fix: address account valuation review findings

jarca_ledger_mcp/application/review_decision_service.py

@@ -3,6 +3,8 @@ from __future__ import annotations
 from .shared import (
     Any,
     db,
+    read_db,
+    read_operation,
     fail,
     json,
     new_id,
@@ -113,6 +115,7 @@ def attach_review_decisions(db_conn: Any, items: list[dict[str, Any]], target_ty
     return enriched
 
 
+@read_operation
 def list_review_decisions(target_type: str = "", target_id: str = "", status: str = "", limit: int = 100, db_path: str | None = None) -> dict[str, Any]:
     clauses: list[str] = []
     params: list[Any] = []
@@ -131,7 +134,7 @@ def list_review_decisions(target_type: str = "", target_id: str = "", status: st
         params.append(status)
     where = " WHERE " + " AND ".join(clauses) if clauses else ""
     max_limit = max(1, min(int(limit), 1000))
-    with db(db_path) as conn:
+    with read_db(db_path) as conn:
         rows = conn.execute(
             f"SELECT * FROM review_decisions{where} ORDER BY decided_at DESC, updated_at DESC LIMIT ?",
             (*params, max_limit),
@@ -214,6 +217,7 @@ def release_review_decision(target_type: str, target_id: str, memo: str = "", op
     return upsert_review_decision(target_type, target_id, status="pending", decision_type="unknown", reason_code="released", memo=memo, operator=operator, review_after="", db_path=db_path)
 
 
+@read_operation
 def list_reconciliation_sessions(account_id: str = "", status: str = "", basis_date: str = "", limit: int = 100, db_path: str | None = None) -> dict[str, Any]:
     clauses: list[str] = []
     params: list[Any] = []
@@ -235,7 +239,7 @@ def list_reconciliation_sessions(account_id: str = "", status: str = "", basis_d
         clauses.append("basis_date=?")
         params.append(basis_date)
     where = " WHERE " + " AND ".join(clauses) if clauses else ""
-    with db(db_path) as conn:
+    with read_db(db_path) as conn:
         rows = conn.execute(
             f"SELECT * FROM reconciliation_sessions{where} ORDER BY basis_date DESC, updated_at DESC LIMIT ?",
             (*params, max(1, min(int(limit), 1000))),
@@ -338,8 +342,9 @@ def close_reconciliation_session(session_id: str = "", account_id: str = "", bas
     )
 
 
+@read_operation
 def get_review_operating_indicators(db_path: str | None = None) -> dict[str, Any]:
-    with db(db_path) as conn:
+    with read_db(db_path) as conn:
         review_rows = conn.execute("SELECT status, COUNT(*) AS count FROM review_decisions GROUP BY status").fetchall()
         pending_count = int(conn.execute("SELECT COUNT(*) FROM review_decisions WHERE status='pending'").fetchone()[0])
         held_recheck_count = int(conn.execute("SELECT COUNT(*) FROM review_decisions WHERE status IN ('held','needs_recheck')").fetchone()[0])