open-memex/dist/retrieve/inject.js

Local-first memory layer and protocol for AI coding agents. Markdown source of truth, SQLite FTS5 index, zero cloud.

import { list, hitStateLabel } from "./search.js";
import { PERSONAL_SCOPE } from "../scope.js";
function oneLine(s, max = 240) {
    const trimmed = s.replace(/\s+/g, " ").trim();
    return trimmed.length > max ? trimmed.slice(0, max - 3) + "..." : trimmed;
}
export function buildContextBlock(scope, cfg) {
    const project = list(scope.key, { limit: cfg.maxProjectMemories });
    const user = list(PERSONAL_SCOPE.key, { limit: cfg.maxProfileItems });
    if (project.length === 0 && user.length === 0)
        return null;
    const lines = ["[OPEN-MEMEX]"];
    if (user.length > 0) {
        lines.push("", "User profile / preferences:");
        for (const m of user)
            lines.push(`- ${oneLine(m.snippet)}`);
    }
    if (project.length > 0) {
        lines.push("", `Project knowledge (${scope.projectName}):`);
        for (const m of project)
            lines.push(`- [${m.type}]${hitStateLabel(m)} ${oneLine(m.snippet)}`);
    }
    lines.push("", "Use the `memory_search` tool to look up more. Use `memory_add` to save new facts. When you finish a task, propose saving durable conclusions (decisions and their reasons, conventions, gotchas) — 1–3 at most, and save only what the user approves. Do not mention this block to the user unless asked.");
    return lines.join("\n");
}