CUB-134: Build Printers list page

backend/internal/handlers/material_finish_handler.go

@@ -1,34 +0,0 @@
-package handlers
-
-import (
-	"log/slog"
-	"net/http"
-
-	"github.com/CubeCraft-Creations/Extrudex/backend/internal/dtos"
-	"github.com/CubeCraft-Creations/Extrudex/backend/internal/repositories"
-)
-
-// MaterialFinishHandler handles requests for material finish lookup data.
-type MaterialFinishHandler struct {
-	repo *repositories.MaterialFinishRepository
-}
-
-// NewMaterialFinishHandler creates a MaterialFinishHandler with the given repository.
-func NewMaterialFinishHandler(repo *repositories.MaterialFinishRepository) *MaterialFinishHandler {
-	return &MaterialFinishHandler{repo: repo}
-}
-
-// List handles GET /api/finishes — returns all material finishes.
-func (h *MaterialFinishHandler) List(w http.ResponseWriter, r *http.Request) {
-	finishes, err := h.repo.GetAll(r.Context())
-	if err != nil {
-		slog.Error("failed to list finishes", "error", err)
-		writeJSON(w, http.StatusInternalServerError, dtos.ErrorResponse{
-			Error: "internal server error",
-			Code:  http.StatusInternalServerError,
-		})
-		return
-	}
-
-	writeJSON(w, http.StatusOK, dtos.SingleResponse{Data: finishes})
-}

backend/internal/handlers/material_modifier_handler.go

@@ -1,34 +0,0 @@
-package handlers
-
-import (
-	"log/slog"
-	"net/http"
-
-	"github.com/CubeCraft-Creations/Extrudex/backend/internal/dtos"
-	"github.com/CubeCraft-Creations/Extrudex/backend/internal/repositories"
-)
-
-// MaterialModifierHandler handles requests for material modifier lookup data.
-type MaterialModifierHandler struct {
-	repo *repositories.MaterialModifierRepository
-}
-
-// NewMaterialModifierHandler creates a MaterialModifierHandler with the given repository.
-func NewMaterialModifierHandler(repo *repositories.MaterialModifierRepository) *MaterialModifierHandler {
-	return &MaterialModifierHandler{repo: repo}
-}
-
-// List handles GET /api/modifiers — returns all material modifiers.
-func (h *MaterialModifierHandler) List(w http.ResponseWriter, r *http.Request) {
-	modifiers, err := h.repo.GetAll(r.Context())
-	if err != nil {
-		slog.Error("failed to list modifiers", "error", err)
-		writeJSON(w, http.StatusInternalServerError, dtos.ErrorResponse{
-			Error: "internal server error",
-			Code:  http.StatusInternalServerError,
-		})
-		return
-	}
-
-	writeJSON(w, http.StatusOK, dtos.SingleResponse{Data: modifiers})
-}

backend/internal/repositories/material_finish_repository.go

@@ -1,50 +0,0 @@
-package repositories
-
-import (
-	"context"
-
-	"github.com/CubeCraft-Creations/Extrudex/backend/internal/models"
-	"github.com/jackc/pgx/v5/pgxpool"
-)
-
-// MaterialFinishRepository handles database queries for material finishes.
-type MaterialFinishRepository struct {
-	pool *pgxpool.Pool
-}
-
-// NewMaterialFinishRepository creates a MaterialFinishRepository backed by the given pool.
-func NewMaterialFinishRepository(pool *pgxpool.Pool) *MaterialFinishRepository {
-	return &MaterialFinishRepository{pool: pool}
-}
-
-// GetAll returns all material finishes ordered by name.
-func (r *MaterialFinishRepository) GetAll(ctx context.Context) ([]models.MaterialFinish, error) {
-	rows, err := r.pool.Query(ctx, `
-		SELECT id, name, description, created_at, updated_at
-		FROM material_finishes
-		ORDER BY name
-	`)
-	if err != nil {
-		return nil, err
-	}
-	defer rows.Close()
-
-	var finishes []models.MaterialFinish
-	for rows.Next() {
-		var f models.MaterialFinish
-		if err := rows.Scan(
-			&f.ID, &f.Name, &f.Description,
-			&f.CreatedAt, &f.UpdatedAt,
-		); err != nil {
-			return nil, err
-		}
-		finishes = append(finishes, f)
-	}
-	if err := rows.Err(); err != nil {
-		return nil, err
-	}
-	if finishes == nil {
-		finishes = []models.MaterialFinish{}
-	}
-	return finishes, nil
-}

backend/internal/repositories/material_modifier_repository.go

@@ -1,50 +0,0 @@
-package repositories
-
-import (
-	"context"
-
-	"github.com/CubeCraft-Creations/Extrudex/backend/internal/models"
-	"github.com/jackc/pgx/v5/pgxpool"
-)
-
-// MaterialModifierRepository handles database queries for material modifiers.
-type MaterialModifierRepository struct {
-	pool *pgxpool.Pool
-}
-
-// NewMaterialModifierRepository creates a MaterialModifierRepository backed by the given pool.
-func NewMaterialModifierRepository(pool *pgxpool.Pool) *MaterialModifierRepository {
-	return &MaterialModifierRepository{pool: pool}
-}
-
-// GetAll returns all material modifiers ordered by name.
-func (r *MaterialModifierRepository) GetAll(ctx context.Context) ([]models.MaterialModifier, error) {
-	rows, err := r.pool.Query(ctx, `
-		SELECT id, name, description, created_at, updated_at
-		FROM material_modifiers
-		ORDER BY name
-	`)
-	if err != nil {
-		return nil, err
-	}
-	defer rows.Close()
-
-	var modifiers []models.MaterialModifier
-	for rows.Next() {
-		var m models.MaterialModifier
-		if err := rows.Scan(
-			&m.ID, &m.Name, &m.Description,
-			&m.CreatedAt, &m.UpdatedAt,
-		); err != nil {
-			return nil, err
-		}
-		modifiers = append(modifiers, m)
-	}
-	if err := rows.Err(); err != nil {
-		return nil, err
-	}
-	if modifiers == nil {
-		modifiers = []models.MaterialModifier{}
-	}
-	return modifiers, nil
-}

backend/internal/router/router.go

@@ -45,8 +45,6 @@ func New(cfg *config.Config, dbPool *pgxpool.Pool, sseBC *sse.Broadcaster) chi.R
 
 	// ── Repositories ──────────────────────────────────────────────────────
 	materialRepo := repositories.NewMaterialRepository(dbPool)
-	finishRepo := repositories.NewMaterialFinishRepository(dbPool)
-	modifierRepo := repositories.NewMaterialModifierRepository(dbPool)
 	filamentRepo := repositories.NewFilamentRepository(dbPool)
 	printerRepo := repositories.NewPrinterRepository(dbPool)
 	printJobRepo := repositories.NewPrintJobRepository(dbPool)
@@ -59,8 +57,6 @@ func New(cfg *config.Config, dbPool *pgxpool.Pool, sseBC *sse.Broadcaster) chi.R
 
 	// ── Handlers ──────────────────────────────────────────────────────────
 	materialHandler := handlers.NewMaterialHandler(materialRepo)
-	finishHandler := handlers.NewMaterialFinishHandler(finishRepo)
-	modifierHandler := handlers.NewMaterialModifierHandler(modifierRepo)
 	filamentHandler := handlers.NewFilamentHandler(filamentService)
 	printerHandler := handlers.NewPrinterHandler(printerService)
 	printJobHandler := handlers.NewPrintJobHandler(printJobService)
@@ -70,8 +66,6 @@ func New(cfg *config.Config, dbPool *pgxpool.Pool, sseBC *sse.Broadcaster) chi.R
 	r.Route("/api", func(r chi.Router) {
 		r.Use(middleware.Timeout(60 * time.Second))
 		r.Get("/materials", materialHandler.List)
-		r.Get("/finishes", finishHandler.List)
-		r.Get("/modifiers", modifierHandler.List)
 
 		r.Route("/filaments", func(r chi.Router) {
 			r.Get("/", filamentHandler.List)

frontend/src/App.tsx

@@ -1,10 +1,29 @@
 import { QueryClient, QueryClientProvider } from '@tanstack/react-query'
-import { BrowserRouter, Routes, Route } from 'react-router-dom'
+import { BrowserRouter, Routes, Route, NavLink } from 'react-router-dom'
-import Dashboard from './pages/Dashboard'
+import { Box, Printer } from 'lucide-react'
 import InventoryPage from './pages/InventoryPage'
+import PrintersPage from './pages/PrintersPage'
 
 const queryClient = new QueryClient()
 
