feat(videos): add video icons to setlists and song versions

- Backend: Added video_links relationship to Performance model
- Backend: Updated shows and songs routers to eager-load videos and populate youtube_link
- Frontend: Added YouTube icon to performance list items if video exists

backend/models.py

@@ -22,6 +22,7 @@ class Performance(SQLModel, table=True):
     nicknames: List["PerformanceNickname"] = Relationship(back_populates="performance")
     show: "Show" = Relationship(back_populates="performances")
     song: "Song" = Relationship()
+    video_links: List["VideoPerformance"] = Relationship(back_populates="performance")
 
 class ShowArtist(SQLModel, table=True):
     id: Optional[int] = Field(default=None, primary_key=True)
@@ -696,7 +697,7 @@ class VideoPerformance(SQLModel, table=True):
     notes: Optional[str] = Field(default=None)
     
     video: Video = Relationship(back_populates="performances")
-    performance: "Performance" = Relationship()
+    performance: "Performance" = Relationship(back_populates="video_links")
 
 
 class VideoSong(SQLModel, table=True):

backend/routers/shows.py

@@ -164,7 +164,17 @@ def read_upcoming_shows(
 
 @router.get("/{slug}", response_model=ShowRead)
 def read_show(slug: str, session: Session = Depends(get_session)):
-    show = session.exec(select(Show).where(Show.slug == slug)).first()
+    from sqlalchemy.orm import selectinload, joinedload
+    from models import Performance, VideoPerformance, Video, VideoPlatform
+    
+    # Eager load relationships clearly
+    show = session.exec(
+        select(Show)
+        .options(
+            selectinload(Show.performances).selectinload(Performance.video_links).joinedload(VideoPerformance.video)
+        )
+        .where(Show.slug == slug)
+    ).first()
         
     if not show:
         raise HTTPException(status_code=404, detail="Show not found")
@@ -176,15 +186,6 @@ def read_show(slug: str, session: Session = Depends(get_session)):
         .where(EntityTag.entity_id == show.id)
     ).all()
     
-    # Manually populate performances to ensure nicknames are filtered if needed
-    # (Though for now we just return all, or filter approved in schema if we had a custom getter)
-    # The relationship `show.performances` is already loaded if we access it, but we might want to sort.
-    
-    # Re-fetch show with relationships if needed, or just rely on lazy loading + validation
-    # But for nicknames, we only want "approved" ones usually.
-    # Let's let the frontend filter or do it here.
-    # Doing it here is safer.
-    
     show_data = ShowRead.model_validate(show)
     show_data.tags = tags
     
@@ -195,10 +196,17 @@ def read_show(slug: str, session: Session = Depends(get_session)):
     # Sort performances by position
     sorted_perfs = sorted(show.performances, key=lambda p: p.position)
     
-    # Filter nicknames for each performance
+    # Process performances: Filter nicknames and populate video links
     for perf in sorted_perfs:
         perf.nicknames = [n for n in perf.nicknames if n.status == "approved"]
         
+        # Backfill youtube_link from Video entity if not present
+        if not perf.youtube_link and perf.video_links:
+            for link in perf.video_links:
+                if link.video and link.video.platform == VideoPlatform.YOUTUBE:
+                    perf.youtube_link = link.video.url
+                    break
+        
     show_data.performances = sorted_perfs
     
     return show_data

backend/routers/songs.py

@@ -59,10 +59,17 @@ def read_song(slug: str, session: Session = Depends(get_session)):
         .where(EntityTag.entity_id == song_id)
     ).all()
     
-    # Fetch performances
+    # Fetch performances with video links
+    from sqlalchemy.orm import selectinload, joinedload
+    from models import VideoPerformance
+    from models import Video, VideoPlatform
+
     perfs = session.exec(
         select(Performance)
         .join(Show)
+        .options(
+            selectinload(Performance.video_links).joinedload(VideoPerformance.video)
+        )
         .where(Performance.song_id == song_id)
         .order_by(Show.date.desc())
     ).all()
@@ -97,9 +104,18 @@ def read_song(slug: str, session: Session = Depends(get_session)):
                  venue_state = p.show.venue.state
         
         r_stats = rating_stats.get(p.id, {"avg": 0.0, "count": 0})
+        
+        # Backfill youtube_link
+        youtube_link = p.youtube_link
+        if not youtube_link and p.video_links:
+            for link in p.video_links:
+                if link.video and link.video.platform == VideoPlatform.YOUTUBE:
+                    youtube_link = link.video.url
+                    break
                  
         perf_dtos.append(PerformanceReadWithShow(
             **p.model_dump(),
+            youtube_link=youtube_link,
             show_date=show_date,
             show_slug=show_slug,
             venue_name=venue_name,

frontend/components/songs/performance-list.tsx

@@ -5,7 +5,7 @@ import Link from "next/link"
 import { Badge } from "@/components/ui/badge"
 import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card"
 import { RatePerformanceDialog } from "@/components/songs/rate-performance-dialog"
-import { Star, Music } from "lucide-react"
+import { Star, Music, Youtube } from "lucide-react"
 import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from "@/components/ui/select"
 
 export interface Performance {
@@ -23,6 +23,7 @@ export interface Performance {
     venue_state: string | null
     avg_rating: number
     total_reviews: number
+    youtube_link?: string | null
 }
 
 interface PerformanceListProps {
@@ -98,6 +99,17 @@ export function PerformanceList({ performances }: PerformanceListProps) {
                                         <span className="text-xs text-muted-foreground uppercase tracking-wider font-mono">
                                             {perf.set_name || "Set ?"}
                                         </span>
+                                        {perf.youtube_link && (
+                                            <a
+                                                href={perf.youtube_link}
+                                                target="_blank"
+                                                rel="noopener noreferrer"
+                                                className="text-red-500 hover:text-red-600 transition-colors"
+                                                title="Watch Video"
+                                            >
+                                                <Youtube className="h-4 w-4" />
+                                            </a>
+                                        )}
                                     </div>
                                     <div className="text-sm text-muted-foreground truncate">
                                         {perf.venue_name} • {perf.venue_city}{perf.venue_state ? `, ${perf.venue_state}` : ""}