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fac141e3fd
- Route constrained env (PHY init, efuse reads) through the early boot path which uses vsnprintf + esp_rom_printf. This avoids both the fwrite lock crash on USB JTAG devices and pulling in esp_rom_vprintf (1.2KB IRAM). - Call esp_log_vprint_func directly on the normal path instead of going through the esp_log_vprintf inline (which would reference esp_rom_vprintf for the constrained env dispatch). - Remove IRAM_ATTR from esp_log_format_early_ since it's only called when flash is accessible (early boot and constrained env with cache enabled like PHY init and efuse reads).
