test: add unit tests for text repl command

Verify command metadata and non-interactive mode rejection.

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

Author: NianJiuZst

test/commands/text/repl.test.ts

@@ -8,13 +8,15 @@ describe('text repl command', () => {
     expect(cmd.name).toBe('text repl');
     expect(cmd.description).toContain('interactive');
     expect(cmd.options).toBeDefined();
-    expect(cmd.options.length).toBeGreaterThan(0);
+
+    const options = cmd.options!;
+    expect(options.length).toBeGreaterThan(0);
 
     // Verify key options exist
-    const flags = cmd.options.map((o: { flag: string }) => o.flag);
-    expect(flags.some((f: string) => f.includes('model'))).toBe(true);
-    expect(flags.some((f: string) => f.includes('system'))).toBe(true);
-    expect(flags.some((f: string) => f.includes('max-tokens'))).toBe(true);
+    const flagNames = options.map(o => o.flag);
+    expect(flagNames.some(f => f.includes('model'))).toBe(true);
+    expect(flagNames.some(f => f.includes('system'))).toBe(true);
+    expect(flagNames.some(f => f.includes('max-tokens'))).toBe(true);
   });
 
   it('rejects non-interactive mode', async () => {