refactor: replace hint feedback with debug crosshair

mise.toml

@@ -28,10 +28,10 @@ arduino-cli compile --fqbn "$FQBN" --libraries ./libraries $LIBS --build-propert
 
 [tasks.upload]
 description = "Upload (uses BOARD env var)"
-depends = ["compile", "kill"]
+depends = ["kill"]
 run = """
 source ./boards/$BOARD/board-config.sh
-arduino-cli upload --fqbn $FQBN --port $PORT ./boards/$BOARD
+arduino-cli upload --fqbn "$FQBN" --port "$PORT" ./boards/$BOARD
 """
 
 [tasks.monitor-raw]
@@ -86,7 +86,7 @@ exit 0
 description = "Monitor agent with JSON log + command pipe (Python-based)"
 depends = ["kill"]
 run = """
-python3 ./scripts/monitor-agent.py "$BOARD"
+python3 ./scripts/monitor-agent.py "$BOARD" &
 """
 
 [tasks.log-tail]
@@ -215,4 +215,4 @@ echo "[OK] Generated .crush.json with FQBN: $FQBN"
 run = "git add .; lumen draft | git commit -F - "
 
 [env]
-BOARD = "esp32-32e"
+BOARD = "esp32-s3-lcd-43"