feat: pass --config to cn remote

[sestinj]

Description

so we can use custom agents when starting them remotely

---

Summary by cubic

Adds a --config flag to cn remote to launch remote sessions with a custom agent/config. The request now includes agent and config fields, and the PR review workflow uses this flag.

• New Features
  • Accepts --config on cn remote; forwards value to API as agent and config.
  • Applies common CLI options to remote via addCommonOptions.
  • Adds tests for config handling and updates the GitHub workflow to pass a default config.

[cubic-dev-ai]

1 issue found across 4 files

_{React with 👍 or 👎 to teach cubic. You can also tag @cubic-dev-ai to give feedback, ask questions, or re-run the review.}

[cubic-dev-ai]

Expecting config to be undefined in parsed JSON is incorrect; JSON.stringify omits undefined properties so the key will be absent. Update the test to not expect this property when config is not provided.

Prompt for AI agents

Address the following comment on extensions/cli/src/commands/remote.test.ts at line 240:

<comment>Expecting config to be undefined in parsed JSON is incorrect; JSON.stringify omits undefined properties so the key will be absent. Update the test to not expect this property when config is not provided.</comment>

<file context>
@@ -236,6 +236,71 @@ describe(&quot;remote command&quot;, () =&gt; {
       idempotencyKey: testIdempotencyKey,
       branchName: testBranch,
+      agent: undefined,
+      config: undefined,
+    });
+  });
</file context>

[sestinj]

🎉 This PR is included in version 1.13.0 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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