kvenanzi
eb70456755
Adds a Windows port of the host daemon so the Clawdmeter stays connected on Windows independent of WSL. Mirrors the macOS daemon and speaks the existing GATT data service unchanged — no firmware changes. - claude_usage_daemon_windows.py: Windows-local OAuth token read + Anthropic poll + BLE scan/connect/write, with auto-reconnect (connect-retry wrapper, zombie-link break, split fast/slow backoff) - tray_windows.py: pystray login-startup tray app (status icon + Quit) - autostart_windows.py: winreg HKCU\Run autostart via pythonw.exe - icon_assets.py: per-state tray icons composited from logo.h - install-windows.ps1 + daemon/README-windows.md: turnkey setup - pytest suite: token / poll / reconnect / tray / autostart / no-WSL guard
224 lines
9.3 KiB
Markdown
224 lines
9.3 KiB
Markdown
# Windows Setup and Run Guide
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This guide covers running the Clawdmeter Windows daemon on native Windows hardware.
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It includes the turnkey `install-windows.ps1` bootstrap (tray icon + login autostart),
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the manual-run fallback, and how to manage or remove autostart.
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---
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## Prerequisites
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| Requirement | Details |
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|-------------|---------|
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| **Native Windows** | Must run on real Windows — not WSL. The script prints a warning and BLE will not work under WSL. |
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| **Python 3.11+** | Download from [python.org](https://www.python.org/downloads/) if not already installed. Ensure "Add python.exe to PATH" is checked during install. |
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| **Claude Code installed** | Install Claude Code and complete `claude login` so credentials exist on disk. |
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| **Clawdmeter powered on** | The device must be powered on and in range before the daemon starts. |
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| **Paired with Windows Bluetooth** | Pair the device once via **Settings → Bluetooth & devices → Add device** (see [Pair the device](#pair-the-device-one-time)). This is required — the device is a bonded BLE HID keyboard, so pairing enables its physical buttons and keeps a persistent connection that shows your last usage even when the daemon is stopped. |
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### Where are my credentials?
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`claude login` writes the OAuth token to (first match wins):
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1. `%USERPROFILE%\.claude\.credentials.json` — primary path (confirmed by Claude Code docs)
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2. `%LOCALAPPDATA%\Claude\.credentials.json` — fallback
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3. `%APPDATA%\Claude\.credentials.json` — fallback
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The daemon probes these paths in order. You can also set `CLAUDE_CREDENTIALS_PATH` to an
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absolute path or `CLAUDE_CONFIG_DIR` to a directory to override the search entirely.
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> **Security note:** The credentials file contains your OAuth token. Never share its contents
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> or embed it in scripts. The daemon reads it from disk and uses it only as the API
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> `Authorization` header — the token is never written to any log, tooltip, or notification.
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---
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## Pair the device (one time)
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The Clawdmeter is a **bonded BLE HID keyboard** as well as a usage display — its firmware
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enables bonding (`NimBLEDevice::setSecurityAuth`) and advertises the HID service so its
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physical buttons act as a keyboard (Space / Shift+Tab). Pair it with Windows **once**,
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before running the daemon:
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1. Put the device on its Bluetooth waiting screen (powered on, not yet connected).
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2. Open **Settings → Bluetooth & devices → Add device → Bluetooth**.
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3. Select **Claude Controller** and complete pairing.
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**Why this is required:**
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- **Keyboard buttons** — HID over BLE requires bonding on Windows. Without pairing, the
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device's buttons won't reach the PC.
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- **Persistent point-in-time view** — once paired, Windows maintains the BLE link and
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auto-reconnects the device whenever it is in range. This is intentional: the device keeps
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showing your **last-synced** usage even after you Quit the daemon, as a glanceable
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point-in-time view. Quitting the daemon releases only its data connection — it does **not**
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drop the Windows pairing, so the device stays connected to Windows.
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To undo, use **Settings → Bluetooth & devices → (device) → Remove device**. Removing the
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pairing disables the keyboard buttons.
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---
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## Setup (one time)
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Open a PowerShell terminal and `cd` to the repository root.
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**1. Create a virtual environment**
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```powershell
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python -m venv .venv
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```
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**2. Activate it**
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```powershell
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.venv\Scripts\Activate.ps1
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```
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If you see a scripts-execution-policy error, run:
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```powershell
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Set-ExecutionPolicy -Scope CurrentUser -ExecutionPolicy RemoteSigned
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```
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Then repeat the `Activate.ps1` step.
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**3. Install dependencies**
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```powershell
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pip install -r daemon\requirements-windows.txt
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```
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This installs `bleak` (WinRT BLE) and `httpx` (async HTTP for the Anthropic API).
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---
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## Running the daemon
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With the venv active and the Clawdmeter powered on:
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```powershell
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python daemon\claude_usage_daemon_windows.py
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```
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### Expected console output
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```
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[HH:MM:SS] === Claude Usage Tracker Daemon (BLE, Windows) ===
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[HH:MM:SS] Poll interval: 60s
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[HH:MM:SS] Scanning for 'Claude Controller' (8.0s)...
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[HH:MM:SS] Found: XX:XX:XX:XX:XX:XX
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[HH:MM:SS] Connecting to XX:XX:XX:XX:XX:XX...
