docs(site): surface WhisperLiveKit SenseVoice backend

[LauraGPT]

Summary

• add the merged WhisperLiveKit SenseVoiceSmall backend to the bilingual FunASR ecosystem pages
• link both the project and the exact merged implementation PR
• document its real-time LocalAgreement/VAC/VAD path, word timestamps, and supported languages
• add a bilingual output contract test and refresh the legacy snapshot hashes

This turns a completed external integration in a 10.5K-star project into a discoverable path from funasr.com.

Verification

• product-site tests: 55 passed
• static website patrol tests: 30 passed
• product-site build: 23 product pages
• output validation: 96 pages
• repository and merged PR links: HTTP 200
• git diff --check

[gemini-code-assist]

Caution

The consumer version of Gemini Code Assist on GitHub has been sunset. All code review activity has officially ceased.