feat(playground): add session management endpoint (#127)#129
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DevanshuNEU merged 1 commit intoDec 25, 2025
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## Changes
### services/playground_limiter.py
- Add SessionData and IndexedRepoData dataclasses
- Add get_session_data() - retrieve complete session state
- Add set_indexed_repo() - store indexed repo in session
- Add has_indexed_repo() - check if session has repo
- Add clear_indexed_repo() - remove repo from session
- Add create_session() - create new session with hash structure
- Add _ensure_hash_format() - migrate legacy string sessions to hash
- Update _check_session_limit() to use HINCRBY for atomic ops
- Add comprehensive logging and metrics
### routes/playground.py
- Add GET /session endpoint
- Returns session info including indexed repo and search counts
- Creates new session if none exists
- Handles Redis unavailable (503)
### tests/test_playground_limiter.py (NEW)
- 36 test cases covering:
- Data classes (IndexedRepoData, SessionData)
- Session data retrieval
- Indexed repo storage/retrieval
- Legacy migration (string -> hash)
- Rate limiting with hash storage
- Full session lifecycle workflow
### tests/conftest.py
- Add Redis hash operation mocks (hset, hget, hincrby, etc.)
## Redis Schema (Hash)
Key: playground:session:{token}
Fields:
- searches_used: int
- created_at: ISO timestamp
- indexed_repo: JSON blob (optional)
Closes OpenCodeIntel#127
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Summary
Implements session management infrastructure for anonymous playground users, enabling the anonymous indexing feature (Epic #114).
Changes
Core Implementation
New Methods in PlaygroundLimiter
get_session_data()set_indexed_repo()has_indexed_repo()clear_indexed_repo()create_session()Redis Schema (Hash)
API Response Schema
{ "session_id": "pg_abc123...", "created_at": "2025-12-24T10:00:00Z", "expires_at": "2025-12-25T10:00:00Z", "indexed_repo": { "repo_id": "repo_abc123", "github_url": "https://github.com/user/repo", "name": "repo", "file_count": 198, "indexed_at": "...", "expires_at": "..." }, "searches": { "used": 12, "limit": 50, "remaining": 38 } }Testing
Technical Notes
Unblocks
Closes #127