Add portal web simulator, SPI bridges, and Pico firmware updates.

Bring the five-panel hex portal online with a browser 3D/schematic preview, Pi SPI backends, and renamed multi-panel Pico UDP firmware.

Co-authored-by: Cursor <cursoragent@cursor.com>

examples/animations.py

@@ -23,6 +23,7 @@ from leds.panel_udp import (
     animation_playlist,
     format_panel_targets,
     panel_targets_from_args,
+    parse_pins_arg,
     run_panel_animation_loop,
     run_panel_playlist,
 )
@@ -102,6 +103,9 @@ def main() -> int:
                     fps=args.fps,
                     brightness=args.brightness,
                     panel_id=args.panel_id,
+                    sync_send=args.sync_send,
+                    pin=args.pin,
+                    pins=parse_pins_arg(args),
                 )
             else:
                 run_panel_playlist(
@@ -113,6 +117,9 @@ def main() -> int:
                     brightness=args.brightness,
                     panel_id=args.panel_id,
                     loop=not args.once,
+                    sync_send=args.sync_send,
+                    pin=args.pin,
+                    pins=parse_pins_arg(args),
                 )
         except KeyboardInterrupt:
             print("\nStopped.")
@@ -138,7 +145,7 @@ def main() -> int:
         if args.linear:
             with LedStrip(
                 count,
-                backend="spi",
+                backend=strip_cfg.backend,
                 spi_bus=args.spi_bus,
                 spi_device=args.spi_device,
                 brightness=args.brightness,