[PM-18042] Build request response structure

crates/bitwarden-ipc/Cargo.toml

@@ -20,15 +20,18 @@ wasm = [
 ] # WASM support
 
 [dependencies]
+async-trait = { workspace = true }
 bitwarden-error = { workspace = true }
 bitwarden-threading = { workspace = true }
+erased-serde = ">=0.4.6, <0.5"
 js-sys = { workspace = true, optional = true }
 log = { workspace = true }
 serde = { workspace = true }
 serde_json = { workspace = true }
 thiserror = { workspace = true }
 tokio = { features = ["sync", "time", "rt"], workspace = true }
 tsify-next = { workspace = true, optional = true }
+uuid = { workspace = true }
 wasm-bindgen = { workspace = true, optional = true }
 wasm-bindgen-futures = { workspace = true, optional = true }
 

crates/bitwarden-ipc/src/discover/mod.rs

@@ -0,0 +1,38 @@
+use serde::{Deserialize, Serialize};
+#[cfg(feature = "wasm")]
+use {tsify_next::Tsify, wasm_bindgen::prelude::*};
+
+use crate::{rpc::request::RpcRequest, RpcHandler};
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct DiscoverRequest;
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[cfg_attr(feature = "wasm", derive(Tsify), tsify(into_wasm_abi, from_wasm_abi))]
+pub struct DiscoverResponse {
+    pub version: String,
+}
+
+impl RpcRequest for DiscoverRequest {
+    type Response = DiscoverResponse;
+
+    const NAME: &str = "DiscoverRequest";
+}
+
+pub struct DiscoverHandler {
+    response: DiscoverResponse,
+}
+
+impl DiscoverHandler {
+    pub fn new(response: DiscoverResponse) -> Self {
+        Self { response }
+    }
+}
+
+impl RpcHandler for DiscoverHandler {
+    type Request = DiscoverRequest;
+
+    async fn handle(&self, _request: Self::Request) -> DiscoverResponse {
+        self.response.clone()
+    }
+}