Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 | 20x 51x 51x 51x 51x 51x 51x 51x 51x 51x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 18x 2x 2x 16x 16x 16x 14x 8x 8x 8x 8x 18x 18x 18x 18x 18x 18x 18x 18x 8x 18x 8x 8x 8x 8x 8x 8x 8x 8x 6x 6x 6x 6x 6x 2x 2x 8x 2x 2x 2x 2x 2x 16x 16x 8x 8x 8x 8x 8x 8x 8x 8x 8x 3x 3x 5x 5x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 1x 1x 3x 5x 5x 5x 1x 1x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 1x 1x 1x 2x 3x 3x 3x 3x 3x 3x 3x 1x 1x 7x 7x 7x 7x 7x 7x 7x 1x 1x 1x 2x 2x 2x 14x 14x 14x 14x 11x 11x 11x 9x 1x 1x 1x | /**
* OutputHandler — Stream event processing, signal parsing, file reading, result capture.
*
* Extracted from MultiProviderAgentManager. Processes all output from agent
* subprocesses: stream events, agent signals, output files, and result/question
* retrieval.
*/
import { readFile } from 'node:fs/promises';
import { existsSync } from 'node:fs';
import { join } from 'node:path';
import type { AgentRepository } from '../db/repositories/agent-repository.js';
import type { ChangeSetRepository, CreateChangeSetEntryData } from '../db/repositories/change-set-repository.js';
import type { PhaseRepository } from '../db/repositories/phase-repository.js';
import type { TaskRepository } from '../db/repositories/task-repository.js';
import type { PageRepository } from '../db/repositories/page-repository.js';
import type {
EventBus,
AgentStoppedEvent,
AgentCrashedEvent,
AgentWaitingEvent,
} from '../events/index.js';
import type {
AgentResult,
AgentMode,
PendingQuestions,
QuestionItem,
} from './types.js';
import type { StreamEvent } from './providers/parsers/index.js';
import type { AgentProviderConfig } from './providers/types.js';
import { agentSignalSchema } from './schema.js';
import {
readSummary,
readPhaseFiles,
readTaskFiles,
readDecisionFiles,
readPageFiles,
readFrontmatterFile,
} from './file-io.js';
import { getProvider } from './providers/registry.js';
import { markdownToTiptapJson } from './markdown-to-tiptap.js';
import type { SignalManager } from './lifecycle/signal-manager.js';
import { createModuleLogger } from '../logger/index.js';
const log = createModuleLogger('output-handler');
/**
* Tracks an active agent with its PID and file tailer.
*/
export interface ActiveAgent {
agentId: string;
pid: number;
tailer: import('./file-tailer.js').FileTailer;
outputFilePath: string;
/** Actual working directory the agent process runs in (may differ from getAgentWorkdir for standalone agents) */
agentCwd?: string;
result?: AgentResult;
pendingQuestions?: PendingQuestions;
streamResultText?: string;
streamSessionId?: string;
streamCostUsd?: number;
/** True when the stream result indicated an error (e.g. auth failure) */
streamIsError?: boolean;
/** Cancel handle for polling timer — call to stop polling on cleanup */
cancelPoll?: () => void;
}
/**
* Result structure from Claude CLI with --output-format json.
*/
interface ClaudeCliResult {
type: 'result';
subtype: 'success' | 'error';
is_error: boolean;
session_id: string;
result: string;
structured_output?: unknown;
total_cost_usd?: number;
}
export class OutputHandler {
private filePositions = new Map<string, number>();
private completionLocks = new Set<string>(); // Track agents currently being processed
constructor(
private repository: AgentRepository,
private eventBus?: EventBus,
private changeSetRepository?: ChangeSetRepository,
private phaseRepository?: PhaseRepository,
private taskRepository?: TaskRepository,
private pageRepository?: PageRepository,
private signalManager?: SignalManager,
) {}
/**
* Validate that a signal file is complete and properly formatted.
*/
private async validateSignalFile(filePath: string): Promise<boolean> {
try {
const content = await readFile(filePath, 'utf-8');
const trimmed = content.trim();
Eif (!trimmed) return false;
// Check if JSON is complete (ends with } or ])
const endsCorrectly = trimmed.endsWith('}') || trimmed.endsWith(']');
Iif (!endsCorrectly) return false;
// Try to parse as JSON to ensure it's valid
JSON.parse(trimmed);
return true;
} catch {
return false;
}
}
/**
* Read complete lines from a file, avoiding partial lines that might still be writing.
