feat: allow deleting housekeeper tasks

tests/test_rules.py

@@ -1,4 +1,5 @@
 import json
+import shutil
 from datetime import date
 
 import pytest
@@ -180,3 +181,42 @@ def test_preflight_task_resolves_after_record_is_repaired(tmp_path) -> None:
 
     assert task["status"] == "resolved"
     assert task["resolved_run"] == "2026-06-21:000002"
+
+
+def test_housekeeper_task_can_be_deleted_and_returns_on_next_run(tmp_path) -> None:
+    repository = MemberRepository(tmp_path)
+    repository.initialize()
+    repository.create_member(first_name="Manual", last_name="Delete")
+    housekeeper = Housekeeper(repository)
+    findings = housekeeper.run(today=date(2026, 6, 21))
+    finding = next(item for item in findings if item.code == "missing_birth_date")
+
+    remaining = housekeeper.delete_task(finding.key)
+    state_after_delete = json.loads((repository.root / "hausmeister.json").read_text(encoding="utf-8"))
+
+    assert remaining == []
+    assert state_after_delete["run_counter"] == 1
+    assert state_after_delete["items"] == []
+
+    recreated = housekeeper.run(today=date(2026, 6, 21))
+    recreated_finding = next(item for item in recreated if item.code == "missing_birth_date")
+    state_after_run = json.loads((repository.root / "hausmeister.json").read_text(encoding="utf-8"))
+    recreated_task = next(item for item in state_after_run["items"] if item["key"] == recreated_finding.key)
+
+    assert recreated_finding.key == finding.key
+    assert recreated_task["first_seen_run"] == "2026-06-21:000002"
+
+
+def test_housekeeper_removes_items_for_deleted_member_directory(tmp_path) -> None:
+    repository = MemberRepository(tmp_path)
+    repository.initialize()
+    member = repository.create_member(first_name="Deleted", last_name="Member")
+    housekeeper = Housekeeper(repository)
+    assert housekeeper.run(today=date(2026, 6, 21))
+    shutil.rmtree(repository.members_root / member.member_id)
+
+    findings = housekeeper.run(today=date(2026, 6, 21))
+    state = json.loads((repository.root / "hausmeister.json").read_text(encoding="utf-8"))
+
+    assert findings == []
+    assert not any(item.get("member_id") == member.member_id for item in state["items"])