fix DSML token leak and use no-thinking model for all non-tool-bound paths

add deepseek compatibility

updated to print

feat: enhance LLM formatting capabilities and improve logging in various components

feat: implement secure Python sandbox with process and Docker backends

review: ship all 15 quick-win fixes from REVIEW.md via TDD

refactor: remove message trimming logic and max_context_messages configuration

feat: implement message history trimming, CAPTCHA detection, and empty response handling to improve agent reliability

feat: implement context management with tool output compaction and semantic search deduplication

feat: add youtube_frame_at tool, improve vision URL validation, silence observability logs, and update caveman mode configuration.

feat: implement tool error cooldown, caveman system prompt mode, and iteration fail-safe logic

feat: implement web search and file processing tools with robust retrieval fallbacks