ui: Remove recommended MCP Servers + improve MCP Servers Settings UI/UX (#25535)

* fix: drop MCP recommendations auto-popup and silent preloads

* feat: Add consent-driven MCP recommendations inside Add New Server dialog

* refactor: Drop mcpDefaultServerOverrides for mcpServers[i].enabled

* feat: Center the empty state on the MCP settings page

* fix: keep existing MCP cards intact when adding a new server

* fix: keep MCP cards stable when a new server is added

* refactor: keep MCP server list in config insertion order

* feat: shrink the recommended-MCP cards to two tools each and fit them in one row

* feat: make recommended MCP cards click-to-fill and tighten copy

* feat: highlight the selected MCP recommendation and stop auto-focus on dialog open

* feat: derive MCP recommendation selection from the form URL

* fix: make recommendation MCP cards fully non-focusable

* fix: redirect focus from first card to the URL input on consent

* chore: Formatting

* refactor: Remove Recommended MCP Servers completely

* fix: Preserve legacy mcpDefaultServerOverrides key after merge migration for downgrade compatibility

tools/ui/src/lib/constants/settings-registry.ts

@@ -28,7 +28,6 @@ import McpLogo from '$lib/components/app/mcp/McpLogo.svelte';
 import { SETTINGS_KEYS } from './settings-keys';
 import { ROUTES, SETTINGS_SECTION_SLUGS } from './routes';
 import { TITLE_GENERATION } from './title-generation';
-import { RECOMMENDED_MCP_SERVERS } from './recommended-mcp-servers';
 
 export const SETTINGS_SECTION_TITLES = {
 	GENERAL: 'General',
@@ -775,16 +774,9 @@ const NON_UI_SETTINGS: SettingsEntry[] = [
 		key: SETTINGS_KEYS.MCP_SERVERS,
 		label: 'MCP servers',
 		help: 'Configure MCP servers as a JSON list. Use the form in the MCP Client settings section to edit.',
-		defaultValue: JSON.stringify(RECOMMENDED_MCP_SERVERS),
+		defaultValue: '[]',
 		type: SettingsFieldType.INPUT,
 		sync: { serverKey: SETTINGS_KEYS.MCP_SERVERS, paramType: SyncableParameterType.STRING }
-	},
-	{
-		key: SETTINGS_KEYS.MCP_DEFAULT_SERVER_OVERRIDES,
-		label: 'MCP default server overrides',
-		help: 'Per-server enable/disable defaults inherited by new chats. JSON-serialized list of {serverId, enabled} entries.',
-		defaultValue: '[]',
-		type: SettingsFieldType.INPUT
 	}
 	// {
 	// 	key: SETTINGS_KEYS.PY_INTERPRETER_ENABLED,