refactor(mcp): improve data structure with metadata/spec separation

- Separate MCP server metadata from connection spec for cleaner architecture
- Add comprehensive server entry fields: name, description, tags, homepage, docs
- Remove legacy format compatibility logic from extract_server_spec
- Implement data validation and filtering in get_servers_snapshot_for
- Add strict id consistency check in upsert_in_config_for
- Enhance import logic with defensive programming for corrupted data
- Simplify frontend by removing normalization logic (moved to backend)
- Improve error messages with contextual information
- Add comprehensive i18n support for new metadata fields

src/vite-env.d.ts

@@ -6,6 +6,8 @@ import {
   CustomEndpoint,
   McpStatus,
   McpConfigResponse,
+  McpServer,
+  McpServerSpec,
 } from "./types";
 import { AppType } from "./lib/tauri-api";
 import type { UnlistenFn } from "@tauri-apps/api/event";
@@ -72,7 +74,7 @@ declare global {
       readClaudeMcpConfig: () => Promise<string | null>;
       upsertClaudeMcpServer: (
         id: string,
-        spec: Record<string, any>,
+        spec: McpServerSpec | Record<string, any>,
       ) => Promise<boolean>;
       deleteClaudeMcpServer: (id: string) => Promise<boolean>;
       validateMcpCommand: (cmd: string) => Promise<boolean>;
@@ -81,7 +83,7 @@ declare global {
       upsertMcpServerInConfig: (
         app: AppType | undefined,
         id: string,
-        spec: Record<string, any>,
+        spec: McpServer,
       ) => Promise<boolean>;
       deleteMcpServerInConfig: (
         app: AppType | undefined,