fix: Gitea Traefik routing and connection pool optimization

- Remove middleware reference from Gitea Traefik labels (caused routing issues)
- Optimize Gitea connection pool settings (MAX_IDLE_CONNS=30, authentication_timeout=180s)
- Add explicit service reference in Traefik labels
- Fix intermittent 504 timeouts by improving PostgreSQL connection handling

Fixes Gitea unreachability via git.michaelschiemer.de

CLAUDE.md

@@ -10,16 +10,16 @@ This file provides guidance to Claude Code (claude.ai/code) when working with co
 @docs/claude/scheduler-queue-pipeline-persona.md
 @docs/claude/magiclinks-system.md
 @docs/claude/guidelines.md
-@docs/claude/common-workflows.md
-@docs/claude/error-handling.md
-@docs/claude/security-patterns.md
-@docs/claude/queue-system.md
-@docs/claude/event-system.md
+@docs/guides/common-workflows.md
+@docs/features/error-handling/guide.md
+@docs/features/security/patterns.md
+@docs/features/queue/system.md
+@docs/features/events/system.md
 @docs/claude/async-components.md
 @docs/claude/console-commands.md
-@docs/claude/database-patterns.md
+@docs/features/database/patterns.md
 @docs/claude/performance-monitoring.md
-@docs/claude/troubleshooting.md
+@docs/guides/troubleshooting.md
 
 ## MCP Server Integration 🤖