J. Nick Koston 3a7a552f0d [esp32] Add crash handler to capture and report backtrace across reboots
When an ESP32 crashes, the backtrace is printed to UART and lost.
Users without a serial cable never see this diagnostic information.

This adds a crash handler that:
- Intercepts esp_panic_handler() via --wrap linker flag
- Captures the faulting PC and backtrace into .noinit memory
- Supports both Xtensa (ESP32/S2/S3) and RISC-V (C3/C6/H2/C2)
- Logs crash data at boot via ESP_LOGE (serial output)
- Re-logs when HA subscribes to logs (visible in HA log viewer)
- Adds CLI stacktrace decoding for the new log format
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S
Description
ESPHome is a system to control your ESP8266/ESP32 by simple yet powerful configuration files and control them remotely through Home Automation systems.
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