feat(camera): add snap/clip capture

src/cli/nodes-camera.test.ts

@@ -0,0 +1,64 @@
+import * as fs from "node:fs/promises";
+import * as os from "node:os";
+import * as path from "node:path";
+import { describe, expect, it } from "vitest";
+import {
+  cameraTempPath,
+  parseCameraClipPayload,
+  parseCameraSnapPayload,
+  writeBase64ToFile,
+} from "./nodes-camera.js";
+
+describe("nodes camera helpers", () => {
+  it("parses camera.snap payload", () => {
+    expect(
+      parseCameraSnapPayload({
+        format: "jpg",
+        base64: "aGk=",
+        width: 10,
+        height: 20,
+      }),
+    ).toEqual({ format: "jpg", base64: "aGk=", width: 10, height: 20 });
+  });
+
+  it("rejects invalid camera.snap payload", () => {
+    expect(() => parseCameraSnapPayload({ format: "jpg" })).toThrow(
+      /invalid camera\.snap payload/i,
+    );
+  });
+
+  it("parses camera.clip payload", () => {
+    expect(
+      parseCameraClipPayload({
+        format: "mp4",
+        base64: "AAEC",
+        durationMs: 1234,
+        hasAudio: true,
+      }),
+    ).toEqual({
+      format: "mp4",
+      base64: "AAEC",
+      durationMs: 1234,
+      hasAudio: true,
+    });
+  });
+
+  it("builds stable temp paths when id provided", () => {
+    const p = cameraTempPath({
+      kind: "snap",
+      facing: "front",
+      ext: "jpg",
+      tmpDir: "/tmp",
+      id: "id1",
+    });
+    expect(p).toBe(path.join("/tmp", "clawdis-camera-snap-front-id1.jpg"));
+  });
+
+  it("writes base64 to file", async () => {
+    const dir = await fs.mkdtemp(path.join(os.tmpdir(), "clawdis-test-"));
+    const out = path.join(dir, "x.bin");
+    await writeBase64ToFile(out, "aGk=");
+    await expect(fs.readFile(out, "utf8")).resolves.toBe("hi");
+    await fs.rm(dir, { recursive: true, force: true });
+  });
+});