sausage core part 1: a process per call, routing, tree, stop and kill, locks, journal, boot

Checkpoint. Removes the old host. A quality rework follows (modules,
journal writer thread, hash cache, finer tests).

cli/Cargo.toml

@@ -2,7 +2,7 @@
 name = "sausage"
 version = "0.1.0"
 edition = "2024"
-description = "Grow a system of WASI actors by talking to it."
+description = "Grow a system of WASI plugins by talking to it."
 
 [[bin]]
 name = "sausage"
@@ -15,7 +15,6 @@ clap = { version = "4", features = ["derive"] }
 http = "1"
 http-body-util = "0.1"
 include_dir = "0.7"
-notify = "8"
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 tokio = { version = "1", features = ["full"] }
@@ -23,3 +22,7 @@ toml_edit = "0.25"
 wasmtime = "49"
 wasmtime-wasi = "49"
 wasmtime-wasi-http = "49"
+
+uuid = { version = "1", features = ["v7"] }
+sha2 = "0.10"
+rusqlite = { version = "0.38", features = ["bundled"] }