diff --git a/scripts/sold-staging-seed-squad.py b/scripts/sold-staging-seed-squad.py
index 1afe8e5..0e4cae4 100755
--- a/scripts/sold-staging-seed-squad.py
+++ b/scripts/sold-staging-seed-squad.py
@@ -35,6 +35,12 @@ STARTERS = 11
 # GK, RB, CB, CB, LB, CM, CM, CM, RW, ST, LW.
 LINEUP = ["GK", "RB", "CB", "CB", "LB", "CM", "CM", "CM", "RW", "ST", "LW"]
 FORMATION = "f433"
+SQUAD_TYPE = "REGULAR_SQUAD"
+CHEMISTRY = 50
+# Production's opaque 33-int tactics array. Never parsed server-side; reused because
+# only the shape (a JSON-encoded int array, not null) matters to the client.
+CUSTOM = ("[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"
+          "50,50,0,50,40,65,0,65,50,50,1]")
 
 
 def call(method, path, body=None):
@@ -90,14 +96,35 @@ def build_put(chosen):
             "kitNumber": idx + 1 if occupant else 0,
         })
     captain = next((int(p["id"]) for p in chosen if p), 0)
+    ratings = [int(p.get("rating") or 0) for p in chosen if p]
+    mean_rating = sum(ratings) // len(ratings) if ratings else 0
     return {
         "id": 0,
         "squadName": "Staging XI",
         "formation": FORMATION,
         "captain": captain,
         "players": players,
+        # A first attempt sent only name/formation/captain/players and the client
+        # STILL refused the hub, while the host logged squad-active 200 ok -- the
+        # route was fine and the body was not. Diffing against production's
+        # known-good squad showed staging returning null for exactly these five,
+        # because the PUT never carried them and the extension stored nothing.
+        # Types matter here: the client wants scalars, not null.
+        "squadType": SQUAD_TYPE,
+        "chemistry": CHEMISTRY,
+        "rating": mean_rating,
+        "starRating": mean_rating,
+        # Opaque 33-int tactics array, carried verbatim and never interpreted
+        # server-side. Reused from production because only its SHAPE matters.
+        "custom": CUSTOM,
+        # Production carries five, all pointing at one player. Mirrored so the
+        # array is populated rather than empty.
+        "kicktakers": [{"index": i, "id": captain, "dream": False} for i in range(5)],
+        # Left empty deliberately: production references an owned staff instance
+        # (100000427) and the staging club holds 11 players and zero staff, so
+        # there is no manager to point at. Inventing an id would reference a
+        # non-existent item. This is the one remaining shape difference.
         "manager": [],
-        "kicktakers": [],
     }