Detailed wiki content repair: Hardware

Hardware.md

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+# Hardware
+
+## Classification
+
+Hardware / firmware workspace.
+
+## Structure Signals
+
+- `build` (6 files)
+- `(root)` (5 files)
+- `main` (4 files)
+- `.vscode` (3 files)
+- `components` (3 files)
+- `.cache` (1 files)
+- `.cursor` (1 files)
+
+## File Type Signals
+
+- `.txt` (4)
+- `.json` (3)
+- `.gitignore` (2)
+- `(none)` (2)
+- `.c` (2)
+- `.idx` (1)
+- `.mdc` (1)
+- `.yaml` (1)
+- `.log` (1)
+- `.check_cache` (1)
+- `.h` (1)
+- `.projbuild` (1)
+
+## Build And Dependency Signals
+
+| Signal | Detail |
+|---|---|
+| CMakeLists.txt | CMake/ESP-IDF style build metadata is present. |
+| README files | README.md, readme_ai.md |
+
+## Project Tree Snapshot
+
+- ._.gitignore
+- .cache/clangd/index/main.c.40ECD50192E77BED.idx
+- .cursor/rules/byterover-rules.mdc
+- .gitignore
+- .vscode/c_cpp_properties.json
+- .vscode/extensions.json
+- .vscode/launch.json
+- CMakeLists.txt
+- build/CMakeCache.txt
+- build/CMakeFiles/CMakeConfigureLog.yaml
+- build/CMakeFiles/CMakeOutput.log
+- build/CMakeFiles/cmake.check_cache
+- build/log/idf_py_stderr_output_23324
+- build/log/idf_py_stdout_output_23324
+- components/cjson/CMakeLists.txt
+- components/cjson/cJSON.c
+- components/cjson/cJSON.h
+- main/CMakeLists.txt
+- main/Kconfig.projbuild
+- main/idf_component.yml
+- main/main.c
+- readme_ai.md
+- sdkconfig.defaults
+
+## Interpretation
+
+Treat this repo as hardware-affecting until proven otherwise. Add exact board revision, wiring, flashing command, and recovery procedure before release.