feat(repos): spaces, projects, tasks with audit stub

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

lib/db/repos/projects.js

@@ -0,0 +1,50 @@
+import { pool } from '../pool.js';
+import { recordAudit } from './audit_stub.js';
+
+export async function create({ space_id, slug, name, description, status = 'active', started_at }, actor) {
+  const { rows: [r] } = await pool.query(
+    `INSERT INTO projects(space_id, slug, name, description, status, started_at)
+     VALUES($1,$2,$3,$4,$5,$6) RETURNING *`,
+    [space_id, slug, name, description || null, status, started_at || null]
+  );
+  await recordAudit(actor, 'create', 'project', r.id, null, r);
+  return r;
+}
+
+export async function getById(id) {
+  const { rows: [r] } = await pool.query(`SELECT * FROM projects WHERE id=$1`, [id]);
+  return r;
+}
+
+export async function listBySpace(space_id, { status } = {}) {
+  const sql = status
+    ? `SELECT * FROM projects WHERE space_id=$1 AND status=$2 ORDER BY name`
+    : `SELECT * FROM projects WHERE space_id=$1 ORDER BY name`;
+  const args = status ? [space_id, status] : [space_id];
+  const { rows } = await pool.query(sql, args);
+  return rows;
+}
+
+export async function update(id, patch, actor) {
+  const before = await getById(id);
+  const fields = ['slug','name','description','status','started_at','completed_at'];
+  const sets = [], vals = [];
+  let i = 1;
+  for (const f of fields) {
+    if (patch[f] !== undefined) { sets.push(`${f}=$${i++}`); vals.push(patch[f]); }
+  }
+  sets.push(`updated_at=now()`);
+  vals.push(id);
+  const { rows: [r] } = await pool.query(
+    `UPDATE projects SET ${sets.join(', ')} WHERE id=$${i} RETURNING *`,
+    vals
+  );
+  await recordAudit(actor, 'update', 'project', id, before, r);
+  return r;
+}
+
+export async function del(id, actor) {
+  const before = await getById(id);
+  await pool.query(`DELETE FROM projects WHERE id=$1`, [id]);
+  await recordAudit(actor, 'delete', 'project', id, before, null);
+}