* This eliminates race conditions when agents are still writing output.
*/
private async readCompleteLines(filePath: string, fromPosition: number = 0): Promise<{ content: string; lastPosition: number }> {
try {
const content = await readFile(filePath, 'utf-8');
Eif (fromPosition >= content.length) {
return { content: '', lastPosition: fromPosition };
}
// Get content from our last read position
const newContent = content.slice(fromPosition);
// Split into lines
const lines = newContent.split('\n');
// If file doesn't end with newline, last element is potentially incomplete
// Only process complete lines (all but the last, unless file ends with \n)
const hasTrailingNewline = newContent.endsWith('\n');
const completeLines = hasTrailingNewline ? lines : lines.slice(0, -1);
// Calculate new position (only count complete lines)
const completeLinesContent = completeLines.join('\n') + (completeLines.length > 0 && hasTrailingNewline ? '\n' : '');
const newPosition = fromPosition + Buffer.byteLength(completeLinesContent, 'utf-8');
return {
content: completeLinesContent,
lastPosition: newPosition
};
} catch (err) {
log.debug({ filePath, err: err instanceof Error ? err.message : String(err) }, 'failed to read output file lines');
return { content: '', lastPosition: fromPosition };
}
}
/**
* Handle a standardized stream event from a parser.
*/
handleStreamEvent(
agentId: string,
event: StreamEvent,
active: ActiveAgent | undefined,
): void {
switch (event.type) {
case 'init':
if (active && event.sessionId) {
active.streamSessionId = event.sessionId;
this.repository.update(agentId, { sessionId: event.sessionId }).catch((err) => {
log.warn({ agentId, err: err instanceof Error ? err.message : String(err) }, 'failed to update session ID');
});
}
break;
case 'text_delta':
// Text deltas are now streamed via DB log chunks + EventBus in manager.createLogChunkCallback
break;
case 'tool_use_start':
log.debug({ agentId, tool: event.name, toolId: event.id }, 'tool use started');
break;
case 'result':
if (active) {
active.streamResultText = event.text;
active.streamCostUsd = event.costUsd;
active.streamIsError = event.isError === true;
if (!active.streamSessionId && event.sessionId) {
active.streamSessionId = event.sessionId;
}
}
break;
case 'error':
log.error({ agentId, error: event.message }, 'stream error event');
break;
case 'turn_end':
log.debug({ agentId, stopReason: event.stopReason }, 'turn ended');
break;
}
}
/**
* Handle completion of a detached agent.
* Processes the final result from the stream data captured by the tailer.
*
* RACE CONDITION FIX: Uses a completion lock to prevent duplicate processing.
* Both the polling handler (handleDetachedAgentCompletion) and crash handler
* (handleProcessCrashed) can call this method when a process exits with non-zero code.
* The mutex ensures only one handler processes the completion per agent.
*/
async handleCompletion(
agentId: string,
active: ActiveAgent | undefined,
getAgentWorkdir: (alias: string) => string,
): Promise<void> {
// CRITICAL: Prevent race condition - only one completion handler per agent
if (this.completionLocks.has(agentId)) {
log.debug({ agentId }, 'completion already being processed - skipping duplicate');
return;
}
this.completionLocks.add(agentId);
try {
const agent = await this.repository.findById(agentId);
if (!agent) return;
const provider = getProvider(agent.provider);
Iif (!provider) return;
log.debug({ agentId }, 'detached agent completed');
// Resolve actual agent working directory — standalone agents run in a
// "workspace/" subdirectory inside getAgentWorkdir, so prefer agentCwd
// recorded at spawn time when available.
