diff --git a/frontend/src/components/simulator/SimulatorCanvas.tsx b/frontend/src/components/simulator/SimulatorCanvas.tsx
index 42837e61..b6183562 100644
--- a/frontend/src/components/simulator/SimulatorCanvas.tsx
+++ b/frontend/src/components/simulator/SimulatorCanvas.tsx
@@ -2,6 +2,7 @@ import { useSimulatorStore, getEsp32Bridge } from '../../store/useSimulatorStore
 import React, { useEffect, useState, useRef, useCallback } from 'react';
 import { createPortal } from 'react-dom';
 import { Undo2, Redo2 } from 'lucide-react';
+import { useTranslation } from 'react-i18next';
 import { ESP32_ADC_PIN_MAP } from '../velxio-components/Esp32Element';
 import { ComponentPickerModal } from '../ComponentPickerModal';
 import { ComponentPropertyDialog } from './ComponentPropertyDialog';
@@ -87,6 +88,7 @@ interface SimulatorCanvasProps {
 }
 
 export const SimulatorCanvas = ({ headerSlot }: SimulatorCanvasProps = {}) => {
+  const { t } = useTranslation();
   const isTouchDevice = useIsCoarsePointer();
   // Mirror to a ref so the long-lived touch handler effect (deps deliberately
   // narrow to avoid rebinding listeners on every render) can read the latest
@@ -1866,7 +1868,7 @@ export const SimulatorCanvas = ({ headerSlot }: SimulatorCanvasProps = {}) => {
               cursor: 'pointer',
             }}
           >
-            Dismiss
+            {t('editor.canvas.dismiss')}
           </button>
         </div>
       )}
@@ -1880,7 +1882,7 @@ export const SimulatorCanvas = ({ headerSlot }: SimulatorCanvasProps = {}) => {
             {/* Status LED */}
             <span
               className={`status-dot ${running ? 'running' : 'stopped'}`}
-              title={running ? 'Running' : 'Stopped'}
+              title={running ? t('editor.canvas.status.running') : t('editor.canvas.status.stopped')}
             />
 
             {/* Active board selector (multi-board) — hidden when no boards */}
@@ -1890,7 +1892,7 @@ export const SimulatorCanvas = ({ headerSlot }: SimulatorCanvasProps = {}) => {
                 value={activeBoardId ?? ''}
                 onChange={(e) => useSimulatorStore.getState().setActiveBoardId(e.target.value)}
                 disabled={running}
-                title="Active board"
+                title={t('editor.canvas.activeBoard')}
               >
                 {boards.map((b) => (
                   <option key={b.id} value={b.id}>
@@ -1902,9 +1904,9 @@ export const SimulatorCanvas = ({ headerSlot }: SimulatorCanvasProps = {}) => {
               <span
                 className="board-selector"
                 style={{ opacity: 0.55, fontStyle: 'italic', cursor: 'default' }}
-                title="No board on canvas — add one with the Add button to compile and run code"
+                title={t('editor.canvas.noBoardHint')}
               >
-                No board
+                {t('editor.canvas.noBoard')}
               </span>
             )}
 
@@ -1918,10 +1920,10 @@ export const SimulatorCanvas = ({ headerSlot }: SimulatorCanvasProps = {}) => {
               className="canvas-icon-btn"
               title={
                 historyIndex >= 0
-                  ? `Undo: ${history[historyIndex].description} (Ctrl+Z)`
-                  : 'Nothing to undo'
+                  ? t('editor.canvas.undo.title', { description: history[historyIndex].description })
+                  : t('editor.canvas.undo.empty')
               }
-              aria-label="Undo"
+              aria-label={t('editor.canvas.undo.label')}
             >
               <Undo2 size={16} strokeWidth={2} aria-hidden="true" />
             </button>
@@ -1931,10 +1933,10 @@ export const SimulatorCanvas = ({ headerSlot }: SimulatorCanvasProps = {}) => {
               className="canvas-icon-btn"
               title={
                 historyIndex < history.length - 1
