diff --git a/src/pages/stock/screener/components/canvas/constants/canvasLayout.js b/src/pages/stock/screener/components/canvas/constants/canvasLayout.js
new file mode 100644
index 0000000..a2363f1
--- /dev/null
+++ b/src/pages/stock/screener/components/canvas/constants/canvasLayout.js
@@ -0,0 +1,80 @@
+export const NODE_IDS = {
+  DATA:     'data',
+  GATE:     'gate-hygiene',
+  FOREIGN:  'score-foreign-buy',
+  VOLUME:   'score-volume-surge',
+  MOMENTUM: 'score-momentum',
+  HIGH52W:  'score-high52w',
+  RS:       'score-rs-rating',
+  MA:       'score-ma-alignment',
+  VCP:      'score-vcp-lite',
+  COMBINE:  'combine',
+  RESULT:   'result',
+};
+
+export const NODE_KIND_MAP = {
+  [NODE_IDS.DATA]:     'data',
+  [NODE_IDS.GATE]:     'gate',
+  [NODE_IDS.FOREIGN]:  'score',
+  [NODE_IDS.VOLUME]:   'score',
+  [NODE_IDS.MOMENTUM]: 'score',
+  [NODE_IDS.HIGH52W]:  'score',
+  [NODE_IDS.RS]:       'score',
+  [NODE_IDS.MA]:       'score',
+  [NODE_IDS.VCP]:      'score',
+  [NODE_IDS.COMBINE]:  'combine',
+  [NODE_IDS.RESULT]:   'result',
+};
+
+// 캔버스 노드 ID → 백엔드 score node name (registry 키)
+export const SCORE_NODE_NAME_MAP = {
+  [NODE_IDS.FOREIGN]:  'foreign_buy',
+  [NODE_IDS.VOLUME]:   'volume_surge',
+  [NODE_IDS.MOMENTUM]: 'momentum',
+  [NODE_IDS.HIGH52W]:  'high52w',
+  [NODE_IDS.RS]:       'rs_rating',
+  [NODE_IDS.MA]:       'ma_alignment',
+  [NODE_IDS.VCP]:      'vcp_lite',
+};
+
+// 4단 layout: DATA → GATE → (점수 7개 세로) → COMBINE → RESULT
+export const INITIAL_NODE_POSITIONS = {
+  [NODE_IDS.DATA]:     { x:   40, y: 280 },
+  [NODE_IDS.GATE]:     { x:  240, y: 280 },
+  [NODE_IDS.FOREIGN]:  { x:  480, y:   0 },
+  [NODE_IDS.VOLUME]:   { x:  480, y:  90 },
+  [NODE_IDS.MOMENTUM]: { x:  480, y: 180 },
+  [NODE_IDS.HIGH52W]:  { x:  480, y: 270 },
+  [NODE_IDS.RS]:       { x:  480, y: 360 },
+  [NODE_IDS.MA]:       { x:  480, y: 450 },
+  [NODE_IDS.VCP]:      { x:  480, y: 540 },
+  [NODE_IDS.COMBINE]:  { x:  800, y: 280 },
+  [NODE_IDS.RESULT]:   { x: 1080, y: 280 },
+};
+
+const SCORE_KEYS = ['FOREIGN','VOLUME','MOMENTUM','HIGH52W','RS','MA','VCP'];
+
+export const EDGES = [
+  { id: 'e-data-gate', source: NODE_IDS.DATA, target: NODE_IDS.GATE },
+  ...SCORE_KEYS.map((k) => ({
+    id: `e-gate-${k.toLowerCase()}`,
+    source: NODE_IDS.GATE,
+    target: NODE_IDS[k],
+  })),
+  ...SCORE_KEYS.map((k) => ({
+    id: `e-${k.toLowerCase()}-combine`,
+    source: NODE_IDS[k],
+    target: NODE_IDS.COMBINE,
+  })),
+  { id: 'e-combine-result', source: NODE_IDS.COMBINE, target: NODE_IDS.RESULT },
+];
+
+export const SCORE_NODE_LABEL = {
+  [NODE_IDS.FOREIGN]:  { icon: '🌏', title: '외국인 매수' },
+  [NODE_IDS.VOLUME]:   { icon: '📊', title: '거래량 급증' },
