fix(openclaw): dream gate correctness — cheap-first ordering, session isolation, verified completion (#4666)

Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Chaithanya Kumar
2026-04-02 13:29:49 +05:30
committed by GitHub
parent 30f242dc4c
commit beca7cc873
2 changed files with 99 additions and 50 deletions
+38 -28
View File
@@ -92,38 +92,43 @@ export function incrementSessionCount(stateDir: string, sessionId: string): void
// ============================================================================
/**
* Check all three gates. Returns true only if ALL pass.
* Gates are checked cheapest-first (time, session, memory).
* Check cheap gates (time + sessions). These are local file reads only.
* Call this BEFORE any API calls. If this fails, skip the expensive
* memory count check entirely.
*/
export async function shouldDream(
export function checkCheapGates(
stateDir: string,
config: { minHours?: number; minSessions?: number; minMemories?: number },
memoryCount: number,
): Promise<{ pass: boolean; reason?: string }> {
const cfg: DreamGateConfig = {
minHours: config.minHours ?? DEFAULTS.minHours,
minSessions: config.minSessions ?? DEFAULTS.minSessions,
minMemories: config.minMemories ?? DEFAULTS.minMemories,
};
config: { minHours?: number; minSessions?: number },
): { proceed: boolean; reason?: string } {
const minHours = config.minHours ?? DEFAULTS.minHours;
const minSessions = config.minSessions ?? DEFAULTS.minSessions;
const state = readState(stateDir);
// Gate 1: Time
// Gate 1: Time (one local file read)
const hoursSince = (Date.now() - state.lastConsolidatedAt) / 3_600_000;
if (hoursSince < cfg.minHours) {
return { pass: false, reason: `time: ${hoursSince.toFixed(1)}h < ${cfg.minHours}h` };
if (hoursSince < minHours) {
return { proceed: false, reason: `time: ${hoursSince.toFixed(1)}h < ${minHours}h` };
}
// Gate 2: Sessions
if (state.sessionsSince < cfg.minSessions) {
return { pass: false, reason: `sessions: ${state.sessionsSince} < ${cfg.minSessions}` };
// Gate 2: Sessions (same file, already read)
if (state.sessionsSince < minSessions) {
return { proceed: false, reason: `sessions: ${state.sessionsSince} < ${minSessions}` };
}
// Gate 3: Memory count
if (memoryCount < cfg.minMemories) {
return { pass: false, reason: `memories: ${memoryCount} < ${cfg.minMemories}` };
}
return { proceed: true };
}
/**
* Check expensive memory count gate. Only call AFTER checkCheapGates passes.
*/
export function checkMemoryGate(
memoryCount: number,
config: { minMemories?: number },
): { pass: boolean; reason?: string } {
const minMemories = config.minMemories ?? DEFAULTS.minMemories;
if (memoryCount < minMemories) {
return { pass: false, reason: `memories: ${memoryCount} < ${minMemories}` };
}
return { pass: true };
}
@@ -145,18 +150,23 @@ export function acquireDreamLock(stateDir: string): boolean {
const lock = JSON.parse(raw) as DreamLock;
const age = Date.now() - lock.startedAt;
if (age < LOCK_STALE_MS) {
// Lock is held and not stale
return false;
return false; // Held and not stale
}
// Stale lock, reclaim
// Stale lock — remove it before attempting exclusive create
try { fs.unlinkSync(lp); } catch { /* race ok */ }
} catch {
// No lock file, proceed
}
// Write lock
// Atomic create with exclusive flag (wx). If two processes race,
// only one succeeds. The other gets EEXIST.
const lock: DreamLock = { pid: process.pid, startedAt: Date.now() };
fs.writeFileSync(lp, JSON.stringify(lock));
return true;
try {
fs.writeFileSync(lp, JSON.stringify(lock), { flag: "wx" });
return true;
} catch {
return false; // Lost race
}
}
/**
+61 -22
View File
@@ -48,7 +48,8 @@ import {
import { recall as skillRecall, sanitizeQuery } from "./recall.ts";
import {
incrementSessionCount,
shouldDream,
checkCheapGates,
checkMemoryGate,
acquireDreamLock,
releaseDreamLock,
recordDreamCompletion,
@@ -1306,23 +1307,29 @@ function registerHooks(
api.logger.info("openclaw-mem0: skills-mode recall strategy=manual, agent controls search");
}
// Auto-dream: check gates and inject consolidation protocol if due
// Auto-dream: check CHEAP gates first (local file reads only).
