refactor(ci): Create reusable lint workflow and define dependencies

Creates a new reusable workflow, 'lint.yml', to handle all linting operations.

The main 'orchestrator.yml' is updated to use this new workflow. The dependency chain is now explicitly defined: 'lint' runs first, followed by 'build-and-publish' and 'ci' in parallel. The 'e2e' job remains dependent on 'build-and-publish'.

This change also removes the now-unused 'version' input from 'ci.yml' and corrects the 'bundle_size' job to use 'npm ci'.

.github/workflows/ci.yml

@@ -2,11 +2,6 @@ name: 'Testing: CI'
 
 on:
   workflow_call:
-    inputs:
-      version:
-        description: 'The version of the published package'
-        required: true
-        type: 'string'
 
 concurrency:
   group: 'ci-${{ github.workflow }}-${{ github.head_ref || github.ref }}'
@@ -175,8 +170,8 @@ jobs:
           echo "@google-gemini:registry=https://npm.pkg.github.com/" > .npmrc
           echo "//npm.pkg.github.com/:_authToken=${{ secrets.GITHUB_TOKEN }}" >> .npmrc
 
-      - name: 'Install bundle'
-        run: 'npm install @google-gemini/gemini-cli@${{ inputs.version }}'
+      - name: 'Install dependencies'
+        run: 'npm ci'
 
       - uses: 'preactjs/compressed-size-action@946a292cd35bd1088e0d7eb92b69d1a8d5b5d76a'
         with:

.github/workflows/lint.yml

@@ -0,0 +1,28 @@
+# .github/workflows/lint.yml
+name: 'Linting'
+
+on:
+  workflow_call:
+
+permissions:
+  contents: 'read'
+
+jobs:
+  lint:
+    name: 'Lint All'
+    runs-on: 'ubuntu-latest'
+    steps:
+      - name: 'Checkout'
+        uses: 'actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8' # ratchet:actions/checkout@v5
+
+      - name: 'Set up Node.js'
+        uses: 'actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020' # ratchet:actions/setup-node@v4
+        with:
+          node-version-file: '.nvmrc'
+          cache: 'npm'
+
+      - name: 'Install dependencies'
+        run: 'npm ci'
+
+      - name: 'Run linting'
+        run: 'npm run lint:all'

.github/workflows/orchestrator.yml

@@ -25,16 +25,19 @@ permissions:
   id-token: 'write'
 
 jobs:
+  lint:
+    name: 'Lint'
+    uses: './.github/workflows/lint.yml'
+
   build-and-publish:
     name: 'Build and Publish CI Bundle'
+    needs: 'lint'
     uses: './.github/workflows/build-and-publish.yml'
 
   ci:
     name: 'CI Checks'
-    needs: 'build-and-publish'
+    needs: 'lint'
     uses: './.github/workflows/ci.yml'
-    with:
-      version: '${{ needs.build-and-publish.outputs.version }}'
 
   e2e:
     name: 'E2E Checks'