ci: fix lint/type errors - missing electrical icons, unused vars, mypy issues

backend/app/api/routes/canvas.py

@@ -42,7 +42,7 @@ async def load_canvas(
 @router.post("/save")
 async def save_canvas(
     body: CanvasSaveRequest, db: AsyncSession = Depends(get_db), _: str = Depends(get_current_user)
-) -> dict[str, bool]:
+) -> dict[str, bool | str]:
     design_id = body.design_id
     if design_id is None:
         first = (await db.execute(select(Design).order_by(Design.created_at).limit(1))).scalar()

backend/app/db/database.py

@@ -186,7 +186,7 @@ async def init_db() -> None:
         # Seed default Network Topology design if designs table is empty
         _default_design_id = str(_uuid_mod.uuid4())
         row = await conn.exec_driver_sql("SELECT COUNT(*) FROM designs")
-        count = (await row.fetchone())[0]
+        count = (row.fetchone())[0]
         if count == 0:
             await conn.exec_driver_sql(
                 "INSERT INTO designs (id, name, design_type, created_at, updated_at) "
@@ -195,7 +195,7 @@ async def init_db() -> None:
             )
         else:
             row2 = await conn.exec_driver_sql("SELECT id FROM designs WHERE design_type = 'network' LIMIT 1")
-            default = await row2.fetchone()
+            default = row2.fetchone()
             _default_design_id = default[0] if default else _default_design_id
 
         # Add design_id to nodes
@@ -261,8 +261,8 @@ async def init_db() -> None:
                 "SELECT id, cpu_model, cpu_count, ram_gb, disk_gb, show_hardware "
                 "FROM nodes WHERE properties IS NULL"
             )
-            for row in rows.fetchall():
-                node_id, cpu_model, cpu_count, ram_gb, disk_gb, show_hardware = row
+            for r in rows.fetchall():
+                node_id, cpu_model, cpu_count, ram_gb, disk_gb, show_hardware = r
                 props = []
                 visible = bool(show_hardware)
                 if cpu_model:

frontend/src/App.tsx

@@ -45,7 +45,7 @@ export default function App() {
   const canvasRef = useRef<HTMLDivElement>(null)
   const { isAuthenticated } = useAuthStore()
   const { activeTheme, setTheme, customStyle, setCustomStyle } = useThemeStore()
-  const { designs, activeDesignId, activeDesignType, setDesigns, setActiveDesign } = useDesignStore()
+  const { activeDesignId, setDesigns, setActiveDesign } = useDesignStore()
 
   useStatusPolling()
 

frontend/src/components/panels/Sidebar.tsx

@@ -5,7 +5,7 @@ import { Tooltip, TooltipContent, TooltipTrigger } from '@/components/ui/tooltip
 import { useCanvasStore } from '@/stores/canvasStore'
 import { useDesignStore } from '@/stores/designStore'
 import { useAuthStore } from '@/stores/authStore'
-import { canvasApi, designsApi, scanApi, settingsApi } from '@/api/client'
+import { designsApi, scanApi, settingsApi } from '@/api/client'
 import { toast } from 'sonner'
 import { useLatestRelease } from '@/hooks/useLatestRelease'
 import {

frontend/src/utils/nodeIcons.ts

@@ -25,6 +25,8 @@ import {
   Mail, MessageSquare, Phone,
   // Misc devices
   Printer, Smartphone, Laptop, Search, Filter, BookOpen, PlugZap, Type,
+  // Electrical
+  ToggleLeft,
 } from 'lucide-react'
 import type { LucideIcon } from 'lucide-react'
 
@@ -154,32 +156,46 @@ export const ICON_MAP: Record<string, LucideIcon> = Object.fromEntries(
 )
 
 export const NODE_TYPE_DEFAULT_ICONS: Record<NodeType, LucideIcon> = {
-  isp:          Globe,
-  router:       Router,
-  firewall:     Flame,
-  switch:       Network,
-  server:       Server,
-  proxmox:      Layers,
-  vm:           Box,
-  lxc:          Container,
-  nas:          HardDrive,
-  iot:          Cpu,
-  ap:           Wifi,
-  camera:       Cctv,
-  printer:      Printer,
-  computer:     Monitor,
-  laptop:       Laptop,
-  mobile:       Smartphone,
-  cpl:          PlugZap,
-  docker_host:       Anchor,
-  docker_container:  Package,
+  isp:              Globe,
+  router:           Router,
+  firewall:         Flame,
+  switch:           Network,
+  server:           Server,
+  proxmox:          Layers,
+  vm:               Box,
+  lxc:              Container,
+  nas:              HardDrive,
+  iot:              Cpu,
+  ap:               Wifi,
+  camera:           Cctv,
+  printer:          Printer,
+  computer:         Monitor,
+  laptop:           Laptop,
+  mobile:           Smartphone,
+  cpl:              PlugZap,
+  docker_host:      Anchor,
+  docker_container: Package,
   zigbee_coordinator: Radio,
   zigbee_router:      Zap,
   zigbee_enddevice:   Lightbulb,
   generic:           Circle,
-  group:        Circle,
-  groupRect:    Circle,
-  text:         Type,
+  group:             Circle,
+  groupRect:         Circle,
+  text:              Type,
+  grid:              Zap,
+  ups:               Power,
+  battery:           BatteryCharging,
+  generator:         Fan,
+  solar_panel:       Sun,
+  inverter:          Workflow,
+  circuit_breaker:   PlugZap,
+  contactor:         ToggleLeft,
+  electrical_switch: ToggleLeft,
+  socket:            Plug,
+  light:             Lightbulb,
+  meter:             Gauge,
+  transformer:       CircleDot,
+  load:              Circle,
 }
 
 /** Resolve the display icon for a node — custom_icon takes priority over type default.