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","![medium](https://www.gstatic.com/codereviewagent/medium-priority.svg)\n\nThe implementation of `transport` and `native_team_enabled` preservation is inconsistent with the stated intent in the comments and the PR description. \n\n1. **`transport` logic error**: The `UPDATE` clause uses `COALESCE(EXCLUDED.transport, agents.transport)`, but the `VALUES` clause provides a hardcoded default: `${agent.transport ?? 'tmux'}`. This ensures `EXCLUDED.transport` is never `NULL`, so the `COALESCE` will always return the new value (defaulting to `'tmux'` if omitted). If an agent was registered with `transport: 'inline'`, a subsequent `register()` call (like a heartbeat) that omits the field will incorrectly reset it to `'tmux'`.\n2. **`native_team_enabled` clobbering**: The `UPDATE` clause uses `EXCLUDED.native_team_enabled` directly, and the `VALUES` clause defaults to `false`. If a heartbeat caller omits this field, it will be reset to `false`, even if it was previously `true`. This contradicts the goal of not clobbering established values during refreshes.\n\nTo fix this for `transport` (which is nullable in the DB), you should pass `null` in the `VALUES` clause when omitted and handle the default in the `UPDATE` clause: `transport = COALESCE(EXCLUDED.transport, agents.transport, 'tmux')`.","## Code Review\n\nThis pull request addresses issue #1682 by updating the register function to preserve protocol fields during database updates using ON CONFLICT logic and adding corresponding regression tests. Feedback indicates that the current implementation fails to preserve these fields correctly because hardcoded defaults in the VALUES clause (such as 'tmux' for transport and false for native_team_enabled) will overwrite existing values when those fields are omitted in subsequent calls.","\n\n\n> [!IMPORTANT]\n> ## Review skipped\n> \n> Auto reviews are disabled on base/target branches other than the default branch.\n> \n> \n> \n> Please check the settings in the CodeRabbit UI or the `.coderabbit.yaml` file in this repository. To trigger a single review, invoke the `@coderabbitai review` command.\n> \n>

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\n\n\n_{Comment `@coderabbitai help` to get the list of available commands and usage tips.}\n\n","base_ref","head_ref","pull_request_info",[384],{"_331":57,"_57":385},"Addressed @gemini-code-assist and @chatgpt-codex-connector review in `b784aa27`:\n\n- **Transport COALESCE no-op (both bots, correct)**: Changed VALUES to `${agent.transport ?? null}` and DO UPDATE to `COALESCE(EXCLUDED.transport, agents.transport, 'tmux')`. Fresh INSERT with no transport still defaults to `'tmux'`; a heartbeat refresh that omits the field now preserves the established value (e.g. `'inline'`).\n- **`native_team_enabled` (Gemini)**: Author's design intent stands — spawn intent is authoritative on this field. Tightened the ON CONFLICT comment to make the caller contract explicit: every `register()` call MUST set `nativeTeamEnabled` because the `?? false` fallback in VALUES will clobber an existing `true` if omitted. Surveyed the three current runtime callers (`registerSpawnWorker`, `session.ts`, `protocol-router-spawn.ts`) — all set the field explicitly.\n- **Test coverage gap (both bots, implicit)**: Added a third regression test (`register preserves non-default transport across heartbeat refresh (PR #1684 review)`) that registers with `transport: 'inline'`, then heartbeat-refreshes omitting the field, asserting it stays `'inline'`. Pre-fix this would have silently flipped to `'tmux'`.