feat(attachments): attach external notes, screenshots, photos, and image URLs to sparks

test/api.test.js

@@ -182,3 +182,37 @@ test("Head-to-Head Arena and Triage Review endpoints update arena_wins and compo
   const arenaData = await arenaRes.json();
   assert.equal(arenaData.winner.arena_wins, beforeWins + 1);
 });
+
+test("External notes and images can be attached to a spark and promoted to Mockup Studio", async () => {
+  const samplePngDataUrl =
+    "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+M9QDwADhgGAWjR9awAAAABJRU5ErkJggg==";
+
+  const attRes = await fetch(`${baseUrl}/api/ideas/1/attachments`, {
+    method: "POST",
+    headers: { "Content-Type": "application/json" },
+    body: JSON.stringify({
+      title: "Vintage Ski Patch Photo",
+      textContent: "Found this 1978 Chamonix felt patch as color reference.",
+      sourceUrl: "https://example.com/chamonix-patch",
+      imageDataUrl: samplePngDataUrl,
+      appendToNotes: true,
+      setAsCover: true
+    })
+  });
+  assert.equal(attRes.status, 201);
+  const attData = await attRes.json();
+  assert.equal(attData.attachment.title, "Vintage Ski Patch Photo");
+  assert.equal(attData.attachment.type, "image");
+  assert.ok(attData.idea.notes_markdown.includes("1978 Chamonix felt patch"));
+  assert.ok(attData.idea.links.some((l) => l.url === "https://example.com/chamonix-patch"));
+
+  // Promote attachment to Mockup Studio
+  const promRes = await fetch(
+    `${baseUrl}/api/ideas/1/attachments/${attData.attachment.id}/promote-mockup`,
+    { method: "POST" }
+  );
+  assert.equal(promRes.status, 201);
+  const promData = await promRes.json();
+  assert.equal(promData.idea.mockups[0].title, "Vintage Ski Patch Photo");
+});
+