add :emote and :list to chat

crates/chattyness-user-ui/src/api/avatars.rs

@@ -10,7 +10,7 @@ use axum::{
 use sqlx::PgPool;
 
 use chattyness_db::{
-    models::AvatarRenderData,
+    models::{AvatarRenderData, EmotionAvailability},
     queries::{avatars, realms},
 };
 use chattyness_error::AppError;
@@ -37,3 +37,25 @@ pub async fn get_current_avatar(
 
     Ok(Json(render_data))
 }
+
+/// Get emotion availability for the user's avatar.
+///
+/// GET /api/realms/{slug}/avatar/emotions
+///
+/// Returns which emotions are available (have configured assets) for the user's
+/// active avatar in this realm, along with preview paths for the emotion picker UI.
+pub async fn get_emotion_availability(
+    State(pool): State<PgPool>,
+    AuthUser(user): AuthUser,
+    Path(slug): Path<String>,
+) -> Result<Json<EmotionAvailability>, AppError> {
+    // Get realm
+    let realm = realms::get_realm_by_slug(&pool, &slug)
+        .await?
+        .ok_or_else(|| AppError::NotFound(format!("Realm '{}' not found", slug)))?;
+
+    // Get emotion availability
+    let availability = avatars::get_emotion_availability(&pool, user.id, realm.id).await?;
+
+    Ok(Json(availability))
+}