Preserve inactive-category fallback and saved settlement header evidence

tests/test_settlement_cashflow_policy.py

@@ -244,3 +244,67 @@ def test_nonstring_cashflow_decision_kind_has_validation_error():
     except Exception as caught:
         error = caught
     assert isinstance(error, ValueError), "malformed kind must have the validator's ValueError contract, not an unhandled TypeError"
+
+
+def test_inactive_category_uses_raw_fallback_through_public_close(tmp_path):
+    path = str(tmp_path / "inactive-category-fallback.sqlite3")
+    init_db(path)
+    # A close run requires a nonempty asset valuation; cashflow-only drafts cannot finalize.
+    _ok(service.create_manual_asset("Synthetic close cash", 100, "2026-09-30", "cash", db_path=path))
+    cases = [
+        # SQL fallback is category-based: ordinary legacy categories become expense,
+        # while canonical legacy categories retain their established classifications.
+        ("Old exclude", "A", "exclude", "expense", 11, "expense"),
+        ("Old income", "B", "income", "expense", 13, "expense"),
+        ("Old transfer", "C", "transfer", "expense", 17, "expense"),
+        ("Old unknown", "D", "unknown", "income", 19, "expense"),
+        ("Old refund", "E", "exclude", "refund", 5, "expense"),
+        ("Old movement", "F", "exclude", "transfer", 7, "excluded"),
+        ("수입", "Legacy", "exclude", "income", 29, "income"),
+        ("Old expense", "H", "expense", "expense", 37, "expense"),
+        ("Old investment", "G", "investment", "expense", 31, "expense"),
+    ]
+    ids = {}
+    for index, (category, subcategory, kind, raw_type, amount, expected) in enumerate(cases):
+        _add_category(category, subcategory, kind, path)
+        txid = _add_tx(f"2026-09-{index + 1:02d}", raw_type, amount, category, subcategory, path)
+        assert service.delete_ledger_category(category, subcategory, force=True, db_path=path)["success"]
+        ids[txid] = (expected, kind, raw_type, amount)
+    draft = _draft(path)
+    reviewed = _ok(service.review_settlement_draft(draft["id"], db_path=path))
+    by_id = {row["id"]: row for row in reviewed["source_snapshot"]["transactions"]}
+    for txid, (expected, _kind, raw_type, amount) in ids.items():
+        row = by_id[txid]
+        applied = -amount if raw_type == "refund" else amount
+        assert row["cashflow_kind"] == expected
+        assert row["originalcashflow_kind"] == ("income" if row["category"] == "수입" else ("unknown" if row["category"] == "미분류" else "expense"))
+        assert row["applied_amount"] == applied  # excluded movement retains its amount as evidence
+        assert row["sourceprovenance"] == "fallback"
+        assert row["category_cashflow_kind"] is None and row["category_active"] is None
+    assert reviewed["expense_total"] == 123  # 11 + 13 + 17 + 19 - 5 + 31 + 37
+    assert reviewed["income_total"] == 29
+    approved = _ok(service.approve_settlement_draft(draft["id"], draft["version"], reviewed["review_fingerprint"], "reviewer", "synthetic", "ref", db_path=path))
+    closed = _ok(service.finalize_settlement_draft(draft["id"], approved["draft"]["version"], reviewed["review_fingerprint"], "inactive-category-close", db_path=path))
+    snapshot = _ok(service.get_monthly_settlement_snapshot(run_id=closed["snapshot_run_id"], db_path=path))
+    persisted = {row["id"]: row for row in snapshot["source_snapshot"]["transactions"]}
+    for txid in ids:
+        assert persisted[txid]["sourceprovenance"] == "fallback"
+        assert persisted[txid]["category_active"] is None
+        assert persisted[txid]["category_cashflow_kind"] is None
+    assert snapshot["expense_total"] == 123 and snapshot["income_total"] == 29
+
+
+def test_explicit_decision_classifies_only_unresolved_inactive_fallback(tmp_path):
+    path = str(tmp_path / "inactive-explicit-decision.sqlite3")
+    init_db(path)
+    _add_category("미분류", "Retired", "unknown", path)
+    unresolved = _add_tx("2026-09-10", "expense", 23, "미분류", "Retired", path)
+    assert service.delete_ledger_category("미분류", "Retired", force=True, db_path=path)["success"]
+    draft = _draft(path)
+    policy = _policy([{"category": "미분류", "subcategory": "Retired", "cashflow_kind": "income", "reason": "synthetic explicit decision"}])
+    _ok(_capability("set_settlement_cashflow_policy")(draft["id"], draft["version"], "operator", policy, db_path=path))
+    reviewed = _ok(service.review_settlement_draft(draft["id"], db_path=path))
+    row = next(x for x in reviewed["source_snapshot"]["transactions"] if x["id"] == unresolved)
+    assert row["cashflow_kind"] == "income" and row["decision"]["cashflow_kind"] == "income"
+    assert row["originalcashflow_kind"] == "unknown" and row["sourceprovenance"] == "fallback"
+    assert reviewed["income_total"] == 23