Update Copilot workflow to create GitHub issues for assigned tasks with proper permissions and repository checkout

.github/workflows/copilot.yml

@@ -10,8 +10,19 @@ on:
 jobs:
   assign-task:
     runs-on: ubuntu-latest
+    permissions:
+      issues: write
     steps:
-      - name: Assign task to Copilot
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Create GitHub Issue for Copilot
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          TASK: ${{ github.event.inputs.task }}
+          ACTOR: ${{ github.actor }}
         run: |
-          echo "Assigning task: ${{ github.event.inputs.task }}"
-          echo "Task requested by: ${{ github.actor }}"
+          gh issue create \
+            --title "Copilot Task: $TASK" \
+            --body "Assigned to Copilot by @$ACTOR. Description: $TASK" \
+            --label "copilot-task"