feat(boot): gatekeeper gates boot (init→UI→gatekeeper→data); keystore disk + virtio-rng discovery; terminal READ_SECRET; storage SET_KEY; PageCount ≤8192, alloc cap gone; device window 0x01D0_0000; test-qemu types passcode over 2 boots

crates/servers/gatekeeper/Cargo.toml

@@ -6,3 +6,14 @@ edition = "2024"
 [dependencies]
 keystore = { workspace = true }
 zeroize = { workspace = true }
+types = { workspace = true }
+libkos = { workspace = true }
+port-block-device = { workspace = true }
+port-entropy = { workspace = true }
+driver-block-virtio = { workspace = true }
+driver-rng-virtio = { workspace = true }
+
+[[bin]]
+name = "gatekeeper"
+test = false
+bench = false