chore: release main

[github-actions]

Release preparation

This automated PR prepares the next Rho releases. The sections below list each package version, its generated release notes, and the version files that will be updated.

Merging this PR creates draft GitHub releases, validates and publishes the selected crates, publishes the GitHub releases, and builds the release artifacts.

rho-agent-tools: 0.16.0

0.16.0 (2026-08-11)

Features

• subagents: add parent-child plain-text messaging for Rho runtime (#852) (dd25d8e)

Dependencies

• The following workspace dependencies were updated
  • dependencies
    • rho-sdk bumped from 2.1.0 to 3.0.0

rho-coding-agent: 1.35.0

1.35.0 (2026-08-11)

Features

• prompt: prefer top-down mermaid flowcharts (#849) (ed7d59a)
• prompt: put session cwd in the system prompt (#857) (e614d9b)
• subagents: add parent-child plain-text messaging for Rho runtime (#852) (dd25d8e)
• subagents: enable parent messaging for claude-cli children (#854) (22caf60)
• tui: scale feed image height with the history viewport (#856) (3bee525)

Bug Fixes

• advisor: stop Claude plan mode from poisoning guidance (#853) (5209474)
• subagents: allow questionnaire on parent-bridged delegated runs (#851) (127510b)
• tui: stop link underlines from spilling into gutters (#858) (fdde28c)

Dependencies

• The following workspace dependencies were updated
  • dependencies
    • rho-sdk bumped from 2.1.0 to 3.0.0
    • rho-providers bumped from 0.19.1 to 0.20.0

rho-providers: 0.20.0

0.20.0 (2026-08-11)

Features

• subagents: add parent-child plain-text messaging for Rho runtime (#852) (dd25d8e)

Dependencies

• The following workspace dependencies were updated
  • dependencies
    • rho-sdk bumped from 2.1.0 to 3.0.0

rho-sdk: 3.0.0

3.0.0 (2026-08-11)

⚠ BREAKING CHANGES

• hooks: AuthorizationDenialKind and ApprovalAuditDecision gain a hook variant. Both are #[non_exhaustive], so only exhaustive matches written before this change need updating.
• xai: ModelEvent::WebSearch and RunEvent::WebSearch now carry a name field so hosts can distinguish web_search from x_search.

Features

• add advisor mode with a selectable advisor model (#752) (13c1ebb)
• config: mid-session edit tool, advisor, and auto preference (#840) (423d026)
• hooks: add typed lifecycle hooks (#668) (4a69c3d)
• openai: add fast mode (#610) (8c5cd6d)
• providers: add native Google Gemini support (#430) (34ef307)
• providers: add Qwen Token Plan OpenAI-compatible provider (#738) (6aa6df2)
• providers: use OpenAI server-side compaction for codex and api-key (#514) (b18eadd)
• questionnaire: add focused default selection (#530) (47d1853)
• questionnaire: support choice descriptions (#510) (066899c)
• sdk: add embeddable Rho runtime (#262) (6fdac81)
• sdk: execute independent tool calls concurrently (#459) (0bb5a83)
• sessions: add conversation tree navigation (#474) (8abb138)
• subagents: add parent-child plain-text messaging for Rho runtime (#852) (dd25d8e)
• subagents: route background questionnaires to parent (#539) (e0cab31)
• tui: add retractable pending input (#334) (5f293a2)
• tui: redesign questionnaire with tabbed question layout (#369) (a90135a)
• tui: render read file image previews (#393) (52165ec)
• tui: show detailed activity stages (#403) (267a47b)
• tui: show model output token rate (#623) (a5aa688)
• usage: add durable request ledger (#381) (0502b99)
• workflow: add deterministic DAG workflows (#680) (77f36f9)
• xai: support hosted x_search tool (#647) (cd0c897)

Bug Fixes

• exclude reasoning tokens from throughput (#819) (d261b5b)
• kimi: use provider-native K3 reasoning (#402) (5453cdc)
• metrics: include reasoning latency in output rate (#632) (7f7fa39)
• openai: align Codex Responses wire contracts (#644) (76cf855)
• poolside: publish final stream usage snapshot (#516) (d51ebab)
• providers: show bounded error diagnostics (#344) (e3fc489)
• providers: surface rate-limit reset time and /limits pointer (#733) (b9371fc)
• sdk: commit turn history on provider failure (#739) (b4158ab)
• sdk: recover failed 1.17.1 release packaging (#587) (224189e)
• sdk: recover failed 1.32.0 release packaging (#792) (a782145)
• sdk: retry retryable provider failures instead of failing the run (#401) (b2867da)
• sdk: serialize identical concurrent approval requests to prompt once (#469) (45b2b0a)
• sdk: stabilize compaction release benchmark (#561) (8364edc)
• skills: enforce manual skill invocation (#453) (4f6f043)
• subagents: run multi-agent batches in parallel (#544) (7dd6706)
• tools: allow file paths outside workspace (#537) (8a3cc24)
• tools: scrub provider credential env vars from child processes (#502) (6d66913)
• tui: open approval prompts at the start and default to deny (#636) (59efc07)
• tui: report generation token throughput (#803) (4772f68)
• tui: report herdr blocked during questionnaire (#500) (1dcdbe9)
• tui: show codex fast mode and report tier fallback (#663) (177043f)
• tui: show hosted x_search tool cards (#662) (4381667)
• tui: stabilize live stream tool cards and markdown previews (#595) (752794f)

Performance Improvements

• optimize orchestration and session hot paths (#603) (62aa8f5)
• reduce hot-path allocations and redundant I/O (#280) (c18e582)
• sdk: avoid duplicate history clone during compaction (#276) (79e3926)

---

This PR was generated with Release Please. See documentation.

[github-actions]

🤖 Created releases:

• rho-coding-agent-v1.35.0
• rho-sdk-v3.0.0
• rho-agent-tools-v0.16.0
• rho-providers-v0.20.0

🌻