feat(pages): add reusable page block editor and renderer baseline

apps/admin/src/app/pages/[id]/page.tsx

@@ -10,6 +10,7 @@ import Link from "next/link"
 import { redirect } from "next/navigation"
 
 import { AdminShell } from "@/components/admin-shell"
+import { PageBlockEditor } from "@/components/pages/page-block-editor"
 import { requirePermissionForRoute } from "@/lib/route-guards"
 
 export const dynamic = "force-dynamic"
@@ -242,16 +243,7 @@ export default async function PageEditorPage({ params, searchParams }: PageProps
             />
           </label>
 
-          <label className="space-y-1">
-            <span className="text-xs text-neutral-600">Content</span>
-            <textarea
-              name="content"
-              rows={10}
-              defaultValue={page.content}
-              required
-              className="w-full rounded border border-neutral-300 px-3 py-2 text-sm"
-            />
-          </label>
+          <PageBlockEditor name="content" initialContent={page.content} />
 
           <div className="grid gap-3 md:grid-cols-2">
             <label className="space-y-1">
@@ -368,16 +360,11 @@ export default async function PageEditorPage({ params, searchParams }: PageProps
             />
           </label>
 
-          <label className="space-y-1">
-            <span className="text-xs text-neutral-600">Content</span>
-            <textarea
-              name="content"
-              rows={8}
-              defaultValue={selectedTranslation?.content ?? page.content}
-              required
-              className="w-full rounded border border-neutral-300 px-3 py-2 text-sm"
-            />
-          </label>
+          <PageBlockEditor
+            name="content"
+            initialContent={selectedTranslation?.content ?? page.content}
+            label="Translation Blocks"
+          />
 
           <div className="grid gap-3 md:grid-cols-2">
             <label className="space-y-1">

apps/admin/src/components/pages/create-page-form.test.tsx

@@ -11,7 +11,9 @@ describe("CreatePageForm", () => {
 
     expect((screen.getByLabelText("Title") as HTMLInputElement).name).toBe("title")
     expect((screen.getByLabelText("Slug") as HTMLInputElement).name).toBe("slug")
-    expect((screen.getByLabelText("Content") as HTMLTextAreaElement).name).toBe("content")
+    const contentField = document.querySelector('input[name="content"]') as HTMLInputElement | null
+    expect(contentField).not.toBeNull()
+    expect(contentField?.value.startsWith("[")).toBe(true)
 
     const status = screen.getByLabelText("Status") as HTMLSelectElement
     expect(status.value).toBe("draft")

apps/admin/src/components/pages/create-page-form.tsx

@@ -1,5 +1,8 @@
+import { serializePageBlocks } from "@cms/content"
 import { Button } from "@cms/ui/button"
 
+import { PageBlockEditor } from "./page-block-editor"
+
 type CreatePageFormProps = {
   action: (formData: FormData) => void | Promise<void>
 }
@@ -46,15 +49,16 @@ export function CreatePageForm({ action }: CreatePageFormProps) {
         />
       </label>
 
-      <label className="space-y-1">
-        <span className="text-xs text-neutral-600">Content</span>
-        <textarea
-          name="content"
-          rows={6}
-          required
-          className="w-full rounded border border-neutral-300 px-3 py-2 text-sm"
-        />
-      </label>
+      <PageBlockEditor
+        name="content"
+        initialContent={serializePageBlocks([
+          {
+            id: "initial-rich-text",
+            type: "rich_text",
+            body: "",
+          },
+        ])}
+      />
 
       <div className="grid gap-3 md:grid-cols-2">
         <label className="space-y-1">

