{"record":{"id":"191e415876e11292","repo":"pbakaus/impeccable","slug":"impeccable-the-helper-already-answered-this-agent-target","errorCode":null,"errorMessage":"[impeccable] The helper already answered this agent target; clearing session ","messagePattern":"\\[impeccable\\] The helper already answered this agent target; clearing session ","errorType":"console","errorClass":null,"httpStatus":null,"severity":"warning","filePath":"skill/scripts/live-browser.js","lineNumber":7837,"sourceCode":"      if (body.error === 'unknown_session' && msg.type === 'checkpoint'\n          && msg.id && msg.id === currentSessionId) {\n        abandonForeignSession(msg.id);\n        return null;\n      }\n      return handleFailure(new Error(body.error || ('HTTP ' + res.status + ' ' + res.statusText)));\n    }).catch(handleFailure);\n\n    if (msg.type === 'generate' || msg.type === 'steer') {\n      const creation = doSend();\n      sessionCreationGate = creation.then(() => {}, () => {});\n      return creation;\n    }\n    return sessionCreationGate.then(doSend);\n  }\n\n  function abandonSupersededGo(sessionId) {\n    if (sessionId !== currentSessionId) return;\n    console.warn('[impeccable] The helper already answered this agent target; clearing session ' + sessionId + '.');\n    markSessionHandled();\n    cleanup({ instantChrome: true });\n    showToast('The helper already answered this request, so this session was cleared. Pick an element to start fresh.', 6000);\n  }\n\n  let abandonedForeignSessionId = null;\n  function abandonForeignSession(sessionId) {\n    if (abandonedForeignSessionId === sessionId || sessionId !== currentSessionId) return;\n    abandonedForeignSessionId = sessionId;\n    console.warn('[impeccable] The live server has no record of session ' + sessionId + '; clearing stale local state.');\n    markSessionHandled();\n    cleanup({ instantChrome: true });\n    showToast('A saved live session belonged to a different project, so it was cleared. Pick an element to start fresh.', 6000);\n  }\n\n  function checkpointPayload(reason) {\n    return {\n      type: 'checkpoint',","sourceCodeStart":7819,"sourceCodeEnd":7855,"githubUrl":"https://github.com/pbakaus/impeccable/blob/f2c7051853848826aac2f4646581d62a732155ad/skill/scripts/live-browser.js#L7819-L7855","documentation":"The in-page live-mode helper (live-browser.js) detected that an in-flight session's agent target had already been answered, so it logs this warning, marks the session handled, tears down the session chrome, and shows a toast telling the user to pick a new element. It is a deliberate cleanup path for superseded/stale sessions (abandonSupersededGo), not a crash.","triggerScenarios":"A `go` (send) response arrives for a sessionId that the helper already resolved for the same agent target — e.g. the agent answered twice, the page reconnected and re-sent for a handled target, or the user re-triggered an element whose session was already completed.","commonSituations":"Double-clicking or re-invoking a live request on an element that was already processed; a live-mode client retrying after a slow response; the extension/overlay and page state getting out of sync after a reload mid-session.","solutions":["No action needed for correctness: the stale session is auto-cleared; pick an element again to start a fresh session per the toast.","If it recurs on every request, reload the page to resync page-side session state with the helper.","If it is caused by client retries, check the agent/driver for duplicate sends of the same target and remove the retry."],"exampleFix":"// before: driver re-sends for an already-answered target\nawait sendGo(sessionId); await sendGo(sessionId);\n// after: send once per session, or check handled state first\nif (!isSessionHandled(sessionId)) await sendGo(sessionId);","handlingStrategy":"type-guard","validationCode":"if (isSessionHandled(sessionId) || sessionId !== currentSessionId) return; // skip duplicate send","typeGuard":"function canSendGo(sessionId) { return sessionId === currentSessionId && !handledSessions.has(sessionId); }","tryCatchPattern":null,"preventionTips":["Track handled sessions and never send `go` twice for the same sessionId.","Reload the page after extension/overlay updates to keep session state in sync.","Treat this warning as informational cleanup, not a bug, unless it fires on every fresh session."],"tags":["browser","live-mode","stale-session"],"backgroundTag":"invalid-state-transition","analyzedSha":"f2c7051853848826aac2f4646581d62a732155ad","analyzedAt":"2026-09-16T20:43:47.549Z","contentChangedAt":"2026-09-16T20:43:47.549Z","schemaVersion":2},"datasetVersion":"2026-09-23T08:17:48.524Z"}