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// installed by herdr
// managed by herdr; reinstalling or updating the integration overwrites this file.
// add custom hooks/plugins beside this file instead of editing it.
// HERDR_INTEGRATION_ID=opencode
// HERDR_INTEGRATION_VERSION=7
import net from "node:net";
const SOURCE = "herdr:opencode";
const AGENT = "opencode";
let reportSeq = Date.now() * 1000;
// Subagent (task tool) sessions carry a parentID; the main agent session does
// not. Their lifecycle events would otherwise clobber the pane's real state, so
// learn child session ids from session.created/updated and drop their reports.
const childSessions = new Set();
function nextReportSeq() {
reportSeq += 1;
return reportSeq;
}
function sessionIDFromProperties(properties) {
return typeof properties?.sessionID === "string" && properties.sessionID
? properties.sessionID
: undefined;
}
function stateFromSessionStatus(status) {
if (typeof status !== "string") {
return undefined;
}
switch (status.toLowerCase()) {
case "idle":
return "idle";
case "active":
case "busy":
case "pending":
case "running":
case "streaming":
case "working":
return "working";
default:
return undefined;
}
}
function request(method, params) {
const paneId = process.env.HERDR_PANE_ID;
const socketPath = process.env.HERDR_SOCKET_PATH;
if (!paneId || !socketPath) {
return Promise.resolve();
}
const requestId = `${SOURCE}:${Date.now()}:${Math.floor(Math.random() * 1_000_000)
.toString()
.padStart(6, "0")}`;
const request = {
id: requestId,
method,
params: {
pane_id: paneId,
source: SOURCE,
agent: AGENT,
seq: nextReportSeq(),
...params,
},
};
return new Promise((resolve) => {
const client = net.createConnection(socketPath, () => {
client.write(`${JSON.stringify(request)}\n`);
});
const finish = () => {
client.destroy();
resolve();
};
client.setTimeout(500, finish);
client.on("data", finish);
client.on("error", finish);
client.on("end", finish);
client.on("close", resolve);
});
}
function reportSession(sessionID, sessionStartSource) {
if (!sessionID) {
return Promise.resolve();
}
const params = { agent_session_id: sessionID };
if (sessionStartSource) {
params.session_start_source = sessionStartSource;
}
return request("pane.report_agent_session", params);
}
function reportState(state, sessionID) {
const params = { state };
if (sessionID) {
params.agent_session_id = sessionID;
}
return request("pane.report_agent", params);
}
export const HerdrAgentStatePlugin = async () => {
if (
process.env.HERDR_ENV !== "1" ||
!process.env.HERDR_SOCKET_PATH ||
!process.env.HERDR_PANE_ID
) {
return {};
}
return {
"chat.message": async ({ sessionID }) => {
if (sessionID && childSessions.has(sessionID)) {
return;
}
await reportState("working", sessionID);
},
event: async ({ event }) => {
const type = event?.type;
const properties = event?.properties ?? {};
const sessionID = sessionIDFromProperties(properties);
const info = properties.info;
if (info?.id && info.parentID) {
childSessions.add(info.id);
}
if (sessionID && childSessions.has(sessionID)) {
return;
}
switch (type) {
case "session.created":
// A root session.created is a genuine new-session start (subagent
// creates are dropped above). Signal it so herdr replaces the pane's
// prior session id instead of treating the change as cross-talk.
await reportSession(sessionID, "new");
break;
case "session.updated":
await reportSession(sessionID);
break;
case "session.status": {
const state = stateFromSessionStatus(properties.status);
if (state) {
await reportState(state, sessionID);
} else {
await reportSession(sessionID);
}
break;
}
case "tool.execute.before":
case "tool.execute.after":
case "permission.replied":
case "question.replied":
case "question.rejected":
case "session.compacted":
await reportState("working", sessionID);
break;
case "permission.asked":
case "question.asked":
case "session.error":
await reportState("blocked", sessionID);
break;
case "session.idle":
await reportState("idle", sessionID);
break;
case "session.deleted":
break;
default:
break;
}
},
};
};
|
