chore(main): release 0.29.0

[github-actions]

🤖 I have created a release beep boop

0.29.0 (2026-08-19)

Features

• aimlapi: passwordless onboarding and resumable card top-up (3/3) (#2032) (fb9102c)
• cost: support exact custom model pricing (#2131) (09eba26)
• gateway: add Concentrate AI provider with dynamic model discovery (#2140) (084bc53)
• merge knowledge graph + conversation arc into memdir (#1811) (c461a03)
• partners: add ApiSmart, refresh Novita AI logo (#2121) (575b407)
• partners: add Concentrate and Exa to partner roster (#2141) (6e35903)
• xai: add Grok 4.6/4.5 to catalog, xAI provider, and gateways (#2117) (7cae408)
• zai: expand Coding Plan catalog support (#2127) (ea65516)

Bug Fixes

• api: resolve swarm-field tool names by own-property (#2123) (f553d08)
• bg: preserve detached session terminal outcomes (#2133) (108a413)
• code-reviewer: require inline diff input and preserve read-only search in embedded-search builds (#2102) (645d596)
• extend Ling 3.0 Tiny :free availability window to Aug 17 (ee64d80)
• Ling 3.0 Tiny :free window back to Aug 13 (official promo end) (6277bfa)
• mcp: paginate discovery list operations (#2132) (e9e6beb)
• web: link release notes to GitHub (#2114) (c40d663)
• websearch: reject non-positive WEB_CUSTOM env overrides (#2124) (6c7a12b)

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[github-actions]

🤖 Created releases:

• v0.29.0

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