WIP on persisting chat history on daemon

crates/shared/proto/api.proto

@@ -2,13 +2,37 @@ syntax = "proto3";
 package ai_daemon;
 
 service AiDaemon {
-    rpc Prompt (PromptRequest) returns (PromptResponse);
+  rpc Prompt(PromptRequest) returns (PromptResponse);
+  rpc Chat(ChatRequest) returns (ChatResponse);
+  rpc ChatHistory(ChatHistoryRequest) returns (ChatHistoryResponse);
+}
+
+message ChatResponse {
+  int64 id = 1;
+  int64 chat_id = 2;
+  string text = 10;
+  bool is_user = 20;
+}
+
+message ChatRequest {
+  optional int64 chat_id = 1;
+  optional string text = 10;
+}
+
+message ChatHistoryRequest {
+  // If not set last chat is returned
+  optional int64 chat_id = 1;
+}
+
+message ChatHistoryResponse {
+  int64 chat_id = 1;
+  repeated ChatResponse history = 10;
 }
 
 message PromptRequest {
-    string prompt = 1;
+  string prompt = 1;
 }
 
 message PromptResponse {
-    string response = 1;
+  string response = 1;
 }

crates/shared/src/lib.rs

@@ -1,5 +1,6 @@
 pub mod ai {
     tonic::include_proto!("ai_daemon");
 
-    pub const FILE_DESCRIPTOR_SET: &[u8] = tonic::include_file_descriptor_set!("ai_service_descriptor");
-}
+    pub const FILE_DESCRIPTOR_SET: &[u8] =
+        tonic::include_file_descriptor_set!("ai_service_descriptor");
+}