fix: add repository.url for provenance verification and clarify Node version requirements

Signed-off-by: xuezhaojun <xuezhaokeepgoing@gmail.com>

Author: xuezhaojun

README.md

@@ -44,8 +44,8 @@ Add to your `opencode.json`:
 
 ### Prerequisites
 
-- Node.js >= 22
-- npm
+- Node.js >= 22 (local development)
+- Node.js >= 24 is used in CI for npm OIDC trusted publishing (npm 11.5.1+ required)
 
 ### Build
 

opencode-slack-plugin/package.json

@@ -13,6 +13,11 @@
     "ai",
     "coding-agent"
   ],
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/kubeopencode/kubeopencode-plugins",
+    "directory": "opencode-slack-plugin"
+  },
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
   "exports": {