const agentWorkdir = active?.agentCwd ?? getAgentWorkdir(agent.worktreeId);
const outputDir = join(agentWorkdir, '.cw', 'output');
const expectedPwdFile = join(agentWorkdir, '.cw', 'expected-pwd.txt');
const diagnosticFile = join(agentWorkdir, '.cw', 'spawn-diagnostic.json');
const outputDirExists = existsSync(outputDir);
const expectedPwdExists = existsSync(expectedPwdFile);
const diagnosticExists = existsSync(diagnosticFile);
log.info({
agentId,
agentWorkdir,
outputDirExists,
expectedPwdExists,
diagnosticExists,
verification: outputDirExists ? 'PASS' : 'FAIL'
}, 'agent workdir verification completed');
Iif (!outputDirExists) {
log.warn({
agentId,
agentWorkdir
}, 'No output files found in agent workdir! Agent may have run in wrong location.');
}
let signalText = active?.streamResultText;
// If the stream result indicated an error (e.g. auth failure, usage limit),
// route directly to error handling instead of trying to parse as signal JSON
Iif (signalText && active?.streamIsError) {
log.warn({ agentId, error: signalText }, 'agent returned error result');
await this.handleAgentError(agentId, new Error(signalText), provider, getAgentWorkdir);
return;
}
Eif (!signalText) {
try {
const outputFilePath = active?.outputFilePath ?? '';
Eif (outputFilePath) {
// First, check for robust signal.json completion before attempting incremental reading
log.debug({ agentId, worktreeId: agent.worktreeId, agentWorkdir }, 'checking signal completion');
const hasSignalCompletion = await this.readSignalCompletion(agentWorkdir);
log.debug({ agentId, agentWorkdir, hasSignalCompletion }, 'signal completion check result');
if (hasSignalCompletion) {
const signalPath = join(agentWorkdir, '.cw/output/signal.json');
const signalContent = await readFile(signalPath, 'utf-8');
log.debug({ agentId, signalPath }, 'detected completion via signal.json, processing');
await this.processSignalAndFiles(agentId, signalContent, agent.mode as AgentMode, getAgentWorkdir, active?.streamSessionId);
return;
} else {
log.debug({ agentId, agentWorkdir }, 'no signal completion found, proceeding with raw output');
}
// Read only complete lines from the file, avoiding race conditions
const lastPosition = this.filePositions.get(agentId) || 0;
const { content: fileContent, lastPosition: newPosition } = await this.readCompleteLines(outputFilePath, lastPosition);
Iif (fileContent.trim()) {
this.filePositions.set(agentId, newPosition);
await this.processAgentOutput(agentId, fileContent, provider, getAgentWorkdir);
return;
}
// If no new complete lines, but file might still be writing, try again with validation
Iif (await this.validateSignalFile(outputFilePath)) {
const fullContent = await readFile(outputFilePath, 'utf-8');
if (fullContent.trim() && fullContent.length > newPosition) {
// File is complete and has content beyond what we've read
await this.processAgentOutput(agentId, fullContent, provider, getAgentWorkdir);
return;
}
}
}
} catch { /* file empty or missing */ }
log.debug({ agentId }, 'no result from stream or file, marking as error');
await this.handleAgentError(agentId, new Error('No output received'), provider, getAgentWorkdir);
return;
}
// Check for signal.json file first, then fall back to stream text
if (await this.readSignalCompletion(agentWorkdir)) {
const signalPath = join(agentWorkdir, '.cw/output/signal.json');
const signalContent = await readFile(signalPath, 'utf-8');
log.debug({ agentId, signalPath }, 'using signal.json content for completion');
await this.processSignalAndFiles(agentId, signalContent, agent.mode as AgentMode, getAgentWorkdir, active?.streamSessionId);
} else {
log.debug({ agentId }, 'using stream text for completion (no signal.json found)');
await this.processSignalAndFiles(
agentId,
signalText,
agent.mode as AgentMode,
getAgentWorkdir,
active?.streamSessionId,
);
}
} finally {
this.completionLocks.delete(agentId);
this.filePositions.delete(agentId);
}
}
/**
* Process agent signal JSON and read output files.
* Universal handler for all providers and modes.