// Only hit the API for memory count if time + session gates pass.
const stateDir = session.getStateDir();
const dreamEnabled = cfg.skills?.dream?.enabled !== false && cfg.skills?.dream?.auto !== false;
let dreamContext = "";
if (dreamEnabled && stateDir && !isSubagent) {
try {
const memories = await provider.getAll({ user_id: userId, source: "OPENCLAW" });
const memCount = Array.isArray(memories) ? memories.length : 0;
const gateResult = await shouldDream(stateDir, cfg.skills?.dream ?? {}, memCount);
if (gateResult.pass && acquireDreamLock(stateDir)) {
const dreamPrompt = loadDreamPrompt(cfg.skills ?? {});
if (dreamPrompt) {
dreamContext = "\n\n<auto-dream>\nIMPORTANT: Before responding to the user, run a memory consolidation pass. Follow the protocol below, then respond normally.\n\n" + dreamPrompt + "\n</auto-dream>";
dreamJustRan = true;
api.logger.info(`openclaw-mem0: auto-dream triggered (${memCount} memories, gate passed)`);
} else {
releaseDreamLock(stateDir);
const cheapResult = checkCheapGates(stateDir, cfg.skills?.dream ?? {});
if (cheapResult.proceed) {
// Cheap gates passed. Now do the expensive memory count check.
const memories = await provider.getAll({ user_id: userId, source: "OPENCLAW" });
const memCount = Array.isArray(memories) ? memories.length : 0;
const memResult = checkMemoryGate(memCount, cfg.skills?.dream ?? {});
if (memResult.pass && acquireDreamLock(stateDir)) {
const dreamPrompt = loadDreamPrompt(cfg.skills ?? {});
if (dreamPrompt) {
dreamContext = "\n\n<auto-dream>\nIMPORTANT: Before responding to the user, run a memory consolidation pass. Follow the protocol below, then respond normally.\n\n" + dreamPrompt + "\n</auto-dream>";
// Track which session triggered dream (session-keyed, not global)
dreamSessionId = sessionId;
api.logger.info(`openclaw-mem0: auto-dream triggered (${memCount} memories, gate passed)`);
} else {
releaseDreamLock(stateDir);
}
}
}
} catch (err) {
@@ -1336,25 +1343,57 @@ function registerHooks(
};
});
// Skills mode: NO auto-capture. Track sessions for dream gating.
let dreamJustRan = false;
// Session-keyed dream tracking. Only the session that triggered dream
// can complete it. Prevents cross-session false completion.
let dreamSessionId: string | undefined;
api.on("agent_end", async (event: any, ctx: any) => {
if (!event.success) return;
const sessionId = ctx?.sessionKey ?? undefined;
const trigger = ctx?.trigger ?? undefined;
if (sessionId) session.setCurrentSessionId(sessionId);
// If dream just ran, release lock and record completion
// If dream was triggered for THIS session, handle cleanup regardless
// of success/failure. A failed turn must still release the lock.
const stateDir = session.getStateDir();
if (dreamJustRan && stateDir) {
releaseDreamLock(stateDir);
recordDreamCompletion(stateDir);
api.logger.info("openclaw-mem0: auto-dream completed, lock released");
dreamJustRan = false;
if (dreamSessionId && dreamSessionId === sessionId && stateDir) {
dreamSessionId = undefined;
if (!event.success) {
// Turn failed/aborted after lock acquired. Release lock, do not
// record completion. Gates will re-trigger next eligible turn.
releaseDreamLock(stateDir);
api.logger.warn("openclaw-mem0: auto-dream turn failed, lock released, will retry");
return;
}
// Verify the model actually performed WRITE operations (not just reads).
// Only count memory_store, memory_update, memory_forget, memory_delete_all.
// Exclude memory_list and memory_search (read-only, orient-only pass).
// Scan only the LAST assistant message (this turn), not the full session
// snapshot, to avoid matching earlier tool calls from prior turns.
const WRITE_TOOLS = new Set(["memory_store", "memory_update", "memory_forget", "memory_delete_all"]);
const messages = event.messages ?? [];
// Find the last assistant message (this turn's output)
const lastAssistant = [...messages].reverse().find((m: any) => m.role === "assistant");
const writeToolUsed = lastAssistant && Array.isArray(lastAssistant.content)
? lastAssistant.content.some((block: any) =>
block.type === "tool_use" && WRITE_TOOLS.has(block.name)
)
: false;
if (writeToolUsed) {
releaseDreamLock(stateDir);
recordDreamCompletion(stateDir);
api.logger.info("openclaw-mem0: auto-dream completed (verified write tool usage), lock released");
} else {
releaseDreamLock(stateDir);
api.logger.warn("openclaw-mem0: auto-dream injected but no write tools executed. Lock released, will retry.");
}
return;
}
if (!event.success) return;
// Track session for dream gating (interactive turns only)
if (stateDir && sessionId && !isNonInteractiveTrigger(trigger, sessionId)) {
incrementSessionCount(stateDir, sessionId);