TODOs: - [x] Add documentation - [x] e2e tests: run security review, update knowledge, and fix issue - [x] more stringent risk rating <!-- CURSOR_SUMMARY --> --- > [!NOTE] > Introduces a new Security mode with a Security Review panel that runs reviews, edits rules, parses findings via IPC, and supports fixing issues, with tests and prompt/runtime support. > > - **UI/Preview Panel**: > - Add `security` preview mode to `previewModeAtom` and ActionHeader (Shield button). > - New `SecurityPanel` showing findings table (sorted by severity), run review, fix issue flow, and edit `SECURITY_RULES.md` dialog. > - Wire into `PreviewPanel` content switch. > - **Hooks**: > - `useSecurityReview(appId)`: fetch latest review via IPC. > - `useStreamChat`: add `onSettled` callback to invoke refreshes after streams. > - **IPC/Main**: > - `security_handlers`: `get-latest-security-review` parses `<dyad-security-finding>` from latest assistant message. > - Register handler in `ipc_host`; expose channel in `preload`. > - `ipc_client`: add `getLatestSecurityReview(appId)`. > - `chat_stream_handlers`: detect `/security-review`, use dedicated system prompt, optionally append `SECURITY_RULES.md`, suppress Supabase-not-available note in this mode. > - **Prompts**: > - Add `SECURITY_REVIEW_SYSTEM_PROMPT` with structured finding output. > - **Supabase**: > - Enhance schema query to include `rls_enabled`, split policy `using_clause`/`with_check_clause`. > - **E2E Tests**: > - New `security_review.spec.ts` plus snapshots and fixture findings; update test helper for `security` mode and findings table snapshot. > - Fake LLM server streams security findings for `/security-review` and increases batch size. > > <sup>Written by [Cursor Bugbot](https://cursor.com/dashboard?tab=bugbot) for commit 5022d01e22a2dd929a968eeba0da592e0aeece01. This will update automatically on new commits. Configure [here](https://cursor.com/dashboard?tab=bugbot).</sup> <!-- /CURSOR_SUMMARY -->
Fake LLM Server
A simple server that mimics the OpenAI streaming chat completions API for testing purposes.
Features
- Implements a basic version of the OpenAI chat completions API
- Supports both streaming and non-streaming responses
- Always responds with "hello world" message
- Simulates a 429 rate limit error when the last message is "[429]"
- Configurable through environment variables
Installation
npm install
Usage
Start the server:
# Development mode
npm run dev
# Production mode
npm run build
npm start
Example usage
curl -X POST http://localhost:3500/v1/chat/completions \
-H "Content-Type: application/json" \
-d '{"messages":[{"role":"user","content":"Say something"}],"model":"any-model","stream":true}'
The server will be available at http://localhost:3500 by default.
API Endpoints
POST /v1/chat/completions
This endpoint mimics OpenAI's chat completions API.
Request Format
{
"messages": [{ "role": "user", "content": "Your prompt here" }],
"model": "any-model",
"stream": true
}
- Set
stream: trueto receive a streaming response - Set
stream: falseor omit it for a regular JSON response
Response
For non-streaming requests, you'll get a standard JSON response:
{
"id": "chatcmpl-123456789",
"object": "chat.completion",
"created": 1699000000,
"model": "fake-model",
"choices": [
{
"index": 0,
"message": {
"role": "assistant",
"content": "hello world"
},
"finish_reason": "stop"
}
]
}
For streaming requests, you'll receive a series of server-sent events (SSE), each containing a chunk of the response.
Simulating Rate Limit Errors
To test how your application handles rate limiting, send a message with content exactly equal to [429]:
{
"messages": [{ "role": "user", "content": "[429]" }],
"model": "any-model"
}
This will return a 429 status code with the following response:
{
"error": {
"message": "Too many requests. Please try again later.",
"type": "rate_limit_error",
"param": null,
"code": "rate_limit_exceeded"
}
}
Configuration
You can configure the server by modifying the PORT variable in the code.
Use Case
This server is primarily intended for testing applications that integrate with OpenAI's API, allowing you to develop and test without making actual API calls to OpenAI.