-                  ? `Redo: ${history[historyIndex + 1].description} (Ctrl+Y)`
-                  : 'Nothing to redo'
+                  ? t('editor.canvas.redo.title', { description: history[historyIndex + 1].description })
+                  : t('editor.canvas.redo.empty')
               }
-              aria-label="Redo"
+              aria-label={t('editor.canvas.redo.label')}
             >
               <Redo2 size={16} strokeWidth={2} aria-hidden="true" />
             </button>
@@ -1946,7 +1948,7 @@ export const SimulatorCanvas = ({ headerSlot }: SimulatorCanvasProps = {}) => {
                 trackToggleSerialMonitor(!serialMonitorOpen);
               }}
               className={`canvas-serial-btn${serialMonitorOpen ? ' canvas-serial-btn-active' : ''}`}
-              title="Toggle Serial Monitor"
+              title={t('editor.canvas.toggleSerialMonitor')}
             >
               <svg
                 width="22"
@@ -1961,7 +1963,7 @@ export const SimulatorCanvas = ({ headerSlot }: SimulatorCanvasProps = {}) => {
                 <rect x="2" y="3" width="20" height="14" rx="2" />
                 <path d="M8 21h8M12 17v4" />
               </svg>
-              Serial
+              {t('editor.canvas.serial')}
             </button>
 
             {/* ESP32-CAM webcam stream toggle */}
@@ -2045,7 +2047,7 @@ export const SimulatorCanvas = ({ headerSlot }: SimulatorCanvasProps = {}) => {
             <button
               onClick={toggleOscilloscope}
               className={`canvas-serial-btn${oscilloscopeOpen ? ' canvas-serial-btn-active' : ''}`}
-              title="Toggle Oscilloscope / Logic Analyzer"
+              title={t('editor.canvas.toggleScope')}
             >
               <svg
                 width="22"
@@ -2059,7 +2061,7 @@ export const SimulatorCanvas = ({ headerSlot }: SimulatorCanvasProps = {}) => {
               >
                 <polyline points="2 14 6 8 10 14 14 6 18 14 22 10" />
               </svg>
-              Scope
+              {t('editor.canvas.scope')}
             </button>
           </div>
 
@@ -2076,7 +2078,7 @@ export const SimulatorCanvas = ({ headerSlot }: SimulatorCanvasProps = {}) => {
                     preventDefault: () => {},
                   } as any)
                 }
-                title="Zoom out"
+                title={t('editor.canvas.zoomOut')}
               >
                 <svg
                   width="14"
@@ -2093,7 +2095,7 @@ export const SimulatorCanvas = ({ headerSlot }: SimulatorCanvasProps = {}) => {
               <button
                 className="zoom-level"
                 onClick={handleResetView}
-                title="Reset view (click to reset)"
+                title={t('editor.canvas.resetView')}
               >
                 {Math.round(zoom * 100)}%
               </button>
@@ -2107,7 +2109,7 @@ export const SimulatorCanvas = ({ headerSlot }: SimulatorCanvasProps = {}) => {
                     preventDefault: () => {},
                   } as any)
                 }
-                title="Zoom in"
+                title={t('editor.canvas.zoomIn')}
               >
                 <svg
                   width="14"
@@ -2127,7 +2129,7 @@ export const SimulatorCanvas = ({ headerSlot }: SimulatorCanvasProps = {}) => {
             {/* Component count */}
             <span
               className="component-count"
-              title={`${components.length} component${components.length !== 1 ? 's' : ''}`}
+              title={t('editor.canvas.componentCount', { count: components.length })}
             >
               <svg
                 width="15"
@@ -2149,7 +2151,7 @@ export const SimulatorCanvas = ({ headerSlot }: SimulatorCanvasProps = {}) => {
             <button
               className="add-component-btn"
               onClick={() => setShowComponentPicker(true)}
