fix(init,config_flow): F4 — seed blocks and the import prefill honor the block's shape: ADB only when the block carries an adb host, protocol-only blocks keep adb_enabled off; TestSeedBlockShapeF4 pins all three paths (t32)

custom_components/nvidia_shield/config_flow.py

@@ -519,10 +519,12 @@ class NvidiaShieldConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
         await self.async_set_unique_id(seed_unique_id)
         self._abort_if_unique_id_configured()
 
-        # route into the standard user flow (single interactive visit)
+        # route into the standard user flow (single interactive visit);
+        # t32 F4: the prefill honors the block shape — ADB only when the
+        # block actually carries an adb host.
         self._user_data = {
             "name": name,
-            CONF_ADB_ENABLED: True,
+            CONF_ADB_ENABLED: bool(block.get(CONF_ADB_HOST)),
             CONF_ADB_HOST: block.get(CONF_ADB_HOST, ""),
             CONF_ADB_PORT: block.get(CONF_ADB_PORT, DEFAULT_ADB_PORT),
             # protocol prefill hints ONLY (pairing stays interactive)