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fix(FN-1989): stabilize triage fallback

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This commit is contained in:
gsxdsm
2026-04-17 01:49:25 -07:00
parent 3c1afafa52
commit 4c2db876da
10 changed files with 253 additions and 3252 deletions
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114
packages/engine/src/triage.ts
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@@ -541,6 +541,9 @@ export class TriageProcessor {
(t) => t.column === "triage" && !this.processing.has(t.id) && !t.paused
// Skip tasks awaiting manual plan approval — they should not be auto-discovered
&& t.status !== "awaiting-approval"
// Skip failed specifications until the user explicitly retries them.
&& t.status !== "failed"
&& t.status !== "stuck-killed"
// Skip tasks with a recovery backoff that hasn't elapsed yet
&& !(t.nextRecoveryAt && new Date(t.nextRecoveryAt).getTime() > now),
);
@@ -687,7 +690,7 @@ export class TriageProcessor {
projectRootDir: this.rootDir,
});
const { session } = await createKbAgent({
let { session } = await createKbAgent({
cwd: this.rootDir,
systemPrompt: triageSystemPrompt,
tools: "coding",
@@ -790,6 +793,22 @@ export class TriageProcessor {
// Re-raise errors that pi-coding-agent swallowed after exhausting retries.
checkSessionError(session);
if (this.pauseAborted.has(task.id)) {
this.pauseAborted.delete(task.id);
triageLog.log(`${task.id} aborted by pause — clearing status`);
const restoreStatus = task.status === "needs-respecify" ? "needs-respecify" : null;
await this.store.updateTask(task.id, { status: restoreStatus }).catch(() => {});
return;
}
if (this.stuckAborted.has(task.id)) {
this.stuckAborted.delete(task.id);
triageLog.log(`${task.id} killed by stuck detector — clearing status for retry`);
const restoreStatus = task.status === "needs-respecify" ? "needs-respecify" : null;
await this.store.updateTask(task.id, { status: restoreStatus }).catch(() => {});
return;
}
if (createdSubtasksRef.current.length > 0) {
const childTaskIds = createdSubtasksRef.current.join(", ");
await this.store.logEntry(
@@ -801,6 +820,85 @@ export class TriageProcessor {
return;
}
const planningFallbackProvider = settings.planningFallbackProvider;
const planningFallbackModelId = settings.planningFallbackModelId;
const canRetryWithPlanningFallback =
specReviewVerdictRef.current !== "APPROVE" &&
planningFallbackProvider &&
planningFallbackModelId &&
modelDesc !== `${planningFallbackProvider}/${planningFallbackModelId}`;
if (canRetryWithPlanningFallback) {
const verdictDesc =
specReviewVerdictRef.current === null
? "review_spec was never called"
: `verdict was ${specReviewVerdictRef.current}`;
const fallbackDesc = `${planningFallbackProvider}/${planningFallbackModelId}`;
triageLog.warn(
`${task.id} primary planning model produced no approved spec (${verdictDesc}) — retrying with fallback ${fallbackDesc}`,
);
await this.store.logEntry(
task.id,
`Primary planning model produced no approved spec (${verdictDesc}) — retrying with fallback ${fallbackDesc}`,
);
session.dispose();
this.activeSessions.delete(task.id);
stuckDetector?.untrackTask(task.id);
specReviewVerdictRef.current = null;
approvedCommentFingerprintRef.current = "";
const fallbackResult = await createKbAgent({
cwd: this.rootDir,
systemPrompt: triageSystemPrompt,
tools: "coding",
customTools,
onText: agentLogger.onText,
onThinking: agentLogger.onThinking,
onToolStart: agentLogger.onToolStart,
onToolEnd: agentLogger.onToolEnd,
defaultProvider: planningFallbackProvider,
defaultModelId: planningFallbackModelId,
defaultThinkingLevel: settings.defaultThinkingLevel,
...(skillContext.skillSelectionContext ? { skillSelection: skillContext.skillSelectionContext } : {}),
});
session = fallbackResult.session;
const fallbackModelDesc = describeModel(session);
triageLog.log(`${task.id}: using fallback model ${fallbackModelDesc}`);
await this.store.logEntry(task.id, `Triage using fallback model: ${fallbackModelDesc}`);
await this.store.appendAgentLog(
task.id,
`Triage using fallback model: ${fallbackModelDesc}`,
"text",
undefined,
"triage",
);
sessionRef.current = session;
this.activeSessions.set(task.id, session);
stuckDetector?.trackTask(task.id, session);
stuckDetector?.recordActivity(task.id);
await promptWithFallback(
session,
agentPrompt,
imageContents.length > 0 ? { images: imageContents } : undefined,
);
checkSessionError(session);
if (createdSubtasksRef.current.length > 0) {
const childTaskIds = createdSubtasksRef.current.join(", ");
await this.store.logEntry(
task.id,
`Converted into subtasks: ${childTaskIds}`,
);
await this.store.deleteTask(task.id);
triageLog.log(`✓ ${task.id} split into subtasks (${childTaskIds}) and closed`);
return;
}
}
// Post-session APPROVE gate: only advance to todo when the spec
// reviewer explicitly approved. Any other verdict (REVISE,
// RETHINK, UNAVAILABLE) or a missing review (null) keeps the task
@@ -810,17 +908,21 @@ export class TriageProcessor {
specReviewVerdictRef.current === null
? "review_spec was never called"
: `verdict was ${specReviewVerdictRef.current}`;
const failureMessage =
`Specification failed: spec review not approved (${verdictDesc}). ` +
"Retry after adjusting the task prompt or model.";
triageLog.log(
`${task.id} spec review not approved (${verdictDesc}) — not moving to todo`,
`${task.id} spec review not approved (${verdictDesc}) — marking specification failed`,
);
await this.store.logEntry(
task.id,
`Spec review not approved (${verdictDesc}) — specification not approved`,
failureMessage,
);
// For re-specification, keep the needs-respecify status so it can be retried
// For new specs, clear the status
await this.store.updateTask(task.id, {
status: isRespecify ? "needs-respecify" : null,
status: "failed",
error: failureMessage,
recoveryRetryCount: null,
nextRecoveryAt: null,
});
return;
}