diff --git a/Hardware.md b/Hardware.md
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+# Hardware
+
+## Classification
+
+Hardware / firmware workspace.
+
+## Structure Signals
+
+- `ESP32-C5-J4CK3D` (61 files)
+- `build` (3 files)
+- `(root)` (2 files)
+- `.vscode` (1 files)
+
+## File Type Signals
+
+- `(none)` (15)
+- `.c` (7)
+- `.in` (6)
+- `.h` (5)
+- `.json` (4)
+- `.txt` (4)
+- `.ds_store` (3)
+- `.md` (2)
+- `.bin` (2)
+- `.gitignore` (1)
+- `.bin_timestamp` (1)
+- `.bin_timestamp 2` (1)
+
+## Build And Dependency Signals
+
+| Signal | Detail |
+|---|---|
+| CMakeLists.txt | CMake/ESP-IDF style build metadata is present. |
+| README files | ESP32-C5-J4CK3D/README.md, README.md |
+
+## Project Tree Snapshot
+
+- .DS_Store
+- ._README.md
+- .vscode/settings.json
+- ESP32-C5-J4CK3D/.DS_Store
+- ESP32-C5-J4CK3D/.git/.DS_Store
+- ESP32-C5-J4CK3D/.git/HEAD
+- ESP32-C5-J4CK3D/.git/config
+- ESP32-C5-J4CK3D/.git/description
+- ESP32-C5-J4CK3D/.git/index
+- ESP32-C5-J4CK3D/.git/packed-refs
+- ESP32-C5-J4CK3D/.gitignore
+- ESP32-C5-J4CK3D/CMakeLists.txt
+- ESP32-C5-J4CK3D/LICENSE
+- ESP32-C5-J4CK3D/README.md
+- ESP32-C5-J4CK3D/build/.bin_timestamp
+- ESP32-C5-J4CK3D/build/.bin_timestamp 2
+- ESP32-C5-J4CK3D/build/.ninja_deps
+- ESP32-C5-J4CK3D/build/.ninja_log
+- ESP32-C5-J4CK3D/build/CMakeCache.txt
+- ESP32-C5-J4CK3D/build/app-flash_args
+- ESP32-C5-J4CK3D/build/app-flash_args.in
+- ESP32-C5-J4CK3D/build/bootloader-flash_args
+- ESP32-C5-J4CK3D/build/build.ninja
+- ESP32-C5-J4CK3D/build/cmake_install.cmake
+- ESP32-C5-J4CK3D/build/compile_commands.json
+- ESP32-C5-J4CK3D/build/component_manager_run_counter.61393
+- ESP32-C5-J4CK3D/build/config.env
+- ESP32-C5-J4CK3D/build/flash_app_args
+- ESP32-C5-J4CK3D/build/flash_args
+- ESP32-C5-J4CK3D/build/flash_args.in
+- ESP32-C5-J4CK3D/build/flash_bootloader_args
+- ESP32-C5-J4CK3D/build/flash_project_args
+- ESP32-C5-J4CK3D/build/flasher_args.json
+- ESP32-C5-J4CK3D/build/flasher_args.json.in
+- ESP32-C5-J4CK3D/build/kconfigs.in
+- ESP32-C5-J4CK3D/build/kconfigs_projbuild.in
+- ... 31 more project files not shown
+
+## Interpretation
+
+Treat this repo as hardware-affecting until proven otherwise. Add exact board revision, wiring, flashing command, and recovery procedure before release.