*/
async processSignalAndFiles(
agentId: string,
signalText: string,
mode: AgentMode,
getAgentWorkdir: (alias: string) => string,
sessionId?: string,
): Promise<void> {
const agent = await this.repository.findById(agentId);
Iif (!agent) return;
let signal;
let parsed;
// Step 1: JSON parsing
try {
parsed = JSON.parse(signalText.trim());
log.debug({ agentId }, 'signal JSON parsing successful');
} catch (jsonError) {
log.error({
agentId,
signalText: signalText.trim(),
error: jsonError instanceof Error ? jsonError.message : String(jsonError),
stack: jsonError instanceof Error ? jsonError.stack : undefined
}, 'signal JSON parsing failed');
await this.repository.update(agentId, { status: 'crashed' });
this.emitCrashed(agent, 'Failed to parse agent signal JSON');
return;
}
// Step 2: Schema validation
try {
signal = agentSignalSchema.parse(parsed);
log.debug({ agentId, signalStatus: signal.status }, 'signal schema validation passed');
} catch (schemaError) {
log.error({
agentId,
signalText: signalText.trim(),
parsed,
error: schemaError instanceof Error ? schemaError.message : String(schemaError),
stack: schemaError instanceof Error ? schemaError.stack : undefined
}, 'signal schema validation failed');
await this.repository.update(agentId, { status: 'crashed' });
this.emitCrashed(agent, 'Failed to validate agent signal schema');
return;
}
switch (signal.status) {
case 'done':
await this.processOutputFiles(agentId, agent, mode, getAgentWorkdir);
break;
case 'questions':
await this.handleQuestions(agentId, agent, signal.questions, sessionId);
break;
case 'error':
await this.handleSignalError(agentId, agent, signal.error);
break;
}
}
/**
* Process output files from agent workdir after successful completion.
* Performs direct writes to entities and records change sets.
*/
private async processOutputFiles(
agentId: string,
agent: { id: string; name: string; taskId: string | null; worktreeId: string; mode: string; initiativeId?: string | null },
mode: AgentMode,
getAgentWorkdir: (alias: string) => string,
): Promise<void> {
const agentWorkdir = getAgentWorkdir(agent.worktreeId);
const summary = readSummary(agentWorkdir);
const initiativeId = agent.initiativeId;
const canWriteChangeSets = this.changeSetRepository && initiativeId;
let resultMessage = summary?.body ?? 'Task completed';
switch (mode) {
case 'plan': {
const phases = readPhaseFiles(agentWorkdir);
if (canWriteChangeSets && this.phaseRepository && phases.length > 0) {
const entries: CreateChangeSetEntryData[] = [];
// First pass: create phases
for (const [i, p] of phases.entries()) {
try {
const tiptapContent = p.body ? JSON.stringify(markdownToTiptapJson(p.body)) : undefined;
const created = await this.phaseRepository.create({
id: p.id ?? undefined,
initiativeId,
name: p.title,
content: tiptapContent,
});
entries.push({
entityType: 'phase',
entityId: created.id,
action: 'create',
newState: JSON.stringify(created),
sortOrder: i,
});
this.eventBus?.emit({
type: 'phase:started' as const,
timestamp: new Date(),
payload: { phaseId: created.id, initiativeId },
});
} catch (err) {
log.warn({ agentId, phase: p.title, err: err instanceof Error ? err.message : String(err) }, 'failed to create phase');
}
}
// Second pass: create phase dependencies
let depSortOrder = entries.length;
for (const p of phases) {
const phaseId = p.id;
if (!phaseId || !Array.isArray(p.dependencies)) continue;
for (const depFileId of p.dependencies) {
try {
await this.phaseRepository.createDependency(phaseId, depFileId);
entries.push({
entityType: 'phase_dependency',
entityId: `${phaseId}:${depFileId}`,
action: 'create',
newState: JSON.stringify({ phaseId, dependsOnPhaseId: depFileId }),
sortOrder: depSortOrder++,
});
} catch (err) {
log.warn({ agentId, phaseId, depFileId, err: err instanceof Error ? err.message : String(err) }, 'failed to create phase dependency');
}
}
}
if (entries.length > 0) {
try {
const cs = await this.changeSetRepository!.createWithEntries({
agentId,
agentName: agent.name,
initiativeId,
mode: 'plan',
summary: summary?.body ?? `Created ${phases.length} phases`,
}, entries);
this.eventBus?.emit({
type: 'changeset:created' as const,
timestamp: new Date(),
payload: { changeSetId: cs.id, initiativeId, agentId, mode: 'plan', entryCount: entries.length },
});
} catch (err) {
log.warn({ agentId, err: err instanceof Error ? err.message : String(err) }, 'failed to record change set after successful writes');
}
}
resultMessage = summary?.body ?? `${phases.length} phases created`;
} else {
resultMessage = JSON.stringify({ summary: summary?.body, phases });
}
break;
}
case 'detail': {
const tasks = readTaskFiles(agentWorkdir);
