diff --git a/.mokogitea/workflows/pre-release.yml b/.mokogitea/workflows/pre-release.yml
index 162b08f..68e5f70 100644
--- a/.mokogitea/workflows/pre-release.yml
+++ b/.mokogitea/workflows/pre-release.yml
@@ -17,6 +17,10 @@ on:
     types: [closed]
     branches:
       - dev
+  pull_request_target:
+    types: [synchronize, opened, reopened]
+    branches:
+      - main
   workflow_dispatch:
     inputs:
       stability:
@@ -43,7 +47,8 @@ jobs:
     runs-on: release
     if: >-
       github.event_name == 'workflow_dispatch' ||
-      (github.event.pull_request.merged == true && github.event.pull_request.base.ref == 'dev')
+      (github.event_name == 'pull_request' && github.event.pull_request.merged == true && github.event.pull_request.base.ref == 'dev') ||
+      (github.event_name == 'pull_request_target' && github.event.pull_request.base.ref == 'main')
 
     steps:
       - name: Checkout
@@ -51,6 +56,7 @@ jobs:
         with:
           fetch-depth: 0
           token: ${{ secrets.MOKOGITEA_TOKEN }}
+          ref: ${{ github.event_name == 'pull_request_target' && github.event.pull_request.head.sha || '' }}
 
       - name: Setup moko-platform tools
         env:
@@ -60,7 +66,7 @@ jobs:
           if ! command -v composer &> /dev/null; then
             sudo apt-get update -qq && sudo apt-get install -y -qq php-cli php-mbstring php-xml php-zip php-curl composer >/dev/null 2>&1
           fi
-          # Always fetch latest CLI tools — never use stale cache from previous runs
+          # Always fetch latest CLI tools — never use stale cache from previous runs
           rm -rf /tmp/moko-platform-api
           git clone --depth 1 --branch main --quiet \
             "https://x-access-token:${MOKO_CLONE_TOKEN}@${MOKO_CLONE_HOST}/moko-platform.git" \
@@ -76,7 +82,12 @@ jobs:
       - name: Resolve metadata and bump version
         id: meta
         run: |
-          STABILITY="${{ inputs.stability || 'development' }}"
+          # Auto-detect stability: RC for PRs targeting main, else use input or default to development
+          if [ "${{ github.event_name }}" = "pull_request_target" ] && [ "${{ github.event.pull_request.base.ref }}" = "main" ]; then
+            STABILITY="release-candidate"
+          else
+            STABILITY="${{ inputs.stability || 'development' }}"
+          fi
 
           case "$STABILITY" in
             development)        SUFFIX="-dev";   TAG="development" ;;