fix(pages): adapt all pages to backend-aligned types

Replace removed fields with available data sources throughout UI:
- order pages: use service.title instead of consumer/player names
- chat: look up sender from session.participants, remove readonly
- community: simplify post cards, keep pinned icon
- post detail: keep pinned/linkedOrderId display
- shop rules: use string commissionValue
- dashboard: parse string amounts for income display
- dispute/review: remove initiator/avatar references

app/(main)/post/new/page.tsx

@@ -78,13 +78,11 @@ export default function NewPostPage() {
 
       createPost({
         author: user,
-        authorRole: currentRole,
         title: data.title,
         content: data.content,
         images: Array.from({ length: imageCount }).map(() => "/posts/p1-1.jpg"),
         tags: selectedTags,
         linkedOrderId: effectivePostType === "show_order" ? selectedOrderId : undefined,
-        quotedPostId: effectivePostType === "quote" ? selectedQuotePostId : undefined,
       })
 
       router.push("/community")
@@ -131,7 +129,7 @@ export default function NewPostPage() {
                   <SelectContent>
                     {availableOrders.map((order) => (
                       <SelectItem key={order.id} value={order.id}>
-                        {order.service.title} · {order.playerName}
+                        {order.service.title}
                       </SelectItem>
                     ))}
                   </SelectContent>