feat(jobs): jobs repo (list/getById/retry/remove)

Unifies pgboss.job (current, per-queue partitioned) and pgboss.archive
under one SELECT for operator views. retry promotes archived rows back
into the active partition.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

lib/db/repos/jobs.js

@@ -0,0 +1,73 @@
+import { pool } from '../pool.js';
+
+// pg-boss v10 stores jobs in pgboss.job (current, partitioned per queue)
+// and pgboss.archive (finished + cleaned). Unify them for list/get views.
+
+const SELECT_COLS = `
+  id, name, state, data, output, retry_count AS retrycount,
+  created_on AS created_on, started_on AS started_on, completed_on AS completed_on
+`;
+
+export async function list({ state, name, limit = 50 } = {}) {
+  const where = [];
+  const args = [];
+  let i = 1;
+  if (state) { where.push(`state=$${i++}`); args.push(state); }
+  if (name)  { where.push(`name=$${i++}`);  args.push(name); }
+  args.push(limit);
+  const w = where.length ? `WHERE ${where.join(' AND ')}` : '';
+  const sql = `
+    SELECT * FROM (
+      SELECT ${SELECT_COLS} FROM pgboss.job
+      UNION ALL
+      SELECT ${SELECT_COLS} FROM pgboss.archive
+    ) u ${w}
+    ORDER BY created_on DESC
+    LIMIT $${i}
+  `;
+  const { rows } = await pool.query(sql, args);
+  return rows;
+}
+
+export async function getById(id) {
+  const sql = `
+    SELECT ${SELECT_COLS} FROM pgboss.job WHERE id=$1
+    UNION ALL
+    SELECT ${SELECT_COLS} FROM pgboss.archive WHERE id=$1
+    LIMIT 1
+  `;
+  const { rows: [r] } = await pool.query(sql, [id]);
+  return r ?? null;
+}
+
+export async function retry(id) {
+  // pg-boss v10 has no public resubmit. Update state in the partition
+  // table; the poller picks it up.
+  const { rows: [r] } = await pool.query(
+    `UPDATE pgboss.job SET state='retry', retry_count=retry_count+1
+       WHERE id=$1 RETURNING ${SELECT_COLS}`,
+    [id]
+  );
+  if (r) return r;
+  // Fall back: copy from archive into the partition for the same name.
+  const { rows: [a] } = await pool.query(
+    `WITH src AS (DELETE FROM pgboss.archive WHERE id=$1 RETURNING *)
+     INSERT INTO pgboss.job (id, name, priority, data, state, retry_limit, retry_count,
+                             retry_delay, retry_backoff, start_after, started_on,
+                             singleton_key, singleton_on, expire_in, created_on,
+                             completed_on, keep_until, output, dead_letter, policy)
+     SELECT id, name, priority, data, 'retry', retry_limit, retry_count + 1,
+            retry_delay, retry_backoff, now(), NULL,
+            singleton_key, singleton_on, expire_in, now(),
+            NULL, keep_until, output, dead_letter, policy
+       FROM src
+     RETURNING ${SELECT_COLS}`,
+    [id]
+  );
+  return a ?? null;
+}
+
+export async function remove(id) {
+  await pool.query(`DELETE FROM pgboss.job WHERE id=$1`, [id]);
+  await pool.query(`DELETE FROM pgboss.archive WHERE id=$1`, [id]);
+}