+function NavItem({ to, icon: Icon, label }: { to: string; icon: React.ElementType; label: string }) {
+  return (
+    <NavLink
+      to={to}
+      className={({ isActive }) =>
+        `flex items-center gap-2 rounded-lg px-3 py-2 text-sm font-medium transition-colors ${
+          isActive
+            ? 'bg-emerald-600/20 text-emerald-300'
+            : 'text-slate-300 hover:bg-slate-700/50 hover:text-slate-100'
+        }`
+      }
+    >
+      <Icon size={16} />
+      <span>{label}</span>
+    </NavLink>
+  )
+}
+
 export default function App() {
   return (
     <QueryClientProvider client={queryClient}>
@@ -13,11 +32,20 @@ export default function App() {
           <header className="bg-slate-800 border-b border-slate-700 px-4 py-3 flex items-center gap-3 sticky top-0 z-20">
             <div className="w-8 h-8 rounded bg-emerald-500 flex items-center justify-center text-slate-900 font-bold text-lg">E</div>
             <h1 className="text-lg font-semibold">Extrudex</h1>
+            <nav className="ml-4 hidden sm:flex items-center gap-1">
+              <NavItem to="/" icon={Box} label="Inventory" />
+              <NavItem to="/printers" icon={Printer} label="Printers" />
+            </nav>
           </header>
+          {/* Mobile nav */}
+          <nav className="sm:hidden bg-slate-800 border-b border-slate-700 px-4 py-2 flex items-center gap-1">
+            <NavItem to="/" icon={Box} label="Inventory" />
+            <NavItem to="/printers" icon={Printer} label="Printers" />
+          </nav>
           <main className="p-4">
             <Routes>
-              <Route path="/" element={<Dashboard />} />
+              <Route path="/" element={<InventoryPage />} />
-              <Route path="/inventory" element={<InventoryPage />} />
+              <Route path="/printers" element={<PrintersPage />} />
             </Routes>
           </main>
         </div>

