5993f32146
1. Filesystem type detection (architect P2 finding)
_primitives/_rust/keisei/src/fs_type.rs (NEW, 103 LOC)
- statfs(2)-based detection on unix (libc = '0.2' under
[target.'cfg(unix)'.dependencies])
- Recognizes exfat / msdos (FAT32) via f_fstypename on macOS,
via f_type magic numbers on Linux (0x4d44, 0x2011bab0)
- Windows stub returns Unknown (GetVolumeInformationW TBD)
- warn_on_unsafe_fs(root) emits stderr warning on ExFat/Fat32
brain.rs::load calls warn_on_unsafe_fs after canonicalize+symlink
checks. Warning NOT fatal — user can opt into single-client use.
2. Battle-test matrix (architect P3 finding)
tests/battle/Dockerfile.install-test-alpine (NEW)
- alpine:3.19 + apk rust/cargo/pandoc
- Exposes musl-vs-glibc issues in aws-sdk-s3, rusqlite, git2
tests/battle/Dockerfile.install-test-debian (NEW)
- debian:12 + rustup stable + pandoc
- Default server distro, different apt structure from Ubuntu
tests/battle/README.md rewritten — 3-distro matrix with run script
3. USB-BRAIN-GUIDE platform split
docs/USB-BRAIN-GUIDE.md — restructured as TOC + platform-agnostic
preamble + exFAT warning + cross-platform troubleshooting
docs/USB-BRAIN-GUIDE-macos.md (NEW, 97 LOC) — Gatekeeper, diskutil,
/Volumes, xattr -d com.apple.quarantine
docs/USB-BRAIN-GUIDE-linux.md (NEW, 98 LOC) — /media/$USER,
umount, ext4 recommended, systemd-udev auto-mount note
docs/USB-BRAIN-GUIDE-windows.md (NEW, 115 LOC) — PowerShell
Dismount-Volume, NTFS, FS-advisory Unknown caveat
REAL VERIFICATION (paste from agent):
cargo check -p keisei: Finished (clean)
cargo test -p keisei --release: 32 passed 0 failed (30 existing + 2 new)
docker buildx outline: both new Dockerfiles parse
Constructor Pattern:
fs_type.rs 103 LOC, brain.rs 198 LOC (at limit 200, held the line)
All fns <30 LOC. Each USB guide sub-doc 97-115 LOC.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
115 lines
4.1 KiB
Markdown
115 lines
4.1 KiB
Markdown
# USB Exobrain — Windows Walkthrough
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> Platform-specific companion to `USB-BRAIN-GUIDE.md`. Read the top-level guide first for prerequisites, warnings, and invariants.
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Windows support is best-effort in v0.22 — `keisei` itself builds cleanly on Windows, but the filesystem-type advisory (`fs_type.rs`) returns `Unknown` pending a `GetVolumeInformationW` implementation. Meaning: the exFAT/FAT32 warning does NOT fire on Windows yet. Format your USB as NTFS manually for multi-client safety.
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Shell snippets use PowerShell 7+.
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## 1. Create the brain directory
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Plug in the USB; Explorer will show a drive letter (e.g. `E:`).
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```powershell
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$BRAIN = "E:\my-brain"
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New-Item -ItemType Directory -Path $BRAIN,"$BRAIN\bin","$BRAIN\memory","$BRAIN\artifacts","$BRAIN\manifests" -Force
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```
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## 2. Download MCP server binaries
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```powershell
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$BASE = "https://github.com/KeiSei84/KeiSeiKit/releases/download/v0.21.0"
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Push-Location "$BRAIN\bin"
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$names = @(
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"darwin-arm64", "darwin-x64",
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"linux-x64", "linux-arm64",
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"windows-x64.exe"
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)
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foreach ($n in $names) {
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Invoke-WebRequest -Uri "$BASE/kei-mcp-server-$n" -OutFile "kei-mcp-server-$n" -ErrorAction SilentlyContinue
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Invoke-WebRequest -Uri "$BASE/kei-mcp-server-$n.sha256" -OutFile "kei-mcp-server-$n.sha256" -ErrorAction SilentlyContinue
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}
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Get-ChildItem kei-mcp-server-*.sha256 | ForEach-Object {
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$expected = (Get-Content $_).Split(' ')[0]
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$target = $_.Name -replace '\.sha256$',''
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$actual = (Get-FileHash $target -Algorithm SHA256).Hash.ToLower()
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if ($actual -ne $expected) { Write-Error "FAIL: $target" }
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}
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Pop-Location
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```
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No `chmod +x` on Windows — `.exe` is executable by extension. No `xattr` concept (Windows does not use HFS-style quarantine).
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## 3. Write `manifest.toml` (schema v2)
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```powershell
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@"
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[brain]
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schema_version = 2
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name = "my-brain"
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created = "2026-04-22T00:00:00Z"
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[paths]
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memory = "memory/"
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artifacts = "artifacts/"
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manifests = "manifests/"
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[paths.mcp_server]
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darwin-arm64 = "bin/kei-mcp-server-darwin-arm64"
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darwin-x64 = "bin/kei-mcp-server-darwin-x64"
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linux-x64 = "bin/kei-mcp-server-linux-x64"
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linux-arm64 = "bin/kei-mcp-server-linux-arm64"
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windows-x64 = "bin/kei-mcp-server-windows-x64.exe"
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"@ | Set-Content -Path "$BRAIN\manifest.toml" -Encoding utf8NoBOM
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```
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Note the `utf8NoBOM` encoding — the toml parser does not handle a UTF-8 BOM gracefully.
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## 4. Verify + attach
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```powershell
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keisei list-adapters
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keisei status # "no brain attached"
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keisei attach "$BRAIN" --scope=user
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```
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Marker lands at `%USERPROFILE%\.keisei\attached.toml`. Claude Code settings at `%USERPROFILE%\.claude\settings.json`.
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## 5. Verify in Claude Code
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```powershell
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Get-Content "$HOME\.claude\settings.json" | ConvertFrom-Json | Select-Object -ExpandProperty mcpServers
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```
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## 6. Multi-client mount
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```powershell
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keisei mount $BRAIN
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```
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## 7. Project-scope
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```powershell
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cd C:\path\to\your-repo
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keisei attach $BRAIN --scope=project # claude-code + cursor only
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```
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## 8. Detach + eject
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```powershell
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keisei detach
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# Eject via PowerShell:
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$vol = Get-Volume -DriveLetter E
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$vol | Dismount-Volume -Force
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```
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Or use the system tray "Safely Remove Hardware" icon — either path flushes pending writes before the device is physically removed.
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## Windows-specific troubleshooting
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- **FS advisory not firing** — v0.22 Windows build returns `Unknown` from `detect_fs_warning`. Format the stick as NTFS manually; exFAT is unsafe for `keisei mount`. A future release will wire `GetVolumeInformationW`.
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- **Long-path failures** — the brain root plus any nested manifest path must fit inside Windows' MAX_PATH (260 chars) unless you've opted into long paths via `HKLM:\SYSTEM\CurrentControlSet\Control\FileSystem\LongPathsEnabled = 1`. Keep `$BRAIN` short.
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- **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.
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- **Execution policy** — PowerShell will refuse to run helper scripts under default `Restricted` policy. `Set-ExecutionPolicy -Scope CurrentUser -ExecutionPolicy RemoteSigned` as a one-time fix.
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