fix: use local scaffolder templates instead of remote URLs

Switch AI Generate UT Cases and AI Check UT Quality templates
from remote GitHub URLs to local files so variable replacements
for dev/main branch defaults take effect.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: Ubuntu

app-config.yaml

@@ -187,14 +187,14 @@ catalog:
     - allow: [Component, System, API, Group, User, Resource, Location, Template]
   locations:
     # AI Check UT Quality template
-    - type: url
-      target: https://github.com/sourcefuse/ai-test-quality-analyzer/blob/CheckUnitTestCases/scaffolder/ut-quality-workflow/template.yaml
+    - type: file
+      target: ../../templates/github-workflow/template.yaml
       rules:
         - allow: [Template]
 
     # AI Generate UT Cases template
-    - type: url
-      target: https://github.com/sourcefuse/ai-test-quality-analyzer/blob/GenerateUnitTestCases/scaffolder/generate-ut-workflow/template.yaml
+    - type: file
+      target: ../../templates/generate-ut-workflow/template.yaml
       rules:
         - allow: [Template]