feat: category export and API cleanup.

src/server/db/get-session.ts

@@ -13,7 +13,7 @@ export async function getSession(id: string): Promise<GetSessionResponse> {
   const logEntries = await db
     .selectFrom("log_entries")
     .where("session_info_id", "=", id)
-    .select(["id", "message", "timestamp"])
+    .select(["id", "message", "timestamp", "category"])
     .orderBy("timestamp", "asc")
     .execute();
 
@@ -35,6 +35,7 @@ export async function getSession(id: string): Promise<GetSessionResponse> {
     log_entries: logEntries.map((entry) => ({
       message: entry.message,
       timestamp: entry.timestamp,
+      category: entry.category,
       metadata: metadata
         .filter((m) => m.log_entry_id === entry.id)
         .reduce((acc, m) => ({ ...acc, [m.key]: m.value }), {}),