diff --git a/CHANGELOG.md b/CHANGELOG.md
index a563ff9bb..f6256fcd8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -55,6 +55,7 @@ Status: unreleased.
- Agents: add tool guardrails to stop consecutive tool-error loops and per-turn tool call storms. (#806)
- Security: pin npm overrides to keep tar@7.5.4 for install toolchains.
- BlueBubbles: coalesce inbound URL link preview messages. (#1981) Thanks @tyler6204.
+- Cron: allow payloads containing "heartbeat" in event filter. (#2219) Thanks @dwfinkelstein.
- Agents: include memory.md when bootstrapping memory context. (#2318) Thanks @czekaj.
- Telegram: wrap reasoning italics per line to avoid raw underscores. (#2181) Thanks @YuriNachos.
- Voice Call: enforce Twilio webhook signature verification for ngrok URLs; disable ngrok free tier bypass by default.
diff --git a/README.md b/README.md
index 535cd1c75..3f8853b93 100644
--- a/README.md
+++ b/README.md
@@ -477,35 +477,35 @@ Special thanks to [Mario Zechner](https://mariozechner.at/) for his support and
Thanks to all clawtributors:
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diff --git a/src/auto-reply/reply/history.ts b/src/auto-reply/reply/history.ts
index bc59b4f2e..45ad44d5a 100644
--- a/src/auto-reply/reply/history.ts
+++ b/src/auto-reply/reply/history.ts
@@ -3,6 +3,26 @@ import { CURRENT_MESSAGE_MARKER } from "./mentions.js";
export const HISTORY_CONTEXT_MARKER = "[Chat messages since your last reply - for context]";
export const DEFAULT_GROUP_HISTORY_LIMIT = 50;
+/** Maximum number of group history keys to retain (LRU eviction when exceeded). */
+export const MAX_HISTORY_KEYS = 1000;
+
+/**
+ * Evict oldest keys from a history map when it exceeds MAX_HISTORY_KEYS.
+ * Uses Map's insertion order for LRU-like behavior.
+ */
+export function evictOldHistoryKeys(
+ historyMap: Map,
+ maxKeys: number = MAX_HISTORY_KEYS,
+): void {
+ if (historyMap.size <= maxKeys) return;
+ const keysToDelete = historyMap.size - maxKeys;
+ const iterator = historyMap.keys();
+ for (let i = 0; i < keysToDelete; i++) {
+ const key = iterator.next().value;
+ if (key !== undefined) historyMap.delete(key);
+ }
+}
+
export type HistoryEntry = {
sender: string;
body: string;
@@ -34,7 +54,13 @@ export function appendHistoryEntry(params: {
const history = historyMap.get(historyKey) ?? [];
history.push(entry);
while (history.length > params.limit) history.shift();
+ if (historyMap.has(historyKey)) {
+ // Refresh insertion order so eviction keeps recently used histories.
+ historyMap.delete(historyKey);
+ }
historyMap.set(historyKey, history);
+ // Evict oldest keys if map exceeds max size to prevent unbounded memory growth
+ evictOldHistoryKeys(historyMap);
return history;
}
diff --git a/src/auto-reply/reply/session-updates.ts b/src/auto-reply/reply/session-updates.ts
index 970a714d0..0fea27708 100644
--- a/src/auto-reply/reply/session-updates.ts
+++ b/src/auto-reply/reply/session-updates.ts
@@ -21,7 +21,11 @@ export async function prependSystemEvents(params: {
if (!trimmed) return null;
const lower = trimmed.toLowerCase();
if (lower.includes("reason periodic")) return null;
- if (lower.includes("heartbeat")) return null;
+ // Filter out the actual heartbeat prompt, but not cron jobs that mention "heartbeat"
+ // The heartbeat prompt starts with "Read HEARTBEAT.md" - cron payloads won't match this
+ if (lower.startsWith("read heartbeat.md")) return null;
+ // Also filter heartbeat poll/wake noise
+ if (lower.includes("heartbeat poll") || lower.includes("heartbeat wake")) return null;
if (trimmed.startsWith("Node:")) {
return trimmed.replace(/ · last input [^·]+/i, "").trim();
}
diff --git a/src/gateway/server-http.ts b/src/gateway/server-http.ts
index 08415f346..b72939c6a 100644
--- a/src/gateway/server-http.ts
+++ b/src/gateway/server-http.ts
@@ -291,10 +291,10 @@ export function createGatewayHttpServer(opts: {
res.statusCode = 404;
res.setHeader("Content-Type", "text/plain; charset=utf-8");
res.end("Not Found");
- } catch (err) {
+ } catch {
res.statusCode = 500;
res.setHeader("Content-Type", "text/plain; charset=utf-8");
- res.end(String(err));
+ res.end("Internal Server Error");
}
}