The par2 prune gets 2 min per round (it held the merges back for hours); abandoned ranges past their end are finished

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

tests/functional/leases.spec.ts

@@ -31,5 +31,12 @@ test.group('Leases', (group) => {
     // a1's worker went quiet: its lease is taken over (a2 alone counts).
     await db.from('ranges').where('id', a1).update({ heartbeat_at: new Date(Date.now() - 24 * 3600_000) })
     assert.equal(await leased(5), a1)
+
+    // Read to its end, its worker gone before finishing: done. One still reading, or quiet but not at its end, stays.
+    await db.from('ranges').where('id', a2).update({ next_id: 201, heartbeat_at: new Date(Date.now() - 24 * 3600_000) })
+    await db.from('ranges').where('id', b1).update({ next_id: 101 })
+    assert.equal(await Leases.finishAbandoned(), 1)
+    assert.equal((await db.from('ranges').where('id', a2).firstOrFail()).status, 'done')
+    assert.equal((await db.from('ranges').where('id', b1).firstOrFail()).status, 'leased')
   })
 })

tests/functional/par2_pruner.spec.ts

@@ -53,8 +53,11 @@ test.group('Par2Pruner', (group) => {
     const locked = await set('e', e, 2, null)
     await db.table('release_verdicts').insert({ release_id: e, rule: 'locked', rule_version: 1 })
 
+    // Out of budget: the complete pass's batch, not the judged pass (the next round goes on).
+    assert.deepEqual(await new Par2Pruner().round(0), { complete: 1, judged: 0, rows: 2 })
+    await db.from('worker_cursors').where('name', 'par2-prune').delete()
     const round = await new Par2Pruner().round()
-    assert.deepEqual(round, { complete: 1, judged: 1, rows: 4 })
+    assert.deepEqual(round, { complete: 0, judged: 1, rows: 2 })
     assert.equal(await count(complete), 0)
     assert.equal(await count(apart), 2)
     assert.equal(await count(recent), 2)