feat: Add chat embeds v1

Youtube and Website metadata embeds

electron/cqrs/commands/handlers/updateMessage.ts

@@ -13,29 +13,35 @@ export async function handleUpdateMessage(command: UpdateMessageCommand, dataSou
     if (!existing)
       return;
 
-    if (updates.channelId !== undefined)
-      existing.channelId = updates.channelId ?? null;
+    const directFields = [
+      'senderId',
+      'senderName',
+      'content',
+      'timestamp'
+    ] as const;
+    const entity = existing as unknown as Record<string, unknown>;
 
-    if (updates.senderId !== undefined)
-      existing.senderId = updates.senderId;
+    for (const field of directFields) {
+      if (updates[field] !== undefined)
+        entity[field] = updates[field];
+    }
 
-    if (updates.senderName !== undefined)
-      existing.senderName = updates.senderName;
+    const nullableFields = [
+      'channelId',
+      'editedAt',
+      'replyToId'
+    ] as const;
 
-    if (updates.content !== undefined)
-      existing.content = updates.content;
-
-    if (updates.timestamp !== undefined)
-      existing.timestamp = updates.timestamp;
-
-    if (updates.editedAt !== undefined)
-      existing.editedAt = updates.editedAt ?? null;
+    for (const field of nullableFields) {
+      if (updates[field] !== undefined)
+        entity[field] = updates[field] ?? null;
+    }
 
     if (updates.isDeleted !== undefined)
       existing.isDeleted = updates.isDeleted ? 1 : 0;
 
-    if (updates.replyToId !== undefined)
-      existing.replyToId = updates.replyToId ?? null;
+    if (updates.linkMetadata !== undefined)
+      existing.linkMetadata = updates.linkMetadata ? JSON.stringify(updates.linkMetadata) : null;
 
     await repo.save(existing);