Files
Moltbot/src/gateway/server-chat.ts
2026-02-21 20:08:55 +01:00

502 lines
15 KiB
TypeScript

import { DEFAULT_HEARTBEAT_ACK_MAX_CHARS, stripHeartbeatToken } from "../auto-reply/heartbeat.js";
import { normalizeVerboseLevel } from "../auto-reply/thinking.js";
import { isSilentReplyText, SILENT_REPLY_TOKEN } from "../auto-reply/tokens.js";
import { loadConfig } from "../config/config.js";
import { type AgentEventPayload, getAgentRunContext } from "../infra/agent-events.js";
import { resolveHeartbeatVisibility } from "../infra/heartbeat-visibility.js";
import { stripInlineDirectiveTagsForDisplay } from "../utils/directive-tags.js";
import { loadSessionEntry } from "./session-utils.js";
import { formatForLog } from "./ws-log.js";
function resolveHeartbeatAckMaxChars(): number {
try {
const cfg = loadConfig();
return Math.max(
0,
cfg.agents?.defaults?.heartbeat?.ackMaxChars ?? DEFAULT_HEARTBEAT_ACK_MAX_CHARS,
);
} catch {
return DEFAULT_HEARTBEAT_ACK_MAX_CHARS;
}
}
function resolveHeartbeatContext(runId: string, sourceRunId?: string) {
const primary = getAgentRunContext(runId);
if (primary?.isHeartbeat) {
return primary;
}
if (sourceRunId && sourceRunId !== runId) {
const source = getAgentRunContext(sourceRunId);
if (source?.isHeartbeat) {
return source;
}
}
return primary;
}
/**
* Check if heartbeat ACK/noise should be hidden from interactive chat surfaces.
*/
function shouldHideHeartbeatChatOutput(runId: string, sourceRunId?: string): boolean {
const runContext = resolveHeartbeatContext(runId, sourceRunId);
if (!runContext?.isHeartbeat) {
return false;
}
try {
const cfg = loadConfig();
const visibility = resolveHeartbeatVisibility({ cfg, channel: "webchat" });
return !visibility.showOk;
} catch {
// Default to suppressing if we can't load config
return true;
}
}
function normalizeHeartbeatChatFinalText(params: {
runId: string;
sourceRunId?: string;
text: string;
}): { suppress: boolean; text: string } {
if (!shouldHideHeartbeatChatOutput(params.runId, params.sourceRunId)) {
return { suppress: false, text: params.text };
}
const stripped = stripHeartbeatToken(params.text, {
mode: "heartbeat",
maxAckChars: resolveHeartbeatAckMaxChars(),
});
if (!stripped.didStrip) {
return { suppress: false, text: params.text };
}
if (stripped.shouldSkip) {
return { suppress: true, text: "" };
}
return { suppress: false, text: stripped.text };
}
export type ChatRunEntry = {
sessionKey: string;
clientRunId: string;
};
export type ChatRunRegistry = {
add: (sessionId: string, entry: ChatRunEntry) => void;
peek: (sessionId: string) => ChatRunEntry | undefined;
shift: (sessionId: string) => ChatRunEntry | undefined;
remove: (sessionId: string, clientRunId: string, sessionKey?: string) => ChatRunEntry | undefined;
clear: () => void;
};
export function createChatRunRegistry(): ChatRunRegistry {
const chatRunSessions = new Map<string, ChatRunEntry[]>();
const add = (sessionId: string, entry: ChatRunEntry) => {
const queue = chatRunSessions.get(sessionId);
if (queue) {
queue.push(entry);
} else {
chatRunSessions.set(sessionId, [entry]);
}
};
const peek = (sessionId: string) => chatRunSessions.get(sessionId)?.[0];
const shift = (sessionId: string) => {
const queue = chatRunSessions.get(sessionId);
if (!queue || queue.length === 0) {
return undefined;
}
const entry = queue.shift();
if (!queue.length) {
chatRunSessions.delete(sessionId);
}
return entry;
};
