Align lint fixes with main and resolve merge conflicts

- Convert biome-ignore to oxlint-disable-next-line across client app
- Fix no-base-to-string with type narrowing instead of suppressions
- Fix no-floating-promises with fireAndForget() in proxy app
- Fix restrict-template-expressions with String() wrapping
- Resolve leftover merge conflict markers in manager.rs
- Remove duplicate cmd_plugin_init_errors from lib.rs
- Add graphql as explicit dependency in yaak-client

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

apps/yaak-client/hooks/useCreateDropdownItems.tsx

@@ -18,7 +18,7 @@ export function useCreateDropdownItems({
 }: {
   hideFolder?: boolean;
   hideIcons?: boolean;
-  folderId?: string | null | "active-folder";
+  folderId?: string | null;
 } = {}): DropdownItem[] {
   const workspaceId = useAtomValue(activeWorkspaceIdAtom);
   const activeRequest = useAtomValue(activeRequestAtom);
@@ -40,7 +40,7 @@ export function getCreateDropdownItems({
 }: {
   hideFolder?: boolean;
   hideIcons?: boolean;
-  folderId?: string | null | "active-folder";
+  folderId?: string | null;
   workspaceId: string | null;
   activeRequest: HttpRequest | GrpcRequest | WebsocketRequest | null;
   onCreate?: (