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revert: roll back v12.3.3 (Issue Blowout 2026)

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SessionStart context injection regressed in v12.3.3 — no memory
context is being delivered to new sessions. Rolling back to the
v12.3.2 tree state while the regression is investigated.

Reverts #2080.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Alex Newman
2026-04-20 11:59:15 -07:00
parent 708a258d39
commit bfc7de377a
45 changed files with 367 additions and 1249 deletions
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src/services/worker/SessionManager.ts
+1 -41
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@@ -17,7 +17,6 @@ import { SessionQueueProcessor } from '../queue/SessionQueueProcessor.js';
import { getProcessBySession, ensureProcessExit } from './ProcessRegistry.js';
import { getSupervisor } from '../../supervisor/index.js';
import { MAX_CONSECUTIVE_SUMMARY_FAILURES } from '../../sdk/prompts.js';
import { RestartGuard } from './RestartGuard.js';
/** Idle threshold before a stuck generator (zombie subprocess) is force-killed. */
export const MAX_GENERATOR_IDLE_MS = 5 * 60 * 1000; // 5 minutes
@@ -225,8 +224,7 @@ export class SessionManager {
earliestPendingTimestamp: null,
conversationHistory: [], // Initialize empty - will be populated by agents
currentProvider: null, // Will be set when generator starts
consecutiveRestarts: 0, // DEPRECATED: use restartGuard. Kept for logging compat.
restartGuard: new RestartGuard(),
consecutiveRestarts: 0, // Track consecutive restart attempts to prevent infinite loops
processingMessageIds: [], // CLAIM-CONFIRM: Track message IDs for confirmProcessed()
lastGeneratorActivity: Date.now(), // Initialize for stale detection (Issue #1099)
consecutiveSummaryFailures: 0, // Circuit breaker for summary retry loop (#1633)
@@ -467,44 +465,6 @@ export class SessionManager {
}
}
/**
* Evict the idlest session to free a pool slot (#1868).
* An "idle" session has an active generator but no pending work — it's sitting
* in the 3-min idle wait before subprocess cleanup. Evicting it triggers abort
* which kills the subprocess and frees the pool slot for a waiting new session.
* @returns true if a session was evicted, false if no idle sessions found
*/
evictIdlestSession(): boolean {
let idlestSessionId: number | null = null;
let oldestActivity = Infinity;
for (const [sessionDbId, session] of this.sessions) {
if (!session.generatorPromise) continue; // No generator = no slot held
const pendingCount = this.getPendingStore().getPendingCount(sessionDbId);
if (pendingCount > 0) continue; // Has work to do, don't evict
// Pick the session with the oldest lastGeneratorActivity (idlest)
if (session.lastGeneratorActivity < oldestActivity) {
oldestActivity = session.lastGeneratorActivity;
idlestSessionId = sessionDbId;
}
}
if (idlestSessionId === null) return false;
const session = this.sessions.get(idlestSessionId);
if (!session) return false;
logger.info('SESSION', 'Evicting idle session to free pool slot for new request (#1868)', {
sessionDbId: idlestSessionId,
idleDurationMs: Date.now() - oldestActivity
});
session.idleTimedOut = true;
session.abortController.abort();
return true;
}
/**
* Reap sessions with no active generator and no pending work that have been idle too long.
* Also reaps sessions whose generator has been stuck (no lastGeneratorActivity update) for