Phase 5: ship (healthz, CI test gates, v1.0 README)

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

.gitea/workflows/build.yml

@@ -10,8 +10,8 @@ env:
   OWNER: ${{ github.repository_owner }}
 
 jobs:
-  typecheck-client:
-    name: TypeScript Check (client)
+  test-client:
+    name: Test (client)
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
@@ -27,11 +27,44 @@ jobs:
         working-directory: ./client
 
       - name: Type check
-        run: npx tsc --noEmit
+        run: npm run typecheck
         working-directory: ./client
 
+      - name: Unit tests
+        run: npm test
+        working-directory: ./client
+
+  test-server:
+    name: Test (server)
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: '22'
+
+      - name: Install dependencies
+        run: npm ci
+        working-directory: ./server
+
+      - name: Prisma generate
+        run: npx prisma generate
+        working-directory: ./server
+
+      - name: Type check
+        run: npm run typecheck
+        working-directory: ./server
+
+      - name: Unit tests
+        run: npm test
+        working-directory: ./server
+
   build-server:
     name: Build Server
+    needs: test-server
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
@@ -59,7 +92,7 @@ jobs:
 
   build-client:
     name: Build Client
-    needs: typecheck-client
+    needs: test-client
     runs-on: ubuntu-latest
     steps:
       - name: Checkout