refactor: dev scripts

.github/actions/check-run/action.yaml

@@ -0,0 +1,43 @@
+name: Run command with GitHub check
+description: Create a GitHub check, run a command, and complete the check based on the command outcome
+
+inputs:
+  check_name:
+    description: Check name
+    required: true
+  command:
+    description: Command to run
+    required: true
+
+runs:
+  using: composite
+  steps:
+    - uses: actions/github-script@v8
+      id: create-check
+      with:
+        script: |
+          const check = await github.rest.checks.create({
+            owner: context.repo.owner,
+            repo: context.repo.repo,
+            name: '${{ inputs.check_name }}',
+            head_sha: context.sha,
+            status: 'in_progress'
+          });
+          return check.data.id;
+    - name: Run command
+      id: run-command
+      shell: bash
+      run: ${{ inputs.command }}
+    - uses: actions/github-script@v8
+      if: always()
+      with:
+        script: |
+          const conclusion = '${{ steps.run-command.outcome }}' === 'success' ? 'success' : 'failure';
+          await github.rest.checks.update({
+            owner: context.repo.owner,
+            repo: context.repo.repo,
+            check_run_id: ${{ steps.create-check.outputs.result }},
+            status: 'completed',
+            conclusion: conclusion
+          });
+

.github/actions/pnpm-node-install/action.yaml

@@ -5,7 +5,7 @@ inputs:
   node-version:
     description: Node.js version
     required: true
-    default: '24.3.0' # Switch to 'lts' as soon as Node 24 reaches LTS status.
+    default: 'lts/*'
 
 runs:
   using: composite
@@ -15,7 +15,7 @@ runs:
       with:
         run_install: false
     - name: Use Node.js
-      uses: actions/setup-node@v4
+      uses: actions/setup-node@v6
       with:
         node-version: ${{ inputs.node-version }}
         registry-url: 'https://registry.npmjs.org'

.github/actions/uv-python-install/action.yaml

@@ -10,13 +10,13 @@ inputs:
     description: uv version
     required: true
     default: 'latest'
+  uv-args:
+    description: Extra uv args, for example dependencies to install, e.g. --extra tests --extra dev.
+    required: false
   working-directory:
     description: Working directory for uv command.
     required: false
     default: .
-  extra-dependencies:
-    description: Extra dependencies to install, e.g. --extra tests --extra dev.
-    required: false
 
 runs:
   using: composite
@@ -32,6 +32,6 @@ runs:
       with:
         python-version: ${{ inputs.python-version }}
     - name: Install Python dependencies
-      run: uv sync --no-install-project --no-editable ${{ inputs.extra-dependencies }}
+      run: uv sync --all-packages ${{ inputs.uv-args }}
       shell: bash
       working-directory: ${{ inputs.working-directory }}

.github/copilot-instructions.md

@@ -32,13 +32,7 @@ Always reference these instructions first and fallback to search or bash command
    # NOTE: Cypress download may fail due to network restrictions - this is expected in CI environments
    ```
 
-2. **Build the Frontend - takes ~1 minute, NEVER CANCEL**:
-   ```bash
-   pnpm run buildUi
-   # Timeout: Use 300+ seconds (5+ minutes)
-   ```
-
-3. **Run Tests**:
+2. **Run Tests**:
    ```bash
    # Backend tests - takes ~17 seconds, NEVER CANCEL
    cd backend
@@ -52,10 +46,10 @@ Always reference these instructions first and fallback to search or bash command
    # Timeout: Use 60 seconds
 
    # E2E tests require Cypress download - may not work in restricted environments
-   # If available: pnpm test (takes variable time depending on tests)
+   # If available: pnpm test:e2e (takes variable time depending on tests)
    ```
 
-4. **Run Development Servers**:
+3. **Run Development Servers**:
    ```bash
    # Start backend (in one terminal)
    cd backend

.github/workflows/check-backend.yaml

@@ -0,0 +1,37 @@
+name: Check backend
+
+on: [workflow_call]
+
+concurrency:
+  group: check-backend-${{ github.ref }}
+  cancel-in-progress: ${{ github.ref_name != 'main' }}
+
+permissions:
+  contents: read
+  checks: write
+
+jobs:
+  check-backend:
+    runs-on: ubuntu-latest
+    name: run checks
+    steps:
+      - uses: actions/checkout@v4
+      - uses: ./.github/actions/uv-python-install
+        name: Install Python, uv and Python dependencies
+        with:
+          uv-args: --no-install-workspace --all-extras --dev
+
+      - uses: ./.github/actions/check-run
+        with:
+          check_name: 'Linting: backend'
+          command: uv run --no-project scripts/lint.py
+
+      - uses: ./.github/actions/check-run
+        with:
+          check_name: 'Formatting: backend'
+          command: uv run --no-project scripts/format.py --check
+
+      - uses: ./.github/actions/check-run
+        with:
+          check_name: 'Type checking: backend'
+          command: uv run --no-project scripts/type_check.py

