chore(master): release 2.2.0

[github-actions]

🤖 I have created a release beep boop

2.2.0 (2026-06-10)

Features

• cloud session creation UI in SessionsSheet (5c4d61a)
• remote session UI — settings panel, remote URL banner, new-session wiring (d6e6b5d)
• sdk: upgrade @github/copilot-sdk to 1.0.0 stable (eeb0a1c)
• server: empty client mode, cloud sessions, remote toggle, tool failure surfacing (bf1e9f7)
• silent resume via suppressResumeEvent on auto re-attach (b2557d1)
• UBB billing terminology — AI Credits (AIC) replaces premium requests in UI (4f03591)
• upgrade Copilot SDK 1.0.0 + cloud/remote sessions + robust UI/testing (ed8a03c)

Bug Fixes

• address copilot review findings for safety and branch validation (8525f99)
• no hardcoded gpt-4.1 default — SDK picks default model, retry on unavailable model, reset stale saved model (7d9a874)

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