feat(HAI-032): add image paste support to inline create card

- Add paste handler to extract and preview images from clipboard
- Track pending images with object URL previews and cleanup on unmount
- Upload pasted images as attachments on task creation
- Add styled image preview strip with remove button
- Add CSS for preview thumbnails with hover-to-delete overlay

packages/dashboard/app/styles.css

@@ -816,6 +816,51 @@ html, body {
   margin-left: auto;
 }
 
+.inline-create-previews {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 8px;
+}
+
+.inline-create-preview {
+  position: relative;
+  width: 48px;
+  height: 48px;
+  border: 1px solid var(--border, #333);
+  border-radius: 6px;
+  overflow: hidden;
+  background: var(--bg-secondary, #1a1a2e);
+  flex-shrink: 0;
+}
+
+.inline-create-preview img {
+  width: 100%;
+  height: 100%;
+  object-fit: cover;
+  display: block;
+}
+
+.inline-create-preview-remove {
+  position: absolute;
+  top: 1px;
+  right: 1px;
+  background: rgba(0, 0, 0, 0.6);
+  color: #fff;
+  border: none;
+  border-radius: 50%;
+  width: 18px;
+  height: 18px;
+  cursor: pointer;
+  font-size: 12px;
+  line-height: 18px;
+  text-align: center;
+  padding: 0;
+}
+
+.inline-create-preview-remove:hover {
+  background: rgba(200, 0, 0, 0.8);
+}
+
 .dep-trigger-wrap {
   position: relative;
 }