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/tests/unit/parse-mcp-server-settings.test.ts

@@ -5,11 +5,10 @@ import { DEFAULT_MCP_CONFIG, MCP_SERVER_ID_PREFIX } from '$lib/constants/mcp';
 /**
  * Tests for the mcpServers settings parser.
  *
- * The branch seeds the MCP servers setting with a default value of
- * `JSON.stringify(RECOMMENDED_MCP_SERVERS)`, so the parser has to be
- * resilient to anything that may live in the user's localStorage: malformed
- * JSON, wrong shapes, missing fields, falsy-but-not-zero numbers, and entry
- * arrays that have been mutated by the user via the settings form.
+ * The parser has to be resilient to anything that may live in the
+ * user's localStorage: malformed JSON, wrong shapes, missing fields,
+ * falsy-but-not-zero numbers, and entry arrays that have been mutated
+ * by the user via the settings form.
  */
 describe('parseMcpServerSettings', () => {
 	it('returns an empty array for falsy or whitespace-only input', () => {