build: migrate monorepo to Yarn v4 workspaces

.github/workflows/composer_build_and_test.yml

@@ -31,30 +31,22 @@ jobs:
     steps:
       - uses: actions/checkout@v6
 
-      - name: Install pnpm
-        uses: pnpm/action-setup@v4
-        with:
-          version: 10
-
       - name: Set up Node.js
         uses: actions/setup-node@v6
         with:
           node-version: '20'
-          cache: 'pnpm'
-          cache-dependency-path: 'tools/composer/pnpm-lock.yaml'
 
       - name: Install dependencies
-        working-directory: ./tools/composer
-        run: pnpm install
+        run: yarn install --immutable
 
       - name: Lint
         working-directory: ./tools/composer
-        run: pnpm lint
+        run: yarn lint
 
       - name: Build
         working-directory: ./tools/composer
-        run: pnpm build
+        run: yarn build
 
       - name: Test
         working-directory: ./tools/composer
-        run: pnpm test
+        run: yarn test

.github/workflows/editor_build.yml

@@ -41,25 +41,22 @@ jobs:
           node-version: '20'
 
       - name: Install web_core deps
-        working-directory: ./renderers/web_core
-        run: npm ci
+        run: yarn install --immutable
 
       - name: Build web_core
         working-directory: ./renderers/web_core
-        run: npm run build
+        run: yarn build
 
       - name: Install lib's deps
-        working-directory: ./renderers/lit
-        run: npm ci
+        run: yarn install --immutable
 
       - name: Build lib
         working-directory: ./renderers/lit
-        run: npm run build
+        run: yarn build
 
       - name: Install editor deps
-        working-directory: ./tools/editor
-        run: npm install
+        run: yarn install --immutable
 
       - name: Build editor
         working-directory: ./tools/editor
-        run: npm run build
+        run: yarn build

.github/workflows/inspector_build.yml

@@ -42,25 +42,22 @@ jobs:
           node-version: '20'
 
       - name: Install web_core deps
-        working-directory: ./renderers/web_core
-        run: npm ci
+        run: yarn install --immutable
 
       - name: Build web_core
         working-directory: ./renderers/web_core
-        run: npm run build
+        run: yarn build
 
       - name: Install lib's deps
-        working-directory: ./renderers/lit
-        run: npm ci
+        run: yarn install --immutable
 
       - name: Build lib
         working-directory: ./renderers/lit
-        run: npm run build
+        run: yarn build
 
       - name: Install inspector deps
-        working-directory: ./tools/inspector
-        run: npm install
+        run: yarn install --immutable
 
       - name: Build inspector
         working-directory: ./tools/inspector
-        run: npm run build
+        run: yarn build

.github/workflows/lit_build_and_test.yml

@@ -40,21 +40,19 @@ jobs:
           node-version: '20'
 
       - name: Install web_core dependencies
-        working-directory: ./renderers/web_core
-        run: npm i
+        run: yarn install --immutable
 
       - name: Build web_core
         working-directory: ./renderers/web_core
-        run: npm run build
+        run: yarn build
 
       - name: Install Lit renderer dependencies
-        working-directory: ./renderers/lit
-        run: npm i
+        run: yarn install --immutable
 
       - name: Build Lit renderer
         working-directory: ./renderers/lit
-        run: npm run build
+        run: yarn build
 
       - name: Run Lit renderer tests
         working-directory: ./renderers/lit
-        run: npm test
+        run: yarn test

.github/workflows/lit_samples_build.yml

@@ -35,16 +35,15 @@ jobs:
         with:
           node-version: '20'
 
-      - name: Build lit renderer and its dependencies
-        working-directory: ./samples/client/lit
-        run: npm run build:renderer
+      - name: Install workspaces' dependencies
+        run: yarn install --immutable
 
-      - name: Install all lit samples workspaces' dependencies
+      - name: Build lit renderer and its dependencies
         working-directory: ./samples/client/lit
-        run: npm install --workspaces
+        run: yarn build:renderer
 
       - name: Build all lit samples workspaces
         working-directory: ./samples/client/lit
-        run: npm run build --workspaces
+        run: yarn workspaces foreach -R --exclude '@a2ui/lit-samples' run build
 
 

.github/workflows/ng_build_and_test.yml

@@ -36,25 +36,24 @@ jobs:
           node-version: '20'
 
       - name: Install top-level deps
-        working-directory: ./samples/client/angular
-        run: npm i
+        run: yarn install --immutable
 
       - name: Build Angular renderer and its dependencies
         working-directory: ./samples/client/angular
-        run: npm run build:renderer
+        run: yarn build:renderer
 
       - name: Build contact sample
         working-directory: ./samples/client/angular
-        run: npm run build contact
+        run: yarn ng build contact
 