.github/workflows/check-frontend.yaml

@@ -0,0 +1,35 @@
+name: Check frontend & libs
+
+on: [workflow_call]
+
+concurrency:
+  group: check-frontend-${{ github.ref }}
+  cancel-in-progress: ${{ github.ref_name != 'main' }}
+
+permissions:
+  contents: read
+  checks: write
+
+jobs:
+  check-frontend:
+    runs-on: ubuntu-latest
+    name: run checks
+    steps:
+      - uses: actions/checkout@v4
+      - uses: ./.github/actions/pnpm-node-install
+        name: Install Node, pnpm and dependencies.
+
+      - uses: ./.github/actions/check-run
+        with:
+          check_name: 'Linting: frontend'
+          command: pnpm lint
+
+      - uses: ./.github/actions/check-run
+        with:
+          check_name: 'Formatting: frontend'
+          command: pnpm format
+
+      - uses: ./.github/actions/check-run
+        with:
+          check_name: 'Type checking: frontend'
+          command: pnpm type-check

.github/workflows/ci.yaml

@@ -15,26 +15,36 @@ on:
       - '*.md'
       - LICENSE
 
+concurrency:
+  group: ci-${{ github.ref }}
+  cancel-in-progress: ${{ github.ref_name != 'main' }}
+
 permissions: read-all
 
 jobs:
-  pytest:
-    uses: ./.github/workflows/pytest.yaml
+  check-backend:
+    uses: ./.github/workflows/check-backend.yaml
+    permissions:
+      contents: read
+      checks: write
+    secrets: inherit
+  check-frontend:
+    uses: ./.github/workflows/check-frontend.yaml
+    permissions:
+      contents: read
+      checks: write
     secrets: inherit
-  lint-backend:
-    uses: ./.github/workflows/lint-backend.yaml
+  tests:
+    uses: ./.github/workflows/tests.yaml
     secrets: inherit
   e2e-tests:
     uses: ./.github/workflows/e2e-tests.yaml
     secrets: inherit
-  lint-ui:
-    uses: ./.github/workflows/lint-ui.yaml
-    secrets: inherit
   ci:
     runs-on: ubuntu-latest
     name: Run CI
     if: always()  # This ensures the job always runs
-    needs: [lint-backend, pytest, lint-ui, e2e-tests]
+    needs: [check-backend, check-frontend, tests, e2e-tests]
     steps:
       # Propagate failure
       - name: Check dependent jobs

.github/workflows/copilot-setup-steps.yaml

@@ -38,9 +38,4 @@ jobs:
         with:
           python-version: "3.10"
           uv-version: "latest"
-          working-directory: "./backend"
-          extra-dependencies: "--extra tests --extra mypy --extra dev --extra custom-data"
-
-      - name: Build UI components
-        run: pnpm run buildUi
-        timeout-minutes: 5
+          uv-args: "--all-extras --dev"

.github/workflows/e2e-tests.yaml

@@ -1,15 +1,20 @@
-name: E2ETests
+name: E2E tests
 
 on: [workflow_call]
 
+concurrency:
+  group: e2e-tests-${{ github.ref }}
+  cancel-in-progress: ${{ github.ref_name != 'main' }}
+
 permissions: read-all
 
 jobs:
-  ci:
+  e2e-tests:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest]
+    name: ${{ matrix.os }}
     env:
       BACKEND_DIR: ./backend
     steps:
@@ -24,14 +29,9 @@ jobs:
         name: Install Python, uv and Python & pnpm (uv does it automatically) dependencies
         with:
           working-directory: ${{ env.BACKEND_DIR }}
-          extra-dependencies: --extra tests
-      - name: Build UI components
-        run: pnpm run buildUi
-        timeout-minutes: 5
+          uv-args: --extra tests
       - name: Run tests
-        env:
-          CYPRESS_RECORD_KEY: ${{ secrets.CYPRESS_RECORD_KEY }}
-        run: pnpm test
+        run: pnpm test:e2e
         shell: bash
       - name: Upload screenshots
         uses: actions/upload-artifact@v4

.github/workflows/publish.yaml

@@ -11,6 +11,10 @@ on:
   release:
     types: [published]
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: ${{ github.ref_name != 'main' }}
+
 permissions: read-all
 
 jobs:

.github/workflows/pytest.yaml → .github/workflows/tests.yaml

@@ -1,15 +1,20 @@
-name: Pytest
+name: Unit & integration tests
 
 on: [workflow_call]
 
+concurrency:
+  group: tests-${{ github.ref }}
+  cancel-in-progress: ${{ github.ref_name != 'main' }}
+
 permissions: read-all
 
 jobs:
-  pytest:
+  tests:
     runs-on: ubuntu-latest
     strategy:
       matrix:
         python-version: ['3.10', '3.11', '3.12', '3.13']
+    name: python ${{ matrix.python-version }}
     env:
       BACKEND_DIR: ./backend
     steps:
@@ -20,11 +25,8 @@ jobs:
         name: Install Python, uv and Python dependencies
         with:
           python-version: ${{ matrix.python-version }}
-          extra-dependencies: --extra tests --extra mypy --extra custom-data
-          working-directory: ${{ env.BACKEND_DIR }}
-      - name: Build UI components
-        run: pnpm run buildUi
-        timeout-minutes: 5
-      - name: Run Pytest
+          uv-args: --extra tests --extra custom-data
+      - name: Run backend tests
         run: uv run --no-project pytest --cov=chainlit/
-        working-directory: ${{ env.BACKEND_DIR }}
+      - name: Run frontend tests
+        run: pnpm run test

.gitignore

@@ -59,7 +59,6 @@ dist-ssr
 .aider*
 .coverage
 
-backend/README.md
-backend/.dmypy.json
+.dmypy.json
 
 .history