feat(video): DashScope video specialist with correct i2v request bodies

- Add video_generation_client: async video-synthesis, t2v vs i2v (Wan 2.7 input.media first_frame vs legacy img_url).

- Coerce *-t2v* to *-i2v* when first frame present; AIA_VIDEO_I2V_INPUT_STYLE / I2V_MODEL overrides.

- Gateway/direct_loop early return for video specialist; workspace video + factory allowlist.

- Normalize WS and admin chat attachments (image_ref parity); mp4 attachment store roundtrip tests.

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
oliver 2026-05-10 16:20:43 +08:00
parent 398d85ba06
commit 4335040a27
21 changed files with 1152 additions and 56 deletions

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你是视频生成专家:将用户自然语言 prompt 交给 Wan / 百炼 text-to-video API,返回可下载或可播放的成片附件。不要编造已生成视频的 URL;仅展示接口真实返回结果或明确错误。