KeiSeiKit-1.0/docs/USB-BRAIN-GUIDE-windows.md
Parfii-bot 0be354a920 KeiSeiKit-public — clean state
Single-commit clean baseline after security scrub of niche-tells,
project codenames, internal jargon, and contributor-email leaks.

Contents:
- 100 Rust crates (_primitives/_rust/)
- 37 agent manifests (_manifests/) + generated specs (_generated/)
- 67 user-invocable skills (skills/)
- 33 hooks (hooks/)
- Composition blocks (_blocks/)
- Documentation (docs/, README.md)
- TS adapter packages (_ts_packages/)
- Assembler (_assembler/)
- Roles (_roles/)
- Templates (_templates/)
- Forgejo CI (.forgejo/)

Author: Denis Parfionovich <info@greendragon.info>

License: see LICENSE.
2026-05-01 12:09:03 +08:00

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Markdown

# USB Exobrain — Windows Walkthrough
> Platform-specific companion to `USB-BRAIN-GUIDE.md`. Read the top-level guide first for prerequisites, warnings, and invariants.
Windows support is best-effort in v0.22 — `keisei` itself builds cleanly on Windows, but the filesystem-type advisory (`fs_type.rs`) returns `Unknown` pending a `GetVolumeInformationW` implementation. Meaning: the exFAT/FAT32 warning does NOT fire on Windows yet. Format your USB as NTFS manually for multi-client safety.
Shell snippets use PowerShell 7+.
## 1. Create the brain directory
Plug in the USB; Explorer will show a drive letter (e.g. `E:`).
```powershell
$BRAIN = "E:\my-brain"
New-Item -ItemType Directory -Path $BRAIN,"$BRAIN\bin","$BRAIN\memory","$BRAIN\artifacts","$BRAIN\manifests" -Force
```
## 2. Download MCP server binaries
```powershell
$BASE = "https://github.com/KeiSei84/KeiSeiKit/releases/download/v0.21.0"
Push-Location "$BRAIN\bin"
$names = @(
"darwin-arm64", "darwin-x64",
"linux-x64", "linux-arm64",
"windows-x64.exe"
)
foreach ($n in $names) {
Invoke-WebRequest -Uri "$BASE/kei-mcp-server-$n" -OutFile "kei-mcp-server-$n" -ErrorAction SilentlyContinue
Invoke-WebRequest -Uri "$BASE/kei-mcp-server-$n.sha256" -OutFile "kei-mcp-server-$n.sha256" -ErrorAction SilentlyContinue
}
Get-ChildItem kei-mcp-server-*.sha256 | ForEach-Object {
$expected = (Get-Content $_).Split(' ')[0]
$target = $_.Name -replace '\.sha256$',''
$actual = (Get-FileHash $target -Algorithm SHA256).Hash.ToLower()
if ($actual -ne $expected) { Write-Error "FAIL: $target" }
}
Pop-Location
```
No `chmod +x` on Windows — `.exe` is executable by extension. No `xattr` concept (Windows does not use HFS-style quarantine).
## 3. Write `manifest.toml` (schema v2)
```powershell
@"
[brain]
schema_version = 2
name = "my-brain"
created = "2026-04-22T00:00:00Z"
[paths]
memory = "memory/"
artifacts = "artifacts/"
manifests = "manifests/"
[paths.mcp_server]
darwin-arm64 = "bin/kei-mcp-server-darwin-arm64"
darwin-x64 = "bin/kei-mcp-server-darwin-x64"
linux-x64 = "bin/kei-mcp-server-linux-x64"
linux-arm64 = "bin/kei-mcp-server-linux-arm64"
windows-x64 = "bin/kei-mcp-server-windows-x64.exe"
"@ | Set-Content -Path "$BRAIN\manifest.toml" -Encoding utf8NoBOM
```
Note the `utf8NoBOM` encoding — the toml parser does not handle a UTF-8 BOM gracefully.
## 4. Verify + attach
```powershell
keisei list-adapters
keisei status # "no brain attached"
keisei attach "$BRAIN" --scope=user
```
Marker lands at `%USERPROFILE%\.keisei\attached.toml`. Claude Code settings at `%USERPROFILE%\.claude\settings.json`.
## 5. Verify in Claude Code
```powershell
Get-Content "$HOME\.claude\settings.json" | ConvertFrom-Json | Select-Object -ExpandProperty mcpServers
```
## 6. Multi-client mount
```powershell
keisei mount $BRAIN
```
## 7. Project-scope
```powershell
cd C:\path\to\your-repo
keisei attach $BRAIN --scope=project # claude-code + cursor only
```
## 8. Detach + eject
```powershell
keisei detach
# Eject via PowerShell:
$vol = Get-Volume -DriveLetter E
$vol | Dismount-Volume -Force
```
Or use the system tray "Safely Remove Hardware" icon — either path flushes pending writes before the device is physically removed.
## Windows-specific troubleshooting
- **FS advisory not firing** — v0.22 Windows build returns `Unknown` from `detect_fs_warning`. Format the stick as NTFS manually; exFAT is unsafe for `keisei mount`. A future release will wire `GetVolumeInformationW`.
- **Long-path failures** — the brain root plus any nested manifest path must fit inside Windows' MAX_PATH (260 chars) unless you've opted into long paths via `HKLM:\SYSTEM\CurrentControlSet\Control\FileSystem\LongPathsEnabled = 1`. Keep `$BRAIN` short.
- **Drive letter reassignment** — Windows may hand out a different letter next plug-in. The marker stores an absolute path, so a letter change breaks resolution. Re-attach after the new letter appears.
- **Execution policy** — PowerShell will refuse to run helper scripts under default `Restricted` policy. `Set-ExecutionPolicy -Scope CurrentUser -ExecutionPolicy RemoteSigned` as a one-time fix.