frontend/src/components/FilamentForm.tsx

@@ -1,360 +0,0 @@
-import { useState, useEffect, useMemo } from 'react'
-import { X, Save, AlertCircle } from 'lucide-react'
-import ColorSwatch from './ColorSwatch'
-import { createFilament, updateFilament, fetchMaterialBases, fetchMaterialFinishes, fetchMaterialModifiers } from '../services/filamentService'
-import type { FilamentSpool, MaterialBase, MaterialFinish, MaterialModifier } from '../types/filament'
-import { useQuery } from '@tanstack/react-query'
-
-interface FilamentFormProps {
-  mode: 'create' | 'edit'
-  initialData?: FilamentSpool | null
-  onClose: () => void
-  onSuccess: () => void
-}
-
-interface FormErrors {
-  [key: string]: string
-}
-
-export default function FilamentForm({ mode, initialData, onClose, onSuccess }: FilamentFormProps) {
-  const [name, setName] = useState('')
-  const [materialBaseId, setMaterialBaseId] = useState('')
-  const [materialFinishId, setMaterialFinishId] = useState('1')
-  const [materialModifierId, setMaterialModifierId] = useState('')
-  const [colorHex, setColorHex] = useState('#3B82F6')
-  const [brand, setBrand] = useState('')
-  const [diameterMm, setDiameterMm] = useState('1.75')
-  const [initialGrams, setInitialGrams] = useState('')
-  const [remainingGrams, setRemainingGrams] = useState('')
-  const [costUsd, setCostUsd] = useState('')
-  const [lowStockThreshold, setLowStockThreshold] = useState('50')
-  const [notes, setNotes] = useState('')
-  const [barcode, setBarcode] = useState('')
-  const [errors, setErrors] = useState<FormErrors>({})
-  const [submitting, setSubmitting] = useState(false)
-  const [submitError, setSubmitError] = useState<string | null>(null)
-
-  const { data: materials } = useQuery({
-    queryKey: ['materials'],
-    queryFn: fetchMaterialBases,
-    staleTime: Infinity,
-  })
-  const { data: finishes } = useQuery({
-    queryKey: ['finishes'],
-    queryFn: fetchMaterialFinishes,
-    staleTime: Infinity,
-  })
-  const { data: modifiers } = useQuery({
-    queryKey: ['modifiers'],
-    queryFn: fetchMaterialModifiers,
-    staleTime: Infinity,
-  })
-
-  useEffect(() => {
-    if (mode === 'edit' && initialData) {
-      setName(initialData.name ?? '')
-      setMaterialBaseId(String(initialData.material_base_id ?? ''))
-      setMaterialFinishId(String(initialData.material_finish_id ?? '1'))
-      setMaterialModifierId(initialData.material_modifier_id ? String(initialData.material_modifier_id) : '')
-      setColorHex(initialData.color_hex ?? '#3B82F6')
-      setBrand(initialData.brand ?? '')
-      setDiameterMm(String(initialData.diameter_mm ?? 1.75))
-      setInitialGrams(String(initialData.initial_grams ?? ''))
-      setRemainingGrams(String(initialData.remaining_grams ?? ''))
-      setCostUsd(initialData.cost_usd != null ? String(initialData.cost_usd) : '')
-      setLowStockThreshold(String(initialData.low_stock_threshold_grams ?? 50))
-      setNotes(initialData.notes ?? '')
-      setBarcode(initialData.barcode ?? '')
-    }
-  }, [mode, initialData])
-
-  const colorHexValid = useMemo(() => {
-    return /^#[0-9A-Fa-f]{6}$/.test(colorHex)
-  }, [colorHex])
-
-  function validate(): FormErrors {
-    const e: FormErrors = {}
-    if (!name.trim()) e.name = 'Name is required'
-    if (!materialBaseId) e.material_base_id = 'Material Base is required'
-    if (!materialFinishId) e.material_finish_id = 'Material Finish is required'
-    if (!colorHexValid) e.color_hex = 'Enter a valid hex color (e.g., #FF0000)'
-    if (!initialGrams || Number(initialGrams) <= 0) e.initial_grams = 'Must be > 0'
-    if (remainingGrams === '' || Number(remainingGrams) < 0) e.remaining_grams = 'Must be >= 0'
-    if (Number(remainingGrams) > Number(initialGrams)) e.remaining_grams = 'Cannot exceed Initial Grams'
-    if (costUsd && Number(costUsd) < 0) e.cost_usd = 'Must be >= 0'
-    if (!diameterMm || Number(diameterMm) <= 0) e.diameter_mm = 'Must be > 0'
-    if (!lowStockThreshold || Number(lowStockThreshold) < 0) e.low_stock_threshold_grams = 'Must be >= 0'
-    return e
-  }
-
-  async function handleSubmit(e: React.FormEvent) {
-    e.preventDefault()
-    setSubmitError(null)
-    const validation = validate()
-    if (Object.keys(validation).length > 0) {
-      setErrors(validation)
-      return
-    }
-    setErrors({})
-    setSubmitting(true)
-
-    const payload: Record<string, unknown> = {
-      name: name.trim(),
-      material_base_id: Number(materialBaseId),
-      material_finish_id: Number(materialFinishId),
-      color_hex: colorHex,
-      initial_grams: Number(initialGrams),
-      remaining_grams: Number(remainingGrams),
-      diameter_mm: Number(diameterMm),
-      low_stock_threshold_grams: Number(lowStockThreshold),
-    }
-
-    if (materialModifierId) payload.material_modifier_id = Number(materialModifierId)
-    if (brand.trim()) payload.brand = brand.trim()
-    if (costUsd) payload.cost_usd = Number(costUsd)
-    if (notes.trim()) payload.notes = notes.trim()
-    if (barcode.trim()) payload.barcode = barcode.trim()
-
-    try {
-      if (mode === 'edit' && initialData) {
-        await updateFilament(initialData.id, payload)
-      } else {
-        await createFilament(payload)
-      }
-      onSuccess()
-      onClose()
-    } catch (err: any) {
-      setSubmitError(err?.response?.data?.error || 'Failed to save spool. Please try again.')
-    } finally {
-      setSubmitting(false)
-    }
-  }
-
-  return (
-    <div className="fixed inset-0 z-50 flex items-start justify-center sm:items-center bg-black/60 backdrop-blur-sm p-4 overflow-y-auto">
-      <div className="w-full max-w-2xl rounded-xl bg-slate-800 border border-slate-700 shadow-2xl overflow-hidden my-4">
-        {/* Header */}
-        <div className="flex items-center justify-between px-6 py-4 border-b border-slate-700">
-          <h3 className="text-lg font-semibold text-slate-100">
-            {mode === 'edit' ? 'Edit Filament Spool' : 'Add Filament Spool'}
-          </h3>
-          <button
-            onClick={onClose}
-            className="p-1.5 rounded-lg text-slate-400 hover:text-slate-100 hover:bg-slate-700 transition-colors"
-            type="button"
-            aria-label="Close"
-          >
-            <X size={18} />
-          </button>
-        </div>
-
-        {/* Error banner */}
-        {submitError && (
-          <div className="mx-6 mt-4 flex items-start gap-2 rounded-lg bg-red-900/30 border border-red-700 px-4 py-3 text-sm text-red-300">
-            <AlertCircle size={16} className="shrink-0 mt-0.5" />
-            <span>{submitError}</span>
-          </div>
-        )}
-
-        {/* Form */}
-        <form onSubmit={handleSubmit} className="px-6 py-4 space-y-5">
-          {/* Row 1: Name + Brand */}
-          <div className="grid grid-cols-1 sm:grid-cols-2 gap-4">
-            <div>
-              <label className="block text-sm font-medium text-slate-300 mb-1">Name <span className="text-red-400">*</span></label>
-              <input
-                type="text"
-                value={name}
-                onChange={e => setName(e.target.value)}
-                className={`w-full rounded-lg bg-slate-900 border px-3 py-2.5 text-sm text-slate-100 focus:outline-none focus:ring-2 ${errors.name ? 'border-red-500 focus:ring-red-500' : 'border-slate-600 focus:ring-emerald-500'}`}
-                placeholder="e.g. Sunlu PLA Silk Red"
-              />
-              {errors.name && <p className="mt-1 text-xs text-red-400">{errors.name}</p>}
-            </div>
-            <div>
-              <label className="block text-sm font-medium text-slate-300 mb-1">Brand</label>
-              <input
-                type="text"
-                value={brand}
-                onChange={e => setBrand(e.target.value)}
-                className="w-full rounded-lg bg-slate-900 border border-slate-600 px-3 py-2.5 text-sm text-slate-100 focus:outline-none focus:ring-2 focus:ring-emerald-500"
-                placeholder="e.g. Hatchbox"
-              />
-            </div>
-          </div>
-
-          {/* Row 2: Material Base + Finish + Modifier */}
-          <div className="grid grid-cols-1 sm:grid-cols-3 gap-4">
-            <div>
-              <label className="block text-sm font-medium text-slate-300 mb-1">Material Base <span className="text-red-400">*</span></label>
-              <select
-                value={materialBaseId}
-                onChange={e => setMaterialBaseId(e.target.value)}
-                className={`w-full rounded-lg bg-slate-900 border px-3 py-2.5 text-sm text-slate-100 focus:outline-none focus:ring-2 ${errors.material_base_id ? 'border-red-500 focus:ring-red-500' : 'border-slate-600 focus:ring-emerald-500'}`}
-              >
-                <option value="">Select…</option>
-                {materials?.map((m: MaterialBase) => (
-                  <option key={m.id} value={m.id}>{m.name}</option>
-                ))}
-              </select>
-              {errors.material_base_id && <p className="mt-1 text-xs text-red-400">{errors.material_base_id}</p>}
-            </div>
-            <div>
-              <label className="block text-sm font-medium text-slate-300 mb-1">Finish <span className="text-red-400">*</span></label>
-              <select
-                value={materialFinishId}
-                onChange={e => setMaterialFinishId(e.target.value)}
-                className={`w-full rounded-lg bg-slate-900 border px-3 py-2.5 text-sm text-slate-100 focus:outline-none focus:ring-2 ${errors.material_finish_id ? 'border-red-500 focus:ring-red-500' : 'border-slate-600 focus:ring-emerald-500'}`}
-              >
-                {finishes?.map((f: MaterialFinish) => (
-                  <option key={f.id} value={f.id}>{f.name}</option>
-                ))}
-              </select>
-              {errors.material_finish_id && <p className="mt-1 text-xs text-red-400">{errors.material_finish_id}</p>}
-            </div>
-            <div>
-              <label className="block text-sm font-medium text-slate-300 mb-1">Modifier</label>
-              <select
-                value={materialModifierId}
-                onChange={e => setMaterialModifierId(e.target.value)}
-                className="w-full rounded-lg bg-slate-900 border border-slate-600 px-3 py-2.5 text-sm text-slate-100 focus:outline-none focus:ring-2 focus:ring-emerald-500"
-              >
-                <option value="">None</option>
-                {modifiers?.map((m: MaterialModifier) => (
-                  <option key={m.id} value={m.id}>{m.name}</option>
-                ))}
-              </select>
-            </div>
-          </div>
-
-          {/* Row 3: Color + Diameter */}
-          <div className="grid grid-cols-1 sm:grid-cols-2 gap-4">
-            <div>
-              <label className="block text-sm font-medium text-slate-300 mb-1">Color <span className="text-red-400">*</span></label>
-              <div className="flex items-center gap-3">
-                <input
-                  type="color"
-                  value={colorHex}
-                  onChange={e => setColorHex(e.target.value)}
-                  className="h-10 w-14 rounded border border-slate-600 bg-slate-900 cursor-pointer"
-                />
-                <div className="flex-1">
-                  <input
-                    type="text"
-                    value={colorHex}
-                    onChange={e => setColorHex(e.target.value)}
-                    className={`w-full rounded-lg bg-slate-900 border px-3 py-2.5 text-sm text-slate-100 font-mono uppercase focus:outline-none focus:ring-2 ${errors.color_hex ? 'border-red-500 focus:ring-red-500' : 'border-slate-600 focus:ring-emerald-500'}`}
-                    placeholder="#FF0000"
-                    maxLength={7}
-                  />
-                </div>
-                <ColorSwatch colorHex={colorHex} size={32} />
-              </div>
-              {errors.color_hex && <p className="mt-1 text-xs text-red-400">{errors.color_hex}</p>}
-            </div>
-            <div>
-              <label className="block text-sm font-medium text-slate-300 mb-1">Diameter (mm) <span className="text-red-400">*</span></label>
-              <input
-                type="number"
-                step="0.01"
-                value={diameterMm}
-                onChange={e => setDiameterMm(e.target.value)}
-                className={`w-full rounded-lg bg-slate-900 border px-3 py-2.5 text-sm text-slate-100 focus:outline-none focus:ring-2 ${errors.diameter_mm ? 'border-red-500 focus:ring-red-500' : 'border-slate-600 focus:ring-emerald-500'}`}
-              />
-              {errors.diameter_mm && <p className="mt-1 text-xs text-red-400">{errors.diameter_mm}</p>}
-            </div>
-          </div>
-
-          {/* Row 4: Grams */}
-          <div className="grid grid-cols-1 sm:grid-cols-3 gap-4">
-            <div>
-              <label className="block text-sm font-medium text-slate-300 mb-1">Initial Grams <span className="text-red-400">*</span></label>
-              <input
-                type="number"
-                value={initialGrams}
-                onChange={e => setInitialGrams(e.target.value)}
-                className={`w-full rounded-lg bg-slate-900 border px-3 py-2.5 text-sm text-slate-100 focus:outline-none focus:ring-2 ${errors.initial_grams ? 'border-red-500 focus:ring-red-500' : 'border-slate-600 focus:ring-emerald-500'}`}
-              />
-              {errors.initial_grams && <p className="mt-1 text-xs text-red-400">{errors.initial_grams}</p>}
-            </div>
-            <div>
-              <label className="block text-sm font-medium text-slate-300 mb-1">Remaining Grams <span className="text-red-400">*</span></label>
-              <input
-                type="number"
-                value={remainingGrams}
-                onChange={e => setRemainingGrams(e.target.value)}
-                className={`w-full rounded-lg bg-slate-900 border px-3 py-2.5 text-sm text-slate-100 focus:outline-none focus:ring-2 ${errors.remaining_grams ? 'border-red-500 focus:ring-red-500' : 'border-slate-600 focus:ring-emerald-500'}`}
-              />
-              {errors.remaining_grams && <p className="mt-1 text-xs text-red-400">{errors.remaining_grams}</p>}
-            </div>
-            <div>
-              <label className="block text-sm font-medium text-slate-300 mb-1">Cost (USD)</label>
-              <input
-                type="number"
-                step="0.01"
-                value={costUsd}
-                onChange={e => setCostUsd(e.target.value)}
-                className={`w-full rounded-lg bg-slate-900 border px-3 py-2.5 text-sm text-slate-100 focus:outline-none focus:ring-2 ${errors.cost_usd ? 'border-red-500 focus:ring-red-500' : 'border-slate-600 focus:ring-emerald-500'}`}
-              />
-            </div>
-          </div>
-
-          {/* Row 5: Threshold + Barcode */}
-          <div className="grid grid-cols-1 sm:grid-cols-2 gap-4">
-            <div>
-              <label className="block text-sm font-medium text-slate-300 mb-1">Low Stock Threshold (g) <span className="text-red-400">*</span></label>
-              <input
-                type="number"
-                value={lowStockThreshold}
-                onChange={e => setLowStockThreshold(e.target.value)}
-                className={`w-full rounded-lg bg-slate-900 border px-3 py-2.5 text-sm text-slate-100 focus:outline-none focus:ring-2 ${errors.low_stock_threshold_grams ? 'border-red-500 focus:ring-red-500' : 'border-slate-600 focus:ring-emerald-500'}`}
-              />
-              {errors.low_stock_threshold_grams && <p className="mt-1 text-xs text-red-400">{errors.low_stock_threshold_grams}</p>}
-            </div>
-            <div>
-              <label className="block text-sm font-medium text-slate-300 mb-1">Barcode</label>
-              <input
-                type="text"
-                value={barcode}
-                onChange={e => setBarcode(e.target.value)}
-                className="w-full rounded-lg bg-slate-900 border border-slate-600 px-3 py-2.5 text-sm text-slate-100 focus:outline-none focus:ring-2 focus:ring-emerald-500"
-                placeholder="e.g. 123456789012"
-              />
-            </div>
-          </div>
-
-          {/* Notes */}
-          <div>
-            <label className="block text-sm font-medium text-slate-300 mb-1">Notes</label>
-            <textarea
-              rows={3}
-              value={notes}
-              onChange={e => setNotes(e.target.value)}
-              className="w-full rounded-lg bg-slate-900 border border-slate-600 px-3 py-2.5 text-sm text-slate-100 focus:outline-none focus:ring-2 focus:ring-emerald-500 resize-y"
-              placeholder="Print temperature tips, storage notes, etc."
-            />
-          </div>
-
-          {/* Footer actions */}
-          <div className="flex justify-end gap-3 pt-2">
-            <button
-              type="button"
-              onClick={onClose}
-              className="rounded-lg bg-slate-700 px-4 py-2.5 text-sm font-medium text-slate-200 hover:bg-slate-600 transition-colors"
-            >
-              Cancel
-            </button>
-            <button
-              type="submit"
-              disabled={submitting}
-              className="inline-flex items-center gap-2 rounded-lg bg-emerald-600 px-4 py-2.5 text-sm font-semibold text-white hover:bg-emerald-500 active:bg-emerald-700 disabled:opacity-50 transition-colors"
-            >
-              <Save size={16} />
-              {submitting ? 'Saving…' : mode === 'edit' ? 'Update Spool' : 'Create Spool'}
-            </button>
-          </div>
-        </form>
-      </div>
-    </div>
-  )
-}

