ci(web): wire the existing eslint config into CI as a blocking gate

.github/workflows/ci.yml

@@ -91,6 +91,15 @@ jobs:
         working-directory: web
         run: pnpm typecheck
 
+      # web/package.json's "name" field is "ntask" (not @ntask/web), so this
+      # is the correct --filter target. Blocking, not continue-on-error: the
+      # lint config and script have been fully working locally with zero
+      # errors since ntask/web/eslint.config.mjs and web/package.json's
+      # "lint": "eslint ." script were added — it was simply never invoked in
+      # CI (P6-E11-W2-S4-T25).
+      - name: Lint
+        run: pnpm --filter ntask lint
+
       - name: Unit tests
         working-directory: web
         run: pnpm test

web/package.json

@@ -63,6 +63,7 @@
     "@vitejs/plugin-react": "^4.7.0",
     "@vitest/coverage-istanbul": "^3.2.6",
     "eslint": "^9.32.0",
+    "eslint-plugin-react-hooks": "^7.1.1",
     "jest-axe": "^10.0.0",
     "jsdom": "^25.0.0",
     "size-limit": "^11.1.6",