fix: Pass chatSessionRepository through createContext in trpc-adapter

The createContext call manually enumerates every field rather than
spreading, so the new repo was silently dropped even though it existed
on the options object.

apps/server/server/trpc-adapter.ts

@@ -157,6 +157,7 @@ export function createTrpcHandler(options: TrpcAdapterOptions) {
           executionOrchestrator: options.executionOrchestrator,
           previewManager: options.previewManager,
           conversationRepository: options.conversationRepository,
+          chatSessionRepository: options.chatSessionRepository,
           workspaceRoot: options.workspaceRoot,
         }),
     });