feat(repos): agents (+ tokens + caps), conversations, messages

lib/db/repos/conversations.js

@@ -0,0 +1,44 @@
+import { pool } from '../pool.js';
+import { recordAudit } from './audit_stub.js';
+
+export async function create({ title, agent_id, participants, metadata }, actor) {
+  const { rows: [r] } = await pool.query(
+    `INSERT INTO conversations(title, agent_id, participants, metadata)
+     VALUES($1,$2,$3,$4) RETURNING *`,
+    [title || null, agent_id || null, participants || [], metadata || {}]
+  );
+  await recordAudit(actor, 'create', 'conversation', r.id, null, r);
+  return r;
+}
+
+export async function getById(id) {
+  const { rows: [r] } = await pool.query(`SELECT * FROM conversations WHERE id=$1`, [id]);
+  return r;
+}
+
+export async function list({ limit = 50, offset = 0 } = {}) {
+  const { rows } = await pool.query(
+    `SELECT * FROM conversations ORDER BY started_at DESC LIMIT $1 OFFSET $2`,
+    [limit, offset]
+  );
+  return rows;
+}
+
+export async function setStatus(id, status, actor) {
+  const before = await getById(id);
+  const { rows: [r] } = await pool.query(
+    `UPDATE conversations SET status=$1, ended_at = CASE WHEN $1='archived' THEN now() ELSE ended_at END
+     WHERE id=$2 RETURNING *`,
+    [status, id]
+  );
+  await recordAudit(actor, 'update', 'conversation', id, before, r);
+  return r;
+}
+
+export async function setSummary(id, summary) {
+  const { rows: [r] } = await pool.query(
+    `UPDATE conversations SET summary=$1, status='summarized' WHERE id=$2 RETURNING *`,
+    [summary, id]
+  );
+  return r;
+}