const remove = (sessionId: string, clientRunId: string, sessionKey?: string) => {
const queue = chatRunSessions.get(sessionId);
if (!queue || queue.length === 0) {
return undefined;
}
const idx = queue.findIndex(
(entry) =>
entry.clientRunId === clientRunId && (sessionKey ? entry.sessionKey === sessionKey : true),
);
if (idx < 0) {
return undefined;
}
const [entry] = queue.splice(idx, 1);
if (!queue.length) {
chatRunSessions.delete(sessionId);
}
return entry;
};
const clear = () => {
chatRunSessions.clear();
};
return { add, peek, shift, remove, clear };
}
export type ChatRunState = {
registry: ChatRunRegistry;
buffers: Map<string, string>;
deltaSentAt: Map<string, number>;
abortedRuns: Map<string, number>;
clear: () => void;
};
export function createChatRunState(): ChatRunState {
const registry = createChatRunRegistry();
const buffers = new Map<string, string>();
const deltaSentAt = new Map<string, number>();
const abortedRuns = new Map<string, number>();
const clear = () => {
registry.clear();
buffers.clear();
deltaSentAt.clear();
abortedRuns.clear();
};
return {
registry,
buffers,
deltaSentAt,
abortedRuns,
clear,
};
}
export type ToolEventRecipientRegistry = {
add: (runId: string, connId: string) => void;
get: (runId: string) => ReadonlySet<string> | undefined;
markFinal: (runId: string) => void;
};
type ToolRecipientEntry = {
connIds: Set<string>;
updatedAt: number;
finalizedAt?: number;
};
const TOOL_EVENT_RECIPIENT_TTL_MS = 10 * 60 * 1000;
const TOOL_EVENT_RECIPIENT_FINAL_GRACE_MS = 30 * 1000;
export function createToolEventRecipientRegistry(): ToolEventRecipientRegistry {
const recipients = new Map<string, ToolRecipientEntry>();
const prune = () => {
if (recipients.size === 0) {
return;
}
const now = Date.now();
for (const [runId, entry] of recipients) {
const cutoff = entry.finalizedAt
? entry.finalizedAt + TOOL_EVENT_RECIPIENT_FINAL_GRACE_MS
: entry.updatedAt + TOOL_EVENT_RECIPIENT_TTL_MS;
if (now >= cutoff) {
recipients.delete(runId);
}
}
};
const add = (runId: string, connId: string) => {
if (!runId || !connId) {
return;
}
const now = Date.now();
const existing = recipients.get(runId);
if (existing) {
existing.connIds.add(connId);
existing.updatedAt = now;
} else {
recipients.set(runId, {
connIds: new Set([connId]),
updatedAt: now,
});
}
prune();
};
const get = (runId: string) => {
const entry = recipients.get(runId);
if (!entry) {
return undefined;
}
entry.updatedAt = Date.now();
prune();
return entry.connIds;
};
const markFinal = (runId: string) => {
const entry = recipients.get(runId);
if (!entry) {
return;
}
entry.finalizedAt = Date.now();
prune();
};
return { add, get, markFinal };
}
export type ChatEventBroadcast = (
event: string,
payload: unknown,
opts?: { dropIfSlow?: boolean },
) => void;
export type NodeSendToSession = (sessionKey: string, event: string, payload: unknown) => void;
export type AgentEventHandlerOptions = {
broadcast: ChatEventBroadcast;
broadcastToConnIds: (
event: string,
payload: unknown,
connIds: ReadonlySet<string>,
opts?: { dropIfSlow?: boolean },
) => void;
nodeSendToSession: NodeSendToSession;
agentRunSeq: Map<string, number>;
chatRunState: ChatRunState;
resolveSessionKeyForRun: (runId: string) => string | undefined;
clearAgentRunContext: (runId: string) => void;
toolEventRecipients: ToolEventRecipientRegistry;
};
export function createAgentEventHandler({
broadcast,
broadcastToConnIds,
nodeSendToSession,
