init

src/domain/dto/channel.rs

@@ -42,12 +42,28 @@ pub struct ChannelResponse {
     pub created_at: DateTime<Utc>,
     pub updated_at: DateTime<Utc>,
 
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub unread_count: Option<u64>,
+
     /// None : contexte sans permissions (champ ignoré dans le JSON).
     /// Some(value) : valeur de computed_permission (0 si absente).
     #[serde(skip_serializing_if = "Option::is_none")]
     pub permission: Option<u64>,
 }
 
+#[derive(Debug, Serialize, Deserialize, ToSchema)]
+pub struct ReadStateResponse {
+    pub channel_id: Uuid,
+    pub last_read_message_id: Option<Uuid>,
+    pub updated_at: Option<DateTime<Utc>>,
+    pub unread_count: u64,
+}
+
+#[derive(Debug, Serialize, Deserialize, ToSchema)]
+pub struct SetReadStateRequest {
+    pub last_read_message_id: Option<Uuid>,
+}
+
 #[derive(Debug, Serialize, Deserialize, ToSchema)]
 pub struct SetChannelPermissionRequest {
     /// Bitmask des permissions à appliquer.

src/domain/dto/server.rs

@@ -28,6 +28,8 @@ pub struct ServerResponse {
     pub is_default: bool,
     pub created_at: DateTime<Utc>,
     pub updated_at: DateTime<Utc>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub unread_count: Option<u64>,
 }
 
 #[derive(Debug, Serialize, Deserialize, ToSchema)]