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

scripts/debug/test-hot-reload.css

@@ -0,0 +1,46 @@
+/* Hot Reload Test Styles */
+body { 
+    font-family: monospace; 
+    margin: 20px;
+    background-color: #f5f5f5;
+}
+
+h1 {
+    color: #333;
+    border-bottom: 2px solid #007cba;
+    padding-bottom: 10px;
+}
+
+#log { 
+    background: #f0f0f0; 
+    border: 1px solid #ddd;
+    border-radius: 4px;
+    padding: 10px; 
+    margin-top: 10px; 
+    height: 400px; 
+    overflow-y: scroll;
+    font-family: 'Courier New', monospace;
+    font-size: 12px;
+}
+
+#status { 
+    font-weight: bold; 
+    font-size: 18px; 
+    padding: 10px;
+    border-radius: 4px;
+    background: #e8e8e8;
+    margin-bottom: 10px;
+}
+
+#log p {
+    margin: 2px 0;
+    padding: 2px 0;
+}
+
+#log p:hover {
+    background: #e0e0e0;
+}
+
+.connected { color: green; }
+.error { color: red; }
+.warning { color: orange; }