chore: initial commit

Laimiao agent v2 service: agent orchestration, sessions, billing,
gateway client, skills catalog, auth, config, plus tests.

scripts/migrate-contexts.ts

@@ -0,0 +1,45 @@
+import "dotenv/config";
+import { existsSync, readdirSync, readFileSync } from "node:fs";
+import { join } from "node:path";
+
+import { loadConfig } from "../src/config.js";
+import { createLogger } from "../src/logger.js";
+import { MySqlSessionContextStore } from "../src/sessions/context_store.js";
+
+const config = loadConfig();
+const logger = createLogger(config.logLevel);
+const dryRun = process.argv.includes("--dry-run");
+
+async function main(): Promise<void> {
+  const store = new MySqlSessionContextStore(config.mysql, logger);
+  await store.init();
+
+  let migrated = 0;
+  let skipped = 0;
+  if (!existsSync(config.piSessionsDir)) {
+    console.log("no pi session dir, nothing to migrate");
+    await store.close();
+    return;
+  }
+
+  for (const file of readdirSync(config.piSessionsDir)) {
+    if (!file.endsWith(".jsonl")) continue;
+    const match = file.match(/([0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12})\.jsonl$/);
+    const sessionId = match?.[1] ?? file.replace(/^.*?_/, "").replace(/\.jsonl$/, "");
+    if (!sessionId) {
+      skipped += 1;
+      continue;
+    }
+    const content = readFileSync(join(config.piSessionsDir, file));
+    if (!dryRun) await store.save(sessionId, content);
+    migrated += 1;
+  }
+
+  console.log(`${dryRun ? "[dry-run] " : ""}migrated contexts=${migrated} skipped=${skipped}`);
+  await store.close();
+}
+
+main().catch((error) => {
+  console.error("context migration failed:", error);
+  process.exit(1);
+});