Add service module with macros and action framework

- Create new vcs_service crate for handling service actions
- Add vcs_service_macros crate for procedural macros
- Add vcs_test module with action framework integration
- Implement Action and ActionPool traits for service operations

1 files changed, 38 insertions, 0 deletions

diff --git a/crates/service/src/action.rs b/crates/service/src/action.rs
new file mode 100644
index 0000000..14f1148
--- /dev/null
+++ b/crates/service/src/action.rs
@@ -0,0 +1,38 @@
+use tcp_connection::{error::TcpTargetError, instance::ConnectionInstance};
+
+pub trait Action<Args, Return> {
+    fn action_name() -> &'static str;
+
+    fn is_remote_action() -> bool;
+
+    fn process(
+        context: ActionContext,
+        args: Args,
+    ) -> impl std::future::Future<Output = Result<Return, TcpTargetError>> + Send;
+}
+
+pub struct ActionContext {
+    // Whether the action is executed locally or remotely
+    local: bool,
+
+    /// The connection instance in the current context,
+    /// used to interact with the machine on the other end
+    instance: ConnectionInstance,
+}
+
+impl ActionContext {
+    /// Whether the action is executed locally
+    pub fn is_local(&self) -> bool {
+        self.local
+    }
+
+    /// Whether the action is executed remotely
+    pub fn is_remote(&self) -> bool {
+        !self.local
+    }
+
+    /// Get the connection instance in the current context
+    pub fn instance(&self) -> &ConnectionInstance {
+        &self.instance
+    }
+}