feat: (gem-team) PRD/ Steer Support (#868)

* feat: Prd/ steer support

- Add supprot for PRD
- Vscode steer/ queue support
- Consistent artifacts
- Improved parallel running; for researchers too

* chore: improve prd update support

* chore: Make reviewer use prd for compaince

* chore: imrpvoe websearch in researcher

* fix(gem-team): revert gem-team plugin version from 1.5.0 to 1.2.0

plugins/gem-team/.github/plugin/plugin.json

@@ -1,7 +1,7 @@
 {
   "name": "gem-team",
   "description": "A modular multi-agent team for complex project execution with DAG-based planning, parallel execution, TDD verification, and automated testing.",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "author": {
     "name": "Awesome Copilot Community"
   },
@@ -15,7 +15,8 @@
     "tdd",
     "verification",
     "automation",
-    "security"
+    "security",
+    "prd"
   ],
   "agents": [
     "./agents/gem-orchestrator.md",