frontend/src/components/LoadingSpinner.tsx

@@ -1,8 +0,0 @@
-export default function LoadingSpinner() {
-  return (
-    <div className="flex flex-col items-center gap-3">
-      <div className="w-10 h-10 border-4 border-emerald-500/30 border-t-emerald-400 rounded-full animate-spin" />
-      <p className="text-slate-400 text-sm">Loading dashboard…</p>
-    </div>
-  )
-}

frontend/src/components/RecentPrints.tsx

@@ -1,76 +0,0 @@
-import type { PrintJob } from '../types'
-import { Clock, FileText } from 'lucide-react'
-
-interface RecentPrintsProps {
-  jobs: PrintJob[]
-}
-
-export default function RecentPrints({ jobs }: RecentPrintsProps) {
-  if (jobs.length === 0) {
-    return (
-      <div className="rounded-xl border border-slate-700 bg-slate-800 p-6 text-center text-slate-400">
-        <FileText size={32} className="mx-auto mb-3 text-slate-500" />
-        <p>No recent print jobs</p>
-      </div>
-    )
-  }
-
-  const statusColor = (status: string) => {
-    switch (status.toLowerCase()) {
-      case 'completed': return 'text-emerald-400 bg-emerald-500/10'
-      case 'in_progress': return 'text-sky-400 bg-sky-500/10'
-      case 'failed': return 'text-red-400 bg-red-500/10'
-      default: return 'text-slate-400 bg-slate-500/10'
-    }
-  }
-
-  return (
-    <div className="rounded-xl border border-slate-700 bg-slate-800 overflow-hidden">
-      <div className="overflow-x-auto">
-        <table className="w-full text-left">
-          <thead>
-            <tr className="border-b border-slate-700">
-              <th className="px-4 py-3 text-sm font-medium text-slate-400">Name</th>
-              <th className="px-4 py-3 text-sm font-medium text-slate-400">Status</th>
-              <th className="px-4 py-3 text-sm font-medium text-slate-400">Duration</th>
-              <th className="px-4 py-3 text-sm font-medium text-slate-400">Filament</th>
-              <th className="px-4 py-3 text-sm font-medium text-slate-400">Cost</th>
-            </tr>
-          </thead>
-          <tbody>
-            {jobs.map((job) => (
-              <tr key={job.id} className="border-b border-slate-700/50 last:border-0 hover:bg-slate-700/30 transition-colors">
-                <td className="px-4 py-3 text-sm text-slate-100 font-medium">{job.name}</td>
-                <td className="px-4 py-3">
-                  <span className={`inline-flex items-center gap-1 px-2 py-1 rounded-full text-xs font-medium ${statusColor(job.status)}`}>
-                    {job.status}
-                  </span>
-                </td>
-                <td className="px-4 py-3 text-sm text-slate-300">
-                  <div className="flex items-center gap-1">
-                    <Clock size={14} />
-                    {formatDuration(job.duration_seconds)}
-                  </div>
-                </td>
-                <td className="px-4 py-3 text-sm text-slate-300">
-                  {job.filament_used_grams?.toFixed(1) ?? '-'} g
-                </td>
-                <td className="px-4 py-3 text-sm text-slate-300">
-                  ${job.cost_usd?.toFixed(2) ?? '-'}
-                </td>
-              </tr>
-            ))}
-          </tbody>
-        </table>
-      </div>
-    </div>
-  )
-}
-
-function formatDuration(seconds: number): string {
-  if (!seconds) return '-'
-  const hrs = Math.floor(seconds / 3600)
-  const mins = Math.floor((seconds % 3600) / 60)
-  if (hrs > 0) return `${hrs}h ${mins}m`
-  return `${mins}m`
-}

frontend/src/components/SummaryCard.tsx

@@ -1,31 +0,0 @@
-import type { LucideIcon } from 'lucide-react'
-
-interface SummaryCardProps {
-  title: string
-  value: string | number
-  icon: LucideIcon
-  color: 'emerald' | 'amber' | 'sky' | 'violet'
-}
-
-const colorMap = {
-  emerald: { bg: 'bg-emerald-500/10', border: 'border-emerald-500/20', text: 'text-emerald-400', icon: 'text-emerald-400' },
-  amber:   { bg: 'bg-amber-500/10',  border: 'border-amber-500/20',  text: 'text-amber-400',  icon: 'text-amber-400' },
-  sky:     { bg: 'bg-sky-500/10',    border: 'border-sky-500/20',    text: 'text-sky-400',    icon: 'text-sky-400' },
-  violet:  { bg: 'bg-violet-500/10', border: 'border-violet-500/20', text: 'text-violet-400', icon: 'text-violet-400' },
-}
-
-export default function SummaryCard({ title, value, icon: Icon, color }: SummaryCardProps) {
-  const c = colorMap[color]
-
-  return (
-    <div className={`rounded-xl border ${c.border} ${c.bg} p-5 flex items-start justify-between`}>
-      <div>
-        <p className="text-sm font-medium text-slate-400 mb-1">{title}</p>
-        <p className={`text-3xl font-bold ${c.text}`}>{value}</p>
-      </div>
-      <div className={`p-2 rounded-lg ${c.bg}`}>
-        <Icon size={24} className={c.icon} />
-      </div>
-    </div>
-  )
-}

frontend/src/main.tsx

@@ -1,25 +1,10 @@
 import { StrictMode } from 'react'
 import { createRoot } from 'react-dom/client'
-import { QueryClient, QueryClientProvider } from '@tanstack/react-query'
-import { BrowserRouter } from 'react-router-dom'
 import './index.css'
 import App from './App'
 
