Test: [Cloud Agent] Model and Partner Agents

[joshspicer]

ref: #286170

• anyOS @eleanorjboyd
• anyOS @bhavyaus

Complexity: 4

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Pre-requisites

• For partner agents: Must feature flagged into the GitHub. Contact Josh, who will contact GitHub to get you flagged in.
• Once FF'd in, you need to self-enable here: https://github.com/settings/copilot/coding_agent

Steps

1. Open a personal GitHub repo
2. Open chat
3. Swap to 'cloud'
4. Observe options selectable for the cloud agent

NOTE: The three pickers are [Partner Agent] [Custom Agent] [Model]. These pickers will dynamically hide if there are no options to pick from. For example, if you don't have a custom agent (apple_developer_docs for me) checked into your GitHub repo, it wouldn't show up here:

Selecting a 'partner agent' other than 'copilot' will HIDE the custom agent and model pickers. Those are not suppported.

Some examples of expected views:

Please test out this feature by sending cloud agent jobs for your personal repo.

Reporting issues

Please try to include (or DM to Josh) your trace logs from Output > github copilot chat.