diff --git a/src/modules/markdown/MarkdownPreviewPane.test.ts b/src/modules/markdown/MarkdownPreviewPane.test.ts
new file mode 100644
index 000000000..6b3bc27d7
--- /dev/null
+++ b/src/modules/markdown/MarkdownPreviewPane.test.ts
@@ -0,0 +1,19 @@
+import { readFileSync } from "node:fs";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+import { describe, expect, it } from "vitest";
+
+const here = path.dirname(fileURLToPath(import.meta.url));
+const src = readFileSync(path.join(here, "MarkdownPreviewPane.tsx"), "utf8");
+const streamdownMatch = src.match(/<Streamdown[\s\S]*?<\/Streamdown>/);
+const streamdownJsx = streamdownMatch?.[0] ?? "";
+
+describe("MarkdownPreviewPane Streamdown configuration", () => {
+  it("renders complete markdown files in static mode", () => {
+    expect(streamdownJsx).toMatch(/mode="static"/);
+  });
+
+  it("does not run streaming incomplete-markdown repair for files", () => {
+    expect(streamdownJsx).toMatch(/parseIncompleteMarkdown=\{false\}/);
+  });
+});
diff --git a/src/modules/markdown/MarkdownPreviewPane.tsx b/src/modules/markdown/MarkdownPreviewPane.tsx
index 9803b44b4..2e1499b3c 100644
--- a/src/modules/markdown/MarkdownPreviewPane.tsx
+++ b/src/modules/markdown/MarkdownPreviewPane.tsx
@@ -86,6 +86,8 @@ export function MarkdownPreviewPane({ path, visible, onSetView }: Props) {
             <Streamdown
               className="select-text [&>*:first-child]:mt-0 [&>*:last-child]:mb-0"
               components={components}
+              mode="static"
+              parseIncompleteMarkdown={false}
             >
               {status.content}
             </Streamdown>