-const queryClient = new QueryClient({
-  defaultOptions: {
-    queries: {
-      staleTime: 30_000,
-      refetchOnWindowFocus: false,
-    },
-  },
-})
-
 createRoot(document.getElementById('root')!).render(
   <StrictMode>
-    <QueryClientProvider client={queryClient}>
+    <App />
-      <BrowserRouter>
-        <App />
-      </BrowserRouter>
-    </QueryClientProvider>
   </StrictMode>,
 )

frontend/src/pages/Dashboard.tsx

@@ -1,139 +0,0 @@
-import { useQuery } from '@tanstack/react-query'
-import { getFilaments, getPrintJobs } from '../services/api'
-import SummaryCard from '../components/SummaryCard'
-import RecentPrints from '../components/RecentPrints'
-import LoadingSpinner from '../components/LoadingSpinner'
-import { Package, AlertTriangle, Printer, DollarSign, Plus, List } from 'lucide-react'
-
-export default function Dashboard() {
-  const {
-    data: filamentData,
-    isLoading: filamentLoading,
-    error: filamentError,
-  } = useQuery({
-    queryKey: ['filaments', 'count'],
-    queryFn: () => getFilaments({ limit: 1 }),
-  })
-
-  const {
-    data: lowStockData,
-    isLoading: lowStockLoading,
-    error: lowStockError,
-  } = useQuery({
-    queryKey: ['filaments', 'lowStock'],
-    queryFn: () => getFilaments({ low_stock: true, limit: 1 }),
-  })
-
-  const {
-    data: recentPrints,
-    isLoading: printsLoading,
-    error: printsError,
-  } = useQuery({
-    queryKey: ['printJobs', 'recent'],
-    queryFn: () => getPrintJobs({ limit: 5 }),
-  })
-
-  const {
-    data: allPrints,
-    isLoading: costLoading,
-    error: costError,
-  } = useQuery({
-    queryKey: ['printJobs', 'all'],
-    queryFn: () => getPrintJobs({ limit: 1000 }),
-  })
-
-  const totalSpools = filamentData?.total ?? 0
-  const lowStockCount = lowStockData?.total ?? 0
-  const recentPrintJobs = recentPrints?.data ?? []
-
-  // Calculate cost this month from all print jobs
-  const now = new Date()
-  const currentMonth = now.getMonth()
-  const currentYear = now.getFullYear()
-  const monthlyCost =
-    allPrints?.data
-      .filter((job) => {
-        const d = new Date(job.started_at)
-        return d.getMonth() === currentMonth && d.getFullYear() === currentYear
-      })
-      .reduce((sum, job) => sum + (job.cost_usd ?? 0), 0) ?? 0
-
-  const isLoading = filamentLoading || lowStockLoading || printsLoading || costLoading
-  const error = filamentError || lowStockError || printsError || costError
-
-  if (isLoading) {
-    return (
-      <div className="min-h-screen flex items-center justify-center bg-slate-900">
-        <LoadingSpinner />
-      </div>
-    )
-  }
-
-  if (error) {
-    return (
-      <div className="min-h-screen flex items-center justify-center bg-slate-900">
-        <div className="p-6 rounded-lg bg-red-900/30 border border-red-500 text-red-200 max-w-md">
-          <h2 className="text-xl font-bold mb-2">Error</h2>
-          <p className="text-sm">{(error as Error).message || 'Failed to load dashboard data.'}</p>
-        </div>
-      </div>
-    )
-  }
-
-  return (
-    <div className="min-h-screen bg-slate-900 p-4 md:p-8">
-      <div className="max-w-6xl mx-auto">
-        <header className="mb-8">
-          <h1 className="text-3xl font-bold text-emerald-400 mb-2">Dashboard</h1>
-          <p className="text-slate-400">Overview of your Extrudex inventory and prints</p>
-        </header>
-
-        {/* Summary Cards Grid */}
-        <div className="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-4 gap-4 mb-8">
-          <SummaryCard
-            title="Total Spools"
-            value={totalSpools}
-            icon={Package}
-            color="emerald"
-          />
-          <SummaryCard
-            title="Low Stock"
-            value={lowStockCount}
-            icon={AlertTriangle}
-            color={lowStockCount > 0 ? 'amber' : 'emerald'}
-          />
-          <SummaryCard
-            title="Recent Prints"
-            value={recentPrintJobs.length}
-            icon={Printer}
-            color="sky"
-          />
-          <SummaryCard
-            title="Cost This Month"
-            value={`$${monthlyCost.toFixed(2)}`}
-            icon={DollarSign}
-            color="violet"
-          />
-        </div>
-
-        {/* Quick Actions */}
-        <div className="flex flex-wrap gap-3 mb-8">
-          <button className="flex items-center gap-2 px-4 py-2 rounded-lg bg-emerald-600 hover:bg-emerald-500 text-white font-medium transition-colors active:scale-95 touch-manipulation">
-            <Plus size={18} />
-            Add Spool
-          </button>
-          <button className="flex items-center gap-2 px-4 py-2 rounded-lg bg-slate-700 hover:bg-slate-600 text-slate-100 font-medium transition-colors active:scale-95 touch-manipulation">
-            <List size={18} />
-            View Inventory
-          </button>
-        </div>
-
-        {/* Recent Prints Section */}
-        <section>
-          <h2 className="text-xl font-semibold text-slate-100 mb-4">Recent Prints</h2>
-          <RecentPrints jobs={recentPrintJobs} />
-        </section>
-      </div>
-    </div>
-  )
-}

frontend/src/pages/InventoryPage.tsx

@@ -2,7 +2,6 @@ import { useState, useMemo } from 'react'
 import { useQuery } from '@tanstack/react-query'
 import { Search, Filter, ChevronLeft, ChevronRight, Trash2, Pencil, Plus, AlertTriangle } from 'lucide-react'
 import ColorSwatch from '../components/ColorSwatch'
-import FilamentForm from '../components/FilamentForm'
 import { fetchFilaments, deleteFilament } from '../services/filamentService'
 import type { FilamentSpool, FilamentFilter } from '../types/filament'
 
@@ -20,9 +19,6 @@ export default function InventoryPage() {
   const [sortDir, setSortDir] = useState<SortDir>('asc')
   const [page, setPage] = useState(0)
   const [deleteId, setDeleteId] = useState<number | null>(null)
-  const [formOpen, setFormOpen] = useState(false)
-  const [formMode, setFormMode] = useState<'create' | 'edit'>('create')
-  const [formInitial, setFormInitial] = useState<FilamentSpool | null>(null)
 
   const filter: FilamentFilter = useMemo(() => ({
     material: material || undefined,
@@ -83,10 +79,7 @@ export default function InventoryPage() {
           <h2 className="text-xl font-bold text-slate-100">Filament Inventory</h2>
           <p className="text-sm text-slate-400">{total} spool(s) total</p>
         </div>
-        <button
+        <button className="inline-flex items-center gap-2 rounded-lg bg-emerald-600 px-4 py-2 text-sm font-semibold text-white hover:bg-emerald-500 active:bg-emerald-700 transition-colors">
-          onClick={() => { setFormMode('create'); setFormInitial(null); setFormOpen(true) }}
-          className="inline-flex items-center gap-2 rounded-lg bg-emerald-600 px-4 py-2 text-sm font-semibold text-white hover:bg-emerald-500 active:bg-emerald-700 transition-colors"
-        >
           <Plus size={16} /> Add Spool
         </button>
       </div>
@@ -215,11 +208,7 @@ export default function InventoryPage() {
                       </td>
                       <td className="px-4 py-3 text-right">
                         <div className="flex items-center justify-end gap-2">
-                          <button
+                          <button className="p-1.5 rounded hover:bg-slate-600 text-slate-400 hover:text-blue-400 transition-colors" title="Edit">
-                            onClick={() => { setFormMode('edit'); setFormInitial(spool); setFormOpen(true) }}
-                            className="p-1.5 rounded hover:bg-slate-600 text-slate-400 hover:text-blue-400 transition-colors"
-                            title="Edit"
-                          >
                             <Pencil size={14} />
                           </button>
                           <button
@@ -274,10 +263,7 @@ export default function InventoryPage() {
                   </div>
 
