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S1: person+garment images directly into ref2va with attribute_transfer produce correct face/outfit/motion in one call — no separate compose step needed. S2: reference_video_urls has a real, strong effect on output motion (A/B tested). S4: H3 Console's own POST /v1/assets endpoint (undocumented until now) solves asset reachability without exposing our own uploads/ publicly. Evidence and scripts in spike/s1-s2-s4-2026-09-02/. Propagated the one-step design into the requirements doc, MVCP design doc, the architecture doc, and H3-CONSOLE.md; dev-plan.md's spike section marked done and its task table updated accordingly.
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Previously left as inline "勘误" patch notes; now the baseline doc (docs/done) states the current 480x832 default outright, and the dance-room docs describe live.html/dance.html as two independently configured H3_GEN_PARAMS that happen to agree, rather than flagging an erratum. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01SdtXTsDRz5QWMjvt1HBXLz
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Documents the new outfit-swap dance live room (dance.html) requirements alongside the existing text-prompt live channel baseline, plus the combined system architecture covering both. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01SdtXTsDRz5QWMjvt1HBXLz