feat: move the terminal fully into the ssh-terminal plugin (B9)

plugins/ssh-terminal/tests/frontend/terminal/terminal-image-upload-metadata.test.ts

@@ -0,0 +1,40 @@
+import { describe, expect, it } from "vitest";
+import { buildImageUploadFormData } from "../../../src/frontend/terminal/terminal-image-upload";
+
+describe("buildImageUploadFormData", () => {
+  it("tags a picked-file upload with source=file and a client timestamp", () => {
+    const file = new File(["png-bytes"], "photo.png", { type: "image/png" });
+
+    const form = buildImageUploadFormData(file, "tab-1", "file");
+
+    expect(form.get("image")).toBe(file);
+    expect(form.get("instanceId")).toBe("tab-1");
+    expect(form.get("source")).toBe("file");
+    const timestamp = form.get("clientUploadTimestamp");
+    expect(typeof timestamp).toBe("string");
+    expect(Number.isNaN(Date.parse(timestamp as string))).toBe(false);
+  });
+
+  it("tags a clipboard upload with source=clipboard", () => {
+    const file = new File(["png-bytes"], "clipboard-image.png", {
+      type: "image/png",
+    });
+
+    const form = buildImageUploadFormData(file, "tab-1", "clipboard");
+
+    expect(form.get("source")).toBe("clipboard");
+  });
+
+  it("uses the caller-provided client timestamp unchanged", () => {
+    const file = new File(["png-bytes"], "photo.png", { type: "image/png" });
+
+    const form = buildImageUploadFormData(
+      file,
+      "tab-1",
+      "file",
+      "2026-08-15T12:00:00.000Z",
+    );
+
+    expect(form.get("clientUploadTimestamp")).toBe("2026-08-15T12:00:00.000Z");
+  });
+});