\n\nValidation: `bun run typecheck` clean, `bunx biome check` clean. `bun test` hangs in this workspace (same environmental issue documented in PR body).",[414,415],[],{"_320":413},{"_317":412},{"_317":411},{"_281":282,"_271":283,"_284":285,"_286":18,"_287":70,"_288":18,"_289":290,"_291":292,"_293":294,"_295":137,"_296":297,"_298":139,"_299":-5,"_300":-5,"_301":302,"_303":-5,"_304":-5,"_305":410,"_307":308,"_309":308,"_310":311,"_312":308},{"_53":133,"_166":-5,"_167":168,"_169":170,"_171":18,"_172":173,"_174":175,"_176":399,"_178":-5,"_179":-5,"_180":18,"_181":400,"_183":184,"_185":184,"_186":401,"_188":402,"_190":403,"_192":-5,"_193":194,"_195":196,"_197":198,"_199":404,"_66":-5,"_129":201,"_202":405,"_204":406,"_206":207,"_208":18,"_209":18},{"_143":394},[395,396],{"_154":398,"_156":163},{"_154":397,"_156":157},{"_158":159,"_103":160,"_129":161},{"_158":164,"_103":160,"_129":165},{"_273":274,"_275":276,"_277":184,"_278":-5,"_279":-5,"_280":-5},[231],{"_231":407},{"_213":214,"_215":216,"_217":218,"_219":220,"_221":222,"_223":224,"_225":226,"_227":228,"_229":230},{},[],{"_212":70},{"_210":70,"_211":184},{"_53":233,"_158":234,"_235":408,"_237":238,"_239":240,"_241":242,"_243":244,"_245":246,"_247":248,"_249":75,"_250":-5,"_251":-5,"_252":-5,"_253":-5,"_254":-5,"_255":-5,"_256":-5,"_257":258,"_259":-5,"_66":409},{"_265":266,"_53":267,"_103":268,"_269":270,"_271":272},{"_261":18,"_262":18,"_263":18,"_264":18},{"_265":313,"_158":313,"_314":-5,"_269":315,"_53":316},[],[],[],{"_103":327,"_107":104,"_328":417},{"_103":324,"_325":416},[],[418],{"_331":57,"_57":332},[421,422,423,424,425,426,427],{"_342":343,"_237":238,"_344":282,"_249":-5,"_345":231,"_346":18,"_347":-5,"_348":-5,"_349":350,"_351":352,"_353":-5,"_354":-5,"_355":356,"_357":18,"_358":70,"_359":65,"_360":18,"_361":-5},{"_103":327,"_107":305,"_328":428},{"_289":290,"_291":292,"_380":297,"_381":139,"_301":-5,"_103":382},{"_103":369,"_291":379,"_371":-5,"_373":-5,"_375":-5},{"_103":369,"_291":378,"_371":-5,"_373":-5,"_375":-5},{"_103":369,"_291":377,"_371":372,"_373":374,"_375":-5},{"_103":369,"_291":376,"_371":-5,"_373":-5,"_375":-5},{"_103":369,"_291":370,"_371":372,"_373":374,"_375":-5},[429],{"_331":57,"_57":385},"task_e_69fcb29e6fd0832dadba82ced3b31ab0",1778168478.436897,"Github Mention: fix(registry): preserve native_team_enabled + provider across ON CONFLICT in register()","has_generated_title","has_unread_turn","denormalized_metadata",{"_461":43,"_462":463,"_464":-5,"_465":-5,"_456":466,"_467":-5,"_468":-5,"_469":-5,"_470":-5},"task_status_display",{"_449":450,"_451":170,"_140":137,"_452":-5,"_453":454},"creator_workspace","external_pull_requests",[442],{"_53":443,"_444":94,"_445":446,"_447":139},"github-1030039430-1684","assistant_turn_id","pull_request",{"_281":282,"_271":283,"_284":285,"_286":18,"_287":70,"_288":18,"_289":290,"_291":292,"_293":294,"_295":137,"_296":297,"_298":139,"_299":-5,"_300":-5,"_301":302,"_303":-5,"_304":-5,"_305":448,"_307":308,"_309":308,"_310":311,"_312":308},"codex_updated_sha",{"_265":313,"_158":313,"_314":-5,"_269":315,"_53":316},"latest_turn_status_display",{"_455":94,"_122":123,"_456":-5,"_105":457,"_458":-5,"_459":-5,"_460":454,"_124":-5},"environment_label","fix_task_id","initial_intent","pr","turn_id","diff_stats",[],"image_asset_pointer_citations","issue_counts","intent","num_follow_ups","repo_name_map",{},"last_user_turn_created_at","last_turn_status",{"_471":-5,"_472":-5,"_473":-5},"last_pushed_turn_id","start_branch_name","pushed_branch_name","cached_pull_request_data","files_modified","lines_added","lines_removed","dd",{"_488":489,"_490":491},"disablePrefetch","shouldPrefetchAccount","shouldPrefetchUser","shouldPrefetchSystemHints","manageRootRouteStylesheet","mobileWebHandoffEnabled","promoteCss","disableSSR","stripModulepreloadImports","paidCampaignAppRedirect","statsigGateEvaluationsPromise",["P",487],"traceId","7207214984981641382","traceTime",1791111292114]