feat(ci): add auto-PR workflow for dev/* branches to develop

.github/workflows/feature-pr.yml

@@ -0,0 +1,92 @@
+name: Feature PR
+
+# Auto-create PR from dev/* branches to develop
+# This is the entry point for new features into the staging pipeline
+
+on:
+  push:
+    branches:
+      - 'dev/**'
+      - 'feature/**'
+      - 'fix/**'
+
+permissions:
+  contents: read
+  pull-requests: write
+
+jobs:
+  create-pr:
+    name: Create PR to develop
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Check if develop exists
+        id: check-develop
+        run: |
+          if git ls-remote --heads origin develop | grep -q develop; then
+            echo "exists=true" >> $GITHUB_OUTPUT
+          else
+            echo "exists=false" >> $GITHUB_OUTPUT
+            echo "::warning::develop branch does not exist yet. PR will target main."
+          fi
+
+      - name: Determine target branch
+        id: target
+        run: |
+          if [ "${{ steps.check-develop.outputs.exists }}" = "true" ]; then
+            echo "branch=develop" >> $GITHUB_OUTPUT
+          else
+            echo "branch=main" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Check for existing PR
+        id: check-pr
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          BRANCH="${{ github.ref_name }}"
+          TARGET="${{ steps.target.outputs.branch }}"
+          
+          # Check if PR already exists
+          EXISTING=$(gh pr list --head "$BRANCH" --base "$TARGET" --json number --jq '.[0].number // empty')
+          
+          if [ -n "$EXISTING" ]; then
+            echo "exists=true" >> $GITHUB_OUTPUT
+            echo "pr_number=$EXISTING" >> $GITHUB_OUTPUT
+            echo "PR #$EXISTING already exists for $BRANCH → $TARGET"
+          else
+            echo "exists=false" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Create PR
+        if: steps.check-pr.outputs.exists != 'true'
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          BRANCH="${{ github.ref_name }}"
+          TARGET="${{ steps.target.outputs.branch }}"
+          
+          # Extract title from branch name (dev/foo-bar → foo bar)
+          TITLE=$(echo "$BRANCH" | sed 's|^dev/||; s|^feature/||; s|^fix/||; s|-| |g; s|_| |g')
+          
+          # Capitalize first letter
+          TITLE="$(echo "${TITLE:0:1}" | tr '[:lower:]' '[:upper:]')${TITLE:1}"
+          
+          gh pr create \
+            --base "$TARGET" \
+            --head "$BRANCH" \
+            --title "$TITLE" \
+            --body "Auto-created PR from \`$BRANCH\` to \`$TARGET\`.
+
+## Changes
+
+<!-- Describe your changes here -->
+
+---
+*This PR was auto-created by the feature-pr workflow.*"
+          
+          echo "Created PR: $BRANCH → $TARGET"