diff --git a/.github/workflows/ci-extraction-service.yml b/.github/workflows/ci-extraction-service.yml
index 5cd263b9..7da8b38a 100644
--- a/.github/workflows/ci-extraction-service.yml
+++ b/.github/workflows/ci-extraction-service.yml
@@ -22,29 +22,14 @@ on:
 jobs:
   typescript:
     name: TypeScript (build + test)
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-
-      - uses: pnpm/action-setup@v4
-        with:
-          version: 10
-
-      - uses: actions/setup-node@v4
-        with:
-          node-version: 22
-          cache: pnpm
-
-      - run: pnpm install --frozen-lockfile
-
-      - name: Build packages + service
-        run: pnpm -r --filter @lysnrai/extraction-service... build
-
-      - name: Run tests
-        run: pnpm --filter @lysnrai/extraction-service test
-
-      - name: Type check
-        run: pnpm --filter @lysnrai/extraction-service exec tsc --noEmit
+    uses: ./.github/workflows/reusable-pnpm-workspace.yml
+    with:
+      node-version: '22'
+      pnpm-version: '10'
+      command: |
+        pnpm -r --filter @lysnrai/extraction-service... build
+        pnpm --filter @lysnrai/extraction-service test
+        pnpm --filter @lysnrai/extraction-service exec tsc --noEmit
 
   python:
     name: Python sidecar (lint + test)
diff --git a/.github/workflows/reusable-pnpm-workspace.yml b/.github/workflows/reusable-pnpm-workspace.yml
new file mode 100644
index 00000000..e68b6f03
--- /dev/null
+++ b/.github/workflows/reusable-pnpm-workspace.yml
@@ -0,0 +1,43 @@
+name: Reusable — pnpm Workspace
+
+on:
+  workflow_call:
+    inputs:
+      node-version:
+        type: string
+        default: '20'
+      pnpm-version:
+        type: string
+        default: '10'
+      command:
+        type: string
+        required: true
+      timeout-minutes:
+        type: number
+        default: 10
+
+jobs:
+  run:
+    name: Run
+    runs-on: ubuntu-latest
+    timeout-minutes: ${{ inputs.timeout-minutes }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          version: ${{ inputs.pnpm-version }}
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ inputs.node-version }}
+          cache: pnpm
+
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Run command
+        run: ${{ inputs.command }}
diff --git a/docs/workstreams/ALL_OTHER_WORKSTREAMS_REMAINING.md b/docs/workstreams/ALL_OTHER_WORKSTREAMS_REMAINING.md
index 1242a3b0..4a27195e 100644
--- a/docs/workstreams/ALL_OTHER_WORKSTREAMS_REMAINING.md
+++ b/docs/workstreams/ALL_OTHER_WORKSTREAMS_REMAINING.md
@@ -21,6 +21,7 @@
 - 2026-02-15: Removed MindLyst KMP build verification from this non-mobile checklist (tracked in `docs/workstreams/MOBILE_WORKSTREAM_REMAINING.md`)
 - 2026-02-15: Verified `extraction-service` Dockerfile build (`docker compose build extraction-service`)
 - 2026-02-15: Added Changesets (`.changeset/`) for versioning + changelog automation (**7.2**)
+- 2026-02-15: Added reusable GitHub Actions workflow template (`.github/workflows/reusable-pnpm-workspace.yml`) (**7.3**)
 
 ## Prereqs (Local)
 
@@ -80,7 +81,7 @@ Publishing + repo hygiene
 
 - [ ] **7.1** Publish `@bytelyst/*` packages to GitHub Packages (private npm registry)
 - [x] **7.2** Add Changesets for automated version management and changelogs
-- [ ] **7.3** Create reusable GitHub Actions workflow templates for service CI
+- [x] **7.3** Create reusable GitHub Actions workflow templates for service CI
 - [x] **7.4** Add `@bytelyst/blob` package (extract blob storage client + SAS generation)
 - [x] **7.5** Add `@bytelyst/monitoring` package (health check aggregator)
 - [ ] **7.7** Evaluate Python shared package for `cosmos_client.py` + `blob_client.py` if MindLyst adds Python backend