fix: approve git installs with pnpm repo-level allowBuilds

pnpm 11 no longer accepts package-name-only allowBuilds for github: deps; write the stable git+https key and strip auto-placeholders so one-click install works.

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

package.json

@@ -1,6 +1,6 @@
 {
   "name": "dsh-telegram-channel",
-  "version": "0.3.0",
+  "version": "0.3.1",
   "description": "DeepSeek Harness Telegram mobile remote: workspace→session picker (Web-aligned), /model switch, same trajectory — dsh-plugin",
   "keywords": [
     "telegram",