v1.5.0-beta.3

Rolling beta with 36 commits merged from main since v1.5.0-beta.2 (2026-07-14). Owner decision: ship beta.3 before stable — beta.2 is ~1 month old.

New Platforms

• Google Chat — first-class platform adapter (#1424)
• WPS Agentspace — auto-login and token encryption (#1439)
• Tuitui — platform support (#849)

Features

• Feishu topic workspace isolation (#1551)
• Feishu quoted file on-demand download (#1588)
• Feishu first thread mention bootstrap (#1627)
• DingTalk chat-list title from content (#1288)
• Antigravity tool permissions bridge (#1328)
• Admin-gated exec commands — /commands addexec and /cron addexec behind admin_from (#1036)
• Pi permission mode env injection (#1637)
• Agent cmd TOML array form (#1673)
• sonnet[1m] fallback model (#1107)

Fixed

• Weixin send budget ret=-2 — fail fast per-account (#1643)
• Web admin agent-type-aware permission modes (#1251)
• Pi models-store.json fallback (#1636)
• Core code fence split (#1630)
• Core tool_max_len in card mode (#1257)
• DingTalk @userid extraction (#1250)
• Attachment filename collisions (#1557)
• Claude Code session title fallback (#1549)
• Claude Code missing work_dir detection (#1425)
• Antigravity session resume (#1584)
• Usage 7-day window duplicate render (#1583)
• i18n /model switch copy (#1373)
• CLI reject unknown commands (#353)
• Kimi preset global/China split
• cloud-web IPv6 test fix (#1646)
• darwin cross-build — remove duplicate CheckLinger stub that broke macOS release binary (#1093 follow-up)

See changelogs/v1.5.0-beta.3.md for full details.

Full Changelog: v1.5.0-beta.2...v1.5.0-beta.3