaries/buzz-dev-mcp-$TARGET"
           touch "desktop/src-tauri/binaries/git-credential-nostr-$TARGET"
-          touch "desktop/src-tauri/binaries/sprout-$TARGET"
+          touch "desktop/src-tauri/binaries/buzz-$TARGET"
       # Mesh rev is derived from Cargo.lock so a dependency bump needs no
       # lockstep edit here; the cache key tracks it automatically.
       - name: Resolve mesh-llm rev

.github/workflows/release.yml

@@ -67,12 +67,12 @@ jobs:
       - name: Generate release config
         run: cd desktop && node scripts/build-release-config.mjs
         env:
-          SPROUT_UPDATER_PUBLIC_KEY: ${{ secrets.SPROUT_UPDATER_PUBLIC_KEY }}
-          SPROUT_UPDATER_ENDPOINT: https://github.com/block/sprout/releases/download/sprout-desktop-latest/latest.json
+          BUZZ_UPDATER_PUBLIC_KEY: ${{ secrets.BUZZ_UPDATER_PUBLIC_KEY }}
+          BUZZ_UPDATER_ENDPOINT: https://github.com/block/sprout/releases/download/buzz-desktop-latest/latest.json
 
       - name: Build sidecars
         run: |
-          cargo build --release -p sprout-acp -p sprout-agent -p sprout-dev-mcp -p git-credential-nostr -p sprout-cli
+          cargo build --release -p buzz-acp -p buzz-agent -p buzz-dev-mcp -p git-credential-nostr -p buzz-cli
           ./scripts/bundle-sidecars.sh
 
       # Mesh rev derived from Cargo.lock (no lockstep edit on dep bump); cache key tracks it.
@@ -118,8 +118,8 @@ jobs:
       - name: Build unsigned Tauri app
         run: cd desktop && pnpm tauri build --verbose --no-sign --config src-tauri/tauri.release.conf.json
         env:
-          SPROUT_UPDATER_PUBLIC_KEY: ${{ secrets.SPROUT_UPDATER_PUBLIC_KEY }}
-          SPROUT_UPDATER_ENDPOINT: https://github.com/block/sprout/releases/download/sprout-desktop-latest/latest.json
+          BUZZ_UPDATER_PUBLIC_KEY: ${{ secrets.BUZZ_UPDATER_PUBLIC_KEY }}
+          BUZZ_UPDATER_ENDPOINT: https://github.com/block/sprout/releases/download/buzz-desktop-latest/latest.json
           TAURI_SIGNING_PRIVATE_KEY: ${{ secrets.TAURI_SIGNING_PRIVATE_KEY }}
           TAURI_SIGNING_PRIVATE_KEY_PASSWORD: ${{ secrets.TAURI_SIGNING_PRIVATE_KEY_PASSWORD }}
           CMAKE_POLICY_VERSION_MINIMUM: "3.5"
@@ -148,7 +148,7 @@ jobs:
           codesign-s3-bucket: ${{ secrets.CODESIGN_S3_BUCKET }}
           unsigned-artifact-path: ${{ steps.unsigned.outputs.dmg }}
           entitlements-plist-path: desktop/src-tauri/Entitlements.plist
-          artifact-name: sprout-${{ github.sha }}-${{ github.run_id }}-arm64
+          artifact-name: buzz-${{ github.sha }}-${{ github.run_id }}-arm64
 
       - name: Replace DMG and rebuild updater archive
         env:
@@ -214,7 +214,7 @@ jobs:
           bash desktop/scripts/generate-oss-latest-json.sh \
             "$VERSION" \
             "$SIG_PATH" \
-            "https://github.com/block/sprout/releases/download/sprout-desktop-latest/$ARCHIVE_NAME" \
+            "https://github.com/block/sprout/releases/download/buzz-desktop-latest/$ARCHIVE_NAME" \
             > latest.json
           cat latest.json
         env:
@@ -244,12 +244,12 @@ jobs:
 
       - name: Update rolling release for auto-updater
         run: |
-          gh release create sprout-desktop-latest \
+          gh release create buzz-desktop-latest \
             --prerelease \
             --title "Sprout Desktop Auto-Update" \
             --notes "Rolling release for the Tauri auto-updater. Do not download manually — use the versioned release instead." \
             2>/dev/null || true
-          gh release upload sprout-desktop-latest \
+          gh release upload buzz-desktop-latest \
             latest.json \
             "$ARCHIVE_PATH" \
             "$SIG_PATH" \
@@ -292,19 +292,19 @@ jobs:
       - name: Generate release config
         run: cd desktop && node scripts/build-release-config.mjs
         env:
-          SPROUT_UPDATER_PUBLIC_KEY: ${{ secrets.SPROUT_UPDATER_PUBLIC_KEY }}
-          SPROUT_UPDATER_ENDPOINT: https://github.com/block/sprout/releases/download/sprout-desktop-latest/latest.json
+          BUZZ_UPDATER_PUBLIC_KEY: ${{ secrets.BUZZ_UPDATER_PUBLIC_KEY }}
+          BUZZ_UPDATER_ENDPOINT: https://github.com/block/sprout/releases/download/buzz-desktop-latest/latest.json
 
