hldp(zhuyuan): integrate fifth-domain world tree and TCS brain

server-tools/light-arrival-navigation/route_recall.py

@@ -15,9 +15,19 @@ def recall(query, map_path=DEFAULT_MAP):
     terms = [part for part in needle.replace("/", " ").split() if part]
     matches = []
     for item in data["contributions"]:
-        identifiers = [item["id"], item["arrival_id"], *item.get("project_ids", [])]
-        keywords = item.get("keywords", [])
-        haystack = " ".join([*identifiers, item["arrival_name"], item["title"], *keywords]).casefold()
+        identifiers = [
+            value
+            for value in [item.get("id"), item.get("arrival_id"), *item.get("project_ids", [])]
+            if isinstance(value, str) and value
+        ]
+        keywords = [value for value in item.get("keywords", []) if isinstance(value, str) and value]
+        searchable = [
+            *identifiers,
+            item.get("arrival_name"),
+            item.get("title"),
+            *keywords,
+        ]
+        haystack = " ".join(value for value in searchable if isinstance(value, str) and value).casefold()
         score = 0
         reasons = []
         for identifier in identifiers: