fix: plugin duplicate route registration + prestart.sh Python instead of psql + SMTP in docker-compose

app/plugins/registry.py

@@ -615,6 +615,15 @@ class PluginRegistry:
             routers = plugin.get_routes()
             mounted_routes: list[Any] = []
             for router in routers:
+                # Check if routes from this router are already registered (P1.2 fix)
+                # This prevents duplicate route registration when plugins are
+                # statically registered in main.py AND dynamically activated
+                existing_paths = {getattr(r, 'path', None) for r in self._app.router.routes}
+                router_paths = {getattr(r, 'path', None) for r in router.routes}
+                if router_paths & existing_paths:
+                    # Routes already registered — skip to avoid duplicates
+                    logger.debug("Plugin '%s' routes already registered, skipping", name)
+                    continue
                 # Snapshot existing route object IDs before inclusion
                 existing_ids = {id(r) for r in self._app.router.routes}
                 self._app.include_router(router)