fix(ipc): command/response casing

src/ipc/commands.rs

@@ -3,7 +3,7 @@ use serde::{Deserialize, Serialize};
 use std::path::PathBuf;
 
 #[derive(Subcommand, Debug, Serialize, Deserialize)]
-#[serde(tag = "type")]
+#[serde(tag = "type", rename_all = "snake_case")]
 pub enum Command {
     /// Return "ok"
     Ping,

src/ipc/responses.rs

@@ -1,7 +1,7 @@
 use serde::{Deserialize, Serialize};
 
 #[derive(Debug, Serialize, Deserialize)]
-#[serde(tag = "type")]
+#[serde(tag = "type", rename_all = "snake_case")]
 pub enum Response {
     Ok,
     OkValue { value: String },