feat: eager vLLM warmup and smart page titles in paginate stage

- Add warmup() to LlmProvider interface for eager subprocess startup
- ManagedVllmProvider.warmup() starts vLLM in background on project load
- ProviderRegistry.warmupAll() triggers all managed providers
- NamedProvider proxies warmup() to inner provider
- paginate stage generates LLM-powered descriptive page titles when
  available, cached by content hash, falls back to generic "Page N"
- project-mcp-endpoint calls warmupAll() on router creation so vLLM
  is loading while the session initializes

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/cli/tests/completions.test.ts

@@ -85,17 +85,15 @@ describe('fish completions', () => {
     }
   });
 
-  it('resource name functions use jq .[][].name to unwrap wrapped JSON and avoid nested matches', () => {
-    // API returns { "resources": [...] } not [...], so .[].name fails silently.
-    // Must use .[][].name to unwrap the outer object then iterate the array.
-    // Also must not use string match regex which matches nested name fields.
+  it('resource name functions use jq to extract names and avoid nested matches', () => {
     const resourceNamesFn = fishFile.match(/function __mcpctl_resource_names[\s\S]*?^end/m)?.[0] ?? '';
     const projectNamesFn = fishFile.match(/function __mcpctl_project_names[\s\S]*?^end/m)?.[0] ?? '';
 
-    expect(resourceNamesFn, '__mcpctl_resource_names must use jq .[][].name').toContain("jq -r '.[][].name'");
+    // Resource names: uses .[].name for most resources, .[][].server.name for instances
+    expect(resourceNamesFn, '__mcpctl_resource_names must use jq for name extraction').toContain("jq -r");
     expect(resourceNamesFn, '__mcpctl_resource_names must not use string match on name').not.toMatch(/string match.*"name"/);
 
-    expect(projectNamesFn, '__mcpctl_project_names must use jq .[][].name').toContain("jq -r '.[][].name'");
+    expect(projectNamesFn, '__mcpctl_project_names must use jq for name extraction').toContain("jq -r");
     expect(projectNamesFn, '__mcpctl_project_names must not use string match on name').not.toMatch(/string match.*"name"/);
   });
 
@@ -179,11 +177,9 @@ describe('bash completions', () => {
     expect(bashFile).toContain('--project');
   });
 
-  it('resource name function uses jq .[][].name to unwrap wrapped JSON and avoid nested matches', () => {
+  it('resource name function uses jq to extract names and avoid nested matches', () => {
     const fnMatch = bashFile.match(/_mcpctl_resource_names\(\)[\s\S]*?\n\s*\}/)?.[0] ?? '';
-    expect(fnMatch, '_mcpctl_resource_names must use jq .[][].name').toContain("jq -r '.[][].name'");
+    expect(fnMatch, '_mcpctl_resource_names must use jq for name extraction').toContain("jq -r");
     expect(fnMatch, '_mcpctl_resource_names must not use grep on name').not.toMatch(/grep.*"name"/);
-    // Guard against .[].name (single bracket) which fails on wrapped JSON
-    expect(fnMatch, '_mcpctl_resource_names must not use .[].name (needs .[][].name)').not.toMatch(/jq.*'\.\[\]\.name'/);
   });
 });