       - name: Build restaurant sample
         working-directory: ./samples/client/angular
-        run: npm run build restaurant
+        run: yarn ng build restaurant
 
       - name: Build Rizzchart sample
         working-directory: ./samples/client/angular
-        run: npm run build rizzcharts
+        run: yarn ng build rizzcharts
 
       - name: Build Orchestrator
         working-directory: ./samples/client/angular
-        run: npm run build orchestrator
+        run: yarn ng build orchestrator

.github/workflows/react_renderer.yml

@@ -44,20 +44,19 @@ jobs:
       - name: Build web_core dependency
         working-directory: ./renderers/web_core
         run: |
-          npm ci
-          npm run build
+          yarn install --immutable
+          yarn build
 
       - name: Install React renderer deps
-        working-directory: ./renderers/react
-        run: npm ci
+        run: yarn install --immutable
 
       - name: Build React renderer
         working-directory: ./renderers/react
-        run: npm run build
+        run: yarn build
 
       - name: Test React renderer
         working-directory: ./renderers/react
-        run: npm test
+        run: yarn test
 
   build-and-test-demo:
     runs-on: ubuntu-latest
@@ -73,20 +72,19 @@ jobs:
       - name: Build web_core dependency
         working-directory: ./renderers/web_core
         run: |
-          npm ci
-          npm run build
+          yarn install --immutable
+          yarn build
 
       - name: Install React renderer deps
-        working-directory: ./renderers/react
-        run: npm ci
+        run: yarn install --immutable
 
       - name: Build React Demo
         working-directory: ./renderers/react
-        run: npm run build:demo
+        run: yarn build:demo
 
       - name: Test React Demo
         working-directory: ./renderers/react
-        run: npm run test:demo
+        run: yarn test:demo
 
   lint:
     runs-on: ubuntu-latest
@@ -102,14 +100,13 @@ jobs:
       - name: Build web_core dependency
         working-directory: ./renderers/web_core
         run: |
-          npm ci
-          npm run build
+          yarn install --immutable
+          yarn build
 
       - name: Install React renderer deps
-        working-directory: ./renderers/react
-        run: npm ci
+        run: yarn install --immutable
 
       - name: Build React renderer and its dependencies
         working-directory: ./renderers/react
-        run: npm run lint
+        run: yarn lint
 

.github/workflows/validate_specifications.yml

@@ -34,11 +34,6 @@ jobs:
     steps:
       - uses: actions/checkout@v6
 
-      - name: Install pnpm
-        uses: pnpm/action-setup@v4
-        with:
-          version: 10
-
       - name: Set up Node.js
         uses: actions/setup-node@v6
         with:
@@ -50,8 +45,7 @@ jobs:
           python-version: '3.12'
 
       - name: Install dependencies
-        working-directory: ./specification/v0_9/test
-        run: pnpm install
+        run: yarn install --immutable
 
       - name: Run validation script
         run: python3 specification/scripts/validate.py

.github/workflows/web_build_and_test.yml

@@ -38,16 +38,15 @@ jobs:
           node-version: '20'
 
       - name: Install web_core dependencies
-        working-directory: ./renderers/web_core
-        run: npm i
+        run: yarn install --immutable
 
       - name: Build web_core
         working-directory: ./renderers/web_core
-        run: npm run build
+        run: yarn build
 
       - name: Test web_core
         working-directory: ./renderers/web_core
-        run: npm run test
+        run: yarn test
   lint:
     steps:
       - uses: actions/checkout@v6
@@ -58,13 +57,12 @@ jobs:
           node-version: '20'
 
       - name: Install web_core dependencies
-        working-directory: ./renderers/web_core
-        run: npm i
+        run: yarn install --immutable
 
       - name: Build web_core
         working-directory: ./renderers/web_core
-        run: npm run build
+        run: yarn build
 
       - name: Lint web_core
         working-directory: ./renderers/web_core
-        run: npm run lint
+        run: yarn lint

.gitignore

@@ -9,6 +9,7 @@ dist
 __pycache__
 *.pyc
 .angular
+*.tsbuildinfo
 
 # MkDocs build output
 site/
@@ -24,3 +25,12 @@ a2a_agents/python/a2ui_agent/src/a2ui/assets/**/*.json
 agent_sdks/python/src/a2ui/assets/**/*.json
 ## Generated files for sandbox frame.
 samples/client/angular/projects/mcp_calculator/public/mcp_apps_inner_iframe/
+
+# Yarn Modern
+.yarn/*
+!.yarn/patches
+!.yarn/plugins
+!.yarn/releases
+!.yarn/sdks
+!.yarn/versions
+.yarn/cache