if (canWriteChangeSets && this.taskRepository && tasks.length > 0) {
const phaseInput = readFrontmatterFile(join(agentWorkdir, '.cw', 'input', 'phase.md'));
const phaseId = (phaseInput?.data?.id as string) ?? null;
const entries: CreateChangeSetEntryData[] = [];
// Load existing tasks for dedup — prevents duplicates when multiple agents finish concurrently
const existingTasks = phaseId ? await this.taskRepository.findByPhaseId(phaseId) : [];
const existingNames = new Set(existingTasks.map(t => t.name));
for (const [i, t] of tasks.entries()) {
if (existingNames.has(t.title)) {
log.info({ agentId, task: t.title, phaseId }, 'skipped duplicate task');
continue;
}
try {
const created = await this.taskRepository.create({
initiativeId,
phaseId,
parentTaskId: agent.taskId ?? null,
name: t.title,
description: t.body ?? undefined,
category: (t.category as any) ?? 'execute',
type: (t.type as any) ?? 'auto',
});
existingNames.add(t.title); // prevent dupes within same agent output
entries.push({
entityType: 'task',
entityId: created.id,
action: 'create',
newState: JSON.stringify(created),
sortOrder: i,
});
this.eventBus?.emit({
type: 'task:completed' as const,
timestamp: new Date(),
payload: { taskId: created.id, agentId, success: true, message: 'Task created by detail' },
});
} catch (err) {
log.warn({ agentId, task: t.title, err: err instanceof Error ? err.message : String(err) }, 'failed to create task');
}
}
if (entries.length > 0) {
try {
const cs = await this.changeSetRepository!.createWithEntries({
agentId,
agentName: agent.name,
initiativeId,
mode: 'detail',
summary: summary?.body ?? `Created ${tasks.length} tasks`,
}, entries);
this.eventBus?.emit({
type: 'changeset:created' as const,
timestamp: new Date(),
payload: { changeSetId: cs.id, initiativeId, agentId, mode: 'detail', entryCount: entries.length },
});
} catch (err) {
log.warn({ agentId, err: err instanceof Error ? err.message : String(err) }, 'failed to record change set after successful writes');
}
}
resultMessage = summary?.body ?? `${tasks.length} tasks created`;
} else {
resultMessage = JSON.stringify({ summary: summary?.body, tasks });
}
break;
}
case 'discuss': {
const decisions = readDecisionFiles(agentWorkdir);
resultMessage = JSON.stringify({ summary: summary?.body, decisions });
break;
}
case 'refine': {
const pages = readPageFiles(agentWorkdir);
Iif (canWriteChangeSets && this.pageRepository && pages.length > 0) {
const entries: CreateChangeSetEntryData[] = [];
for (const [i, p] of pages.entries()) {
try {
if (!p.pageId) continue;
const existing = await this.pageRepository.findById(p.pageId);
if (!existing) {
log.warn({ agentId, pageId: p.pageId }, 'page not found for refine update');
continue;
}
const previousState = JSON.stringify(existing);
const tiptapJson = markdownToTiptapJson(p.body || '');
await this.pageRepository.update(p.pageId, {
content: JSON.stringify(tiptapJson),
title: p.title,
});
const updated = await this.pageRepository.findById(p.pageId);
entries.push({
entityType: 'page',
entityId: p.pageId,
action: 'update',
previousState,
newState: JSON.stringify(updated),
sortOrder: i,
});
this.eventBus?.emit({
type: 'page:updated' as const,
timestamp: new Date(),
payload: { pageId: p.pageId, initiativeId, title: p.title },
});
} catch (err) {
log.warn({ agentId, pageId: p.pageId, err: err instanceof Error ? err.message : String(err) }, 'failed to update page');
}
}
if (entries.length > 0) {
try {
const cs = await this.changeSetRepository!.createWithEntries({
agentId,
agentName: agent.name,
initiativeId,
mode: 'refine',
summary: summary?.body ?? `Updated ${entries.length} pages`,
}, entries);
this.eventBus?.emit({
type: 'changeset:created' as const,
timestamp: new Date(),
payload: { changeSetId: cs.id, initiativeId, agentId, mode: 'refine', entryCount: entries.length },
});
} catch (err) {
log.warn({ agentId, err: err instanceof Error ? err.message : String(err) }, 'failed to record change set after successful writes');
}
}
resultMessage = summary?.body ?? `${entries.length} pages updated`;
} else {
resultMessage = JSON.stringify({ summary: summary?.body, pages });
}
break;
}
}
const resultPayload: AgentResult = {
success: true,
message: resultMessage,
filesModified: summary?.filesModified,
};
await this.repository.update(agentId, { result: JSON.stringify(resultPayload), status: 'idle' });
const reason = this.getStoppedReason(mode);
if (this.eventBus) {
const event: AgentStoppedEvent = {
type: 'agent:stopped',
timestamp: new Date(),
payload: {
agentId,
name: agent.name,
taskId: agent.taskId ?? '',
reason,
},
};
this.eventBus.emit(event);
}
return;
}
/**
* Handle questions signal from agent.