-              title="Add Component"
+              title={t('editor.canvas.addComponentTitle')}
               disabled={running}
             >
               <svg
@@ -2165,7 +2167,7 @@ export const SimulatorCanvas = ({ headerSlot }: SimulatorCanvasProps = {}) => {
                 <line x1="12" y1="5" x2="12" y2="19" />
                 <line x1="5" y1="12" x2="19" y2="12" />
               </svg>
-              Add
+              {t('editor.canvas.add')}
             </button>
           </div>
         </div>
@@ -2666,10 +2668,10 @@ export const SimulatorCanvas = ({ headerSlot }: SimulatorCanvasProps = {}) => {
                     <polyline points="3 6 5 6 21 6" />
                     <path d="M19 6v14a2 2 0 0 1-2 2H7a2 2 0 0 1-2-2V6m3 0V4a2 2 0 0 1 2-2h4a2 2 0 0 1 2 2v2" />
                   </svg>
-                  Remove board
+                  {t('editor.canvas.removeBoard')}
                   {connectedWires > 0 && (
                     <span style={{ color: '#888', fontSize: 11 }}>
-                      ({connectedWires} wire{connectedWires > 1 ? 's' : ''})
+                      ({t('editor.canvas.wireCount', { count: connectedWires })})
                     </span>
                   )}
                 </button>
@@ -2682,7 +2684,7 @@ export const SimulatorCanvas = ({ headerSlot }: SimulatorCanvasProps = {}) => {
       {boardToRemove &&
         (() => {
           const board = boards.find((b) => b.id === boardToRemove);
-          const label = board ? BOARD_KIND_LABELS[board.boardKind] : 'Board';
+          const label = board ? BOARD_KIND_LABELS[board.boardKind] : t('editor.canvas.removeConfirm.boardFallback');
           const connectedWires = wires.filter(
             (w) => w.start.componentId === boardToRemove || w.end.componentId === boardToRemove,
           ).length;
@@ -2709,20 +2711,12 @@ export const SimulatorCanvas = ({ headerSlot }: SimulatorCanvasProps = {}) => {
                 }}
               >
                 <h3 style={{ margin: '0 0 10px', color: '#e0e0e0', fontSize: 15 }}>
-                  Remove {label}?
+                  {t('editor.canvas.removeConfirm.title', { label })}
                 </h3>
                 <p style={{ margin: '0 0 16px', color: '#999', fontSize: 13, lineHeight: 1.5 }}>
-                  This will remove the board from the workspace
-                  {connectedWires > 0 && (
-                    <>
-                      {' '}
-                      and{' '}
-                      <strong style={{ color: '#e06c75' }}>
-                        {connectedWires} connected wire{connectedWires > 1 ? 's' : ''}
-                      </strong>
-                    </>
-                  )}
-                  . This action cannot be undone.
+                  {connectedWires > 0
+                    ? t('editor.canvas.removeConfirm.bodyWithWires', { count: connectedWires })
+                    : t('editor.canvas.removeConfirm.body')}
                 </p>
                 <div style={{ display: 'flex', gap: 8, justifyContent: 'flex-end' }}>
                   <button
@@ -2737,7 +2731,7 @@ export const SimulatorCanvas = ({ headerSlot }: SimulatorCanvasProps = {}) => {
                       fontSize: 13,
                     }}
                   >
-                    Cancel
+                    {t('editor.canvas.removeConfirm.cancel')}
                   </button>
                   <button
                     onClick={() => {
@@ -2754,7 +2748,7 @@ export const SimulatorCanvas = ({ headerSlot }: SimulatorCanvasProps = {}) => {
                       fontSize: 13,
                     }}
                   >
-                    Remove
+                    {t('editor.canvas.removeConfirm.remove')}
                   </button>
                 </div>
               </div>
diff --git a/frontend/src/i18n/locales/de/common.json b/frontend/src/i18n/locales/de/common.json
