feat(client/smartrequest): Add streaming and raw buffer support to SmartRequest (buffer, stream, raw); update docs and tests

test/test.streaming.ts

@@ -0,0 +1,74 @@
+import { tap, expect } from '@git.zone/tstest/tapbundle';
+import * as fs from 'fs';
+import { SmartRequest } from '../ts/index.js';
+
+tap.test('should send a buffer using buffer() method', async () => {
+  const testBuffer = Buffer.from('Hello, World!');
+  
+  const smartRequest = SmartRequest.create()
+    .url('https://httpbin.org/post')
+    .buffer(testBuffer, 'text/plain')
+    .method('POST');
+  
+  const response = await smartRequest.post();
+  const data = await response.json();
+  
+  expect(data).toHaveProperty('data');
+  expect(data.data).toEqual('Hello, World!');
+  expect(data.headers['Content-Type']).toEqual('text/plain');
+});
+
+tap.test('should send a stream using stream() method', async () => {
+  // Create a simple readable stream
+  const { Readable } = await import('stream');
+  const testData = 'Stream data test';
+  const stream = Readable.from([testData]);
+  
+  const smartRequest = SmartRequest.create()
+    .url('https://httpbin.org/post')
+    .stream(stream, 'text/plain')
+    .method('POST');
+  
+  const response = await smartRequest.post();
+  const data = await response.json();
+  
+  expect(data).toHaveProperty('data');
+  expect(data.data).toEqual(testData);
+});
+
+tap.test('should handle raw streaming with custom function', async () => {
+  const testData = 'Custom raw stream data';
+  
+  const smartRequest = SmartRequest.create()
+    .url('https://httpbin.org/post')
+    .raw((request) => {
+      // Custom streaming logic
+      request.write(testData);
+      request.end();
+    })
+    .method('POST');
+  
+  const response = await smartRequest.post();
+  const data = await response.json();
+  
+  expect(data).toHaveProperty('data');
+  expect(data.data).toEqual(testData);
+});
+
+tap.test('should send Uint8Array using buffer() method', async () => {
+  const testData = new Uint8Array([72, 101, 108, 108, 111]); // "Hello" in ASCII
+  
+  const smartRequest = SmartRequest.create()
+    .url('https://httpbin.org/post')
+    .buffer(testData, 'application/octet-stream')
+    .method('POST');
+  
+  const response = await smartRequest.post();
+  const data = await response.json();
+  
+  // Just verify that data was sent
+  expect(data).toHaveProperty('data');
+  expect(data.headers['Content-Type']).toEqual('application/octet-stream');
+});
+
+export default tap.start();