apps/admin/src/components/pages/page-block-editor.tsx

@@ -0,0 +1,292 @@
+"use client"
+
+import { type PageBlock, type PageBlocks, parsePageBlocks, serializePageBlocks } from "@cms/content"
+import { useMemo, useState } from "react"
+
+type PageBlockEditorProps = {
+  name: string
+  initialContent: string
+  label?: string
+}
+
+function randomId(prefix: string): string {
+  return `${prefix}-${Math.random().toString(36).slice(2, 10)}`
+}
+
+function normalizeInitialBlocks(initialContent: string): PageBlocks {
+  if (!initialContent.trim()) {
+    return [
+      {
+        id: randomId("rich"),
+        type: "rich_text",
+        body: "",
+      },
+    ]
+  }
+
+  try {
+    return parsePageBlocks(initialContent)
+  } catch {
+    return [
+      {
+        id: randomId("rich"),
+        type: "rich_text",
+        body: initialContent,
+      },
+    ]
+  }
+}
+
+function updateBlock(blocks: PageBlocks, blockId: string, next: Partial<PageBlock>): PageBlocks {
+  return blocks.map((block) =>
+    block.id === blockId ? ({ ...block, ...next } as PageBlock) : block,
+  )
+}
+
+export function PageBlockEditor({
+  name,
+  initialContent,
+  label = "Page Blocks",
+}: PageBlockEditorProps) {
+  const [blocks, setBlocks] = useState<PageBlocks>(() => normalizeInitialBlocks(initialContent))
+
+  const serialized = useMemo(() => serializePageBlocks(blocks), [blocks])
+
+  function addBlock(type: PageBlock["type"]) {
+    if (type === "hero") {
+      setBlocks((prev) => [
+        ...prev,
+        {
+          id: randomId("hero"),
+          type,
+          heading: "Hero heading",
+          subheading: null,
+          ctaHref: null,
+          ctaLabel: null,
+        },
+      ])
+      return
+    }
+
+    if (type === "rich_text") {
+      setBlocks((prev) => [...prev, { id: randomId("rich"), type, body: "" }])
+      return
+    }
+
+    if (type === "gallery") {
+      setBlocks((prev) => [...prev, { id: randomId("gallery"), type, title: null, imageIds: [] }])
+      return
+    }
+
+    if (type === "cta") {
+      setBlocks((prev) => [
+        ...prev,
+        { id: randomId("cta"), type, label: "Open", href: "/", variant: "primary" },
+      ])
+      return
+    }
+
+    if (type === "form") {
+      setBlocks((prev) => [
+        ...prev,
+        { id: randomId("form"), type, formKey: "contact", title: null, description: null },
+      ])
+      return
+    }
+
+    setBlocks((prev) => [
+      ...prev,
+      { id: randomId("price"), type: "price_cards", title: null, cards: [] },
+    ])
+  }
+
+  return (
+    <div className="space-y-3 rounded border border-neutral-200 p-3">
+      <input type="hidden" name={name} value={serialized} />
+      <div className="flex flex-wrap items-center gap-2">
+        <span className="text-xs text-neutral-600">{label}</span>
+        <button
+          type="button"
+          className="rounded border px-2 py-1 text-xs"
+          onClick={() => addBlock("hero")}
+        >
+          + Hero
+        </button>
+        <button
+          type="button"
+          className="rounded border px-2 py-1 text-xs"
+          onClick={() => addBlock("rich_text")}
+        >
+          + Rich text
+        </button>
+        <button
+          type="button"
+          className="rounded border px-2 py-1 text-xs"
+          onClick={() => addBlock("gallery")}
+        >
+          + Gallery
+        </button>
+        <button
+          type="button"
+          className="rounded border px-2 py-1 text-xs"
+          onClick={() => addBlock("cta")}
+        >
+          + CTA
+        </button>
+        <button
+          type="button"
+          className="rounded border px-2 py-1 text-xs"
+          onClick={() => addBlock("form")}
+        >
+          + Form
+        </button>
+        <button
+          type="button"
+          className="rounded border px-2 py-1 text-xs"
+          onClick={() => addBlock("price_cards")}
+        >
+          + Price cards
+        </button>
+      </div>
+
+      <div className="space-y-3">
+        {blocks.map((block, index) => (
+          <article key={block.id} className="space-y-2 rounded border border-neutral-200 p-3">
+            <div className="flex items-center justify-between text-xs text-neutral-600">
+              <span>
+                #{index + 1} {block.type}
+              </span>
+              <button
+                type="button"
+                className="rounded border px-2 py-1"
+                onClick={() => setBlocks((prev) => prev.filter((entry) => entry.id !== block.id))}
+              >
+                Remove
+              </button>
+            </div>
+
+            {block.type === "hero" ? (
+              <div className="grid gap-2 md:grid-cols-2">
+                <input
+                  value={block.heading}
+                  onChange={(event) =>
