big update: added reactions, groups, media share

server/internal/store/store.go

@@ -42,9 +42,18 @@ type Session struct {
 type Conversation struct {
 	ID        int64
 	Type      string
+	Name      string
+	Avatar    string
 	CreatedAt time.Time
 }
 
+// MemberInfo describes a conversation participant together with their profile.
+type MemberInfo struct {
+	User     User
+	Role     string
+	JoinedAt time.Time
+}
+
 // ConversationSummary provides a conversation with its last message and unread count.
 type ConversationSummary struct {
 	Conversation
@@ -58,6 +67,7 @@ type Message struct {
 	ConversationID int64
 	SenderID       int64
 	Body           string
+	MediaID        *int64
 	CreatedAt      time.Time
 	EditedAt       *time.Time
 	DeletedAt      *time.Time