index 5b70ecb7..87916db8 100644
--- a/frontend/src/i18n/locales/de/common.json
+++ b/frontend/src/i18n/locales/de/common.json
@@ -179,6 +179,49 @@
       "copy": "Kopieren",
       "privateWarning": "Dieses Projekt ist privat. Andere sehen beim Öffnen des Links einen 403-Fehler.",
       "close": "Schließen"
+    },
+    "canvas": {
+      "status": {
+        "running": "Läuft",
+        "stopped": "Gestoppt"
+      },
+      "activeBoard": "Aktives Board",
+      "noBoard": "Kein Board",
+      "noBoardHint": "Kein Board auf der Leinwand — füge eines über den Hinzufügen-Button hinzu, um Code zu kompilieren und auszuführen",
+      "undo": {
+        "label": "Rückgängig",
+        "title": "Rückgängig: {{description}} (Strg+Z)",
+        "empty": "Nichts rückgängig zu machen"
+      },
+      "redo": {
+        "label": "Wiederherstellen",
+        "title": "Wiederherstellen: {{description}} (Strg+Y)",
+        "empty": "Nichts wiederherzustellen"
+      },
+      "toggleSerialMonitor": "Serial Monitor umschalten",
+      "serial": "Serial",
+      "toggleScope": "Oszilloskop / Logikanalysator umschalten",
+      "scope": "Scope",
+      "zoomIn": "Vergrößern",
+      "zoomOut": "Verkleinern",
+      "resetView": "Ansicht zurücksetzen (klicken zum Zurücksetzen)",
+      "componentCount_one": "{{count}} Bauteil",
+      "componentCount_other": "{{count}} Bauteile",
+      "addComponentTitle": "Bauteil hinzufügen",
+      "add": "Hinzufügen",
+      "dismiss": "Schließen",
+      "removeBoard": "Board entfernen",
+      "wireCount_one": "{{count}} Draht",
+      "wireCount_other": "{{count}} Drähte",
+      "removeConfirm": {
+        "boardFallback": "Board",
+        "title": "{{label}} entfernen?",
+        "body": "Das Board wird aus dem Arbeitsbereich entfernt. Dieser Vorgang kann nicht rückgängig gemacht werden.",
+        "bodyWithWires_one": "Das Board wird aus dem Arbeitsbereich entfernt zusammen mit {{count}} verbundenen Draht. Dieser Vorgang kann nicht rückgängig gemacht werden.",
+        "bodyWithWires_other": "Das Board wird aus dem Arbeitsbereich entfernt zusammen mit {{count}} verbundenen Drähten. Dieser Vorgang kann nicht rückgängig gemacht werden.",
+        "cancel": "Abbrechen",
+        "remove": "Entfernen"
+      }
     }
   }
 }
diff --git a/frontend/src/i18n/locales/en/common.json b/frontend/src/i18n/locales/en/common.json
index a0d451af..bb36719a 100644
--- a/frontend/src/i18n/locales/en/common.json
+++ b/frontend/src/i18n/locales/en/common.json
@@ -179,6 +179,49 @@
       "copy": "Copy",
       "privateWarning": "This project is private. Others will see a 403 error when opening this link.",
       "close": "Close"
+    },
+    "canvas": {
+      "status": {
+        "running": "Running",
+        "stopped": "Stopped"
+      },
+      "activeBoard": "Active board",
+      "noBoard": "No board",
+      "noBoardHint": "No board on canvas — add one with the Add button to compile and run code",
+      "undo": {
+        "label": "Undo",
+        "title": "Undo: {{description}} (Ctrl+Z)",
+        "empty": "Nothing to undo"
+      },
+      "redo": {
+        "label": "Redo",
+        "title": "Redo: {{description}} (Ctrl+Y)",
+        "empty": "Nothing to redo"
+      },
+      "toggleSerialMonitor": "Toggle Serial Monitor",
+      "serial": "Serial",
+      "toggleScope": "Toggle Oscilloscope / Logic Analyzer",
+      "scope": "Scope",
+      "zoomIn": "Zoom in",
+      "zoomOut": "Zoom out",
+      "resetView": "Reset view (click to reset)",
+      "componentCount_one": "{{count}} component",
+      "componentCount_other": "{{count}} components",
+      "addComponentTitle": "Add Component",
+      "add": "Add",
+      "dismiss": "Dismiss",
+      "removeBoard": "Remove board",
+      "wireCount_one": "{{count}} wire",
+      "wireCount_other": "{{count}} wires",
