fix (memory/compaction): inject runtime date-time into memory flush prompt

src/auto-reply/reply/agent-runner-memory.ts

@@ -19,6 +19,7 @@ import { registerAgentRunContext } from "../../infra/agent-events.js";
 import { buildThreadingToolContext, resolveEnforceFinalTag } from "./agent-runner-utils.js";
 import {
   resolveMemoryFlushContextWindowTokens,
+  resolveMemoryFlushPromptForRun,
   resolveMemoryFlushSettings,
   shouldRunMemoryFlush,
 } from "./memory-flush.js";
@@ -133,7 +134,10 @@ export async function runMemoryFlushIfNeeded(params: {
           agentDir: params.followupRun.run.agentDir,
           config: params.followupRun.run.config,
           skillsSnapshot: params.followupRun.run.skillsSnapshot,
-          prompt: memoryFlushSettings.prompt,
+          prompt: resolveMemoryFlushPromptForRun({
+            prompt: memoryFlushSettings.prompt,
+            cfg: params.cfg,
+          }),
           extraSystemPrompt: flushSystemPrompt,
           ownerNumbers: params.followupRun.run.ownerNumbers,
           enforceFinalTag: resolveEnforceFinalTag(params.followupRun.run, provider),

src/auto-reply/reply/memory-flush.ts

@@ -1,5 +1,6 @@
 import type { OpenClawConfig } from "../../config/config.js";
 import { lookupContextTokens } from "../../agents/context.js";
+import { resolveCronStyleNow } from "../../agents/current-time.js";
 import { DEFAULT_CONTEXT_TOKENS } from "../../agents/defaults.js";
 import { DEFAULT_PI_COMPACTION_RESERVE_TOKENS_FLOOR } from "../../agents/pi-settings.js";
 import { resolveFreshSessionTotalTokens, type SessionEntry } from "../../config/sessions.js";
@@ -20,6 +21,40 @@ export const DEFAULT_MEMORY_FLUSH_SYSTEM_PROMPT = [
   `You may reply, but usually ${SILENT_REPLY_TOKEN} is correct.`,
 ].join(" ");
 
+function formatDateStampInTimezone(nowMs: number, timezone: string): string {
+  const parts = new Intl.DateTimeFormat("en-US", {
+    timeZone: timezone,
+    year: "numeric",
+    month: "2-digit",
+    day: "2-digit",
+  }).formatToParts(new Date(nowMs));
+  const year = parts.find((part) => part.type === "year")?.value;
+  const month = parts.find((part) => part.type === "month")?.value;
+  const day = parts.find((part) => part.type === "day")?.value;
+  if (year && month && day) {
+    return `${year}-${month}-${day}`;
+  }
+  return new Date(nowMs).toISOString().slice(0, 10);
+}
+
+export function resolveMemoryFlushPromptForRun(params: {
+  prompt: string;
+  cfg?: OpenClawConfig;
+  nowMs?: number;
+}): string {
+  const nowMs = Number.isFinite(params.nowMs) ? (params.nowMs as number) : Date.now();
+  const { userTimezone, timeLine } = resolveCronStyleNow(params.cfg ?? {}, nowMs);
+  const dateStamp = formatDateStampInTimezone(nowMs, userTimezone);
+  const withDate = params.prompt.replaceAll("YYYY-MM-DD", dateStamp).trimEnd();
+  if (!withDate) {
+    return timeLine;
+  }
+  if (withDate.includes("Current time:")) {
+    return withDate;
+  }
+  return `${withDate}\n${timeLine}`;
+}
+
 export type MemoryFlushSettings = {
   enabled: boolean;
   softThresholdTokens: number;