fix: use PR instead of direct push for dev type generation

The deploy-dev workflow fails because `dev` branch has protection rules
requiring PRs and status checks. Replace direct `git push` with
`peter-evans/create-pull-request` action to create a PR for type changes.

https://claude.ai/code/session_01YUW2BPCdUWznL5AiMGSRKm

Author: claude

.github/workflows/deploy-dev.yml

@@ -46,6 +46,7 @@ jobs:
     runs-on: ubuntu-latest
     permissions:
       contents: write
+      pull-requests: write
     steps:
       - uses: actions/checkout@v4
         with:
@@ -68,18 +69,26 @@ jobs:
           SUPABASE_ACCESS_TOKEN: ${{ secrets.SUPABASE_ACCESS_TOKEN }}
           SUPABASE_DB_PASSWORD: ${{ secrets.SUPABASE_DEV_DB_PASSWORD }}
 
-      - name: Commit types if changed
+      - name: Create PR if types changed
+        uses: peter-evans/create-pull-request@v7
+        id: types-pr
+        with:
+          branch: chore/regenerate-db-types
+          commit-message: "chore(db): regenerate database types"
+          title: "chore(db): regenerate database types"
+          body: |
+            Auto-generated by the **Deploy Dev** workflow after migrations were applied.
+
+            This PR updates `packages/db/types/database.ts` to reflect the latest dev schema.
+          add-paths: packages/db/types/database.ts
+          delete-branch: true
+
+      - name: Summary
         run: |
-          git config user.name "github-actions[bot]"
-          git config user.email "github-actions[bot]@users.noreply.github.com"
-          git add packages/db/types/database.ts
-          if git diff --cached --quiet; then
-            echo "No type changes detected"
-            echo "### Types — No changes ✅" >> "$GITHUB_STEP_SUMMARY"
+          if [ "${{ steps.types-pr.outputs.pull-request-number }}" ]; then
+            echo "### Types — PR [#${{ steps.types-pr.outputs.pull-request-number }}](${{ steps.types-pr.outputs.pull-request-url }}) created ✅" >> "$GITHUB_STEP_SUMMARY"
           else
-            git commit -m "chore(db): regenerate database types"
-            git push
-            echo "### Types — Updated and committed ✅" >> "$GITHUB_STEP_SUMMARY"
+            echo "### Types — No changes ✅" >> "$GITHUB_STEP_SUMMARY"
           fi
 
   summary: