feat: refactor repository routes to use unified cache service and fix data accuracy issues

.gitignore

@@ -334,4 +334,12 @@ apps/backend/logs/
 
 .claude*
 .mcp.json
-.serena
+# Serena MCP - ignore cache but track memories and config
+.serena/cache/
+# Track Serena memories and project configuration
+!.serena/
+!.serena/.gitignore
+!.serena/project.yml
+!.serena/memories/
+!.serena/memories/*.md
+.github/instructions/sonarqube_mcp.instructions.md

.markdownlint-cli2.yaml

@@ -38,6 +38,7 @@ gitignore: true
 globs:
   - '**/*.{md,markdown}'
 
-# 5) Ignore patterns - exclude prompts folder
+# 5) Ignore patterns - exclude prompts folder and Serena memories
 ignores:
   - 'prompts/**/*.{md,markdown}'
+  - '.serena/memories/**/*.{md,markdown}'

.serena/.gitignore

@@ -0,0 +1 @@
+/cache