fix: preserve schema 15 compatibility for v0.1.8

tests/test_monthly_settlement_history.py

@@ -1,4 +1,5 @@
 from pathlib import Path
+import sqlite3
 
 from jarca_ledger_mcp.db import init_db
 from jarca_ledger_mcp.application.monthly_settlement_service import (
@@ -7,17 +8,56 @@ from jarca_ledger_mcp.application.monthly_settlement_service import (
 )
 
 
-def test_monthly_history_is_explicitly_unsupported_in_schema15(tmp_path: Path):
+def _seed_history(path: str) -> None:
+    init_db(path)
+    with sqlite3.connect(path) as conn:
+        conn.execute(
+            """INSERT INTO asset_snapshot_runs
+               (id,basis_date,close_status,draft_version,approved_at,correction_of_run_id,
+                correction_reason,created_at,settlement_month,income_total,expense_total,
+                net_cashflow,net_worth)
+               VALUES ('run-1','2026-09-30','complete_exact',3,'2026-10-01','','',
+                       '2026-10-01','2026-09',100,40,60,1000)"""
+        )
+        conn.execute(
+            """INSERT INTO asset_snapshot_runs
+               (id,basis_date,close_status,draft_version,approved_at,correction_of_run_id,
+                correction_reason,created_at,settlement_month,income_total,expense_total,
+                net_cashflow,net_worth)
+               VALUES ('run-2','2026-09-30','conditional',4,'2026-10-02','run-1','fix',
+                       '2026-10-02','2026-09',100,45,55,995)"""
+        )
+
+
+def test_monthly_history_lists_close_and_correction_records(tmp_path: Path):
     path = str(tmp_path / "history.sqlite3")
-    init_db(path)
-    result = list_monthly_settlement_history(db_path=path)
-    assert result["success"] is False
-    assert result["error_code"] == "unsupported"
+    _seed_history(path)
+
+    result = list_monthly_settlement_history("2026-09", db_path=path)
+
+    assert result["success"] is True
+    assert [row["run_id"] for row in result["history"]] == ["run-2", "run-1"]
+    assert result["history"][0]["correction_target"] == "run-1"
+    assert result["read_only"] is True
 
 
-def test_monthly_history_record_read_is_explicitly_unsupported(tmp_path: Path):
+def test_monthly_history_record_reads_exact_run(tmp_path: Path):
     path = str(tmp_path / "history-read.sqlite3")
-    init_db(path)
+    _seed_history(path)
+
     result = get_monthly_settlement_history_record("run-1", db_path=path)
+
+    assert result["success"] is True
+    assert result["history"]["run_id"] == "run-1"
+    assert result["history"]["net_cashflow"] == 60
+    assert result["history"]["net_worth"] == 1000
+
+
+def test_monthly_history_record_reports_missing_run(tmp_path: Path):
+    path = str(tmp_path / "history-missing.sqlite3")
+    init_db(path)
+
+    result = get_monthly_settlement_history_record("missing", db_path=path)
+
     assert result["success"] is False
-    assert result["error_code"] == "unsupported"
+    assert result["error_code"] == "not_found"