chore(sdlc): 修正範本 manifest 與移除 hello 範例符合 sdlc 領域

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

.claude-plugin/plugin.json

@@ -1,12 +1,17 @@
 {
-  "name": "jsc-template",
-  "version": "0.0.3",
-  "description": "JSC 跨 AI 助理共用 plugin 模板（Claude Code / Codex / Antigravity / OpenCode）。所有 skills 以 SKILL.md 為共通標準，於 Claude Code 以 /jsc-template: 前綴呼叫。",
+  "name": "jsc-sdlc",
+  "version": "0.2.0",
+  "description": "開發生命週期：規劃/分析/實作/維護（wiki 追蹤）",
   "skills": "./skills",
   "author": {
     "name": "JSC"
   },
-  "homepage": "https://gitea.jsc.idv.tw/plugins/template",
-  "repository": "https://gitea.jsc.idv.tw/plugins/template.git",
-  "keywords": ["template", "skills", "cross-tool", "jsc"]
+  "homepage": "https://gitea.jsc.idv.tw/plugins/sdlc",
+  "repository": "https://gitea.jsc.idv.tw/plugins/sdlc.git",
+  "keywords": [
+    "jsc",
+    "sdlc",
+    "skills",
+    "cross-tool"
+  ]
 }