feat: sync monoforum and collectible emoji status

Sync telesrv bd15657 (feat(account): implement collectible emoji status).

Skipped telesrv docs changes per public sync rules.

internal/app/stargifts/collectible_emoji_status_test.go

@@ -0,0 +1,34 @@
+package stargifts
+
+import (
+	"bytes"
+	"testing"
+
+	"telesrv/internal/domain"
+)
+
+func TestCollectiblePatternUsesTextColorCustomEmojiAttribute(t *testing.T) {
+	pattern := collectibleDocumentAttributes(domain.StarGiftCollectiblePattern)
+	if len(pattern) != 3 || pattern[1].Kind != domain.DocAttrCustomEmoji || !pattern[1].TextColor {
+		t.Fatalf("pattern attributes = %+v, want text-color custom emoji", pattern)
+	}
+	model := collectibleDocumentAttributes(domain.StarGiftCollectibleModel)
+	if len(model) != 3 || model[1].Kind != domain.DocAttrSticker || model[1].TextColor {
+		t.Fatalf("model attributes = %+v, want ordinary sticker", model)
+	}
+}
+
+func TestCollectiblePatternHasInlinePathThumbForAndroidStaticPreview(t *testing.T) {
+	pattern := collectibleDocumentThumbs(domain.StarGiftCollectiblePattern)
+	if len(pattern) != 1 || pattern[0].Kind != domain.PhotoSizeKindPath ||
+		pattern[0].Type != "j" || !bytes.Equal(pattern[0].Bytes, collectiblePatternPathThumb) {
+		t.Fatalf("pattern thumbs = %+v, want inline path placeholder", pattern)
+	}
+	pattern[0].Bytes[0] ^= 0xff
+	if bytes.Equal(pattern[0].Bytes, collectiblePatternPathThumb) {
+		t.Fatal("collectibleDocumentThumbs returned shared mutable bytes")
+	}
+	if model := collectibleDocumentThumbs(domain.StarGiftCollectibleModel); len(model) != 0 {
+		t.Fatalf("model thumbs = %+v, want no synthetic pattern placeholder", model)
+	}
+}