+      "removeConfirm": {
+        "boardFallback": "Board",
+        "title": "Remove {{label}}?",
+        "body": "This will remove the board from the workspace. This action cannot be undone.",
+        "bodyWithWires_one": "This will remove the board from the workspace and {{count}} connected wire. This action cannot be undone.",
+        "bodyWithWires_other": "This will remove the board from the workspace and {{count}} connected wires. This action cannot be undone.",
+        "cancel": "Cancel",
+        "remove": "Remove"
+      }
     }
   }
 }
diff --git a/frontend/src/i18n/locales/es/common.json b/frontend/src/i18n/locales/es/common.json
index 39873647..10d10df5 100644
--- a/frontend/src/i18n/locales/es/common.json
+++ b/frontend/src/i18n/locales/es/common.json
@@ -179,6 +179,49 @@
       "copy": "Copiar",
       "privateWarning": "Este proyecto es privado. Otros verán un error 403 al abrir este enlace.",
       "close": "Cerrar"
+    },
+    "canvas": {
+      "status": {
+        "running": "En ejecución",
+        "stopped": "Detenido"
+      },
+      "activeBoard": "Placa activa",
+      "noBoard": "Sin placa",
+      "noBoardHint": "No hay placa en el lienzo — añade una con el botón Añadir para compilar y ejecutar código",
+      "undo": {
+        "label": "Deshacer",
+        "title": "Deshacer: {{description}} (Ctrl+Z)",
+        "empty": "Nada que deshacer"
+      },
+      "redo": {
+        "label": "Rehacer",
+        "title": "Rehacer: {{description}} (Ctrl+Y)",
+        "empty": "Nada que rehacer"
+      },
+      "toggleSerialMonitor": "Mostrar/ocultar monitor serie",
+      "serial": "Serie",
+      "toggleScope": "Mostrar/ocultar osciloscopio / analizador lógico",
+      "scope": "Osciloscopio",
+      "zoomIn": "Acercar",
+      "zoomOut": "Alejar",
+      "resetView": "Restablecer vista (clic para restablecer)",
+      "componentCount_one": "{{count}} componente",
+      "componentCount_other": "{{count}} componentes",
+      "addComponentTitle": "Añadir componente",
+      "add": "Añadir",
+      "dismiss": "Descartar",
+      "removeBoard": "Quitar placa",
+      "wireCount_one": "{{count}} cable",
+      "wireCount_other": "{{count}} cables",
+      "removeConfirm": {
+        "boardFallback": "Placa",
+        "title": "¿Quitar {{label}}?",
+        "body": "Esto eliminará la placa del espacio de trabajo. Esta acción no se puede deshacer.",
+        "bodyWithWires_one": "Esto eliminará la placa del espacio de trabajo y {{count}} cable conectado. Esta acción no se puede deshacer.",
+        "bodyWithWires_other": "Esto eliminará la placa del espacio de trabajo y {{count}} cables conectados. Esta acción no se puede deshacer.",
+        "cancel": "Cancelar",
+        "remove": "Quitar"
+      }
     }
   }
 }
diff --git a/frontend/src/i18n/locales/fr/common.json b/frontend/src/i18n/locales/fr/common.json
index 1691feee..756d53e3 100644
--- a/frontend/src/i18n/locales/fr/common.json
+++ b/frontend/src/i18n/locales/fr/common.json
@@ -179,6 +179,49 @@
       "copy": "Copier",
       "privateWarning": "Ce projet est privé. Les autres verront une erreur 403 en ouvrant ce lien.",
       "close": "Fermer"
+    },
+    "canvas": {
+      "status": {
+        "running": "En cours",
+        "stopped": "Arrêté"
+      },
+      "activeBoard": "Carte active",
+      "noBoard": "Aucune carte",
+      "noBoardHint": "Aucune carte sur le canevas — ajoutez-en une avec le bouton Ajouter pour compiler et exécuter du code",
+      "undo": {
+        "label": "Annuler",
+        "title": "Annuler : {{description}} (Ctrl+Z)",
+        "empty": "Rien à annuler"
+      },
+      "redo": {
+        "label": "Rétablir",
+        "title": "Rétablir : {{description}} (Ctrl+Y)",
+        "empty": "Rien à rétablir"
+      },
+      "toggleSerialMonitor": "Afficher/masquer le moniteur série",
