{"record":{"id":"582986d6beceefe9","repo":"odysseus-dev/odysseus","slug":"failed-to-delete-session","errorCode":null,"errorMessage":"Failed to delete session","messagePattern":"Failed to delete session","errorType":"exception","errorClass":"Error","httpStatus":null,"severity":"error","filePath":"static/js/sessions.js","lineNumber":2445,"sourceCode":"    uiModule.showToast('Unfavorite before deleting');\n    return false;\n  }\n  if (!await uiModule.styledConfirm('Delete this session?', { confirmText: 'Delete', danger: true })) {\n    return false;\n  }\n  if (window.chatModule && window.chatModule.abortCurrentRequest) {\n    window.chatModule.abortCurrentRequest();\n  }\n  _deselectCurrentSession(sid);\n  _removeSessionFromLocalState(sid);\n  _skipAutoSelect = true;\n  try {\n    const pm = await import('./presets.js');\n    if (pm.removePersistentChat) pm.removePersistentChat(sid);\n  } catch (e) {}\n  try {\n    const res = await fetch(`${API_BASE}/api/session/${sid}`, { method: 'DELETE' });\n    if (!res.ok) throw new Error('Failed');\n    uiModule.showToast('Session deleted');\n  } catch (e) {\n    uiModule.showError('Failed to delete session');\n  }\n  await loadSessions();\n  return true;\n}\n\n// Session list keyboard navigation: arrows to move, Delete to delete\nasync function _onSessionListKeydown(e) {\n  const item = e.target.closest('.list-item[data-session-id]');\n  if (!item) return;\n\n  if (e.key === 'ArrowDown' || e.key === 'ArrowUp') {\n    e.preventDefault();\n    // Get all visible session items across all containers\n    const allItems = Array.from(document.querySelectorAll('#session-list .list-item[data-session-id]'));\n    const idx = allItems.indexOf(item);","sourceCodeStart":2427,"sourceCodeEnd":2463,"githubUrl":"https://github.com/odysseus-dev/odysseus/blob/f9235ebbf13f693a6fd29ce70b097f6ec83705bf/static/js/sessions.js#L2427-L2463","documentation":"Generic user-facing toast shown when deleting a chat session fails. The try block covers three distinct failure points: dynamic import of presets.js (silently swallowed), the DELETE /api/session/{sid} call (any non-2xx throws 'Failed'), and loadSessions(). The catch conflates them into one message.","triggerScenarios":"DELETE /api/session/{sid} returns 4xx/5xx (session already deleted on server, auth cookie expired, server restarted and lost in-memory store), the server is unreachable (network offline), or the trailing await loadSessions() rejects.","commonSituations":"Stale session list after another tab/device deleted the session; app reload mid-delete; dev server restart wiping sessions; expired auth credentials.","solutions":["Check server logs / network tab for the DELETE status code to identify which failure fired","Retry after reloading sessions (loadSessions()) to refresh stale IDs","Ensure auth credentials are valid and API_BASE points at the running backend","Improve the catch to distinguish network vs HTTP errors (log e, include res.status in the message)"],"exampleFix":"// before\n  } catch (e) {\n    uiModule.showError('Failed to delete session');\n  }\n  await loadSessions();\n\n// after\n  } catch (e) {\n    console.error('delete session failed:', e);\n    uiModule.showError('Failed to delete session');\n  }\n  try { await loadSessions(); } catch (e) { console.error('reload failed:', e); }","handlingStrategy":"try-catch","validationCode":"if (!sid) return false;\nif (!navigator.onLine) { uiModule.showError('Offline — cannot delete session'); return false; }","typeGuard":null,"tryCatchPattern":"try { /* fetch + delete */ } catch (e) { console.error('delete session', sid, e); uiModule.showError(e?.message?.startsWith('HTTP') ? `Delete failed (${e.message})` : 'Failed to delete session'); }","preventionTips":["Refresh the session list before destructive actions so ids are current","Confirm auth is valid before issuing DELETEs","Keep the trailing loadSessions() outside the try so reload always runs","Log the caught error — the current catch discards the cause"],"tags":["network","fetch","ui","session-management"],"backgroundTag":null,"analyzedSha":"f9235ebbf13f693a6fd29ce70b097f6ec83705bf","analyzedAt":"2026-08-14T21:47:48.359Z","schemaVersion":2},"datasetVersion":"2026-08-15T22:17:37.221Z"}