v0.10.0

v0.10.0

• Added find_chat_in_sidebar_by_ocr.sh as a fallback when WeChat search opens 搜一搜 or otherwise fails to select the intended local chat.
• Added normalized region support to ocr_wechat_screenshot.sh.
• Restricted history OCR extraction to the active conversation pane instead of the full WeChat window.
• Added conversation-merged.txt output and merge_ocr_pages.py to combine page OCR files into a single overlap-deduplicated reference transcript.