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Cristina Poncela Cubeiro 9e7582aa03 feat: sqlite session storage (#6594)
This PR:

- Adds retainedTail to compaction entries in the new agent harness so we don't have to walk up the tree for the 2000 tokens before compaction,
- Changes getPathToRoot to getPathToRootOrCompaction to only load until last compaction, as unnecessary to access all nodes where it is called,
- Adds a SQLite storage backend, in a separate packages/session-backend-sqlite, with a migration system and schemas as per on-site discussions: sessions to match session header messages (except for metadata, which I couldn't understand what it's used for or where it gets written, so I omitted it), session_entries for shared entry types as columns plus payload as a json for what remains, session_sequences to represent the append-only, serialized nature of the jsonl files, branch_entries to attribute nodes to branches (relationship one-to-many), and session_materialized with the session info (see /session in TUI) to act as a "cache" or quick-access for costs, message count, token info, labels, session name, and model-thinking-level config (e.g. for fast resume).
- This is compatible with the new agent harness Session abstraction.
2026-07-21 11:36:31 +02:00

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901 B
TypeScript

import { join } from "node:path";
import { describe, expect, it } from "vitest";
import { createNodeSqliteFactory } from "../../../storage/sqlite-node/src/index.ts";
import { createTempDir } from "./session-test-utils.ts";
describe("sqlite-node adapter", () => {
it("supports node:sqlite-style named parameters", async () => {
const root = createTempDir();
const databasePath = join(root, "adapter.sqlite");
const sqlite = createNodeSqliteFactory();
const db = await sqlite.open(databasePath);
try {
await db.exec("CREATE TABLE items (id INTEGER PRIMARY KEY, text TEXT NOT NULL)");
await db.prepare("INSERT INTO items (id, text) VALUES ($id, $text)").run({ $id: 1, $text: "hello" });
const row = await db.prepare("SELECT text FROM items WHERE id = $id").get<{ text: string }>({ $id: 1 });
expect(row).toEqual({ text: "hello" });
} finally {
await db.close();
}
});
});