+  [NODE_IDS.MOMENTUM]: { icon: '🚀', title: '모멘텀' },
+  [NODE_IDS.HIGH52W]:  { icon: '🔝', title: '52주 고가' },
+  [NODE_IDS.RS]:       { icon: '💪', title: 'RS Rating' },
+  [NODE_IDS.MA]:       { icon: '📈', title: '이평선 정렬' },
+  [NODE_IDS.VCP]:      { icon: '🌀', title: 'VCP-lite' },
+};
diff --git a/src/pages/stock/screener/components/canvas/constants/canvasLayout.test.js b/src/pages/stock/screener/components/canvas/constants/canvasLayout.test.js
new file mode 100644
index 0000000..b3e6234
--- /dev/null
+++ b/src/pages/stock/screener/components/canvas/constants/canvasLayout.test.js
@@ -0,0 +1,62 @@
+import { describe, it, expect } from 'vitest';
+import {
+  NODE_IDS, INITIAL_NODE_POSITIONS, EDGES,
+  NODE_KIND_MAP, SCORE_NODE_NAME_MAP,
+} from './canvasLayout';
+
+describe('canvasLayout', () => {
+  it('NODE_IDS — 11개 키, 모두 unique', () => {
+    const ids = Object.values(NODE_IDS);
+    expect(ids).toHaveLength(11);
+    expect(new Set(ids).size).toBe(11);
+  });
+
+  it('INITIAL_NODE_POSITIONS — 모든 NODE_IDS에 좌표 존재', () => {
+    for (const id of Object.values(NODE_IDS)) {
+      expect(INITIAL_NODE_POSITIONS[id]).toMatchObject({
+        x: expect.any(Number),
+        y: expect.any(Number),
+      });
+    }
+  });
+
+  it('EDGES — 16개, source/target이 모두 NODE_IDS 안에 존재', () => {
+    expect(EDGES).toHaveLength(16);
+    const validIds = new Set(Object.values(NODE_IDS));
+    for (const e of EDGES) {
+      expect(validIds.has(e.source)).toBe(true);
+      expect(validIds.has(e.target)).toBe(true);
+      expect(e.id).toBeTruthy();
+    }
+  });
+
+  it('EDGES — 7개 점수 노드는 모두 gate 입력 + combine 출력을 가짐', () => {
+    const SCORE_IDS = [
+      NODE_IDS.FOREIGN, NODE_IDS.VOLUME, NODE_IDS.MOMENTUM,
+      NODE_IDS.HIGH52W, NODE_IDS.RS, NODE_IDS.MA, NODE_IDS.VCP,
+    ];
+    for (const sid of SCORE_IDS) {
+      const hasGateInput = EDGES.some(
+        (e) => e.source === NODE_IDS.GATE && e.target === sid
+      );
+      const hasCombineOutput = EDGES.some(
+        (e) => e.source === sid && e.target === NODE_IDS.COMBINE
+      );
+      expect(hasGateInput).toBe(true);
+      expect(hasCombineOutput).toBe(true);
+    }
+  });
+
+  it('NODE_KIND_MAP — 각 노드의 kind ∈ {data,gate,score,combine,result}', () => {
+    const valid = new Set(['data','gate','score','combine','result']);
+    for (const id of Object.values(NODE_IDS)) {
+      expect(valid.has(NODE_KIND_MAP[id])).toBe(true);
+    }
+  });
+
+  it('SCORE_NODE_NAME_MAP — 7개 점수 노드 ID → backend node name', () => {
+    expect(Object.keys(SCORE_NODE_NAME_MAP)).toHaveLength(7);
+    expect(SCORE_NODE_NAME_MAP[NODE_IDS.FOREIGN]).toBe('foreign_buy');
+    expect(SCORE_NODE_NAME_MAP[NODE_IDS.VOLUME]).toBe('volume_surge');
+  });
+});