ci(realtime): enable manual runs and config-triggered builds

Add workflow dispatch support and rebuild triggers for config/constants.php, with test coverage for both workflow changes.

.github/workflows/coolify-realtime.yml

@@ -1,10 +1,12 @@
 name: Coolify Realtime
 
 on:
+  workflow_dispatch:
   push:
     branches: [ "main" ]
     paths:
       - .github/workflows/coolify-realtime.yml
+      - config/constants.php
       - docker/coolify-realtime/**
 
 permissions:

tests/Unit/ProductionImageWorkflowTest.php

@@ -94,6 +94,8 @@ it('prevents the stable realtime workflow from publishing an existing version',
     $workflow = file_get_contents(dirname(__DIR__, 2).'/.github/workflows/coolify-realtime.yml');
 
     expect($workflow)
+        ->toContain('workflow_dispatch:')
+        ->toContain('- config/constants.php')
         ->toContain('check-version:')
         ->toContain('needs: check-version')
         ->toContain('php bootstrap/getRealtimeVersion.php')