obsolete `messages` db layer

server/trpc/messages.ts

@@ -1,7 +1,7 @@
 import { router, publicProcedure, createCallerFactory } from "./server";
 import { MODEL_NAME } from "../provider.js";
 import { generateObject, generateText, jsonSchema } from "ai";
-import type { DraftMessage } from "../../types.js";
+import type { CommittedMessage, DraftMessage } from "../../types.js";
 
 const runningSummarySystemPrompt = ({
   previousRunningSummary,
@@ -46,13 +46,18 @@ Generate a new running summary of the conversation.`;
 export const messages = router({
   fetchByConversationId: publicProcedure
     .input((x) => x as { conversationId: string })
-    .query(async ({ input: { conversationId }, ctx: { db } }) => {
-      return await db.messages.findByConversationId(conversationId);
+    .query(async ({ input: { conversationId }, ctx: { dbClient } }) => {
+      const rows = (await dbClient
+        .selectFrom("messages")
+        .selectAll()
+        .where("conversationId", "=", conversationId)
+        .execute()) as Array<CommittedMessage>;
+      return rows;
     }),
   deleteOne: publicProcedure
     .input((x) => x as { id: string })
-    .mutation(async ({ input: { id }, ctx: { db } }) => {
-      await db.messages.delete(id);
+    .mutation(async ({ input: { id }, ctx: { dbClient } }) => {
+      await dbClient.deleteFrom("messages").where("id", "=", id).execute();
       return { success: true };
     }),
   generateRunningSummary: publicProcedure