refactor(marketplace 正本): 正本與權威來源改為 plugins/meta，移除對 plugins/jsc 的相依

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

skills/skill-new/SKILL.md

@@ -17,7 +17,7 @@ Single source of guidelines: [`../../references/guidelines.md`](../../references
 2. If the domain does not exist (if the repository exists on Gitea but not in the working directory, clone it and skip to step 3):
    1. Propose one short English word for the new domain (a single word preferred) and confirm it with the user.
    2. Ask the user to create the repository `plugins/{domain}`. Clone it, then build the content following the structure of `https://gitea.jsc.idv.tw/plugins/template`: three plugin manifests (plugin name `jsc-{domain}`, version starting at `0.0.1`), `skills/`, README.md, AGENTS.md.
-   3. Add the plugin entry (URL source pointing at the new repository) to `.claude-plugin/marketplace.json` and `.agents/plugins/marketplace.json` in `plugins/jsc` (the canonical copy), then sync the two updated files to every domain repository, including the new one. Every repo carries the same marketplace files, so any repo works as the registration entry point. The sync MUST run as a sub agent.
+   3. Add the plugin entry (URL source pointing at the new repository) to `.claude-plugin/marketplace.json` and `.agents/plugins/marketplace.json` in `plugins/meta` (the canonical copy), then sync the two updated files to every domain repository, including the new one. Every repo carries the same marketplace files, so any repo works as the registration entry point. The sync MUST run as a sub agent.
 3. Generate the skill per guidelines.md — this step MUST run as a sub agent:
    - `skills/{name}/SKILL.md`: entirely in English (description ≤ 5 sentences with trigger conditions; body in STE100-style English)
    - Rules enforceable by hooks go to `jsc-hooks` (never scattered in this domain); standard input/output flows go to `tools/`