Added the playlist generator

frontend/src/types.rs

@@ -289,6 +289,88 @@ pub struct SyncStats {
     pub skipped: u64,
 }
 
+// --- Playlists ---
+
+#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
+pub struct GenerateRequest {
+    pub strategy: String,
+    #[serde(default)]
+    pub seed_artists: Vec<String>,
+    #[serde(default)]
+    pub genres: Vec<String>,
+    #[serde(default = "default_playlist_count")]
+    pub count: usize,
+    #[serde(default = "default_popularity_bias")]
+    pub popularity_bias: u8,
+    #[serde(default = "default_ordering")]
+    pub ordering: String,
+    #[serde(default)]
+    pub rules: Option<SmartRulesInput>,
+}
+
+fn default_playlist_count() -> usize {
+    50
+}
+
+fn default_popularity_bias() -> u8 {
+    5
+}
+
+fn default_ordering() -> String {
+    "interleave".into()
+}
+
+#[derive(Debug, Clone, PartialEq, Serialize, Deserialize, Default)]
+pub struct SmartRulesInput {
+    #[serde(default)]
+    pub genres: Vec<String>,
+    pub added_within_days: Option<u32>,
+    pub year_range: Option<(i32, i32)>,
+    #[serde(default)]
+    pub artists: Vec<String>,
+}
+
+#[derive(Debug, Clone, PartialEq, Deserialize)]
+pub struct GeneratedPlaylist {
+    pub tracks: Vec<GeneratedTrack>,
+    pub strategy: String,
+    #[serde(default)]
+    pub resolved_seeds: Vec<String>,
+}
+
+#[derive(Debug, Clone, PartialEq, Deserialize)]
+pub struct GeneratedTrack {
+    pub track_id: i32,
+    pub file_path: String,
+    pub title: Option<String>,
+    pub artist: Option<String>,
+    pub album: Option<String>,
+    pub score: f64,
+    pub duration: Option<f64>,
+}
+
+#[derive(Debug, Clone, PartialEq, Deserialize)]
+pub struct PlaylistSummary {
+    pub id: i32,
+    pub name: String,
+    pub description: Option<String>,
+    pub track_count: u64,
+    pub created_at: String,
+}
+
+#[derive(Debug, Clone, PartialEq, Deserialize)]
+pub struct PlaylistDetail {
+    pub playlist: SavedPlaylist,
+    pub tracks: Vec<Track>,
+}
+
+#[derive(Debug, Clone, PartialEq, Deserialize)]
+pub struct SavedPlaylist {
+    pub id: i32,
+    pub name: String,
+    pub description: Option<String>,
+}
+
 // --- Config ---
 
 #[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]