fix: name the file existence mode finds

verify_entry_existence returned no path, so RetroArch, Lakka and
RetroPie pages showed no Served by line. It now returns the resolved
path as the hash modes do. verify.py --all prints the same bytes and
its JSON is unchanged.

scripts/generate_site.py

@@ -2380,7 +2380,7 @@ def _served_line(f: dict) -> str:
     if f.get("status") == "missing":
         return "Not held"
     if not path:
-        # verify reports no path in existence mode: nothing to name.
+        # A slot the pack fills from a release asset or leaves to the user.
         return ""
     sha1 = _collection_sha1_by_path().get(path, "")
     label = "Served by" if f.get("status") == "ok" else "Held, not the declared hash"

scripts/verify.py

@@ -189,12 +189,13 @@ def verify_entry_existence(
     resolve_status: str = "",
     platform_display: str = "",
 ) -> dict:
-    """RetroArch verification: path_is_valid(), a file that exists is OK."""
+    """RetroArch verification: path_is_valid(), a file that exists is OK.
+    The result names the collection file found, as the hash modes do."""
     name = file_entry.get("name", "")
     required = file_entry.get("required", True)
     if not local_path:
         return {"name": name, "status": Status.MISSING, "required": required}
-    result = {"name": name, "status": Status.OK, "required": required}
+    result = {"name": name, "status": Status.OK, "required": required, "path": local_path}
     if resolve_status == "hash_mismatch":
         # The frontend reads no bytes, so the file stays, and the declared hash
         # it contradicts is reported, as the pack does.