Enable GPT-5 support (again)

.github/workflows/ci.yml

@@ -0,0 +1,58 @@
+name: CI
+
+on:
+  push:
+    branches: [ main, master ]
+  pull_request:
+    branches: [ main, master ]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    
+    steps:
+    - uses: actions/checkout@v4
+    
+    - name: Setup Bun
+      uses: oven-sh/setup-bun@v2
+      with:
+        bun-version: latest
+    
+    - name: Cache dependencies
+      uses: actions/cache@v4
+      with:
+        path: |
+          ~/.bun/install/cache
+          node_modules
+        key: ${{ runner.os }}-bun-${{ hashFiles('**/bun.lockb') }}
+        restore-keys: |
+          ${{ runner.os }}-bun-
+    
+    - name: Install dependencies
+      run: bun install --frozen-lockfile
+    
+    - name: Run tests
+      run: bun test
+    
+    - name: Type check
+      run: bun run typecheck
+    
+    - name: Build
+      run: bun run build
+    
+    - name: Verify build output
+      run: |
+        test -f dist/main.js
+        test -f dist/main.cjs
+        test -x dist/main.js
+        head -n 1 dist/main.js | grep -q "#!/usr/bin/env node"
+    
+    - name: Install Claude Code CLI
+      run: npm install -g @anthropic-ai/claude-code
+    
+    - name: Test with Node.js
+      run: |
+        # Test that the build works with --help
+        node dist/main.js --help
+        # Verify it shows Claude Code help output
+        node dist/main.js --help | grep -q "Usage: claude"