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Ed Zynda
5a3d3fdd7d
Models like Qwen and DeepSeek wrap reasoning content in ... XML-like
tags within the regular content field. This was causing the reasoning
text to appear twice - once as a reasoning block and once as regular text.
Changes:
1. Provider hooks (providers.go):
- Extract reasoning from tags and emit proper reasoning events
- Use openai provider directly with custom ExtraContentFunc and
StreamExtraFunc hooks to parse thinking content
2. Stream filtering (stream.go):
- Filter out all text content between and tags at the
streaming level to prevent duplicate rendering
- Track state with inThinkTag flag across stream chunks
3. Message conversion (content.go):
- Strip any remaining tags from text content when converting
from fantasy messages
The regex patterns use string concatenation to avoid XML tag corruption:
regexp.MustCompile( + + + + + + + )
Fixes duplicate reasoning text when using custom provider with models
that wrap thinking in tags.