feat(eink): improve logging for debugging display failures#202
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Add step-by-step init logging with actionable hints in the driver, structured fields and config details in the task loop, and consecutive error tracking in the forwarder draw closure. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Summary
Adds detailed, structured logging throughout the e-ink display stack to make it easier to diagnose hardware initialization and refresh failures on the SBC.
info!/debug!logging during init (SPI, GPIO, EPD) withwarn!and actionable hints at each failure point (e.g., "is SPI enabled?", "check wiring")