{"record":{"id":"db04f6510f8996e3","repo":"moeru-ai/airi","slug":"chat-sync-delete-api-v1-chats-failed-for","errorCode":null,"errorMessage":"[chat-sync] DELETE /api/v1/chats failed for","messagePattern":"\\[chat-sync\\] DELETE /api/v1/chats failed for","errorType":"console","errorClass":null,"httpStatus":null,"severity":"warning","filePath":"packages/stage-ui/src/stores/chat/session-store.ts","lineNumber":621,"sourceCode":"    await refreshOutboxPendingCount()\n\n    if (isCloudUser) {\n      const remoteChatId = cloudChatId ?? sessionId\n      // Tombstone first: even if the cloud DELETE never reaches the server\n      // (offline, transient 5xx), the next reconcile will see the remote id\n      // here and skip the adopt branch — preventing the ghost-session bug\n      // where the server still has the row and re-creates the local mapping.\n      // The reconcile-driven `drainTombstones` retries failed DELETEs.\n      await enqueuePersist(() => chatSessionsRepo.addTombstone(currentUserId, remoteChatId))\n      if (cloudChatId) {\n        getCloudMapper().deleteChat(cloudChatId).then(\n          async () => {\n            // Server confirmed the delete; reconcile will not see this id again,\n            // so we can drop the tombstone.\n            await enqueuePersist(() => chatSessionsRepo.removeTombstones(currentUserId, [cloudChatId]))\n          },\n          (err) => {\n            console.warn('[chat-sync] DELETE /api/v1/chats failed for', sessionId, errorMessageFrom(err))\n          },\n        )\n      }\n    }\n\n    const characterIndex = index.value?.characters[characterId]\n    const fallbackId = characterIndex\n      ? Object.keys(characterIndex.sessions).find(id => sessionMetas.value[id])\n      : undefined\n\n    // Persisted character fallback is shared, but live selection is local to\n    // the window that was displaying the deleted session.\n    if (fallbackId && characterIndex) {\n      characterIndex.activeSessionId = fallbackId\n      if (wasActive) {\n        activeSessionId.value = fallbackId\n        await loadSession(fallbackId)\n      }","sourceCodeStart":603,"sourceCodeEnd":639,"githubUrl":"https://github.com/moeru-ai/airi/blob/b6d0809ecb6421d492c4ce38aa7a76146c83269d/packages/stage-ui/src/stores/chat/session-store.ts#L603-L639","documentation":"Logged when the cloud mapper's DELETE /api/v1/chats/{id} request rejects while deleting a chat server-side. The local session is already removed, and a tombstone row was enqueued just before the call, so reconcile-driven drainTombstones keeps retrying the DELETE until the server confirms and the tombstone can be dropped. Without that retry, the still-existing server row would be re-adopted as a ghost session on the next reconcile round.","triggerScenarios":"Deleting a chat while the WebSocket/HTTP channel to the hosted backend is down; expired or invalid auth token (401); backend restarted or the DELETE route returns 4xx/5xx; misconfigured SERVER_URL so the request never reaches the API app.","commonSituations":"User deletes a chat right after the machine wakes from sleep, before the client reconnects; long-lived tab with an expired token; self-hosted docker-compose backend stopped; reverse proxy not forwarding DELETE to the API app.","solutions":["Verify the hosted backend is reachable and SERVER_URL is correct (server/docker-compose.yaml stack up)","Re-login if the failure is 401/403 so the mapper sends a fresh token","Do nothing for transient failures — the tombstone enqueued before the DELETE is retried by drainTombstones on the next successful connect","If it persists, inspect server logs for the failing DELETE /api/v1/chats/{cloudChatId} and its status code","Only clear the tombstone manually after confirming the chat is gone server-side, otherwise a ghost session returns"],"exampleFix":"// before\ngetCloudMapper().deleteChat(cloudChatId).then(\n  async () => { await enqueuePersist(() => chatSessionsRepo.removeTombstones(currentUserId, [cloudChatId])) },\n  err => console.warn('[chat-sync] DELETE /api/v1/chats failed for', sessionId, errorMessageFrom(err)),\n)\n\n// after: await + explicit tombstone-first ordering so reconcile owns retries\nawait enqueuePersist(() => chatSessionsRepo.addTombstone(currentUserId, remoteChatId))\ntry {\n  await getCloudMapper().deleteChat(cloudChatId)\n  await enqueuePersist(() => chatSessionsRepo.removeTombstones(currentUserId, [cloudChatId]))\n}\ncatch (err) {\n  // tombstone stays enqueued; drainTombstones retries on next reconcile\n  console.warn('[chat-sync] DELETE /api/v1/chats failed for', sessionId, errorMessageFrom(err))\n}","handlingStrategy":"retry","validationCode":"if (!cloudChatId) return // local-only chat: nothing to delete server-side\nif (!currentUserId) return // anonymous sessions have no server row","typeGuard":null,"tryCatchPattern":"// tombstone-first ordering: enqueue addTombstone BEFORE deleteChat, and only\n// removeTombstones on success so any rejection is retried by drainTombstones\nawait enqueuePersist(() => chatSessionsRepo.addTombstone(currentUserId, remoteChatId))\ntry {\n  await getCloudMapper().deleteChat(cloudChatId)\n  await enqueuePersist(() => chatSessionsRepo.removeTombstones(currentUserId, [cloudChatId]))\n}\ncatch (err) {\n  console.warn('[chat-sync] DELETE /api/v1/chats failed for', sessionId, errorMessageFrom(err))\n}","preventionTips":["Keep auth tokens fresh and surface 401s as a re-login prompt instead of silent warn storms","Ensure the backend stack is up before bulk operations that delete chats","Never remove a tombstone without a confirmed server delete","Correlate the warn with the cloudChatId, not just the local sessionId, when debugging"],"tags":["chat-sync","http-delete","tombstone","offline-retry","network"],"backgroundTag":"http-request-failed","analyzedSha":"b6d0809ecb6421d492c4ce38aa7a76146c83269d","analyzedAt":"2026-08-18T17:29:58.153Z","schemaVersion":2},"datasetVersion":"2026-08-23T13:39:53.451Z"}