fix(payload-ai): convert server actions to api endpoints, drop @payload-config dependency

packages/payload-ai/src/components/FieldGenerators/AiFieldButton.tsx

@@ -2,8 +2,6 @@
 
 import React, { useState } from "react";
 import { useField, useDocumentInfo, useForm } from "@payloadcms/ui";
-import { generateSingleFieldAction } from "../../actions/generateField.js";
-
 export function AiFieldButton({ path, field }: { path: string; field: any }) {
     const [isGenerating, setIsGenerating] = useState(false);
     const [instructions, setInstructions] = useState("");
@@ -44,19 +42,26 @@ export function AiFieldButton({ path, field }: { path: string; field: any }) {
                     ? field.admin.description
                     : "";
 
-            const res = await generateSingleFieldAction(
-                (title as string) || "",
-                draftContent,
-                fieldName,
-                fieldDescription,
-                instructions,
-            );
+            const resData = await fetch("/api/api/mintel-ai/generate-single-field", {
+                method: "POST",
+                headers: { "Content-Type": "application/json" },
+                body: JSON.stringify({
+                    documentTitle: (title as string) || "",
+                    documentContent: draftContent,
+                    fieldName,
+                    fieldDescription,
+                    instructions,
+                }),
+            });
+            const res = await resData.json();
+
             if (res.success && res.text) {
                 setValue(res.text);
             } else {
                 alert("Fehler: " + res.error);
             }
-        } catch (e) {
+        } catch (e: any) {
+            console.error(e)
             alert("Fehler bei der Generierung.");
         } finally {
             setIsGenerating(false);