chore(repo): make the release gate reproducible and clean product URLs

PyJHora absence is now partial, tests write research manifests to tmp, the registry allows experimental_variant, and product links point at the Gitea repo. Early logs move to docs/history.

Co-authored-by: Cursor <cursoragent@cursor.com>

.codex-plugin/plugin.json

@@ -4,10 +4,10 @@
   "description": "Jyotish local Codex plugin wrapper for Vedic astrology skills and MCP tools.",
   "author": {
     "name": "jyotish-skill",
-    "url": "https://github.com/732642856/yinduzhanxing"
+    "url": "https://git.copse.top/root/Jyotisha"
   },
-  "homepage": "https://github.com/732642856/yinduzhanxing",
-  "repository": "https://github.com/732642856/yinduzhanxing",
+  "homepage": "https://git.copse.top/root/Jyotisha",
+  "repository": "https://git.copse.top/root/Jyotisha",
   "license": "MIT",
   "keywords": [
     "jyotish",
@@ -36,7 +36,7 @@
       "Read",
       "Write"
     ],
-    "websiteURL": "https://github.com/732642856/yinduzhanxing",
+    "websiteURL": "https://git.copse.top/root/Jyotisha",
     "defaultPrompt": [
       "用户如果只提供出生信息、没有具体问题，请不要要求用户自己想问题。",
       "环境允许时，先运行 python3 scripts/user_invocation_acceptance_check.py 确认普通用户调用质量门。",