e53778d43d
- Added in-band thinking scanners for Gemini, Gemma, Kimi, and Pi dialects. - Updated assistant rendering to emit dialect-specific thinking blocks and keep tool calls outside them. - Added parseThinking:false handling and fixed split-thinking leakage into replies. - Updated transcript parsing to accumulate and emit thinkingStart, thinkingDelta, and thinkingEnd events. - Updated scanner/tokenization docs and changelog with breaking notes for in-band thinking channels. - Added cross-dialect tests for thought-channel parsing, rendering, and streaming parity.