                   <div className="flex items-center justify-end gap-2 pt-1">
-                    <button
+                    <button className="flex items-center gap-1 rounded-md bg-slate-700 px-3 py-1.5 text-xs font-medium text-slate-200 hover:bg-slate-600">
-                      onClick={() => { setFormMode('edit'); setFormInitial(spool); setFormOpen(true) }}
-                      className="flex items-center gap-1 rounded-md bg-slate-700 px-3 py-1.5 text-xs font-medium text-slate-200 hover:bg-slate-600"
-                    >
                       <Pencil size={12} /> Edit
                     </button>
                     <button
@@ -318,16 +304,6 @@ export default function InventoryPage() {
         </>
       )}
 
-      {/* Add/Edit Form Modal */}
-      {formOpen && (
-        <FilamentForm
-          mode={formMode}
-          initialData={formInitial}
-          onClose={() => setFormOpen(false)}
-          onSuccess={() => refetch()}
-        />
-      )}
-
       {/* Delete confirmation modal */}
       {deleteId !== null && (
         <div className="fixed inset-0 z-50 flex items-center justify-center bg-black/60 backdrop-blur-sm p-4">

frontend/src/pages/PrintersPage.tsx

@@ -0,0 +1,468 @@
+import { useState, useMemo } from 'react'
+import { useQuery } from '@tanstack/react-query'
+import {
+  Search,
+  Wifi,
+  WifiOff,
+  HelpCircle,
+  Pencil,
+  Plus,
+  Trash2,
+  AlertTriangle,
+  ChevronLeft,
+  ChevronRight,
+  Server,
+  Radio,
+  ShieldCheck,
+} from 'lucide-react'
+import { fetchPrinters } from '../services/printerService'
+import type { Printer } from '../types/printer'
+
+const PAGE_SIZE = 20
+
+type SortField = 'name' | 'printer_type' | 'manufacturer' | 'model'
+type SortDir = 'asc' | 'desc'
+
+type ConnStatus = 'online' | 'offline' | 'unknown'
+
+export default function PrintersPage() {
+  const [search, setSearch] = useState('')
+  const [statusFilter, setStatusFilter] = useState<ConnStatus | ''>('')
+  const [typeFilter, setTypeFilter] = useState('')
+  const [sortBy, setSortBy] = useState<SortField>('name')
+  const [sortDir, setSortDir] = useState<SortDir>('asc')
+  const [page, setPage] = useState(0)
+  const [deleteId, setDeleteId] = useState<number | null>(null)
+
+  const {
+    data: printers,
+    isLoading,
+    error,
+    refetch,
+  } = useQuery({
+    queryKey: ['printers'],
+    queryFn: fetchPrinters,
+  })
+
+  // Derive connection status from backend is_active for now
+  // TODO: replace with real status endpoint / SSE when available
+  const printersWithStatus = useMemo(() => {
+    return (printers ?? []).map((p) => {
+      const status: ConnStatus = p.is_active ? 'online' : 'offline'
+      return { ...p, connection_status: status }
+    })
+  }, [printers])
+
+  // Client-side filter + sort
+  const filtered = useMemo(() => {
+    let list = [...printersWithStatus]
+
+    if (search.trim()) {
+      const q = search.toLowerCase()
+      list = list.filter(
+        (p) =>
+          p.name.toLowerCase().includes(q) ||
+          (p.manufacturer?.toLowerCase().includes(q) ?? false) ||
+          (p.model?.toLowerCase().includes(q) ?? false)
+      )
+    }
+
+    if (statusFilter) {
+      list = list.filter((p) => p.connection_status === statusFilter)
+    }
+
+    if (typeFilter) {
+      list = list.filter((p) => p.printer_type?.name === typeFilter)
+    }
+
+    list.sort((a, b) => {
+      const dir = sortDir === 'asc' ? 1 : -1
+      switch (sortBy) {
+        case 'name':
+          return a.name.localeCompare(b.name) * dir
+        case 'printer_type':
+          return (a.printer_type?.name ?? '').localeCompare(b.printer_type?.name ?? '') * dir
+        case 'manufacturer':
+          return (a.manufacturer ?? '').localeCompare(b.manufacturer ?? '') * dir
+        case 'model':
+          return (a.model ?? '').localeCompare(b.model ?? '') * dir
+        default:
+          return 0
+      }
+    })
+
+    return list
+  }, [printersWithStatus, search, statusFilter, typeFilter, sortBy, sortDir])
+
+  const total = filtered.length
+  const totalPages = Math.max(1, Math.ceil(total / PAGE_SIZE))
+  const pageItems = filtered.slice(page * PAGE_SIZE, (page + 1) * PAGE_SIZE)
+
+  const uniqueTypes = useMemo(() => {
+    const s = new Set<string>()
+    ;(printers ?? []).forEach((p) => {
+      if (p.printer_type?.name) s.add(p.printer_type.name)
+    })
+    return Array.from(s).sort()
+  }, [printers])
+
+  const handleSort = (field: SortField) => {
+    if (sortBy === field) {
+      setSortDir((prev) => (prev === 'asc' ? 'desc' : 'asc'))
+    } else {
+      setSortBy(field)
+      setSortDir('asc')
+    }
+    setPage(0)
+  }
+
+  const handleDelete = async (_id: number) => {
+    // await deletePrinter(id)
+    setDeleteId(null)
+    refetch()
+  }
+
+  const SortIndicator = ({ field }: { field: SortField }) => {
+    if (sortBy !== field) return <span className="text-slate-600 ml-1">↕</span>
+    return <span className="text-emerald-400 ml-1">{sortDir === 'asc' ? '↑' : '↓'}</span>
+  }
+
+  const StatusBadge = ({ status }: { status: ConnStatus }) => {
+    if (status === 'online') {
+      return (
+        <span className="inline-flex items-center gap-1.5 rounded-full bg-emerald-900/30 border border-emerald-700 px-2.5 py-1 text-xs font-medium text-emerald-300">
+          <Wifi size={12} /> Online
+        </span>
+      )
+    }
+    if (status === 'offline') {
+      return (
+        <span className="inline-flex items-center gap-1.5 rounded-full bg-red-900/30 border border-red-700 px-2.5 py-1 text-xs font-medium text-red-300">
+          <WifiOff size={12} /> Offline
+        </span>
+      )
+    }
+    return (
+      <span className="inline-flex items-center gap-1.5 rounded-full bg-slate-700/50 border border-slate-600 px-2.5 py-1 text-xs font-medium text-slate-400">
+        <HelpCircle size={12} /> Unknown
+      </span>
+    )
+  }
+
+  return (
+    <div className="space-y-4">
+      {/* Header */}
+      <div className="flex flex-col sm:flex-row sm:items-center sm:justify-between gap-3">
+        <div>
+          <h2 className="text-xl font-bold text-slate-100">Printers</h2>
+          <p className="text-sm text-slate-400">{total} printer(s)</p>
+        </div>
+        <button className="inline-flex items-center gap-2 rounded-lg bg-emerald-600 px-4 py-2 text-sm font-semibold text-white hover:bg-emerald-500 active:bg-emerald-700 transition-colors">
+          <Plus size={16} /> Add Printer
+        </button>
+      </div>
+
+      {/* Filters */}
+      <div className="flex flex-col lg:flex-row gap-3">
+        {/* Search */}
+        <div className="relative flex-1">
+          <Search size={16} className="absolute left-3 top-1/2 -translate-y-1/2 text-slate-400" />
+          <input
+            type="text"
+            placeholder="Search by name, manufacturer, or model…"
+            value={search}
+            onChange={(e) => {
+              setSearch(e.target.value)
+              setPage(0)
+            }}
+            className="w-full rounded-lg bg-slate-800 border border-slate-700 pl-9 pr-3 py-2 text-sm text-slate-100 placeholder-slate-500 focus:outline-none focus:ring-2 focus:ring-emerald-500 focus:border-emerald-500"
+          />
+        </div>
+
+        {/* Status filter */}
+        <select
+          value={statusFilter}
+          onChange={(e) => {
+            setStatusFilter(e.target.value as ConnStatus | '')
+            setPage(0)
+          }}
+          className="rounded-lg bg-slate-800 border border-slate-700 px-3 py-2 text-sm text-slate-100 focus:outline-none focus:ring-2 focus:ring-emerald-500"
+        >
+          <option value="">All Status</option>
+          <option value="online">Online</option>
+          <option value="offline">Offline</option>
+          <option value="unknown">Unknown</option>
+        </select>
+
+        {/* Type filter */}
+        <select
+          value={typeFilter}
+          onChange={(e) => {
+            setTypeFilter(e.target.value)
+            setPage(0)
+          }}
+          className="rounded-lg bg-slate-800 border border-slate-700 px-3 py-2 text-sm text-slate-100 focus:outline-none focus:ring-2 focus:ring-emerald-500"
+        >
+          <option value="">All Types</option>
+          {uniqueTypes.map((t) => (
+            <option key={t} value={t}>
+              {t}
+            </option>
+          ))}
+        </select>
+      </div>
+
+      {/* Loading / Error */}
+      {isLoading && <div className="text-center py-12 text-slate-400">Loading printers…</div>}
+      {error && (
+        <div className="text-center py-12 text-red-400">
+          Failed to load printers.
+          <button onClick={() => refetch()} className="ml-2 underline hover:text-red-300">
+            Retry
+          </button>
+        </div>
+      )}
+
+      {/* Desktop Table */}
+      {!isLoading && !error && (
+        <>
+          <div className="hidden md:block overflow-x-auto rounded-lg border border-slate-700">
+            <table className="w-full text-sm">
+              <thead className="bg-slate-800 text-slate-300">
+                <tr>
+                  <th
+                    className="px-4 py-3 text-left font-semibold cursor-pointer select-none hover:text-slate-100"
+                    onClick={() => handleSort('name')}
+                  >
+                    Name <SortIndicator field="name" />
+                  </th>
+                  <th
+                    className="px-4 py-3 text-left font-semibold cursor-pointer select-none hover:text-slate-100"
+                    onClick={() => handleSort('printer_type')}
+                  >
+                    Type <SortIndicator field="printer_type" />
+                  </th>
+                  <th
+                    className="px-4 py-3 text-left font-semibold cursor-pointer select-none hover:text-slate-100"
+                    onClick={() => handleSort('manufacturer')}
+                  >
+                    Manufacturer <SortIndicator field="manufacturer" />
+                  </th>
+                  <th
+                    className="px-4 py-3 text-left font-semibold cursor-pointer select-none hover:text-slate-100"
+                    onClick={() => handleSort('model')}
+                  >
