- Generate buy/sell volume split with random fractions
- Add nanosecond timestamps for OHLC extremes within 1-minute bars
- Include open interest as separate random walk
- Add num_trades and quote_volume derived fields
- Derive extra_columns dynamically from indicator input requirements instead of hardcoded volume check
- Improve input_series error message clarity
- Adjust ChatPanel background color for user messages
- Add model-tags parser for @Tag syntax in chat messages
- Support Anthropic models (Sonnet, Haiku, Opus) via @tag
- Remove Qdrant vector database from infrastructure and configs
- Simplify license model config to use null fallbacks
- Add greeting stream after model switch via @tag
- Fix protobuf field names to camelCase for v7 compatibility
- Add 429 rate limit retry logic with exponential backoff
- Remove RAG references from agent harness documentation
