Refactor for i18n, CMS integration, and project slugs; enhance admin & analytics

Co-authored-by: dennis <dennis@konkol.net>

lib/tiptap/fontFamily.ts

@@ -0,0 +1,67 @@
+import { Extension } from "@tiptap/core";
+
+const allowedFonts = [
+  "Inter",
+  "ui-sans-serif",
+  "ui-serif",
+  "ui-monospace",
+] as const;
+
+export type AllowedFontFamily = (typeof allowedFonts)[number];
+
+declare module "@tiptap/core" {
+  interface Commands<ReturnType> {
+    fontFamily: {
+      setFontFamily: (fontFamily: string) => ReturnType;
+      unsetFontFamily: () => ReturnType;
+    };
+  }
+}
+
+export const FontFamily = Extension.create({
+  name: "fontFamily",
+
+  addGlobalAttributes() {
+    return [
+      {
+        types: ["textStyle"],
+        attributes: {
+          fontFamily: {
+            default: null,
+            parseHTML: (element) => {
+              const raw = (element as HTMLElement).style.fontFamily;
+              if (!raw) return null;
+              // Normalize: remove quotes and take first family only
+              const first = raw.split(",")[0]?.trim().replace(/^["']|["']$/g, "");
+              if (!first) return null;
+              return first;
+            },
+            renderHTML: (attributes) => {
+              const fontFamily = attributes.fontFamily as string | null;
+              if (!fontFamily) return {};
+              if (!allowedFonts.includes(fontFamily as AllowedFontFamily)) return {};
+              return { style: `font-family: ${fontFamily}` };
+            },
+          },
+        },
+      },
+    ];
+  },
+
+  addCommands() {
+    return {
+      setFontFamily:
+        (fontFamily: string) =>
+        ({ chain }) => {
+          if (!allowedFonts.includes(fontFamily as AllowedFontFamily)) return false;
+          return chain().setMark("textStyle", { fontFamily }).run();
+        },
+      unsetFontFamily:
+        () =>
+        ({ chain }) => {
+          return chain().setMark("textStyle", { fontFamily: null }).removeEmptyTextStyle().run();
+        },
+    };
+  },
+});
+