refactor: rename basepath to admin_basepath and normalize admin paths

app/src/ui/client/BkndProvider.tsx

@@ -9,7 +9,7 @@ import { Message } from "ui/components/display/Message";
 import { useNavigate } from "ui/lib/routes";
 
 export type BkndAdminOptions = {
-   basepath?: string;
+   admin_basepath?: string;
    logo_return_path?: string;
    theme?: AppTheme;
 };
@@ -169,7 +169,7 @@ export function useBkndOptions(): BkndAdminOptions {
    const ctx = useContext(BkndContext);
    return (
       ctx.options ?? {
-         basepath: "/",
+         admin_basepath: "/",
       }
    );
 }

app/src/ui/client/utils/AppReduced.ts

@@ -6,6 +6,23 @@ import type { BkndAdminOptions } from "ui/client/BkndProvider";
 
 export type AppType = ReturnType<App["toJSON"]>;
 
+/**
+ * Normalize admin path by removing duplicate slashes and ensuring proper format
+ * @param path - The path to normalize
+ * @returns Normalized path
+ * @private
+ */
+function normalizeAdminPath(path: string): string {
+   // Remove duplicate slashes
+   const normalized = path.replace(/\/+/g, "/");
+   // Don't remove trailing slash if it's the only character or if path ends with entity/
+   if (normalized === "/" || normalized.endsWith("/entity/")) {
+      return normalized;
+   }
+   // Remove trailing slash for other paths
+   return normalized.replace(/\/$/, "") || "/";
+}
+
 /**
  * Reduced version of the App class for frontend use
  * @todo: remove this class
@@ -68,20 +85,19 @@ export class AppReduced {
 
    get options() {
       return {
-         basepath: "",
+         admin_basepath: "",
          logo_return_path: "/",
          ...this._options,
       };
    }
 
    getSettingsPath(path: string[] = []): string {
-      const base = `~/${this.options.basepath}/settings`.replace(/\/+/g, "/");
-      return [base, ...path].join("/");
+      const base = `~/${this.options.admin_basepath}/settings`
+      return normalizeAdminPath([base, ...path].join("/"));
    }
 
    getAbsolutePath(path?: string): string {
-      const { basepath } = this.options;
-      return (path ? `~/${basepath}/${path}` : `~/${basepath}`).replace(/\/+/g, "/");
+      return normalizeAdminPath((path ? `~/${this.options.admin_basepath}/${path}` : `~/${this.options.admin_basepath}`));
    }
 
    getAuthConfig() {