+      "serial": "Série",
+      "toggleScope": "Afficher/masquer l'oscilloscope / analyseur logique",
+      "scope": "Oscilloscope",
+      "zoomIn": "Zoom avant",
+      "zoomOut": "Zoom arrière",
+      "resetView": "Réinitialiser la vue (cliquez pour réinitialiser)",
+      "componentCount_one": "{{count}} composant",
+      "componentCount_other": "{{count}} composants",
+      "addComponentTitle": "Ajouter un composant",
+      "add": "Ajouter",
+      "dismiss": "Fermer",
+      "removeBoard": "Retirer la carte",
+      "wireCount_one": "{{count}} fil",
+      "wireCount_other": "{{count}} fils",
+      "removeConfirm": {
+        "boardFallback": "Carte",
+        "title": "Retirer {{label}} ?",
+        "body": "La carte sera retirée de l'espace de travail. Cette action est irréversible.",
+        "bodyWithWires_one": "La carte sera retirée de l'espace de travail ainsi que {{count}} fil connecté. Cette action est irréversible.",
+        "bodyWithWires_other": "La carte sera retirée de l'espace de travail ainsi que {{count}} fils connectés. Cette action est irréversible.",
+        "cancel": "Annuler",
+        "remove": "Retirer"
+      }
     }
   }
 }
diff --git a/frontend/src/i18n/locales/it/common.json b/frontend/src/i18n/locales/it/common.json
index 699a8ae7..b5b05cc5 100644
--- a/frontend/src/i18n/locales/it/common.json
+++ b/frontend/src/i18n/locales/it/common.json
@@ -179,6 +179,49 @@
       "copy": "Copia",
       "privateWarning": "Questo progetto è privato. Gli altri vedranno un errore 403 aprendo il link.",
       "close": "Chiudi"
+    },
+    "canvas": {
+      "status": {
+        "running": "In esecuzione",
+        "stopped": "Fermato"
+      },
+      "activeBoard": "Scheda attiva",
+      "noBoard": "Nessuna scheda",
+      "noBoardHint": "Nessuna scheda sul canvas — aggiungine una con il pulsante Aggiungi per compilare ed eseguire codice",
+      "undo": {
+        "label": "Annulla",
+        "title": "Annulla: {{description}} (Ctrl+Z)",
+        "empty": "Niente da annullare"
+      },
+      "redo": {
+        "label": "Ripeti",
+        "title": "Ripeti: {{description}} (Ctrl+Y)",
+        "empty": "Niente da ripetere"
+      },
+      "toggleSerialMonitor": "Mostra/nascondi monitor seriale",
+      "serial": "Seriale",
+      "toggleScope": "Mostra/nascondi oscilloscopio / analizzatore logico",
+      "scope": "Oscilloscopio",
+      "zoomIn": "Zoom avanti",
+      "zoomOut": "Zoom indietro",
+      "resetView": "Ripristina vista (clic per ripristinare)",
+      "componentCount_one": "{{count}} componente",
+      "componentCount_other": "{{count}} componenti",
+      "addComponentTitle": "Aggiungi componente",
+      "add": "Aggiungi",
+      "dismiss": "Ignora",
+      "removeBoard": "Rimuovi scheda",
+      "wireCount_one": "{{count}} filo",
+      "wireCount_other": "{{count}} fili",
+      "removeConfirm": {
+        "boardFallback": "Scheda",
+        "title": "Rimuovere {{label}}?",
+        "body": "La scheda verrà rimossa dal workspace. Questa azione non può essere annullata.",
+        "bodyWithWires_one": "La scheda verrà rimossa dal workspace insieme a {{count}} filo collegato. Questa azione non può essere annullata.",
+        "bodyWithWires_other": "La scheda verrà rimossa dal workspace insieme a {{count}} fili collegati. Questa azione non può essere annullata.",
+        "cancel": "Annulla",
+        "remove": "Rimuovi"
+      }
     }
   }
 }
diff --git a/frontend/src/i18n/locales/ja/common.json b/frontend/src/i18n/locales/ja/common.json
index d8cb4b83..8543d946 100644
--- a/frontend/src/i18n/locales/ja/common.json
+++ b/frontend/src/i18n/locales/ja/common.json
@@ -179,6 +179,46 @@
       "copy": "コピー",
       "privateWarning": "このプロジェクトは非公開です。他の人がこのリンクを開くと 403 エラーが表示されます。",
       "close": "閉じる"
+    },
+    "canvas": {
+      "status": {
