diff --git a/browser_tests/tests/vueNodes/linkInteraction.spec.ts b/browser_tests/tests/vueNodes/linkInteraction.spec.ts
index 33d754b6d..80e758414 100644
--- a/browser_tests/tests/vueNodes/linkInteraction.spec.ts
+++ b/browser_tests/tests/vueNodes/linkInteraction.spec.ts
@@ -63,4 +63,191 @@ test.describe('Vue Node Link Interaction', () => {
       await comfyMouse.drop()
     }
   })
+
+  test('should create a link when dropping on a compatible slot', async ({
+    comfyPage,
+    comfyMouse
+  }) => {
+    const samplerNodes = await comfyPage.getNodeRefsByType('KSampler')
+    expect(samplerNodes.length).toBeGreaterThan(0)
+    const samplerNode = samplerNodes[0]
+
+    const vaeNodes = await comfyPage.getNodeRefsByType('VAEDecode')
+    expect(vaeNodes.length).toBeGreaterThan(0)
+    const vaeNode = vaeNodes[0]
+
+    const samplerOutput = await samplerNode.getOutput(0)
+    const vaeInput = await vaeNode.getInput(0)
+
+    const outputSlotKey = getSlotKey(String(samplerNode.id), 0, false)
+    const inputSlotKey = getSlotKey(String(vaeNode.id), 0, true)
+
+    const outputSlot = comfyPage.page.locator(
+      `[data-slot-key="${outputSlotKey}"]`
+    )
+    const inputSlot = comfyPage.page.locator(
+      `[data-slot-key="${inputSlotKey}"]`
+    )
+
+    await expect(outputSlot).toBeVisible()
+    await expect(inputSlot).toBeVisible()
+
+    const start = await getCenter(outputSlot)
+    const target = await getCenter(inputSlot)
+
+    await comfyMouse.move(start)
+
+    try {
+      await comfyMouse.drag(target)
+    } finally {
+      await comfyMouse.drop()
+    }
+
+    await comfyPage.nextFrame()
+
+    expect(await samplerOutput.getLinkCount()).toBe(1)
+    expect(await vaeInput.getLinkCount()).toBe(1)
+
+    const linkDetails = await comfyPage.page.evaluate((sourceId) => {
+      const app = window['app']
+      const graph = app?.canvas?.graph ?? app?.graph
+      if (!graph) return null
+
+      const source = graph.getNodeById(sourceId)
+      if (!source) return null
+
+      const linkId = source.outputs[0]?.links?.[0]
+      if (linkId == null) return null
+
+      const link = graph.links[linkId]
+      if (!link) return null
+
+      return {
+        originId: link.origin_id,
+        originSlot: link.origin_slot,
+        targetId: link.target_id,
+        targetSlot: link.target_slot
+      }
+    }, samplerNode.id)
+
+    expect(linkDetails).not.toBeNull()
+    expect(linkDetails).toMatchObject({
+      originId: samplerNode.id,
+      originSlot: 0,
+      targetId: vaeNode.id,
+      targetSlot: 0
+    })
+  })
+
+  test('should not create a link when slot types are incompatible', async ({
+    comfyPage,
+    comfyMouse
+  }) => {
+    const samplerNodes = await comfyPage.getNodeRefsByType('KSampler')
+    expect(samplerNodes.length).toBeGreaterThan(0)
+    const samplerNode = samplerNodes[0]
+
+    const clipNodes = await comfyPage.getNodeRefsByType('CLIPTextEncode')
+    expect(clipNodes.length).toBeGreaterThan(0)
+    const clipNode = clipNodes[0]
+
+    const samplerOutput = await samplerNode.getOutput(0)
+    const clipInput = await clipNode.getInput(0)
+
+    const outputSlotKey = getSlotKey(String(samplerNode.id), 0, false)
+    const inputSlotKey = getSlotKey(String(clipNode.id), 0, true)
+
+    const outputSlot = comfyPage.page.locator(
+      `[data-slot-key="${outputSlotKey}"]`
+    )
+    const inputSlot = comfyPage.page.locator(
+      `[data-slot-key="${inputSlotKey}"]`
+    )
+
+    await expect(outputSlot).toBeVisible()
+    await expect(inputSlot).toBeVisible()
+
+    const start = await getCenter(outputSlot)
+    const target = await getCenter(inputSlot)
+
+    await comfyMouse.move(start)
+
+    try {
+      await comfyMouse.drag(target)
+    } finally {
+      await comfyMouse.drop()
+    }
+
+    await comfyPage.nextFrame()
+
+    expect(await samplerOutput.getLinkCount()).toBe(0)
+    expect(await clipInput.getLinkCount()).toBe(0)
+
+    const graphLinkCount = await comfyPage.page.evaluate((sourceId) => {
+      const app = window['app']
+      const graph = app?.canvas?.graph ?? app?.graph
+      if (!graph) return 0
+
+      const source = graph.getNodeById(sourceId)
+      if (!source) return 0
+
+      return source.outputs[0]?.links?.length ?? 0
+    }, samplerNode.id)
+
+    expect(graphLinkCount).toBe(0)
+  })
+
+  test('should not create a link when dropping onto a slot on the same node', async ({
+    comfyPage,
+    comfyMouse
+  }) => {
+    const samplerNodes = await comfyPage.getNodeRefsByType('KSampler')
+    expect(samplerNodes.length).toBeGreaterThan(0)
+    const samplerNode = samplerNodes[0]
+
+    const samplerOutput = await samplerNode.getOutput(0)
+    const samplerInput = await samplerNode.getInput(3)
+
+    const outputSlotKey = getSlotKey(String(samplerNode.id), 0, false)
+    const inputSlotKey = getSlotKey(String(samplerNode.id), 3, true)
+
+    const outputSlot = comfyPage.page.locator(
+      `[data-slot-key="${outputSlotKey}"]`
+    )
+    const inputSlot = comfyPage.page.locator(
+      `[data-slot-key="${inputSlotKey}"]`
+    )
+
+    await expect(outputSlot).toBeVisible()
+    await expect(inputSlot).toBeVisible()
+
+    const start = await getCenter(outputSlot)
+    const target = await getCenter(inputSlot)
+
+    await comfyMouse.move(start)
+
+    try {
+      await comfyMouse.drag(target)
+    } finally {
+      await comfyMouse.drop()
+    }
+
+    await comfyPage.nextFrame()
+
+    expect(await samplerOutput.getLinkCount()).toBe(0)
+    expect(await samplerInput.getLinkCount()).toBe(0)
+
+    const graphLinkCount = await comfyPage.page.evaluate((sourceId) => {
+      const app = window['app']
+      const graph = app?.canvas?.graph ?? app?.graph
+      if (!graph) return 0
+
+      const source = graph.getNodeById(sourceId)
+      if (!source) return 0
+
+      return source.outputs[0]?.links?.length ?? 0
+    }, samplerNode.id)
+
+    expect(graphLinkCount).toBe(0)
+  })
 })