feat(console): add runtime management and WIT Registry

- embed wasmeld-runtime behind an Axum management API\n- persist service metadata, metrics, and events with Toasty and libSQL\n- register immutable component artifacts with platform-owned limits\n- publish, list, inspect, and download binary WIT package versions\n- verify Runtime lifecycle, persistence, Registry immutability, and transitive fetch

crates/wasmeld-console/Cargo.toml

@@ -0,0 +1,27 @@
+[package]
+name = "wasmeld-console"
+version = "0.1.0"
+edition.workspace = true
+rust-version = "1.95"
+license.workspace = true
+
+[dependencies]
+axum.workspace = true
+base64.workspace = true
+serde.workspace = true
+serde_json.workspace = true
+semver.workspace = true
+thiserror.workspace = true
+toasty.workspace = true
+toasty-driver-turso.workspace = true
+tokio.workspace = true
+toml.workspace = true
+tower-http.workspace = true
+tracing.workspace = true
+tracing-subscriber.workspace = true
+wasmeld-package = { path = "../wasmeld-package" }
+wasmeld-runtime = { path = "../wasmeld-runtime" }
+
+[dev-dependencies]
+tempfile = "3.23.0"
+tower = { version = "0.5.2", features = ["util"] }