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[HH:MM:SS] Connected
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[HH:MM:SS] Sending: {"s":42,"sr":180,"w":17,"wr":8820,"st":"active","ok":true}
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```
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- **The device must be paired with Windows first** (see [Pair the device](#pair-the-device-one-time)).
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The daemon then connects over that existing link via `BleakScanner` + `BleakClient`; it does
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not pop its own pairing dialog.
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- After `Connected`, the daemon polls the Anthropic API immediately and sends the first
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payload within a few seconds of connect (warm token path). With a valid, non-expired token
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the device should leave its waiting screen and show session + weekly percentages within
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about 10 seconds of launch.
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- The daemon then re-polls every 60 seconds while connected. If the device fires a refresh
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request (e.g., after a button press), an immediate re-poll occurs without waiting for the
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60-second interval.
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- If the device disconnects or goes out of range, the daemon logs `Device disconnected` and
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re-scans automatically with exponential backoff (starting at 1 second, capped at 60 seconds).
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### Stopping
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Press **Ctrl+C** in the terminal. The daemon logs `Daemon stopping` and exits cleanly.
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---
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## Troubleshooting
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| Symptom | Likely cause | Fix |
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|---------|-------------|-----|
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| `Warning: running under Linux/WSL` | Running in WSL, not native Windows | Run from a native PowerShell or Command Prompt on Windows |
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| `Scanning for 'Claude Controller'… Device not found` | Clawdmeter is off, out of range, or showing a non-Bluetooth screen | Power on the device and ensure it is on the Bluetooth waiting screen |
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| `No token; skipping poll` | No credentials file found at any candidate path | Confirm `claude login` ran on this machine; check `%USERPROFILE%\.claude\.credentials.json` exists |
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| `API HTTP 401` | Token expired | Re-run `claude login` in a terminal to refresh the token, then restart the daemon |
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| `Connection failed` | WinRT BLE initialisation issue | Ensure Windows Bluetooth is on; try toggling Bluetooth off/on in Windows Settings |
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---
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## Tray icon, login autostart, and turnkey install
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### One-command install (recommended)
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> **Copy the repo to a native Windows path first.** Clone or copy this repository
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> to a Windows location such as `%USERPROFILE%\Clawdmeter` — **not** a WSL share
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> (`\\wsl$\...` or `\\wsl.localhost\...`). Installing from the WSL share would point
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> the virtual environment and the login-autostart entry at a path that disappears when
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> WSL shuts down, defeating the whole point of the Windows daemon. The installer
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> detects a WSL path and refuses to run, telling you how to relocate.
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>
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> ```powershell
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> Copy-Item -Recurse '\\wsl.localhost\Ubuntu\home\<you>\repos\Clawdmeter' "$env:USERPROFILE\Clawdmeter"
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> cd "$env:USERPROFILE\Clawdmeter"
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> ```
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Run this once from the repository root in PowerShell (a native Windows path):
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```powershell
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powershell -ExecutionPolicy Bypass -File install-windows.ps1
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```
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The script does four things in order and logs progress at each step:
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1. Creates a Python virtual environment at `.venv`.
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2. Installs dependencies from `daemon\requirements-windows.txt` (bleak, httpx, pystray, Pillow).
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3. Registers the tray app to launch automatically at login via `HKCU\Software\Microsoft\Windows\CurrentVersion\Run` — per-user, no admin required.
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4. Launches the tray app immediately (headless — no console window).
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The script downloads nothing from the internet. It only installs the packages listed in
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the in-repo `daemon\requirements-windows.txt`.
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### Tray icon and status
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After install, the Clawdmeter icon appears in the Windows notification area:
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| State | Icon bubble | Tooltip |
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|-------|-------------|---------|
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| Connected | green | `Connected · last update HH:MM` |
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| Scanning | amber | `Scanning…` |
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| Error | red | `Error: token expired — run claude login` |
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Hover over the icon to see the current status tooltip. A notification fires once when the
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daemon first enters the Error state (e.g. after a token expiry).
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### Tray menu
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Right-click the tray icon for the menu:
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- **Status header** (non-clickable) — live status + last data sync time.
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- **Start at login** (checkable toggle) — enables or disables autostart at runtime.
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Reflects the current registry state each time the menu opens.
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- **Quit** — stops the daemon cleanly and exits with no lingering process. It releases the
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daemon's own data connection but does **not** drop the Windows Bluetooth pairing — the
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device stays connected to Windows and keeps showing your last-synced usage (point-in-time
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view).
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### Disabling or removing autostart
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Use the tray menu toggle, or remove the registry value manually:
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```powershell
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reg delete "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v Clawdmeter /f
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```
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### WSL independence
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The daemon operates fully independently of WSL. The token is read from native Windows
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credential paths (`%USERPROFILE%\.claude\.credentials.json` and fallbacks); BLE uses
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the WinRT stack directly. Running `wsl --shutdown` does not affect the BLE link, and
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the daemon starts correctly even in a fresh Windows session where WSL has never been
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launched.
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---
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## What is NOT covered here
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- PyInstaller / one-file `.exe` packaging — v2
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- MAC-address cache / sleep-wake reconnect hardening — Phase 3
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