p3p implementation

backend/graph.py

@@ -73,16 +73,25 @@ def _same_test_points_for_overlap(
 
 def _build_station_testpoint_map(config: dict[str, dict[str, str | None]]) -> dict[str, str]:
 	station_to_testpoint: dict[str, str] = {}
-	for band in ("5G", "6G", "2G"):
-		entry = config.get(band) or {}
+
+	def _add_entry(entry: dict[str, str | None]) -> None:
 		testpoint = _norm(entry.get("test_point") or entry.get("Testpoint"))
 		sta_raw = _norm(entry.get("sta") or entry.get("STA"))
 		if not testpoint or not sta_raw:
-			continue
+			return
 		for sta in sta_raw.split(","):
 			sta_clean = _norm(sta)
 			if sta_clean:
 				station_to_testpoint[sta_clean] = testpoint
+
+	for band in ("5G", "6G", "2G"):
+		entry = config.get(band) or {}
+		_add_entry(entry)
+
+	for station_key in ("Station 1", "Station 2", "Station 3"):
+		entry = config.get(station_key) or {}
+		_add_entry(entry)
+
 	return station_to_testpoint