M3: dual backend (probe-rs + OpenOCD) + AI crash diagnosis (0.3.0) - #4

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feat/m3-dual-backend

Jul 16, 2026

Commits on Jul 15, 2026

feat(backend): dual-engine DebugBackend (probe-rs + OpenOCD RSP) + diagnose_fault

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Commits on Jul 16, 2026

docs: document dual backend (probe-rs/OpenOCD) and diagnose_fault

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feat(diagnostics): unwind_exception — crash backtrace to source line

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test(openocd): mock GDB-RSP server integration test for the OpenOCD backend

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test(openocd): add openocd_smoke example for real-hardware validation

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docs: openocd needs gdb_memory_map disable; note Xtensa register limit

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docs(skill): make SKILL a fetch-orchestration guide (self-fetch + versions)

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feat(openocd): read core registers by name via monitor reg (arch-agnostic)

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fix(openocd): decode qRcmd result packet so core_reg works on real hardware

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docs(example): openocd_smoke reads registers by name (correct on Xtensa)

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release: 0.3.0 — dual backend + AI crash diagnosis

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docs: front-door metadata for 0.3.0 (dual backend, Xtensa/ESP32, crash diagnosis)

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docs: add OpenOCD requirement and Crash Diagnosis usage (en/zh)

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