chore: scaffold cargo workspace and crate skeletons

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

crates/spacesh-core/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "spacesh-core"
+edition.workspace = true
+version.workspace = true
+
+[dependencies]
+alacritty_terminal.workspace = true
+serde.workspace = true

crates/spacesh-core/src/lib.rs

@@ -0,0 +1 @@
+// modules added in Tasks 11-12

crates/spacesh-proto/Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "spacesh-proto"
+edition.workspace = true
+version.workspace = true
+
+[dependencies]
+serde.workspace = true
+serde_json.workspace = true
+bytes.workspace = true
+thiserror.workspace = true
+tokio = { workspace = true }
+tokio-util.workspace = true

crates/spacesh-proto/src/codec.rs

@@ -0,0 +1 @@
+// populated in Task 2

crates/spacesh-proto/src/ids.rs

@@ -0,0 +1 @@
+// populated in Task 1

crates/spacesh-proto/src/lib.rs

@@ -0,0 +1,7 @@
+pub mod codec;
+pub mod ids;
+pub mod message;
+
+// re-exports added in Task 1 when types are defined
+// pub use ids::{SurfaceId, WorkspaceId};
+// pub use message::{Cmd, Envelope, ErrorBody, Evt};

crates/spacesh-proto/src/message.rs

@@ -0,0 +1 @@
+// populated in Task 1

crates/spacesh-pty/Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+name = "spacesh-pty"
+edition.workspace = true
+version.workspace = true
+
+[dependencies]
+portable-pty.workspace = true
+tokio.workspace = true
+bytes.workspace = true
+anyhow.workspace = true

crates/spacesh-pty/src/lib.rs

@@ -0,0 +1 @@
+// PtyHandle implemented in Task 3.

crates/spaceshd/Cargo.toml

@@ -0,0 +1,24 @@
+[package]
+name = "spaceshd"
+edition.workspace = true
+version.workspace = true
+
+[[bin]]
+name = "spaceshd"
+path = "src/main.rs"
+
+[dependencies]
+spacesh-proto = { path = "../spacesh-proto" }
+spacesh-pty = { path = "../spacesh-pty" }
+spacesh-core = { path = "../spacesh-core" }
+tokio.workspace = true
+tokio-util.workspace = true
+serde.workspace = true
+serde_json.workspace = true
+bytes.workspace = true
+base64.workspace = true
+anyhow.workspace = true
+thiserror.workspace = true
+futures.workspace = true
+fs2.workspace = true
+dirs.workspace = true

crates/spaceshd/src/main.rs

@@ -0,0 +1,3 @@
+fn main() {
+    println!("spaceshd skeleton");
+}