feat(acp): introduce threads (#8344)

Signed-off-by: Bradley Axen <baxen@squareup.com>

crates/goose-sdk/src/custom_requests.rs

@@ -83,24 +83,6 @@ pub struct UpdateWorkingDirRequest {
     pub working_dir: String,
 }
 
-/// Get a session by ID.
-#[derive(Debug, Default, Clone, Serialize, Deserialize, JsonSchema, JsonRpcRequest)]
-#[request(method = "session/get", response = GetSessionResponse)]
-#[serde(rename_all = "camelCase")]
-pub struct GetSessionRequest {
-    pub session_id: String,
-    #[serde(default)]
-    pub include_messages: bool,
-}
-
-/// Get a session response.
-#[derive(Debug, Default, Clone, Serialize, Deserialize, JsonSchema, JsonRpcResponse)]
-pub struct GetSessionResponse {
-    /// The session object with id, name, working_dir, timestamps, tokens, etc.
-    #[serde(default)]
-    pub session: serde_json::Value,
-}
-
 /// Delete a session.
 #[derive(Debug, Default, Clone, Serialize, Deserialize, JsonSchema, JsonRpcRequest)]
 #[request(method = "session/delete", response = EmptyResponse)]
@@ -109,35 +91,6 @@ pub struct DeleteSessionRequest {
     pub session_id: String,
 }
 
-/// Export a session as a JSON string.
-#[derive(Debug, Default, Clone, Serialize, Deserialize, JsonSchema, JsonRpcRequest)]
-#[request(method = "_goose/session/export", response = ExportSessionResponse)]
-#[serde(rename_all = "camelCase")]
-pub struct ExportSessionRequest {
-    pub session_id: String,
-}
-
-/// Export session response.
-#[derive(Debug, Default, Clone, Serialize, Deserialize, JsonSchema, JsonRpcResponse)]
-pub struct ExportSessionResponse {
-    pub data: String,
-}
-
-/// Import a session from a JSON string.
-#[derive(Debug, Default, Clone, Serialize, Deserialize, JsonSchema, JsonRpcRequest)]
-#[request(method = "_goose/session/import", response = ImportSessionResponse)]
-pub struct ImportSessionRequest {
-    pub data: String,
-}
-
-/// Import session response.
-#[derive(Debug, Default, Clone, Serialize, Deserialize, JsonSchema, JsonRpcResponse)]
-pub struct ImportSessionResponse {
-    /// The imported session object.
-    #[serde(default)]
-    pub session: serde_json::Value,
-}
-
 /// List configured extensions and any warnings.
 #[derive(Debug, Default, Clone, Serialize, Deserialize, JsonSchema, JsonRpcRequest)]
 #[request(method = "_goose/config/extensions", response = GetExtensionsResponse)]
@@ -254,6 +207,53 @@ pub struct ListProvidersResponse {
     pub providers: Vec<ProviderListEntry>,
 }
 
+/// Archive a session (soft delete).
+#[derive(Debug, Default, Clone, Serialize, Deserialize, JsonSchema, JsonRpcRequest)]
+#[request(method = "_goose/session/archive", response = EmptyResponse)]
+#[serde(rename_all = "camelCase")]
+pub struct ArchiveSessionRequest {
+    pub session_id: String,
+}
+
+/// Unarchive a previously archived session.
+#[derive(Debug, Default, Clone, Serialize, Deserialize, JsonSchema, JsonRpcRequest)]
+#[request(method = "_goose/session/unarchive", response = EmptyResponse)]
+#[serde(rename_all = "camelCase")]
+pub struct UnarchiveSessionRequest {
+    pub session_id: String,
+}
+
+/// Export a session as a JSON string.
+#[derive(Debug, Default, Clone, Serialize, Deserialize, JsonSchema, JsonRpcRequest)]
+#[request(method = "_goose/session/export", response = ExportSessionResponse)]
+#[serde(rename_all = "camelCase")]
+pub struct ExportSessionRequest {
+    pub session_id: String,
+}
+
+/// Export session response — raw JSON of the goose session with `conversation`.
+#[derive(Debug, Default, Clone, Serialize, Deserialize, JsonSchema, JsonRpcResponse)]
+pub struct ExportSessionResponse {
+    pub data: String,
+}
+
+/// Import a session from a JSON string.
+#[derive(Debug, Default, Clone, Serialize, Deserialize, JsonSchema, JsonRpcRequest)]
+#[request(method = "_goose/session/import", response = ImportSessionResponse)]
+pub struct ImportSessionRequest {
+    pub data: String,
+}
+
+/// Import session response — metadata about the newly created session.
+#[derive(Debug, Default, Clone, Serialize, Deserialize, JsonSchema, JsonRpcResponse)]
+#[serde(rename_all = "camelCase")]
+pub struct ImportSessionResponse {
+    pub session_id: String,
+    pub title: Option<String>,
+    pub updated_at: Option<String>,
+    pub message_count: u64,
+}
+
 /// Empty success response for operations that return no data.
 #[derive(Debug, Default, Clone, Serialize, Deserialize, JsonSchema, JsonRpcResponse)]
 pub struct EmptyResponse {}