*/
async handleQuestions(
agentId: string,
agent: { id: string; name: string; taskId: string | null; sessionId: string | null },
questions: QuestionItem[],
sessionId?: string,
): Promise<void> {
const questionsPayload: PendingQuestions = { questions };
await this.repository.update(agentId, { pendingQuestions: JSON.stringify(questionsPayload), status: 'waiting_for_input' });
if (this.eventBus) {
const event: AgentWaitingEvent = {
type: 'agent:waiting',
timestamp: new Date(),
payload: {
agentId,
name: agent.name,
taskId: agent.taskId ?? '',
sessionId: sessionId ?? agent.sessionId ?? '',
questions,
},
};
this.eventBus.emit(event);
}
}
/**
* Handle error signal from agent.
*/
async handleSignalError(
agentId: string,
agent: { id: string; name: string; taskId: string | null },
error: string,
): Promise<void> {
const errorResult: AgentResult = { success: false, message: error };
await this.repository.update(agentId, {
result: JSON.stringify(errorResult),
status: 'crashed'
});
this.emitCrashed(agent, error);
}
/**
* Map agent mode to stopped event reason.
*/
getStoppedReason(mode: AgentMode): AgentStoppedEvent['payload']['reason'] {
switch (mode) {
case 'discuss': return 'context_complete';
case 'plan': return 'plan_complete';
case 'detail': return 'detail_complete';
case 'refine': return 'refine_complete';
default: return 'task_complete';
}
}
/**
* Process raw output from an agent (from file or direct).
*/
async processAgentOutput(
agentId: string,
rawOutput: string,
provider: AgentProviderConfig,
getAgentWorkdir: (alias: string) => string,
): Promise<void> {
const agent = await this.repository.findById(agentId);
Iif (!agent) return;
// Extract session ID using provider's extraction config
let sessionId: string | null = null;
Eif (provider.sessionId) {
const outputLines = rawOutput.trim().split('\n');
Iif (provider.sessionId.extractFrom === 'result') {
// Find the result line in JSONL output
for (const line of outputLines) {
try {
const parsed = JSON.parse(line);
if (parsed.type === 'result' || parsed[provider.sessionId.field]) {
sessionId = parsed[provider.sessionId.field] ?? null;
if (sessionId) break;
}
} catch { /* intentional: skip non-JSON JSONL lines */ }
}
E} else if (provider.sessionId.extractFrom === 'event') {
for (const line of outputLines) {
try {
const event = JSON.parse(line);
Iif (event.type === provider.sessionId.eventType) {
sessionId = event[provider.sessionId.field] ?? null;
}
} catch { /* intentional: skip non-JSON JSONL lines */ }
}
}
}
Iif (sessionId) {
await this.repository.update(agentId, { sessionId });
}
log.debug({ agentId, provider: provider.name, hasSessionId: !!sessionId }, 'processing agent output');
if (provider.name === 'claude') {
// rawOutput may be a single JSON object or multi-line JSONL — find the result line
let cliResult: ClaudeCliResult | null = null;
const lines = rawOutput.trim().split('\n');
for (const line of lines) {
try {
const parsed = JSON.parse(line);
Eif (parsed.type === 'result') {
cliResult = parsed;
}
} catch { /* intentional: skip non-JSON JSONL lines */ }
}
Iif (!cliResult) {
log.error({ agentId }, 'no result event found in agent output');
await this.handleAgentError(agentId, new Error('No result event in output'), provider, getAgentWorkdir);
return;
}
// Handle error results (auth failure, usage limits, etc.)
