feat: add gear provenance models and browser fetcher

tests/test_community_cli.py

@@ -56,6 +56,22 @@ def test_failed_fetch_still_reserves_site_cooldown(tmp_path: Path, monkeypatch:
     assert "rf4db.com" in json.loads(state_file.read_text(encoding="utf-8"))
 
 
+def test_reserve_only_does_not_make_http_request(
+    tmp_path: Path, monkeypatch: pytest.MonkeyPatch, capsys: pytest.CaptureFixture[str],
+) -> None:
+    state_file = tmp_path / "fetch-state.json"
+
+    def fail(_url: str) -> str:
+        raise AssertionError("reserve-only must stop before HTTP")
+
+    monkeypatch.setattr(community_cli, "fetch_html", fail)
+    assert community_cli.main([
+        "rf4db-waterbodies", "--state-file", str(state_file), "--reserve-only",
+    ]) == 0
+    payload = json.loads(capsys.readouterr().out)
+    assert payload == {"reserved": True, "source": "rf4db-waterbodies", "site_key": "rf4db.com"}
+
+
 def test_detail_fetch_serializes_single_record(
     tmp_path: Path, monkeypatch: pytest.MonkeyPatch, capsys: pytest.CaptureFixture[str],
 ) -> None: