[store_yaml] Scan tree scalars for leaks, guard key swaps, boot race, OOM check

script/analyze_component_buses.py

@@ -94,6 +94,7 @@ ISOLATED_COMPONENTS = {
     "modbus_controller": "Defines multiple modbus buses for testing client/server functionality - conflicts with package modbus bus",
     "neopixelbus": "RMT type conflict with ESP32 Arduino/ESP-IDF headers (enum vs struct rmt_channel_t)",
     "packages": "cannot merge packages",
+    "store_yaml": "Embeds the whole merged config in firmware; grouping would make the blob and its secret redaction depend on every grouped component's test config",
     "tinyusb": "Conflicts with usb_host component - cannot be used together",
     "usb_cdc_acm": "Depends on tinyusb which conflicts with usb_host",
 }