feat: expand multimodal and knowledge workflows

src/shared/context-contracts.test.ts

@@ -0,0 +1,37 @@
+import { describe, expect, it } from 'vitest'
+import {
+  maximumPastedImageBytes,
+  pastedImageInputSchema
+} from './contracts'
+
+describe('context contracts', () => {
+  it('accepts bounded pasted image bytes in supported formats', () => {
+    expect(
+      pastedImageInputSchema.safeParse({
+        data: Uint8Array.from([0x89, 0x50, 0x4e, 0x47]),
+        mimeType: 'image/png'
+      }).success
+    ).toBe(true)
+  })
+
+  it('rejects empty, oversized, and unsupported pasted images', () => {
+    expect(
+      pastedImageInputSchema.safeParse({
+        data: new Uint8Array(),
+        mimeType: 'image/png'
+      }).success
+    ).toBe(false)
+    expect(
+      pastedImageInputSchema.safeParse({
+        data: new Uint8Array(maximumPastedImageBytes + 1),
+        mimeType: 'image/png'
+      }).success
+    ).toBe(false)
+    expect(
+      pastedImageInputSchema.safeParse({
+        data: Uint8Array.from([1]),
+        mimeType: 'image/gif'
+      }).success
+    ).toBe(false)
+  })
+})