SEEDANCE 2.5 PROMPT SPEC - skill (works in ChatGPT + Claude)

skills/seedance-2-5-prompts/SKILL.md
ByteDance's official Dreamina Seedance 2.5 prompt guide (31 July 2026), turned into a skill:
23 task types, 67 templates and worked examples, 75 documented failure modes.

Covers text to video, reference roles (@Image / @Video / @Audio), up to 50 materials,
audio and subtitle syntax, 30-second staged video, one-second timestamp pacing,
first/last frame, multi-keyframe, editing, subject and background replacement,
forward and backward extension, storyboards, blockout rendering, transitions.

INSTALL (ChatGPT - Skills, on Business/Enterprise/Edu plans):
1. unzip this pack first
2. ChatGPT sidebar -> Skills -> New skill -> Upload from your computer
3. upload the seedance-2-5-prompts FOLDER (folders only, not this whole zip)
4. ask: "use seedance-2-5-prompts: write me a 15s ugc ad prompt for this serum"

ON PLUS/PRO (no Skills tab): open a Project and paste SKILL.md into project instructions,
or just attach the file to a chat.

INSTALL (Claude Code):
1. unzip so you have .claude/skills/seedance-2-5-prompts/SKILL.md (or ~/.claude/skills/ for global)
2. restart claude code
3. ask: "use seedance-2-5-prompts: replace the woman in this clip, keep everything else"
