From 9239d877b9602a5a80e9e69e744abfe011f5f991 Mon Sep 17 00:00:00 2001
From: Shoubhit Dash <shoubhit2005@gmail.com>
Date: Mon, 23 Mar 2026 12:14:17 +0530
Subject: fix(app): batch multi-file prompt attachments (#18722)

---
 packages/app/src/utils/prompt.test.ts | 44 +++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 packages/app/src/utils/prompt.test.ts

(limited to 'packages/app/src/utils')

diff --git a/packages/app/src/utils/prompt.test.ts b/packages/app/src/utils/prompt.test.ts
new file mode 100644
index 000000000..1ecaf02c9
--- /dev/null
+++ b/packages/app/src/utils/prompt.test.ts
@@ -0,0 +1,44 @@
+import { describe, expect, test } from "bun:test"
+import type { Part } from "@opencode-ai/sdk/v2"
+import { extractPromptFromParts } from "./prompt"
+
+describe("extractPromptFromParts", () => {
+  test("restores multiple uploaded attachments", () => {
+    const parts = [
+      {
+        id: "text_1",
+        type: "text",
+        text: "check these",
+        sessionID: "ses_1",
+        messageID: "msg_1",
+      },
+      {
+        id: "file_1",
+        type: "file",
+        mime: "image/png",
+        url: "data:image/png;base64,AAA",
+        filename: "a.png",
+        sessionID: "ses_1",
+        messageID: "msg_1",
+      },
+      {
+        id: "file_2",
+        type: "file",
+        mime: "application/pdf",
+        url: "data:application/pdf;base64,BBB",
+        filename: "b.pdf",
+        sessionID: "ses_1",
+        messageID: "msg_1",
+      },
+    ] satisfies Part[]
+
+    const result = extractPromptFromParts(parts)
+
+    expect(result).toHaveLength(3)
+    expect(result[0]).toMatchObject({ type: "text", content: "check these" })
+    expect(result.slice(1)).toMatchObject([
+      { type: "image", filename: "a.png", mime: "image/png", dataUrl: "data:image/png;base64,AAA" },
+      { type: "image", filename: "b.pdf", mime: "application/pdf", dataUrl: "data:application/pdf;base64,BBB" },
+    ])
+  })
+})
-- 
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