@stackmemoryai/stackmemory/dist/src/daemon/services/context-service.js

Project-scoped memory for AI coding tools. Durable context across sessions with MCP integration, frames, smart retrieval, Claude Code skills, and automatic hooks.

import { fileURLToPath as __fileURLToPath } from 'url';
import { dirname as __pathDirname } from 'path';
const __filename = __fileURLToPath(import.meta.url);
const __dirname = __pathDirname(__filename);
import { existsSync } from "fs";
import { join } from "path";
import { execSync } from "child_process";
import { homedir } from "os";
class DaemonContextService {
  config;
  state;
  intervalId;
  isRunning = false;
  onLog;
  constructor(config, onLog) {
    this.config = config;
    this.onLog = onLog;
    this.state = {
      lastSaveTime: 0,
      saveCount: 0,
      errors: []
    };
  }
  start() {
    if (this.isRunning || !this.config.enabled) {
      return;
    }
    this.isRunning = true;
    const intervalMs = this.config.interval * 60 * 1e3;
    this.onLog("INFO", "Context service started", {
      interval: this.config.interval
    });
    this.saveContext();
    this.intervalId = setInterval(() => {
      this.saveContext();
    }, intervalMs);
  }
  stop() {
    if (this.intervalId) {
      clearInterval(this.intervalId);
      this.intervalId = void 0;
    }
    this.isRunning = false;
    this.onLog("INFO", "Context service stopped");
  }
  getState() {
    return { ...this.state };
  }
  updateConfig(config) {
    const wasRunning = this.isRunning;
    if (wasRunning) {
      this.stop();
    }
    this.config = { ...this.config, ...config };
    if (wasRunning && this.config.enabled) {
      this.start();
    }
  }
  forceSave() {
    this.saveContext();
  }
  saveContext() {
    if (!this.isRunning) return;
    try {
      const stackmemoryBin = this.getStackMemoryBin();
      if (!stackmemoryBin) {
        this.onLog("WARN", "StackMemory binary not found");
        return;
      }
      const message = this.config.checkpointMessage || `Auto-checkpoint #${this.state.saveCount + 1}`;
      const fullMessage = `${message} at ${(/* @__PURE__ */ new Date()).toISOString()}`;
      execSync(`"${stackmemoryBin}" context add observation "${fullMessage}"`, {
        timeout: 3e4,
        encoding: "utf8",
        stdio: "pipe"
      });
      this.state.saveCount++;
      this.state.lastSaveTime = Date.now();
      this.onLog("INFO", "Context saved", {
        saveCount: this.state.saveCount
      });
    } catch (err) {
      const errorMsg = err instanceof Error ? err.message : String(err);
      if (!errorMsg.includes("EBUSY") && !errorMsg.includes("EAGAIN")) {
        this.state.errors.push(errorMsg);
        this.onLog("WARN", "Failed to save context", { error: errorMsg });
        if (this.state.errors.length > 10) {
          this.state.errors = this.state.errors.slice(-10);
        }
      }
    }
  }
  getStackMemoryBin() {
    const homeDir = homedir();
    const locations = [
      join(homeDir, ".stackmemory", "bin", "stackmemory"),
      join(homeDir, ".local", "bin", "stackmemory"),
      "/usr/local/bin/stackmemory",
      "/opt/homebrew/bin/stackmemory"
    ];
    for (const loc of locations) {
      if (existsSync(loc)) {
        return loc;
      }
    }
    try {
      const result = execSync("which stackmemory", {
        encoding: "utf8",
        stdio: "pipe"
      }).trim();
      if (result && existsSync(result)) {
        return result;
      }
    } catch {
    }
    return null;
  }
}
export {
  DaemonContextService
};
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