+        "running": "実行中",
+        "stopped": "停止中"
+      },
+      "activeBoard": "アクティブなボード",
+      "noBoard": "ボードなし",
+      "noBoardHint": "キャンバスにボードがありません — 「追加」ボタンでボードを追加するとコードのコンパイルと実行ができます",
+      "undo": {
+        "label": "元に戻す",
+        "title": "元に戻す：{{description}} (Ctrl+Z)",
+        "empty": "元に戻す操作はありません"
+      },
+      "redo": {
+        "label": "やり直し",
+        "title": "やり直し：{{description}} (Ctrl+Y)",
+        "empty": "やり直す操作はありません"
+      },
+      "toggleSerialMonitor": "シリアルモニタの切り替え",
+      "serial": "シリアル",
+      "toggleScope": "オシロスコープ / ロジックアナライザの切り替え",
+      "scope": "スコープ",
+      "zoomIn": "ズームイン",
+      "zoomOut": "ズームアウト",
+      "resetView": "ビューをリセット（クリックでリセット）",
+      "componentCount_other": "{{count}} 個のコンポーネント",
+      "addComponentTitle": "コンポーネントを追加",
+      "add": "追加",
+      "dismiss": "閉じる",
+      "removeBoard": "ボードを削除",
+      "wireCount_other": "{{count}} 本の配線",
+      "removeConfirm": {
+        "boardFallback": "ボード",
+        "title": "{{label}} を削除しますか？",
+        "body": "このボードをワークスペースから削除します。この操作は取り消せません。",
+        "bodyWithWires_other": "このボードと接続された {{count}} 本の配線をワークスペースから削除します。この操作は取り消せません。",
+        "cancel": "キャンセル",
+        "remove": "削除"
+      }
     }
   }
 }
diff --git a/frontend/src/i18n/locales/pt-br/common.json b/frontend/src/i18n/locales/pt-br/common.json
index d626536e..a78d25b2 100644
--- a/frontend/src/i18n/locales/pt-br/common.json
+++ b/frontend/src/i18n/locales/pt-br/common.json
@@ -179,6 +179,49 @@
       "copy": "Copiar",
       "privateWarning": "Este projeto é privado. Outros verão um erro 403 ao abrir este link.",
       "close": "Fechar"
+    },
+    "canvas": {
+      "status": {
+        "running": "Em execução",
+        "stopped": "Parado"
+      },
+      "activeBoard": "Placa ativa",
+      "noBoard": "Sem placa",
+      "noBoardHint": "Sem placa na tela — adicione uma com o botão Adicionar para compilar e executar código",
+      "undo": {
+        "label": "Desfazer",
+        "title": "Desfazer: {{description}} (Ctrl+Z)",
+        "empty": "Nada para desfazer"
+      },
+      "redo": {
+        "label": "Refazer",
+        "title": "Refazer: {{description}} (Ctrl+Y)",
+        "empty": "Nada para refazer"
+      },
+      "toggleSerialMonitor": "Alternar monitor serial",
+      "serial": "Serial",
+      "toggleScope": "Alternar osciloscópio / analisador lógico",
+      "scope": "Osciloscópio",
+      "zoomIn": "Aumentar zoom",
+      "zoomOut": "Reduzir zoom",
+      "resetView": "Redefinir visualização (clique para redefinir)",
+      "componentCount_one": "{{count}} componente",
+      "componentCount_other": "{{count}} componentes",
+      "addComponentTitle": "Adicionar componente",
+      "add": "Adicionar",
+      "dismiss": "Dispensar",
+      "removeBoard": "Remover placa",
+      "wireCount_one": "{{count}} fio",
+      "wireCount_other": "{{count}} fios",
+      "removeConfirm": {
+        "boardFallback": "Placa",
+        "title": "Remover {{label}}?",
+        "body": "Isso vai remover a placa do espaço de trabalho. Esta ação não pode ser desfeita.",
+        "bodyWithWires_one": "Isso vai remover a placa do espaço de trabalho e {{count}} fio conectado. Esta ação não pode ser desfeita.",
+        "bodyWithWires_other": "Isso vai remover a placa do espaço de trabalho e {{count}} fios conectados. Esta ação não pode ser desfeita.",
+        "cancel": "Cancelar",
+        "remove": "Remover"
+      }
     }
   }
 }
diff --git a/frontend/src/i18n/locales/ru/common.json b/frontend/src/i18n/locales/ru/common.json
index 6babd585..da86c765 100644
--- a/frontend/src/i18n/locales/ru/common.json
+++ b/frontend/src/i18n/locales/ru/common.json
@@ -179,6 +179,55 @@
       "copy": "Копировать",
       "privateWarning": "Этот проект приватный. Другие увидят ошибку 403 при открытии ссылки.",