agentRunSeq,
chatRunState,
resolveSessionKeyForRun,
clearAgentRunContext,
toolEventRecipients,
}: AgentEventHandlerOptions) {
const emitChatDelta = (
sessionKey: string,
clientRunId: string,
sourceRunId: string,
seq: number,
text: string,
) => {
const cleaned = stripInlineDirectiveTagsForDisplay(text).text;
if (!cleaned) {
return;
}
if (isSilentReplyText(cleaned, SILENT_REPLY_TOKEN)) {
return;
}
chatRunState.buffers.set(clientRunId, cleaned);
if (shouldHideHeartbeatChatOutput(clientRunId, sourceRunId)) {
return;
}
const now = Date.now();
const last = chatRunState.deltaSentAt.get(clientRunId) ?? 0;
if (now - last < 150) {
return;
}
chatRunState.deltaSentAt.set(clientRunId, now);
const payload = {
runId: clientRunId,
sessionKey,
seq,
state: "delta" as const,
message: {
role: "assistant",
content: [{ type: "text", text: cleaned }],
timestamp: now,
},
};
broadcast("chat", payload, { dropIfSlow: true });
nodeSendToSession(sessionKey, "chat", payload);
};
const emitChatFinal = (
sessionKey: string,
clientRunId: string,
sourceRunId: string,
seq: number,
jobState: "done" | "error",
error?: unknown,
) => {
const bufferedText = stripInlineDirectiveTagsForDisplay(
chatRunState.buffers.get(clientRunId) ?? "",
).text.trim();
const normalizedHeartbeatText = normalizeHeartbeatChatFinalText({
runId: clientRunId,
sourceRunId,
text: bufferedText,
});
const text = normalizedHeartbeatText.text.trim();
const shouldSuppressSilent =
normalizedHeartbeatText.suppress || isSilentReplyText(text, SILENT_REPLY_TOKEN);
chatRunState.buffers.delete(clientRunId);
chatRunState.deltaSentAt.delete(clientRunId);
if (jobState === "done") {
const payload = {
runId: clientRunId,
sessionKey,
seq,
state: "final" as const,
message:
text && !shouldSuppressSilent
? {
role: "assistant",
content: [{ type: "text", text }],
timestamp: Date.now(),
}
: undefined,
};
broadcast("chat", payload);
nodeSendToSession(sessionKey, "chat", payload);
return;
}
const payload = {
runId: clientRunId,
sessionKey,
seq,
state: "error" as const,
errorMessage: error ? formatForLog(error) : undefined,
};
broadcast("chat", payload);
nodeSendToSession(sessionKey, "chat", payload);
};
const resolveToolVerboseLevel = (runId: string, sessionKey?: string) => {
const runContext = getAgentRunContext(runId);
const runVerbose = normalizeVerboseLevel(runContext?.verboseLevel);
if (runVerbose) {
return runVerbose;
}
if (!sessionKey) {
return "off";
}
try {
const { cfg, entry } = loadSessionEntry(sessionKey);
const sessionVerbose = normalizeVerboseLevel(entry?.verboseLevel);
if (sessionVerbose) {
return sessionVerbose;
}
const defaultVerbose = normalizeVerboseLevel(cfg.agents?.defaults?.verboseDefault);
return defaultVerbose ?? "off";
} catch {
return "off";
}
};
return (evt: AgentEventPayload) => {
const chatLink = chatRunState.registry.peek(evt.runId);
const eventSessionKey =
typeof evt.sessionKey === "string" && evt.sessionKey.trim() ? evt.sessionKey : undefined;
const sessionKey =
chatLink?.sessionKey ?? eventSessionKey ?? resolveSessionKeyForRun(evt.runId);
const clientRunId = chatLink?.clientRunId ?? evt.runId;
const eventRunId = chatLink?.clientRunId ?? evt.runId;
const eventForClients = chatLink ? { ...evt, runId: eventRunId } : evt;
const isAborted =
chatRunState.abortedRuns.has(clientRunId) || chatRunState.abortedRuns.has(evt.runId);
// Include sessionKey so Control UI can filter tool streams per session.
