feat(dashboard): enrich droid docs and quick settings controls

- add reusable compatible-CLI docs registry with external provider fact-check links

- render docs links in Droid notes panel and keep future CLI extension points

- add left-column quick controls for key settings.json fields (reasoning/autonomy/diff/automation)

tests/unit/web-server/droid-dashboard-service.test.ts

@@ -5,6 +5,7 @@ import * as path from 'path';
 import {
   DroidRawSettingsConflictError,
   DroidRawSettingsValidationError,
+  getDroidDashboardDiagnostics,
   getDroidRawSettings,
   maskApiKeyPreview,
   resolveDroidConfigPaths,
@@ -110,6 +111,19 @@ describe('droid-dashboard-service', () => {
     expect(raw.rawText).toContain('invalid-json');
   });
 
+  it('includes structured docs links for fact-checking providers', async () => {
+    const diagnostics = await getDroidDashboardDiagnostics();
+
+    expect(diagnostics.docsReference.links.length).toBeGreaterThan(0);
+    expect(diagnostics.docsReference.providerDocs.length).toBeGreaterThan(0);
+    expect(diagnostics.docsReference.links.every((link) => link.url.startsWith('https://'))).toBe(
+      true
+    );
+    expect(
+      diagnostics.docsReference.providerDocs.some((doc) => doc.provider === 'anthropic')
+    ).toBe(true);
+  });
+
   it('saves valid raw settings content', async () => {
     const result = await saveDroidRawSettings({
       rawText: JSON.stringify({