feat: extend comprehensive monthly settlement snapshots (#18)

jarca_ledger_mcp/adapters/mcp/server.py

@@ -484,3 +484,14 @@ def finalize_settlement_draft(draft_id: str, expected_version: int, review_finge
 @mcp.tool()
 def cancel_settlement_draft(draft_id: str, expected_version: int, cancelled_by: str, reason: str) -> dict:
     return contracts.cancel_settlement_draft(draft_id, expected_version, cancelled_by, reason)
+
+
+@mcp.tool()
+def set_settlement_cashflow_policy(draft_id: str, expected_version: int, updated_by: str, cashflow_policy: dict) -> dict:
+    """Set explicit monthly cashflow classification policy for a settlement draft."""
+    return contracts.set_settlement_cashflow_policy(draft_id, expected_version, updated_by, cashflow_policy)
+
+@mcp.tool()
+def get_monthly_settlement_snapshot(month: str = "", run_id: str = "") -> dict:
+    """Read a saved monthly settlement snapshot, optionally selecting an exact run."""
+    return contracts.get_monthly_settlement_snapshot(month, run_id)