feat(mcp): add logs tab to MCP server detail panel (frontend) (#2310)

* feat(mcp): add logs tab to MCP server detail panel

- Add MCPLogs component mirroring PluginLogs functionality
- Add getMcpServerLogs API method to BackendClient
- Add logs tab to MCPForm detail panel (edit mode only)
- Add i18n keys (tabLogs, logsLevelAll, logsRefresh, logsAutoRefresh, logsEmpty) to all 8 locales
- Auto-refresh logs every 3s with toggle
- Filter logs by level (ALL/DEBUG/INFO/WARNING/ERROR)

* style: fix prettier formatting in MCPForm.tsx logs tab

* style: fix prettier in i18n locale files

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Co-authored-by: dadachann <dadachann@users.noreply.github.com>
Co-authored-by: dadachann <185672915+dadachann@users.noreply.github.com>

web/src/i18n/locales/en-US.ts

@@ -828,6 +828,12 @@ const enUS = {
     tabTools: 'Tools',
     tabResources: 'Resources',
     tabDocs: 'Docs',
+    tabLogs: 'Logs',
+    logsLevelAll: 'All levels',
+    logsRefresh: 'Refresh',
+    logsAutoRefresh: 'Auto refresh',
+    logsEmpty:
+      'No logs yet. Runtime logs from the MCP server will appear here.',
     noReadme: 'No documentation available',
     parseResultFailed: 'Failed to parse test result',
     noResultReturned: 'Test returned no result',