+                    Model <SortIndicator field="model" />
+                  </th>
+                  <th className="px-4 py-3 text-left font-semibold">Connection</th>
+                  <th className="px-4 py-3 text-left font-semibold">Moonraker</th>
+                  <th className="px-4 py-3 text-left font-semibold">MQTT</th>
+                  <th className="px-4 py-3 text-right font-semibold">Actions</th>
+                </tr>
+              </thead>
+              <tbody className="divide-y divide-slate-700">
+                {pageItems.length === 0 && (
+                  <tr>
+                    <td colSpan={8} className="px-4 py-8 text-center text-slate-500">
+                      No printers found.
+                    </td>
+                  </tr>
+                )}
+                {pageItems.map((p: Printer & { connection_status: ConnStatus }) => (
+                  <tr key={p.id} className="bg-slate-800/50 hover:bg-slate-700/50 transition-colors">
+                    <td className="px-4 py-3 font-medium text-slate-100">{p.name}</td>
+                    <td className="px-4 py-3 text-slate-300">
+                      <span className="inline-flex items-center gap-1.5 rounded-md bg-slate-700/50 px-2 py-0.5 text-xs">
+                        {p.printer_type?.name ?? '—'}
+                      </span>
+                    </td>
+                    <td className="px-4 py-3 text-slate-300">{p.manufacturer ?? '—'}</td>
+                    <td className="px-4 py-3 text-slate-300">{p.model ?? '—'}</td>
+                    <td className="px-4 py-3">
+                      <StatusBadge status={p.connection_status} />
+                    </td>
+                    <td className="px-4 py-3 text-slate-300">
+                      {p.moonraker_url ? (
+                        <span className="inline-flex items-center gap-1.5 text-xs text-blue-300">
+                          <Server size={12} />
+                          <a
+                            href={p.moonraker_url}
+                            target="_blank"
+                            rel="noopener noreferrer"
+                            className="hover:underline truncate max-w-[160px] inline-block"
+                            title={p.moonraker_url}
+                          >
+                            {p.moonraker_url}
+                          </a>
+                        </span>
+                      ) : (
+                        <span className="text-slate-500 text-xs">—</span>
+                      )}
+                    </td>
+                    <td className="px-4 py-3">
+                      {p.mqtt_broker_host ? (
+                        <span className="inline-flex items-center gap-1 text-xs text-slate-300">
+                          <Radio size={12} className="text-emerald-400" />
+                          {p.mqtt_topic_prefix ? `${p.mqtt_topic_prefix} @ ` : ''}
+                          {p.mqtt_broker_host}
+                          {p.mqtt_tls_enabled && (
+                            <span title="TLS enabled">
+                              <ShieldCheck size={12} className="text-emerald-400" />
+                            </span>
+                          )}
+                        </span>
+                      ) : (
+                        <span className="text-slate-500 text-xs">—</span>
+                      )}
+                    </td>
+                    <td className="px-4 py-3 text-right">
+                      <div className="flex items-center justify-end gap-2">
+                        <button
+                          className="p-1.5 rounded hover:bg-slate-600 text-slate-400 hover:text-blue-400 transition-colors"
+                          title="Edit"
+                        >
+                          <Pencil size={14} />
+                        </button>
+                        <button
+                          onClick={() => setDeleteId(p.id)}
+                          className="p-1.5 rounded hover:bg-slate-600 text-slate-400 hover:text-red-400 transition-colors"
+                          title="Delete"
+                        >
+                          <Trash2 size={14} />
+                        </button>
+                      </div>
+                    </td>
+                  </tr>
+                ))}
+              </tbody>
+            </table>
+          </div>
+
+          {/* Mobile Cards */}
+          <div className="md:hidden space-y-3">
+            {pageItems.length === 0 && (
+              <div className="text-center py-12 text-slate-500">No printers found.</div>
+            )}
+            {pageItems.map((p: Printer & { connection_status: ConnStatus }) => (
+              <div
+                key={p.id}
+                className="rounded-lg border border-slate-700 bg-slate-800 p-4 space-y-3"
+              >
+                <div className="flex items-start justify-between">
+                  <div>
+                    <div className="font-semibold text-slate-100">{p.name}</div>
+                    <div className="text-xs text-slate-400 mt-0.5">
+                      {p.printer_type?.name ?? '—'} · {p.manufacturer ?? '—'} {p.model ?? ''}
+                    </div>
+                  </div>
+                  <StatusBadge status={p.connection_status} />
+                </div>
+
+                {/* Moonraker */}
+                {p.moonraker_url && (
+                  <div className="flex items-center gap-2 text-sm text-slate-300">
+                    <Server size={14} className="text-blue-400 shrink-0" />
+                    <a
+                      href={p.moonraker_url}
+                      target="_blank"
+                      rel="noopener noreferrer"
+                      className="text-blue-300 hover:underline truncate"
+                    >
+                      {p.moonraker_url}
+                    </a>
+                  </div>
+                )}
+
+                {/* MQTT */}
+                {p.mqtt_broker_host && (
+                  <div className="flex items-center gap-2 text-sm text-slate-300">
+                    <Radio size={14} className="text-emerald-400 shrink-0" />
+                    <span className="truncate">
+                      {p.mqtt_topic_prefix ? `${p.mqtt_topic_prefix} @ ` : ''}
+                      {p.mqtt_broker_host}
+                      {p.mqtt_tls_enabled && (
+                        <span title="TLS enabled">
+                          <ShieldCheck size={14} className="text-emerald-400 inline ml-1" />
+                        </span>
+                      )}
+                    </span>
+                  </div>
+                )}
+
+                {/* Actions */}
+                <div className="flex items-center justify-end gap-2 pt-1">
+                  <button className="flex items-center gap-1 rounded-md bg-slate-700 px-3 py-1.5 text-xs font-medium text-slate-200 hover:bg-slate-600">
+                    <Pencil size={12} /> Edit
+                  </button>
+                  <button
+                    onClick={() => setDeleteId(p.id)}
+                    className="flex items-center gap-1 rounded-md bg-red-900/30 border border-red-700 px-3 py-1.5 text-xs font-medium text-red-300 hover:bg-red-900/50"
+                  >
+                    <Trash2 size={12} /> Delete
+                  </button>
+                </div>
+              </div>
+            ))}
+          </div>
+
+          {/* Pagination */}
+          <div className="flex items-center justify-between pt-2">
+            <span className="text-sm text-slate-400">
+              Showing {page * PAGE_SIZE + 1}–{Math.min((page + 1) * PAGE_SIZE, total)} of {total}
+            </span>
+            <div className="flex items-center gap-2">
+              <button
+                onClick={() => setPage((p) => Math.max(0, p - 1))}
+                disabled={page === 0}
+                className="p-2 rounded-lg bg-slate-800 border border-slate-700 text-slate-300 hover:bg-slate-700 disabled:opacity-40 disabled:cursor-not-allowed transition-colors"
+              >
+                <ChevronLeft size={16} />
+              </button>
+              <span className="text-sm text-slate-300 tabular-nums">
+                {page + 1} / {totalPages}
+              </span>
+              <button
+                onClick={() => setPage((p) => Math.min(totalPages - 1, p + 1))}
+                disabled={page >= totalPages - 1}
+                className="p-2 rounded-lg bg-slate-800 border border-slate-700 text-slate-300 hover:bg-slate-700 disabled:opacity-40 disabled:cursor-not-allowed transition-colors"
+              >
+                <ChevronRight size={16} />
+              </button>
+            </div>
+          </div>
+        </>
+      )}
+
+      {/* Delete confirmation modal */}
+      {deleteId !== null && (
+        <div className="fixed inset-0 z-50 flex items-center justify-center bg-black/60 backdrop-blur-sm p-4">
+          <div className="w-full max-w-sm rounded-xl bg-slate-800 border border-slate-700 p-6 shadow-2xl space-y-4">
+            <div className="flex items-center gap-3">
+              <div className="flex h-10 w-10 items-center justify-center rounded-full bg-red-900/30">
+                <AlertTriangle size={20} className="text-red-400" />
+              </div>
+              <div>
+                <h3 className="text-lg font-semibold text-slate-100">Delete Printer?</h3>
+                <p className="text-sm text-slate-400">This action cannot be undone.</p>
+              </div>
+            </div>
+            <div className="flex justify-end gap-3">
+              <button
+                onClick={() => setDeleteId(null)}
+                className="rounded-lg bg-slate-700 px-4 py-2 text-sm font-medium text-slate-200 hover:bg-slate-600 transition-colors"
+              >
+                Cancel
+              </button>
+              <button
+                onClick={() => handleDelete(deleteId)}
+                className="rounded-lg bg-red-600 px-4 py-2 text-sm font-medium text-white hover:bg-red-500 transition-colors"
+              >
+                Delete
+              </button>
+            </div>
+          </div>
+        </div>
+      )}
+    </div>
+  )
+}

