refactor(init): replace raw usize with CapSlot, StorageHandle, PhysicalAddress newtypes throughout supervisor and boot

crates/init/src/manifest.rs

@@ -17,7 +17,7 @@ pub enum EndpointBinding {
 
 #[derive(Debug, Clone, Copy)]
 pub enum BinarySource {
-    Ram { addr: usize, len: usize },
+    Ram { base: PhysicalAddress, size: usize },
     Storage { path: &'static str },
 }
 
@@ -74,7 +74,10 @@ pub static SNAKE_MANIFEST: BootManifest = BootManifest {
             hardware_caps: &[],
             endpoints: &[EndpointBinding::Own { name: "storage" }],
             restartable: true,
-            binary: BinarySource::Ram { addr: 0, len: 0 },
+            binary: BinarySource::Ram {
+                base: PhysicalAddress::from_raw(0),
+                size: 0,
+            },
         },
         ServerEntry {
             name: "display",