Detailed wiki content repair: Hardware

Hardware.md

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+# Hardware
+
+## Classification
+
+Hardware / firmware workspace.
+
+## Structure Signals
+
+- `.vscode` (3 files)
+- `master` (3 files)
+- `data` (2 files)
+- `(root)` (1 files)
+- `slave` (1 files)
+
+## File Type Signals
+
+- `.json` (3)
+- `.html` (2)
+- `.ino` (2)
+- `.gitignore` (1)
+- `.h` (1)
+- `.md` (1)
+
+## Build And Dependency Signals
+
+| Signal | Detail |
+|---|---|
+| Arduino sketches | master/master.ino, slave/slave.ino |
+| README files | README.md |
+
+## Project Tree Snapshot
+
+- .gitignore
+- .vscode/c_cpp_properties.json
+- .vscode/launch.json
+- .vscode/settings.json
+- data/evil_portal.html
+- data/web_ui/index.html
+- master/Evil-BW16/BW16_defs.h
+- master/filesystem_setup.md
+- master/master.ino
+- slave/slave.ino
+
+## Interpretation
+
+Treat this repo as hardware-affecting until proven otherwise. Add exact board revision, wiring, flashing command, and recovery procedure before release.