fix: show original session command after fork

.changeset/fork-return-command.md

@@ -0,0 +1,5 @@
+---
+"@moonshot-ai/kimi-code": patch
+---
+
+Show the original session resume command after forking a session.

apps/kimi-code/src/tui/kimi-tui.ts

@@ -5504,7 +5504,10 @@ export class KimiTUI {
     }
 
     try {
-      await this.switchToSession(forked, `Session forked (${forked.id}).`);
+      await this.switchToSession(
+        forked,
+        `Session forked (${forked.id}). To return to the original session: kimi -r ${session.id}`,
+      );
     } catch (error) {
       const msg = formatErrorMessage(error);
       this.showError(`Failed to switch to forked session: ${msg}`);

apps/kimi-code/test/tui/kimi-tui-message-flow.test.ts

@@ -1476,7 +1476,7 @@ describe('KimiTUI message flow', () => {
       expect(forked.onEvent).toHaveBeenCalledOnce();
       expect(harness.resumeSession).not.toHaveBeenCalled();
       expect(driver.state.transcriptContainer.render(120).join('\n')).toContain(
-        'Session forked (ses-fork).',
+        'Session forked (ses-fork). To return to the original session: kimi -r ses-source',
       );
     } finally {
       process.title = originalTitle;