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/components/DynamicForm.tsx

@@ -511,16 +511,14 @@ function HttpRequestArg({
       help={arg.description}
       value={value}
       disabled={arg.disabled}
-      options={[
-        ...httpRequests.map((r) => {
+      options={httpRequests.map((r) => {
           return {
             label:
               buildRequestBreadcrumbs(r, folders).join(" / ") +
               (r.id === activeHttpRequest?.id ? " (current)" : ""),
             value: r.id,
           };
-        }),
-      ]}
+        })}
     />
   );
 }