revert(ci): restore pre-release.yml to upstream template

RC-on-PR-to-main is already handled by auto-release.yml (promote-rc job).
pre-release.yml only needs to handle dev releases (PR merged to dev) and
manual dispatch.

Authored-by: Moko Consulting
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.mokogitea/workflows/pre-release.yml

@@ -14,10 +14,9 @@ name: "Universal: Pre-Release"
 
 on:
   pull_request:
-    types: [opened, ready_for_review, closed]
+    types: [closed]
     branches:
       - dev
-      - main
   workflow_dispatch:
     inputs:
       stability:
@@ -40,12 +39,11 @@ env:
 
 jobs:
   build:
-    name: "Build Pre-Release (${{ inputs.stability || (github.event.pull_request.base.ref == 'main' && 'release-candidate') || 'development' }})"
+    name: "Build Pre-Release (${{ inputs.stability || 'development' }})"
     runs-on: release
     if: >-
       github.event_name == 'workflow_dispatch' ||
-      (github.event.pull_request.merged == true && github.event.pull_request.base.ref == 'dev') ||
-      (github.event.action != 'closed' && github.event.pull_request.base.ref == 'main')
+      (github.event.pull_request.merged == true && github.event.pull_request.base.ref == 'dev')
 
     steps:
       - name: Checkout
@@ -75,35 +73,10 @@ jobs:
         run: |
           php ${MOKO_CLI}/manifest_read.php --path . --github-output
 
-      - name: Rename branch to rc on PR draft to main
-        if: >-
-          github.event.action != 'closed' &&
-          github.event.pull_request.base.ref == 'main'
-        run: |
-          HEAD_BRANCH="${{ github.event.pull_request.head.ref }}"
-          if [ "$HEAD_BRANCH" != "rc" ]; then
-            git config --local user.email "gitea-actions[bot]@mokoconsulting.tech"
-            git config --local user.name "gitea-actions[bot]"
-            git remote set-url origin "https://x-access-token:${{ secrets.MOKOGITEA_TOKEN }}@git.mokoconsulting.tech/${{ github.repository }}.git"
-            git checkout -b rc
-            git push origin rc 2>&1 || true
-            # Update PR head branch via API
-            curl -s -X PATCH \
-              -H "Authorization: token ${{ secrets.MOKOGITEA_TOKEN }}" \
-              -H "Content-Type: application/json" \
-              -d "{\"head\": \"rc\"}" \
-              "${GITEA_URL}/api/v1/repos/${{ github.repository }}/pulls/${{ github.event.pull_request.number }}" || true
-          fi
-
       - name: Resolve metadata and bump version
         id: meta
         run: |
-          # Auto-detect RC when PR targets main
-          if [ "${{ github.event.pull_request.base.ref }}" = "main" ] && [ "${{ github.event.action }}" != "closed" ]; then
-            STABILITY="release-candidate"
-          else
-            STABILITY="${{ inputs.stability || 'development' }}"
-          fi
+          STABILITY="${{ inputs.stability || 'development' }}"
 
           case "$STABILITY" in
             development)        SUFFIX="-dev";   TAG="development" ;;
@@ -169,7 +142,7 @@ jobs:
           php ${MOKO_CLI}/release_create.php \
             --path . --version "$VERSION" --tag "$TAG" \
             --token "${{ secrets.MOKOGITEA_TOKEN }}" --api-base "$API_BASE" \
-            --repo "${GITEA_REPO}" --branch "${{ github.ref_name }}" --prerelease
+            --repo "${GITEA_REPO}" --branch dev --prerelease
 
       - name: Build package and upload
         id: package