Use dsh-fail-logger to automatically record the failure causes of tools in DeepSeek Harness

`dsh-fail-logger` is a DeepSeek Harness development and runtime plugin maintained by Areium (MIT License, current version 0.5.1). It listens to sessions and events, deduplicates and counts failures where `isError` is true in native tool calls, PTC run_code, and embedded tool calls, then writes the results to the machine maintenance section of the `fail-log-guide` skill. The directory page installation command is `dsh plugin add github:Areium/dsh-fail-logger`, and you can also pin version 0.5.1 from npm via profile. The plugin runs with the permissions of the current dsh process, does not register new tools, nor does it perform LLM summarization or automatic repairs.