Feat: add claude PR review workflow

Author: tanya732

.github/copilot-instructions.md

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+# Auth0 Node.js SDK - GitHub Copilot Instructions
+
+## Architecture Overview
+
+This is the **Auth0 Node.js SDK v5** - a TypeScript SDK providing Auth0 Authentication and Management API clients. The codebase uses **Fern-generated code** for the Management API with custom wrappers.
+
+### Key Components
+
+- **`src/management/`** - Fern-generated Management API client (auto-generated, don't edit directly)
+- **`src/management/wrapper/`** - Custom wrappers around Fern client for enhanced DX
+- **`src/auth/`** - Hand-written Authentication API client
+- **`src/userinfo/`** - UserInfo API client
+- **`legacy/`** - v4 compatibility layer for migration
+
+### Dual Module System
+
+- **CJS build**: `dist/cjs/` (main entry)
+- **ESM build**: `dist/esm/` (with `.mjs` extensions via `scripts/rename-to-esm-files.js`)
+- **Legacy exports**: `auth0/legacy` path for v4 compatibility
+
+## Development Patterns
+
+### Code Generation Awareness
+
+- Files with `* This file was auto-generated by Fern from our API Definition.` are **READ-ONLY**
+- Use wrapper classes in `src/management/wrapper/` for customizations
+- Authentication API (`src/auth/`) is hand-written - safe to edit
+
+### Testing Strategy
+
+Jest config has **4 separate projects**:
+
+```bash
+yarn test:unit      # Unit tests (src/management/tests)
+yarn test:browser   # Browser environment tests
+yarn test:wire      # Integration tests with mock server
+yarn test           # Root-level tests (tests/ directory)
+```
+
+### Build System
+
+```bash
+yarn build          # Both CJS and ESM builds
+yarn build:cjs      # CommonJS build
+yarn build:esm      # ESM build + rename to .mjs files
+```
+
+### TypeScript Configuration
+
+- **`tsconfig.base.json`** - Base config targeting Management API
+- **`tsconfig.cjs.json`** - CommonJS build
+- **`tsconfig.esm.json`** - ESM build
+- Uses `baseUrl: "src/management"` for Management API focus
+
+## API Client Patterns
+
+### Management Client Wrapper Pattern
+
+```typescript
+// Don't edit src/management/Client.ts (Fern-generated)
+// Use src/management/wrapper/ManagementClient.ts instead
+export class ManagementClient {
+    private _client: FernClient;
+    // Custom logic, token handling, telemetry
+}
+```
+
+### Request Options Pattern
+
+Use helper functions from `src/management/request-options.js`:
+
+```typescript
+import { withTimeout, withRetries, withHeaders, CustomDomainHeader } from "auth0";
+
+const options = {
+    ...withTimeout(30),
+    ...withRetries(3),
+    ...CustomDomainHeader("auth.example.com"),
+};
+```
+
+### Error Handling
+
+- **ManagementError** - For Management API errors
+- **AuthApiError** - For Authentication API errors
+- Use `.withRawResponse()` for accessing raw HTTP response data
+
+## File Organization Rules
+
+### DO NOT EDIT
+
+- `src/management/Client.ts` and `src/management/api/` (Fern-generated)
+- Anything with "auto-generated by Fern" comment
+
+### SAFE TO EDIT
+
+- `src/management/wrapper/` - Custom wrapper logic
+- `src/auth/` - Authentication API implementation
+- `src/userinfo/` - UserInfo API implementation
+- `tests/` and `src/management/tests/` - Test files
+
+### Legacy Support
+
+- `legacy/exports/` contains v4 API compatibility
+- Use `import { ... } from 'auth0/legacy'` for v4 migration
+- See `v5_MIGRATION_GUIDE.md` for breaking changes
+
+## Common Tasks
+
+### Adding Management API Features
+
+1. Extend `src/management/wrapper/ManagementClient.ts`
+2. Add types to `src/management/wrapper/` if needed
+3. Add tests to `src/management/tests/`
+
+### Testing Integration Points
+
+```bash
+yarn test:wire  # Tests with mock server setup
+```
+
+Mock server setup in `src/management/tests/mock-server/setup.ts`
+
+### Module Resolution
+
+- Uses `.js` extensions in imports (TS will resolve to `.ts`)
+- ESM build renames `.js` → `.mjs` and `.d.ts` → `.d.mts`
+- Browser field in `package.json` excludes Node.js modules
+
+Remember: This SDK prioritizes backward compatibility through the legacy export while modernizing the core API with Fern generation.

.github/workflows/claude-code-review.yml

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+name: Claude Code PR Review
+
+on:
+    issue_comment:
+        types: [created]
+    pull_request_review_comment:
+        types: [created]
+
+jobs:
+    claude-review:
+        permissions:
+            contents: write
+            issues: write
+            pull-requests: write
+            id-token: write
+        uses: auth0/auth0-ai-pr-analyzer-gh-action/.github/workflows/claude-code-review.yml@main