feat: 云厂商SDK适配层（Vultr/DO/Cloudflare/阿里云/腾讯云）+ 同步服务 + 测试连接/同步接口与前端

app/adapters/cloudflare.py

@@ -0,0 +1,57 @@
+"""Cloudflare 适配器（REST API v4，Bearer Token）
+
+API 文档：https://developers.cloudflare.com/api/
+所需配置：{"api_token": "..."}（建议用 API Token，权限含 Zone:Read / Account:Read）
+Cloudflare 无传统 VPS，主要同步托管域名（zones）；Workers/R2/Tunnel 子资产留待后续阶段。
+"""
+
+import httpx
+
+from app.adapters.base import BaseAdapter, NormalizedDomain
+from app.adapters.registry import register
+
+
+@register("cloudflare-api")
+class CloudflareAdapter(BaseAdapter):
+    required_config = ["api_token"]
+    BASE = "https://api.cloudflare.com/client/v4"
+
+    def _headers(self) -> dict:
+        return {"Authorization": f"Bearer {self.config.get('api_token', '')}"}
+
+    def _get(self, path: str) -> dict:
+        with httpx.Client(timeout=30) as client:
+            resp = client.get(self.BASE + path, headers=self._headers())
+            resp.raise_for_status()
+            data = resp.json()
+            if not data.get("success", True):
+                errors = data.get("errors", [])
+                raise RuntimeError(errors[0].get("message") if errors else "Cloudflare API 返回失败")
+            return data
+
+    def test_connection(self) -> dict:
+        try:
+            data = self._get("/user/tokens/verify")
+            status = data.get("result", {}).get("status")
+            if status == "active":
+                return {"ok": True, "message": "API Token 有效"}
+            return {"ok": False, "message": f"Token 状态异常：{status}"}
+        except httpx.HTTPStatusError as e:
+            return {"ok": False, "message": f"HTTP {e.response.status_code}：Token 无效或权限不足"}
+        except Exception as e:  # noqa: BLE001
+            return {"ok": False, "message": str(e)}
+
+    def list_domains(self) -> list:
+        data = self._get("/zones?per_page=50")
+        result = []
+        for z in data.get("result", []):
+            result.append(
+                NormalizedDomain(
+                    external_id=z.get("id"),
+                    domain_name=z.get("name"),
+                    registrar="cloudflare",
+                    status="active" if z.get("status") == "active" else (z.get("status") or "unknown"),
+                    raw=z,
+                )
+            )
+        return result