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J. Nick Koston
51c5500809
Read the resolved partition-table file in upload_program before opening a network connection. Reject anything that isn't 0xC00 bytes, doesn't start with ESP_PARTITION_MAGIC, or is missing the MD5 checksum entry, so mistakes (wrong file, swapped --file path) surface as a local error instead of a post-handshake OTA_RESPONSE_ERROR_PARTITION_TABLE_VERIFY. Includes unit tests covering size, magic, md5-presence, missing-file, and end-to-end upload_program rejection, plus three real partition tables checked in as fixtures (ESPHome build, ESP-IDF Hello-world, esphome_dashboard prebuilt).
