Detailed wiki content repair: Hardware

Hardware.md

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+# Hardware
+
+## Classification
+
+Hardware / firmware workspace.
+
+## Structure Signals
+
+- `s3NFC` (21 files)
+- `(root)` (1 files)
+
+## File Type Signals
+
+- `(none)` (7)
+- `.json` (4)
+- `.gitignore` (2)
+- `.cpp` (2)
+- `.swp` (1)
+- `._index` (1)
+- `.md` (1)
+- `.js` (1)
+- `.html` (1)
+- `.css` (1)
+- `.ini` (1)
+
+## Build And Dependency Signals
+
+| Signal | Detail |
+|---|---|
+| platformio.ini | envs=esp32-s3-devkitc-1; boards=esp32-s3-devkitc-1; frameworks=arduino |
+| README files | README.md, s3NFC/README.md |
+
+## Project Tree Snapshot
+
+- .gitignore
+- s3NFC/.git/.MERGE_MSG.swp
+- s3NFC/.git/._index
+- s3NFC/.git/COMMIT_EDITMSG
+- s3NFC/.git/FETCH_HEAD
+- s3NFC/.git/HEAD
+- s3NFC/.git/ORIG_HEAD
+- s3NFC/.git/config
+- s3NFC/.git/description
+- s3NFC/.git/index
+- s3NFC/.gitignore
+- s3NFC/.vscode/c_cpp_properties.json
+- s3NFC/.vscode/extensions.json
+- s3NFC/.vscode/launch.json
+- s3NFC/.vscode/settings.json
+- s3NFC/README.md
+- s3NFC/data/app.js
+- s3NFC/data/index.html
+- s3NFC/data/style.css
+- s3NFC/platformio.ini
+- s3NFC/src/display_test.cpp
+- s3NFC/src/main.cpp
+
+## Interpretation
+
+Treat this repo as hardware-affecting until proven otherwise. Add exact board revision, wiring, flashing command, and recovery procedure before release.