feat: add OpenAI OAuth, strict model overrides, and Gmail pull mode

src/commands/builtin/index.test.ts

@@ -0,0 +1,37 @@
+import { describe, it, expect, vi } from 'vitest';
+
+import { createModelCommand } from './index.js';
+
+describe('builtin /model command', () => {
+  it('passes through the full argument string', async () => {
+    const cmd = createModelCommand();
+    const setModel = vi.fn(() => 'ok');
+
+    const result = await cmd.execute(['default', 'github/gpt-5-mini'], {
+      channel: 'test',
+      senderId: 'user',
+      sessionId: 's1',
+      rawInput: '/model default github/gpt-5-mini',
+      services: { setModel },
+    });
+
+    expect(setModel).toHaveBeenCalledWith('default github/gpt-5-mini');
+    expect(result).toEqual({ handled: true, text: 'ok' });
+  });
+
+  it('still works for single-argument tier switching', async () => {
+    const cmd = createModelCommand();
+    const setModel = vi.fn(() => 'switched');
+
+    const result = await cmd.execute(['fast'], {
+      channel: 'test',
+      senderId: 'user',
+      sessionId: 's1',
+      rawInput: '/model fast',
+      services: { setModel },
+    });
+
+    expect(setModel).toHaveBeenCalledWith('fast');
+    expect(result).toEqual({ handled: true, text: 'switched' });
+  });
+});

src/commands/builtin/index.ts

@@ -86,7 +86,9 @@ export function createModelCommand(): CommandDefinition {
 
       return {
         handled: true,
-        text: await ctx.services.setModel(args[0]),
+        // Pass through the full argument string so frontends can support
+        // richer syntax like: /model <tier> <provider/model>
+        text: await ctx.services.setModel(args.join(' ')),
       };
     },
   };