chore(main): release 1.13.0

[dylanneve1]

🤖 I have created a release beep boop

1.13.0 (2026-05-21)

Features

• Antigravity (Python SDK) + agy (local OAuth) backends + MCP supervisor refactor (#224) (b8ba43f)
• backend: multi-role BackendPool + per-chat overrides + /model integration + openai-agents MCP fixes (#211) (cb2a661)
• codex: dynamic model discovery via OpenAI /v1/models (#228) (6f88189)

Bug Fixes

• claude-sdk: post-result watchdog for stuck SDK iterator (#218) (a6796d1)
• claude-sdk: preserve SDK loop on terminator delivery failure via SDK's native error pipeline (#159) (9fefe59)
• codex: auto-approve MCP tools + run with full permissions (#234) (14e55f0)
• codex: harden ChatGPT-OAuth model compat — silent-exit recovery + runtime learning (#231) (892530a)
• codex: isolate backend auth credentials (#227) (088dd87)
• codex: only mark turn terminated on completed mcp_tool_call status (#233) (dea6f61)
• daemon+heartbeat: silent crash on /restart and stuck heartbeat #376 (#223) (669ab82)
• openai-agents: persist turn memory + expand ~/ in send_* actions (#208) (bf2b01b)

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[dylanneve1]

🤖 Created releases:

• v1.13.0

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