Add discovery modes, personalization controls, taste profile page, updated pricing

- Discovery modes: Sonic Twin, Era Bridge, Deep Cuts, Rising Artists
- Discovery dial (Safe to Adventurous slider)
- Block genres/moods exclusion
- Thumbs down/dislike on recommendations
- My Taste page with Genre DNA breakdown, audio feature meters, listening personality
- Updated pricing: Free (5/week), Premium ($6.99/mo), Family ($12.99/mo coming soon)
- Weekly rate limiting instead of daily
- Alembic migration for new fields

frontend/src/lib/api.ts

@@ -99,12 +99,38 @@ export interface RecommendationItem {
   bandcamp_url: string | null
   reason: string
   saved: boolean
+  disliked: boolean
   created_at: string
 }
 
 export interface RecommendationResponse {
   recommendations: RecommendationItem[]
-  remaining_today: number
+  remaining_this_week: number
+}
+
+export interface TasteProfileArtist {
+  name: string
+  track_count: number
+  genre: string
+}
+
+export interface TasteProfileResponse {
+  genre_breakdown: { name: string; percentage: number }[]
+  audio_features: {
+    energy: number
+    danceability: number
+    valence: number
+    acousticness: number
+    avg_tempo: number
+  }
+  personality: {
+    label: string
+    description: string
+    icon: string
+  }
+  top_artists: TasteProfileArtist[]
+  track_count: number
+  playlist_count: number
 }
 
 // Auth
@@ -142,11 +168,21 @@ export const importSpotifyPlaylist = (playlistId: string) =>
   api.post<PlaylistDetailResponse>('/spotify/import', { playlist_id: playlistId }).then((r) => r.data)
 
 // Recommendations
-export const generateRecommendations = (playlistId?: string, query?: string, bandcampMode?: boolean) =>
+export const generateRecommendations = (
+  playlistId?: string,
+  query?: string,
+  bandcampMode?: boolean,
+  mode?: string,
+  adventurousness?: number,
+  exclude?: string,
+) =>
   api.post<RecommendationResponse>('/recommendations/generate', {
     playlist_id: playlistId,
     query,
     bandcamp_mode: bandcampMode || false,
+    mode: mode || 'discover',
+    adventurousness: adventurousness ?? 3,
+    exclude: exclude || undefined,
   }).then((r) => r.data)
 
 export const getRecommendationHistory = () =>
@@ -158,6 +194,9 @@ export const getSavedRecommendations = () =>
 export const toggleSaveRecommendation = (id: string) =>
   api.post<{ saved: boolean }>(`/recommendations/${id}/toggle-save`).then((r) => r.data)
 
+export const dislikeRecommendation = (id: string) =>
+  api.post<{ disliked: boolean }>(`/recommendations/${id}/dislike`).then((r) => r.data)
+
 // YouTube Music Import
 export interface YouTubeTrackResult {
   title: string
@@ -239,4 +278,8 @@ export async function getBandcampEmbed(url: string): Promise<BandcampEmbed> {
   return data
 }
 
+// Taste Profile
+export const getTasteProfile = () =>
+  api.get<TasteProfileResponse>('/profile/taste').then((r) => r.data)
+
 export default api