3 Commits

Author	SHA1	Message	Date
阳虎	f059314986	fix: Add max_summary_chars param to reduce token usage in news data ... - Add max_summary_chars parameter (default 500) to get_news_yfinance and get_global_news_yfinance - Smart truncation: tries to cut at first paragraph, falls back to word boundary - Users can set max_summary_chars=0 for full text - Addresses issue #291: news data too large causing token waste Closes #291	2026-03-16 21:07:43 +08:00
Yijia Xiao	b06936f420	fix: improve data vendor implementations and tool signatures ... - Add get_global_news for Alpha Vantage - Fix get_insider_transactions signature (remove unused curr_date param) - Remove unnecessary default params from API calls (sort, limit, tab)	2026-02-03 22:27:20 +00:00
Yijia Xiao	d4dadb82fc	feat: add multi-provider LLM support with thinking configurations ... Models added: - OpenAI: GPT-5.2, GPT-5.1, GPT-5, GPT-5 Mini, GPT-5 Nano, GPT-4.1 - Anthropic: Claude Opus 4.5/4.1, Claude Sonnet 4.5/4, Claude Haiku 4.5 - Google: Gemini 3 Pro/Flash, Gemini 2.5 Flash/Flash Lite - xAI: Grok 4, Grok 4.1 Fast (Reasoning/Non-Reasoning) Configs updated: - Add unified thinking_level for Gemini (maps to thinking_level for Gemini 3, thinking_budget for Gemini 2.5; handles Pro's lack of "minimal" support) - Add OpenAI reasoning_effort configuration - Add NormalizedChatGoogleGenerativeAI for consistent response handling Fixes: - Fix Bull/Bear researcher display truncation - Replace ChromaDB with BM25 for memory retrieval	2026-02-03 22:27:20 +00:00