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Simplify session-init: only send SDK prompt, accept session title tradeoff

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Apunkt 2026-05-27 16:58:50 +02:00
parent 87c43219d7
commit a6d6e46b4c
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1 changed files with 15 additions and 17 deletions
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32
deploy/opencode/iai-mcp-session-init.js
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@ -1,8 +1,8 @@
/** /**
* iai-mcp session-init plugin for OpenCode. * iai-mcp session-init plugin for OpenCode.
* *
* Sets the system prompt via chat.message hook's UserMessage.system field. * Sends SDK prompt on session.updated to inject the system instruction.
* This reaches the main agent and triggers memory_session_context on every session. * The model calls memory_session_context on every new session.
*/ */
export const IaiMcpSessionInit = async ({ export const IaiMcpSessionInit = async ({
@ -14,27 +14,25 @@ export const IaiMcpSessionInit = async ({
serverUrl, serverUrl,
$, $,
}) => { }) => {
const injectedSessions = new Set(); const doneSessions = new Set();
return { return {
event: async ({ event }) => { event: async ({ event }) => {
if (event.type !== "session.updated") return; if (event.type !== "session.updated") return;
const sid = event.properties?.info?.id; const sid = event.properties?.info?.id;
if (!sid || injectedSessions.has(sid)) return; if (!sid || doneSessions.has(sid)) return;
injectedSessions.add(sid); doneSessions.add(sid);
},
"chat.message": async (input, output) => { try {
const sid = input.sessionID; await client.session.prompt({
if (!sid || !injectedSessions.has(sid)) return; path: { id: sid },
if (injectedSessions.has(`done-${sid}`)) return; body: {
system: "MANDATORY: Call `memory_session_context` (no arguments) BEFORE answering any user query.",
if (output.message) { parts: [{ type: "text", text: "INIT" }],
output.message.system = noReply: false,
"MANDATORY: Call `memory_session_context` (no arguments) BEFORE answering any user query."; },
} });
} catch {}
injectedSessions.add(`done-${sid}`);
}, },
}; };
}; };