refactor: 文档维护点收归mipu-api，新增SDK

- 移除 docs/ 和 Release CI，文档维护点收归 mipu-api 子模块
- 新增 sdk/mipu_requests Python SDK（构造参数传入凭据）
- 新增 CLAUDE.md 标注文档维护路径
- 精简 README

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

sdk/mipu_requests/response.py

@@ -0,0 +1,72 @@
+"""
+Response — 兼容 requests.Response 的响应对象
+
+属性/方法与 requests.Response 一致:
+    .status_code  .text  .content  .headers  .ok  .url  .encoding
+    .json()  .raise_for_status()  .iter_content()
+"""
+
+import json as _json
+
+
+class Response:
+    """兼容 requests.Response 的响应对象。
+
+    额外属性:
+        session_id: Bluebird 返回的 sessionId
+        raw:        Bluebird 原始响应 dict
+    """
+
+    def __init__(self, status_code=0, text="", headers=None, url="", raw=None):
+        self.status_code = int(status_code) if status_code else 0
+        self._text = text or ""
+        self.headers = dict(headers) if headers else {}
+        self.url = url
+        self.encoding = "utf-8"
+        self.raw = raw or {}
+        self.content = self._text.encode(self.encoding) if self._text else b""
+        self.ok = 200 <= self.status_code < 400
+        self.cookies = {}
+
+    @property
+    def text(self):
+        return self._text
+
+    def json(self, **kwargs):
+        return _json.loads(self._text, **kwargs)
+
+    def raise_for_status(self):
+        """status_code >= 400 时抛出 HTTPError。"""
+        if not self.ok:
+            from .exceptions import HTTPError
+            raise HTTPError(self)
+
+    def iter_content(self, chunk_size=1):
+        """兼容 requests.Response.iter_content()。"""
+        if self.content:
+            for i in range(0, len(self.content), chunk_size):
+                yield self.content[i:i + chunk_size]
+
+    @property
+    def session_id(self):
+        return self.raw.get("sessionId", "")
+
+    @property
+    def reason(self):
+        """兼容 requests.Response.reason。"""
+        reasons = {
+            200: "OK", 201: "Created", 202: "Accepted",
+            301: "Moved Permanently", 302: "Found",
+            400: "Bad Request", 401: "Unauthorized", 403: "Forbidden",
+            404: "Not Found", 500: "Internal Server Error",
+        }
+        return reasons.get(self.status_code, "Unknown")
+
+    def __repr__(self):
+        return f"<Response [{self.status_code}]>"
+
+    def __bool__(self):
+        return self.ok
+
+    def __len__(self):
+        return len(self.content)