Voice Call: add Plivo provider

extensions/voice-call/src/providers/plivo.test.ts

@@ -0,0 +1,29 @@
+import { describe, expect, it } from "vitest";
+
+import { PlivoProvider } from "./plivo.js";
+
+describe("PlivoProvider", () => {
+  it("parses answer callback into call.answered and returns keep-alive XML", () => {
+    const provider = new PlivoProvider({
+      authId: "MA000000000000000000",
+      authToken: "test-token",
+    });
+
+    const result = provider.parseWebhookEvent({
+      headers: { host: "example.com" },
+      rawBody:
+        "CallUUID=call-uuid&CallStatus=in-progress&Direction=outbound&From=%2B15550000000&To=%2B15550000001&Event=StartApp",
+      url: "https://example.com/voice/webhook?provider=plivo&flow=answer&callId=internal-call-id",
+      method: "POST",
+      query: { provider: "plivo", flow: "answer", callId: "internal-call-id" },
+    });
+
+    expect(result.events).toHaveLength(1);
+    expect(result.events[0]?.type).toBe("call.answered");
+    expect(result.events[0]?.callId).toBe("internal-call-id");
+    expect(result.events[0]?.providerCallId).toBe("call-uuid");
+    expect(result.providerResponseBody).toContain("<Wait");
+    expect(result.providerResponseBody).toContain('length="300"');
+  });
+});
+