fix(settings): wire provider OAuth, add canonical hermes-config API

electron/server-bundle.cjs

@@ -254165,7 +254165,7 @@ data: ${JSON.stringify(event2.data)}
             }
             return Response.json({
               ok: true,
-              message: "Config updated. Restart Claude to apply changes."
+              message: "Config updated. Restart Hermes to apply changes."
             });
           }
         }

src/components/settings-dialog/settings-dialog.test.tsx

@@ -0,0 +1,25 @@
+import { describe, expect, it } from 'vitest'
+import {
+  getOAuthStartButtonLabel,
+  getProviderClickAction,
+} from './settings-dialog'
+
+describe('getProviderClickAction', () => {
+  it('routes provider cards to the right detail panel', () => {
+    expect(getProviderClickAction({ authType: 'oauth', hasKey: true })).toBe('oauth')
+    expect(getProviderClickAction({ authType: 'none', hasKey: true })).toBe('local')
+    expect(getProviderClickAction({ authType: 'api_key', hasKey: true })).toBe('select')
+    expect(getProviderClickAction({ authType: 'api_key', hasKey: false })).toBe('ignore')
+    expect(
+      getProviderClickAction({ providerId: 'custom', authType: 'api_key', hasKey: true }),
+    ).toBe('custom')
+  })
+})
+
+describe('getOAuthStartButtonLabel', () => {
+  it('shows Start OAuth when idle and Waiting... while the flow is active', () => {
+    expect(getOAuthStartButtonLabel('idle')).toBe('Start OAuth')
+    expect(getOAuthStartButtonLabel('starting')).toBe('Waiting...')
+    expect(getOAuthStartButtonLabel('pending')).toBe('Waiting...')
+  })
+})