+                    setBlocks((prev) =>
+                      updateBlock(prev, block.id, { heading: event.target.value }),
+                    )
+                  }
+                  placeholder="Heading"
+                  className="rounded border border-neutral-300 px-2 py-1 text-sm"
+                />
+                <input
+                  value={block.subheading ?? ""}
+                  onChange={(event) =>
+                    setBlocks((prev) =>
+                      updateBlock(prev, block.id, { subheading: event.target.value || null }),
+                    )
+                  }
+                  placeholder="Subheading"
+                  className="rounded border border-neutral-300 px-2 py-1 text-sm"
+                />
+              </div>
+            ) : null}
+
+            {block.type === "rich_text" ? (
+              <textarea
+                rows={5}
+                value={block.body}
+                onChange={(event) =>
+                  setBlocks((prev) => updateBlock(prev, block.id, { body: event.target.value }))
+                }
+                placeholder="Text"
+                className="w-full rounded border border-neutral-300 px-2 py-1 text-sm"
+              />
+            ) : null}
+
+            {block.type === "gallery" ? (
+              <textarea
+                rows={3}
+                value={block.imageIds.join(",")}
+                onChange={(event) =>
+                  setBlocks((prev) =>
+                    updateBlock(prev, block.id, {
+                      imageIds: event.target.value
+                        .split(",")
+                        .map((entry) => entry.trim())
+                        .filter((entry) => entry.length > 0),
+                    }),
+                  )
+                }
+                placeholder="Media asset IDs (comma separated UUIDs)"
+                className="w-full rounded border border-neutral-300 px-2 py-1 text-sm"
+              />
+            ) : null}
+
+            {block.type === "cta" ? (
+              <div className="grid gap-2 md:grid-cols-2">
+                <input
+                  value={block.label}
+                  onChange={(event) =>
+                    setBlocks((prev) => updateBlock(prev, block.id, { label: event.target.value }))
+                  }
+                  placeholder="Button label"
+                  className="rounded border border-neutral-300 px-2 py-1 text-sm"
+                />
+                <input
+                  value={block.href}
+                  onChange={(event) =>
+                    setBlocks((prev) => updateBlock(prev, block.id, { href: event.target.value }))
+                  }
+                  placeholder="Link href"
+                  className="rounded border border-neutral-300 px-2 py-1 text-sm"
+                />
+              </div>
+            ) : null}
+
+            {block.type === "form" ? (
+              <input
+                value={block.formKey}
+                onChange={(event) =>
+                  setBlocks((prev) => updateBlock(prev, block.id, { formKey: event.target.value }))
+                }
+                placeholder="Form key (e.g. contact, commission)"
+                className="w-full rounded border border-neutral-300 px-2 py-1 text-sm"
+              />
+            ) : null}
+
+            {block.type === "price_cards" ? (
+              <textarea
+                rows={4}
+                value={block.cards
+                  .map((card) => [card.name, card.price ?? "", card.description ?? ""].join("|"))
+                  .join("\n")}
+                onChange={(event) =>
+                  setBlocks((prev) =>
+                    updateBlock(prev, block.id, {
+                      cards: event.target.value
+                        .split("\n")
+                        .map((line) => line.trim())
+                        .filter((line) => line.length > 0)
+                        .map((line, lineIndex) => {
+                          const [name, price, description] = line
+                            .split("|")
+                            .map((entry) => entry.trim())
+                          return {
+                            id: `card-${lineIndex}`,
+                            name: name || `Card ${lineIndex + 1}`,
+                            price: price || null,
+                            description: description || null,
+                          }
+                        }),
+                    }),
+                  )
+                }
+                placeholder="One card per line: Name|Price|Description"
+                className="w-full rounded border border-neutral-300 px-2 py-1 text-sm"
+              />
+            ) : null}
+          </article>
+        ))}
+      </div>
+    </div>
+  )
+}