docs: bind settlement requirement metadata to implementation PR 16

tests/test_requirement_docs.py

@@ -27,7 +27,7 @@ def test_requirement_docs_are_canonical_and_traceable() -> None:
         "applies_to": ["ledger", "dashboard", "mcp"],
         "language": "ko",
         "issue": "#15",
-        "implementation_pr": "미정",
+        "implementation_pr": "https://gitea.jsfamily.quest/jsfamily/jarca-ledger-mcp/pulls/16",
     }
     assert re.search(r"^# REQ-003 — ", body, re.M)
     assert "${" not in text

tests/test_settlement_draft_docs.py

@@ -21,7 +21,7 @@ def test_settlement_requirement_revision_is_additive_and_traceable() -> None:
     assert metadata["id"] == "REQ-003"
     assert metadata["revision"] == "1.1"
     assert metadata["issue"] == "#15"
-    assert metadata["implementation_pr"] == "미정"
+    assert metadata["implementation_pr"] == "https://gitea.jsfamily.quest/jsfamily/jarca-ledger-mcp/pulls/16"
     assert "#12" in body and "#13" in body
     assert re.findall(r"^### REQ-003\.(\d+) —", body, re.M) == [f"{i:02d}" for i in range(1, 12)]
     assert re.findall(r"^## (\d+)\. ", body, re.M) == [str(i) for i in range(1, 12)]