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/__init__.py

@@ -83,9 +83,12 @@ def _yaml_seed_blocks(domain_config) -> list[dict]:
         if not isinstance(block, dict):
             continue
         name = block.get("name") or DEFAULT_NAME
+        # t32 F4 (review rider): the seed honors the block's shape — a
+        # protocol-only block does NOT force ADB on; ADB comes only when the
+        # block carries an adb host (interactive cosmetics stay in the flow).
         seed = {
             "name": name,
-            CONF_ADB_ENABLED: True,
+            CONF_ADB_ENABLED: bool(block.get(CONF_ADB_HOST)),
             CONF_ADB_HOST: str(block.get(CONF_ADB_HOST) or ""),
             CONF_ADB_PORT: int(block.get(CONF_ADB_PORT) or DEFAULT_ADB_PORT),
             # protocol fields are prefill hints ONLY — pairing stays interactive