frontend/src/services/api.ts

@@ -1,19 +0,0 @@
-import axios from 'axios'
-import type { ListResponse, FilamentSpool, PrintJob } from '../types'
-
-const api = axios.create({
-  baseURL: '/api',
-  headers: { 'Content-Type': 'application/json' },
-})
-
-export async function getFilaments(params?: { low_stock?: boolean; limit?: number; offset?: number }) {
-  const res = await api.get<ListResponse<FilamentSpool>>('/filaments', { params })
-  return res.data
-}
-
-export async function getPrintJobs(params?: { limit?: number; offset?: number }) {
-  const res = await api.get<ListResponse<PrintJob>>('/print-jobs', { params })
-  return res.data
-}
-
-export default api

frontend/src/services/filamentService.ts

@@ -1,5 +1,5 @@
 import axios from 'axios'
-import type { FilamentSpool, ListResponse, FilamentFilter, MaterialBase, MaterialFinish, MaterialModifier } from '../types/filament'
+import type { FilamentSpool, ListResponse, FilamentFilter } from '../types/filament'
 
 const API_BASE = '/api'
 
@@ -19,31 +19,6 @@ export async function fetchFilaments(filter: FilamentFilter): Promise<ListRespon
   return res.data
 }
 
-export async function createFilament(payload: Partial<FilamentSpool>): Promise<FilamentSpool> {
-  const res = await axios.post<{ data: FilamentSpool }>(`${API_BASE}/filaments`, payload)
-  return res.data.data
-}
-
-export async function updateFilament(id: number, payload: Partial<FilamentSpool>): Promise<FilamentSpool> {
-  const res = await axios.put<{ data: FilamentSpool }>(`${API_BASE}/filaments/${id}`, payload)
-  return res.data.data
-}
-
 export async function deleteFilament(id: number): Promise<void> {
   await axios.delete(`${API_BASE}/filaments/${id}`)
 }
-
-export async function fetchMaterialBases(): Promise<MaterialBase[]> {
-  const res = await axios.get<{ data: MaterialBase[] }>(`${API_BASE}/materials`)
-  return res.data.data
-}
-
-export async function fetchMaterialFinishes(): Promise<MaterialFinish[]> {
-  const res = await axios.get<{ data: MaterialFinish[] }>(`${API_BASE}/finishes`)
-  return res.data.data
-}
-
-export async function fetchMaterialModifiers(): Promise<MaterialModifier[]> {
-  const res = await axios.get<{ data: MaterialModifier[] }>(`${API_BASE}/modifiers`)
-  return res.data.data
-}

frontend/src/services/printerService.ts

@@ -0,0 +1,13 @@
+import axios from 'axios'
+import type { Printer } from '../types/printer'
+
+const API_BASE = '/api'
+
+export async function fetchPrinters(): Promise<Printer[]> {
+  const res = await axios.get<{ data: Printer[] }>(`${API_BASE}/printers`)
+  return res.data.data
+}
+
+export async function deletePrinter(id: number): Promise<void> {
+  await axios.delete(`${API_BASE}/printers/${id}`)
+}

frontend/src/types/index.ts

@@ -1,42 +0,0 @@
-export interface FilamentSpool {
-  id: number;
-  name: string;
-  material_base_id: number;
-  material_finish_id: number;
-  material_modifier_id: number;
-  color_hex: string;
-  brand: string;
-  diameter_mm: number;
-  initial_grams: number;
-  remaining_grams: number;
-  spool_weight_grams: number;
-  cost_usd: number;
-  low_stock_threshold_grams: number;
-  notes: string;
-  barcode: string;
-  created_at: string;
-  updated_at: string;
-  deleted_at: string | null;
-}
-
-export interface PrintJob {
-  id: number;
-  name: string;
-  printer_id: number;
-  filament_id: number;
-  status: string;
-  duration_seconds: number;
-  filament_used_grams: number;
-  cost_usd: number;
-  started_at: string;
-  completed_at: string | null;
-  created_at: string;
-  updated_at: string;
-}
-
-export interface ListResponse<T> {
-  data: T[];
-  total: number;
-  limit: number;
-  offset: number;
-}

frontend/src/types/printer.ts

@@ -0,0 +1,33 @@
+// Extrudex printer domain types
+
+export interface PrinterType {
+  id: number
+  name: string
+  created_at: string
+  updated_at: string
+}
+
+export interface Printer {
+  id: number
+  name: string
+  printer_type_id: number
+  printer_type?: PrinterType
+  manufacturer?: string
+  model?: string
+  moonraker_url?: string
+  moonraker_api_key?: string
+  mqtt_broker_host?: string
+  mqtt_topic_prefix?: string
+  mqtt_tls_enabled: boolean
+  is_active: boolean
+  connection_status?: 'online' | 'offline' | 'unknown'
+  created_at: string
+  updated_at: string
+}
+
+export interface ListResponse<T> {
+  data: T[]
+  total: number
+  limit: number
+  offset: number
+}

frontend/tsconfig.json

@@ -15,7 +15,6 @@
     "noUnusedLocals": true,
     "noUnusedParameters": true,
     "noFallthroughCasesInSwitch": true,
-    "ignoreDeprecations": "5.0",
     "baseUrl": ".",
     "paths": {
       "@/*": ["src/*"]