const agentPayload = sessionKey ? { ...eventForClients, sessionKey } : eventForClients;
const last = agentRunSeq.get(evt.runId) ?? 0;
const isToolEvent = evt.stream === "tool";
const toolVerbose = isToolEvent ? resolveToolVerboseLevel(evt.runId, sessionKey) : "off";
// Build tool payload: strip result/partialResult unless verbose=full
const toolPayload =
isToolEvent && toolVerbose !== "full"
? (() => {
const data = evt.data ? { ...evt.data } : {};
delete data.result;
delete data.partialResult;
return sessionKey
? { ...eventForClients, sessionKey, data }
: { ...eventForClients, data };
})()
: agentPayload;
if (evt.seq !== last + 1) {
broadcast("agent", {
runId: eventRunId,
stream: "error",
ts: Date.now(),
sessionKey,
data: {
reason: "seq gap",
expected: last + 1,
received: evt.seq,
},
});
}
agentRunSeq.set(evt.runId, evt.seq);
if (isToolEvent) {
// Always broadcast tool events to registered WS recipients with
// tool-events capability, regardless of verboseLevel. The verbose
// setting only controls whether tool details are sent as channel
// messages to messaging surfaces (Telegram, Discord, etc.).
const recipients = toolEventRecipients.get(evt.runId);
if (recipients && recipients.size > 0) {
broadcastToConnIds("agent", toolPayload, recipients);
}
} else {
broadcast("agent", agentPayload);
}
const lifecyclePhase =
evt.stream === "lifecycle" && typeof evt.data?.phase === "string" ? evt.data.phase : null;
if (sessionKey) {
// Send tool events to node/channel subscribers only when verbose is enabled;
// WS clients already received the event above via broadcastToConnIds.
if (!isToolEvent || toolVerbose !== "off") {
nodeSendToSession(sessionKey, "agent", isToolEvent ? toolPayload : agentPayload);
}
if (!isAborted && evt.stream === "assistant" && typeof evt.data?.text === "string") {
emitChatDelta(sessionKey, clientRunId, evt.runId, evt.seq, evt.data.text);
} else if (!isAborted && (lifecyclePhase === "end" || lifecyclePhase === "error")) {
if (chatLink) {
const finished = chatRunState.registry.shift(evt.runId);
if (!finished) {
clearAgentRunContext(evt.runId);
return;
}
emitChatFinal(
finished.sessionKey,
finished.clientRunId,
evt.runId,
evt.seq,
lifecyclePhase === "error" ? "error" : "done",
evt.data?.error,
);
} else {
emitChatFinal(
sessionKey,
eventRunId,
evt.runId,
evt.seq,
lifecyclePhase === "error" ? "error" : "done",
evt.data?.error,
);
}
} else if (isAborted && (lifecyclePhase === "end" || lifecyclePhase === "error")) {
chatRunState.abortedRuns.delete(clientRunId);
chatRunState.abortedRuns.delete(evt.runId);
chatRunState.buffers.delete(clientRunId);
chatRunState.deltaSentAt.delete(clientRunId);
if (chatLink) {
chatRunState.registry.remove(evt.runId, clientRunId, sessionKey);
}
}
}
if (lifecyclePhase === "end" || lifecyclePhase === "error") {
toolEventRecipients.markFinal(evt.runId);
clearAgentRunContext(evt.runId);
agentRunSeq.delete(evt.runId);
agentRunSeq.delete(clientRunId);
}
};
}