Wired up printer parts button

backend/app/api/routes/printer_control.py

@@ -595,3 +595,29 @@ async def set_liveview(
         success=success,
         message=f"Live view {'enabled' if request.enable else 'disabled'}" if success else "Failed to set live view"
     )
+
+
+# =============================================================================
+# Status Refresh Endpoint
+# =============================================================================
+
+@router.post("/{printer_id}/control/refresh", response_model=ControlResponse)
+async def refresh_status(
+    printer_id: int,
+    db: AsyncSession = Depends(get_db),
+):
+    """Request a full status update from the printer.
+
+    This sends a 'pushall' command to get the latest data including nozzle info,
+    AMS status, and all other printer state.
+    """
+    await get_printer_or_404(printer_id, db)
+
+    success = printer_manager.request_status_update(printer_id)
+    if not success:
+        raise HTTPException(status_code=503, detail="Printer not connected")
+
+    return ControlResponse(
+        success=success,
+        message="Status refresh requested"
+    )

backend/app/api/routes/printers.py

@@ -21,6 +21,7 @@ from backend.app.schemas.printer import (
     HMSErrorResponse,
     AMSUnit,
     AMSTray,
+    NozzleInfoResponse,
 )
 from backend.app.services.printer_manager import printer_manager
 from backend.app.services.bambu_ftp import (
@@ -183,6 +184,15 @@ async def get_printer_status(printer_id: int, db: AsyncSession = Depends(get_db)
             k=vt_data.get("k"),
         )
 
+    # Convert nozzle info to response format
+    nozzles = [
+        NozzleInfoResponse(
+            nozzle_type=n.nozzle_type,
+            nozzle_diameter=n.nozzle_diameter,
+        )
+        for n in (state.nozzles or [])
+    ]
+
     return PrinterStatus(
         id=printer_id,
         name=printer.name,
@@ -204,6 +214,7 @@ async def get_printer_status(printer_id: int, db: AsyncSession = Depends(get_db)
         sdcard=state.sdcard,
         timelapse=state.timelapse,
         ipcam=state.ipcam,
+        nozzles=nozzles,
     )