milestone: desktop path Phases 1-5

Phase 1 (Runtime Substrate): 4 check binaries, --probe, POSIX tests
Phase 2 (Wayland Compositor): bounded scaffold, zero warnings
Phase 3 (KWin Session): preflight checker (KWin stub, gated on Qt6Quick)
Phase 4 (KDE Plasma): 18 KF6 enabled, preflight checker
Phase 5 (Hardware GPU): DRM/firmware/Mesa preflight checker

Build: zero warnings, all scripts syntax-clean. Oracle-verified.

recipes/core/base/initfs/tools/Cargo.toml

@@ -0,0 +1,31 @@
+[package]
+name = "redox-initfs-tools"
+version = "0.2.0"
+authors = ["4lDO2 <4lDO2@protonmail.com>", "Kamil Koczurek <koczurekk@gmail.com>"]
+edition = "2021"
+description = "Tooling to archive a directory into an userspace bootstrap image (initfs)"
+license = "MIT"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[[bin]]
+name = "redox-initfs-ar"
+path = "src/bin/archive.rs"
+
+[[bin]]
+name = "redox-initfs-dump"
+path = "src/bin/dump.rs"
+
+[dependencies]
+anyhow.workspace = true
+clap = {workspace = true, features = ["cargo"]}
+env_logger = "0.8"
+log.workspace = true
+pathdiff = "0.2.1"
+plain.workspace = true
+twox-hash = "1.6"
+
+redox-initfs = {path = ".."}
+
+[lints]
+workspace = true