ci: add test step to CI pipeline

Add test task to turbo.json and include it in the build-and-typecheck
job. Turbo handles the dependency graph: builds deps first, then runs
typecheck and test in parallel for each package.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.github/workflows/ci.yml

@@ -59,5 +59,5 @@ jobs:
             turbo-${{ runner.os }}-${{ hashFiles('pnpm-lock.yaml') }}-
             turbo-${{ runner.os }}-
 
-      - name: Build and type check
-        run: pnpm turbo build typecheck
+      - name: Build, type check, and test
+        run: pnpm turbo build typecheck test

turbo.json

@@ -18,6 +18,11 @@
       "inputs": ["src/**", "package.json", "tsconfig.json"],
       "outputs": []
     },
+    "test": {
+      "dependsOn": ["^build"],
+      "inputs": ["src/**", "package.json", "tsconfig.json", "vitest.config.*"],
+      "outputs": []
+    },
     "lint": {
       "inputs": ["src/**", "package.json", "eslint.config.*", ".eslintrc.*"],
       "outputs": []