refactor: extract shared validation and reduce duplication

- Extract tool_types validation to shared module (validate_compose_yaml, check_port_exposed, validate_required_variables)
- Extract _get_user and _get_owned_project to auth/dependencies.py
- Create useAsyncData hook and apply to 6 pages
- Create extractErrorMessage utility
- TypeScript and build pass

apps/web/src/pages/config-profiles.tsx

@@ -1,6 +1,7 @@
 import { useCallback, useEffect, useState } from "react";
 import { Icon } from "../components/icon";
 import { useMobileViewport } from "../hooks/use-mobile-viewport";
+import { extractErrorMessage } from "../utils/errors";
 import { MobileListView } from "../components/mobile-list-view";
 import { MobileDetailView } from "../components/mobile-detail-view";
 import { MobileEditView } from "../components/mobile-edit-view";
@@ -127,16 +128,6 @@ export const ConfigProfilesPage = () => {
     resetForm();
   };
 
-  const extractErrorMessage = (err: unknown): string => {
-    const axiosError = err as { response?: { data?: { detail?: string | Array<{msg?: string}> } } };
-    const detail = axiosError?.response?.data?.detail;
-    if (typeof detail === "string") return detail;
-    if (Array.isArray(detail)) {
-      return detail.map((d) => typeof d === "string" ? d : d.msg || JSON.stringify(d)).join(", ");
-    }
-    return "Failed to save";
-  };
-
   // Include management functions
   const getIncludedProfile = (id: string): ConfigProfile | undefined => profiles.find((p) => p.id === id);