feat(factory): add local flashing toolkit and secure OTA defaults

tools/esptool-factory/factory_gui/models.py

@@ -0,0 +1,53 @@
+from __future__ import annotations
+
+from dataclasses import dataclass
+from pathlib import Path
+from typing import Optional, Tuple
+
+
+@dataclass(frozen=True)
+class DeviceCheckConfig:
+    crypt_cnt_fields: Tuple[str, ...]
+    secure_boot_field: str
+    secure_boot_expected: Optional[bool]
+    crypt_cnt_expect: Optional[str]
+    flash_key_purpose_match: Optional[str]
+    secure_boot_key_purpose_match: Optional[str]
+    key_read_disable_field: str
+
+
+@dataclass(frozen=True)
+class FlashPrivateConfig:
+    chip: str
+    baud: str
+    bin_dir: Path
+    layout: list[Tuple[str, str]]
+    app_bin_name: str
+    app_partition_offset: str
+    flash_args: dict
+    device_check: DeviceCheckConfig
+    ui: dict
+
+
+@dataclass(frozen=True)
+class FlashSource:
+    offset: int
+    path: Path
+    name: str
+
+
+@dataclass
+class FlashEntryReport:
+    name: str
+    offset: int
+    size: int
+    sha256: str
+    readback_sha256: Optional[str]
+    verified: Optional[bool]
+
+
+@dataclass
+class FlashReport:
+    entries: list[FlashEntryReport]
+    readback_ok: bool
+    readback_errors: list[str]