       - name: Build sidecars
         run: |
-          cargo build --release --target "$TARGET" -p sprout-acp -p sprout-agent -p sprout-dev-mcp -p git-credential-nostr -p sprout-cli
+          cargo build --release --target "$TARGET" -p buzz-acp -p buzz-agent -p buzz-dev-mcp -p git-credential-nostr -p buzz-cli
           ./scripts/bundle-sidecars.sh "$TARGET"
 
       - name: Build unsigned Tauri app
         run: cd desktop && pnpm tauri build --verbose --no-sign --target "$TARGET" --config src-tauri/tauri.release.conf.json
         env:
-          SPROUT_UPDATER_PUBLIC_KEY: ${{ secrets.SPROUT_UPDATER_PUBLIC_KEY }}
-          SPROUT_UPDATER_ENDPOINT: https://github.com/block/sprout/releases/download/sprout-desktop-latest/latest.json
+          BUZZ_UPDATER_PUBLIC_KEY: ${{ secrets.BUZZ_UPDATER_PUBLIC_KEY }}
+          BUZZ_UPDATER_ENDPOINT: https://github.com/block/sprout/releases/download/buzz-desktop-latest/latest.json
           TAURI_SIGNING_PRIVATE_KEY: ${{ secrets.TAURI_SIGNING_PRIVATE_KEY }}
           TAURI_SIGNING_PRIVATE_KEY_PASSWORD: ${{ secrets.TAURI_SIGNING_PRIVATE_KEY_PASSWORD }}
           CMAKE_POLICY_VERSION_MINIMUM: "3.5"
@@ -330,7 +330,7 @@ jobs:
           codesign-s3-bucket: ${{ secrets.CODESIGN_S3_BUCKET }}
           unsigned-artifact-path: ${{ steps.unsigned.outputs.dmg }}
           entitlements-plist-path: desktop/src-tauri/Entitlements.plist
-          artifact-name: sprout-${{ github.sha }}-${{ github.run_id }}-x64
+          artifact-name: buzz-${{ github.sha }}-${{ github.run_id }}-x64
 
       - name: Replace DMG and signed .app
         env:
@@ -422,7 +422,7 @@ jobs:
 
       - name: Build sidecars
         run: |
-          cargo build --release -p sprout-acp -p sprout-agent -p sprout-dev-mcp -p git-credential-nostr -p sprout-cli
+          cargo build --release -p buzz-acp -p buzz-agent -p buzz-dev-mcp -p git-credential-nostr -p buzz-cli
           ./scripts/bundle-sidecars.sh
 
       - name: Build Linux Tauri app

.github/workflows/sprig.yml

@@ -1,9 +1,9 @@
 name: Sprig
 
 # Builds and publishes Sprig — one deploy-anywhere Linux multicall binary for:
-#   sprout-acp       ACP harness that bridges Sprout events to the LLM agent
-#   sprout-agent     ACP-compliant agent (spawns MCP, calls LLMs)
-#   sprout-dev-mcp   Developer MCP server (multicall: rg, tree, sprout,
+#   buzz-acp       ACP harness that bridges Sprout events to the LLM agent
+#   buzz-agent     ACP-compliant agent (spawns MCP, calls LLMs)
+#   buzz-dev-mcp   Developer MCP server (multicall: rg, tree, buzz,
 #                    git-credential-nostr, git-sign-nostr)
 #
 # Targets: x86_64-unknown-linux-musl and aarch64-unknown-linux-musl (static
@@ -137,7 +137,7 @@ jobs:
           set -euo pipefail
           TAG="sprig-latest"
           TITLE="Sprig (rolling)"
-          NOTES="Rolling Linux build of Sprig (all-in-one sprout-acp + sprout-agent + sprout-dev-mcp), tracking \`main\` (\`${SHA}\`)."
+          NOTES="Rolling Linux build of Sprig (all-in-one buzz-acp + buzz-agent + buzz-dev-mcp), tracking \`main\` (\`${SHA}\`)."
 
           if gh api "repos/${REPO}/git/refs/tags/${TAG}" >/dev/null 2>&1; then
             gh api -X PATCH "repos/${REPO}/git/refs/tags/${TAG}" \
@@ -197,5 +197,5 @@ jobs:
           set -euo pipefail
           gh release create "$TAG" \
             --title "Sprig v${VERSION}" \
-            --notes "Sprig v${VERSION} — Linux all-in-one builds of sprout-acp + sprout-agent + sprout-dev-mcp." \
+            --notes "Sprig v${VERSION} — Linux all-in-one builds of buzz-acp + buzz-agent + buzz-dev-mcp." \
             dist/*