Iif (cliResult.is_error) {
log.warn({ agentId, error: cliResult.result }, 'agent returned error result from file');
await this.handleAgentError(agentId, new Error(cliResult.result), provider, getAgentWorkdir);
return;
}
let signalText: string;
try {
const signal = cliResult.structured_output ?? JSON.parse(cliResult.result);
signalText = JSON.stringify(signal);
} catch (parseErr) {
log.error({ agentId, err: parseErr instanceof Error ? parseErr.message : String(parseErr) }, 'failed to parse agent signal from result');
await this.handleAgentError(agentId, new Error('Failed to parse agent signal'), provider, getAgentWorkdir);
return;
}
await this.processSignalAndFiles(agentId, signalText, agent.mode as AgentMode, getAgentWorkdir, sessionId ?? undefined);
} else E{
await this.processSignalAndFiles(agentId, rawOutput, agent.mode as AgentMode, getAgentWorkdir, sessionId ?? undefined);
}
}
/**
* Handle agent errors. Detects usage limit exhaustion patterns.
* Returns true if error was an exhaustion error (caller should attempt failover).
*/
async handleAgentError(
agentId: string,
error: unknown,
provider: AgentProviderConfig,
_getAgentWorkdir: (alias: string) => string,
): Promise<void> {
const errorMessage = error instanceof Error ? error.message : String(error);
const agent = await this.repository.findById(agentId);
Iif (!agent) return;
log.error({ agentId, err: errorMessage }, 'agent error');
const errorResult: AgentResult = {
success: false,
message: errorMessage,
};
await this.repository.update(agentId, {
status: 'crashed',
result: JSON.stringify(errorResult)
});
if (this.eventBus) {
const event: AgentCrashedEvent = {
type: 'agent:crashed',
timestamp: new Date(),
payload: {
agentId,
name: agent.name,
taskId: agent.taskId ?? '',
error: errorMessage,
},
};
this.eventBus.emit(event);
}
}
/**
* Format answers map as structured prompt.
* Handles special __instruction__ key for retry scenarios.
*/
formatAnswersAsPrompt(answers: Record<string, string>): string {
const instruction = answers['__instruction__'];
const realAnswers = { ...answers };
delete realAnswers['__instruction__'];
const lines = Object.entries(realAnswers).map(
([questionId, answer]) => `[${questionId}]: ${answer}`,
);
const basePrompt = `Here are my answers to your questions:\n${lines.join('\n')}`;
return instruction ? `${instruction.trim()}\n\n${basePrompt}` : basePrompt;
}
/**
* Get the result of an agent's work.
*/
async getResult(agentId: string, active?: ActiveAgent): Promise<AgentResult | null> {
Iif (active?.result) return active.result;
const agent = await this.repository.findById(agentId);
return agent?.result ? JSON.parse(agent.result) : null;
}
/**
* Get pending questions for an agent waiting for input.
*/
async getPendingQuestions(agentId: string, active?: ActiveAgent): Promise<PendingQuestions | null> {
Iif (active?.pendingQuestions) return active.pendingQuestions;
const agent = await this.repository.findById(agentId);
return agent?.pendingQuestions ? JSON.parse(agent.pendingQuestions) : null;
}
// =========================================================================
// Private Helpers
// =========================================================================
/**
* Read signal.json and return its content if the agent completed successfully.
* Uses SignalManager for atomic read-and-validate when available.
* Returns the raw JSON string on success, null if missing/invalid.
*/
private async readSignalCompletion(agentWorkdir: string): Promise<string | null> {
// Prefer SignalManager (unified implementation with proper validation)
Iif (this.signalManager) {
const signal = await this.signalManager.readSignal(agentWorkdir);
return signal ? JSON.stringify(signal) : null;
}
// Fallback: inline read (for tests that don't inject SignalManager)
try {
const signalPath = join(agentWorkdir, '.cw/output/signal.json');
if (!existsSync(signalPath)) return null;
const signalContent = await readFile(signalPath, 'utf-8');
const signal = JSON.parse(signalContent);
if (signal.status === 'done' || signal.status === 'questions' || signal.status === 'error') {
return signalContent;
}
return null;
} catch (err) {
log.debug({ agentWorkdir, err: err instanceof Error ? err.message : String(err) }, 'failed to read or parse signal.json');
return null;
}
}
private emitCrashed(agent: { id: string; name: string; taskId: string | null }, error: string): void {
if (this.eventBus) {
const event: AgentCrashedEvent = {
type: 'agent:crashed',
timestamp: new Date(),
payload: {
agentId: agent.id,
name: agent.name,
taskId: agent.taskId ?? '',
error,
},
};
this.eventBus.emit(event);
}
}
}
|