[backport 1.27] OpenAIVideoSora2 Frontend pricing (#5967)

Backport of #5958 to `core/1.27`

Automatically created by backport workflow.

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-5967-backport-1-27-OpenAIVideoSora2-Frontend-pricing-2866d73d365081b8a146d579824a005d)
by [Unito](https://www.unito.io)

---------

Co-authored-by: Marwan Ahmed <155799754+marawan206@users.noreply.github.com>
Co-authored-by: Alexander Brown <drjkl@comfy.org>

tests-ui/tests/composables/node/useNodePricing.test.ts

@@ -269,7 +269,115 @@ describe('useNodePricing', () => {
       expect(price).toBe('$0.04-0.12/Run (varies with size & quality)')
     })
   })
+  // ============================== OpenAIVideoSora2 ==============================
+  describe('dynamic pricing - OpenAIVideoSora2', () => {
+    it('should require model, duration & size when widgets are missing', () => {
+      const { getNodeDisplayPrice } = useNodePricing()
+      const node = createMockNode('OpenAIVideoSora2', [])
+      expect(getNodeDisplayPrice(node)).toBe('Set model, duration & size')
+    })
 
+    it('should require duration when duration is invalid or zero', () => {
+      const { getNodeDisplayPrice } = useNodePricing()
+      const nodeNaN = createMockNode('OpenAIVideoSora2', [
+        { name: 'model', value: 'sora-2-pro' },
+        { name: 'duration', value: 'oops' },
+        { name: 'size', value: '720x1280' }
+      ])
+      expect(getNodeDisplayPrice(nodeNaN)).toBe('Set model, duration & size')
+
+      const nodeZero = createMockNode('OpenAIVideoSora2', [
+        { name: 'model', value: 'sora-2-pro' },
+        { name: 'duration', value: 0 },
+        { name: 'size', value: '720x1280' }
+      ])
+      expect(getNodeDisplayPrice(nodeZero)).toBe('Set model, duration & size')
+    })
+
+    it('should require size when size is missing', () => {
+      const { getNodeDisplayPrice } = useNodePricing()
+      const node = createMockNode('OpenAIVideoSora2', [
+        { name: 'model', value: 'sora-2-pro' },
+        { name: 'duration', value: 8 }
+      ])
+      expect(getNodeDisplayPrice(node)).toBe('Set model, duration & size')
+    })
+
+    it('should compute pricing for sora-2-pro with 1024x1792', () => {
+      const { getNodeDisplayPrice } = useNodePricing()
+      const node = createMockNode('OpenAIVideoSora2', [
+        { name: 'model', value: 'sora-2-pro' },
+        { name: 'duration', value: 8 },
+        { name: 'size', value: '1024x1792' }
+      ])
+      expect(getNodeDisplayPrice(node)).toBe('$4.00/Run') // 0.5 * 8
+    })
+
+    it('should compute pricing for sora-2-pro with 720x1280', () => {
+      const { getNodeDisplayPrice } = useNodePricing()
+      const node = createMockNode('OpenAIVideoSora2', [
+        { name: 'model', value: 'sora-2-pro' },
+        { name: 'duration', value: 12 },
+        { name: 'size', value: '720x1280' }
+      ])
+      expect(getNodeDisplayPrice(node)).toBe('$3.60/Run') // 0.3 * 12
+    })
+
+    it('should reject unsupported size for sora-2-pro', () => {
+      const { getNodeDisplayPrice } = useNodePricing()
+      const node = createMockNode('OpenAIVideoSora2', [
+        { name: 'model', value: 'sora-2-pro' },
+        { name: 'duration', value: 8 },
+        { name: 'size', value: '640x640' }
+      ])
+      expect(getNodeDisplayPrice(node)).toBe(
+        'Invalid size. Must be 720x1280, 1280x720, 1024x1792, or 1792x1024.'
+      )
+    })
+
+    it('should compute pricing for sora-2 (720x1280 only)', () => {
+      const { getNodeDisplayPrice } = useNodePricing()
+      const node = createMockNode('OpenAIVideoSora2', [
+        { name: 'model', value: 'sora-2' },
+        { name: 'duration', value: 10 },
+        { name: 'size', value: '720x1280' }
+      ])
+      expect(getNodeDisplayPrice(node)).toBe('$1.00/Run') // 0.1 * 10
+    })
+
+    it('should reject non-720 sizes for sora-2', () => {
+      const { getNodeDisplayPrice } = useNodePricing()
+      const node = createMockNode('OpenAIVideoSora2', [
+        { name: 'model', value: 'sora-2' },
+        { name: 'duration', value: 8 },
+        { name: 'size', value: '1024x1792' }
+      ])
+      expect(getNodeDisplayPrice(node)).toBe(
+        'sora-2 supports only 720x1280 or 1280x720'
+      )
+    })
+    it('should accept duration_s alias for duration', () => {
+      const { getNodeDisplayPrice } = useNodePricing()
+      const node = createMockNode('OpenAIVideoSora2', [
+        { name: 'model', value: 'sora-2-pro' },
+        { name: 'duration_s', value: 4 },
+        { name: 'size', value: '1792x1024' }
+      ])
+      expect(getNodeDisplayPrice(node)).toBe('$2.00/Run') // 0.5 * 4
+    })
+
+    it('should be case-insensitive for model and size', () => {
+      const { getNodeDisplayPrice } = useNodePricing()
+      const node = createMockNode('OpenAIVideoSora2', [
+        { name: 'model', value: 'SoRa-2-PrO' },
+        { name: 'duration', value: 12 },
+        { name: 'size', value: '1280x720' }
+      ])
+      expect(getNodeDisplayPrice(node)).toBe('$3.60/Run') // 0.3 * 12
+    })
+  })
+
+  // ============================== MinimaxHailuoVideoNode ==============================
   describe('dynamic pricing - MinimaxHailuoVideoNode', () => {
     it('should return $0.28 for 6s duration and 768P resolution', () => {
       const { getNodeDisplayPrice } = useNodePricing()