wip: magazine tile layout, film descriptions, dev script fixes

- MagazineGrid: New Yorker tile layout with wide/half/dark/banner tiles
- Extract AI film descriptions into synopsis field
- Fix section extraction to handle ### headers
- Strip emojis from magazine titles and content
- FilmDetail: conditional synopsis with "Why watch" header
- FilmCard: synopsis preview for external films
- Consolidate dev server to single script
- Fix dev.sh for macOS bash 3.2 compatibility

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

packages/app/scripts/dev.sh

@@ -7,23 +7,24 @@ set -euo pipefail
 SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
 APP_DIR="$(cd "$SCRIPT_DIR/.." && pwd)"
 
+cd "$APP_DIR"
+
 cleanup() {
-  # Kill all child processes
   kill 0 2>/dev/null || true
   wait 2>/dev/null || true
 }
 trap cleanup EXIT INT TERM
 
+# Use local node_modules binaries
+BIN="$APP_DIR/node_modules/.bin"
+
 # Start Claude proxy in background
-npx tsx "$APP_DIR/server/claude-proxy.ts" &
-PROXY_PID=$!
+"$BIN/tsx" server/claude-proxy.ts &
 
-# Give proxy a moment to bind port
 sleep 0.3
 
-# Start Vite dev server in foreground
-npx vite --host &
-VITE_PID=$!
+# Start Vite dev server in background
+"$BIN/vite" --host &
 
-# Wait for either to exit — then cleanup kills both
-wait -n $PROXY_PID $VITE_PID 2>/dev/null || true
+# Wait for all background jobs (compatible with bash 3.2 on macOS)
+wait