       "close": "Закрыть"
+    },
+    "canvas": {
+      "status": {
+        "running": "Работает",
+        "stopped": "Остановлено"
+      },
+      "activeBoard": "Активная плата",
+      "noBoard": "Нет платы",
+      "noBoardHint": "На холсте нет платы — добавьте её кнопкой «Добавить», чтобы скомпилировать и запустить код",
+      "undo": {
+        "label": "Отменить",
+        "title": "Отменить: {{description}} (Ctrl+Z)",
+        "empty": "Нечего отменять"
+      },
+      "redo": {
+        "label": "Повторить",
+        "title": "Повторить: {{description}} (Ctrl+Y)",
+        "empty": "Нечего повторять"
+      },
+      "toggleSerialMonitor": "Показать/скрыть Serial Monitor",
+      "serial": "Serial",
+      "toggleScope": "Показать/скрыть осциллограф / логический анализатор",
+      "scope": "Осциллограф",
+      "zoomIn": "Приблизить",
+      "zoomOut": "Отдалить",
+      "resetView": "Сбросить вид (нажмите для сброса)",
+      "componentCount_one": "{{count}} компонент",
+      "componentCount_few": "{{count}} компонента",
+      "componentCount_many": "{{count}} компонентов",
+      "componentCount_other": "{{count}} компонентов",
+      "addComponentTitle": "Добавить компонент",
+      "add": "Добавить",
+      "dismiss": "Закрыть",
+      "removeBoard": "Удалить плату",
+      "wireCount_one": "{{count}} провод",
+      "wireCount_few": "{{count}} провода",
+      "wireCount_many": "{{count}} проводов",
+      "wireCount_other": "{{count}} проводов",
+      "removeConfirm": {
+        "boardFallback": "Плата",
+        "title": "Удалить {{label}}?",
+        "body": "Плата будет удалена из рабочей области. Это действие нельзя отменить.",
+        "bodyWithWires_one": "Плата будет удалена из рабочей области вместе с {{count}} подключённым проводом. Это действие нельзя отменить.",
+        "bodyWithWires_few": "Плата будет удалена из рабочей области вместе с {{count}} подключёнными проводами. Это действие нельзя отменить.",
+        "bodyWithWires_many": "Плата будет удалена из рабочей области вместе с {{count}} подключёнными проводами. Это действие нельзя отменить.",
+        "bodyWithWires_other": "Плата будет удалена из рабочей области вместе с {{count}} подключёнными проводами. Это действие нельзя отменить.",
+        "cancel": "Отмена",
+        "remove": "Удалить"
+      }
     }
   }
 }
diff --git a/frontend/src/i18n/locales/zh-cn/common.json b/frontend/src/i18n/locales/zh-cn/common.json
index 4176f37a..661df906 100644
--- a/frontend/src/i18n/locales/zh-cn/common.json
+++ b/frontend/src/i18n/locales/zh-cn/common.json
@@ -179,6 +179,46 @@
       "copy": "复制",
       "privateWarning": "此项目为私有。他人打开此链接将看到 403 错误。",
       "close": "关闭"
+    },
+    "canvas": {
+      "status": {
+        "running": "运行中",
+        "stopped": "已停止"
+      },
+      "activeBoard": "当前开发板",
+      "noBoard": "无开发板",
+      "noBoardHint": "画布上没有开发板 —— 点击「添加」按钮以编译并运行代码",
+      "undo": {
+        "label": "撤销",
+        "title": "撤销：{{description}} (Ctrl+Z)",
+        "empty": "无可撤销"
+      },
+      "redo": {
+        "label": "重做",
+        "title": "重做：{{description}} (Ctrl+Y)",
+        "empty": "无可重做"
+      },
+      "toggleSerialMonitor": "切换串口监视器",
+      "serial": "串口",
+      "toggleScope": "切换示波器 / 逻辑分析仪",
+      "scope": "示波器",
+      "zoomIn": "放大",
+      "zoomOut": "缩小",
+      "resetView": "重置视图（点击重置）",
+      "componentCount_other": "{{count}} 个元件",
+      "addComponentTitle": "添加元件",
+      "add": "添加",
+      "dismiss": "关闭",
+      "removeBoard": "移除开发板",
+      "wireCount_other": "{{count}} 根连线",
+      "removeConfirm": {
+        "boardFallback": "开发板",
+        "title": "移除 {{label}}？",
+        "body": "这将从工作区中移除该开发板。此操作无法撤销。",
+        "bodyWithWires_other": "这将从工作区中移除该开发板以及 {{count}} 根连接的线缆。此操作无法撤销。",
+        "cancel": "取消",
+        "remove": "移除"
+      }
     }
   }
 }