Add Cloudflare API client with DNS management

Introduces a new Cloudflare API client under lzl.api.cloudflare, including sync/async support, DNS record CRUD and batch operations, declarative DNS management, and environment-based configuration. Adds documentation, models, resource classes, and module-level singletons for convenient usage.

Author: trisongz

.gitignore

@@ -64,7 +64,7 @@ tests/out/lzl/api/qdrant/client_v2.pyi
 tests/out/lzl/api/qdrant/client_v3.pyi
 src/lzo/utils/.tmpdata
 .cursor/mcp.json
-.mcp.json
+# .mcp.json
 tests/_deprecated/lzl/file_08262025.py
 
 # MkDocs build artifacts

.mcp.json

@@ -0,0 +1,22 @@
+{
+  "mcpServers": {
+    "cloudflare_docs": {
+      "type": "stdio",
+      "command": "npx",
+      "args": [
+        "mcp-remote",
+        "https://docs.mcp.cloudflare.com/mcp"
+      ],
+      "env": {}
+    },
+    "cloudflare": {
+      "type": "stdio",
+      "command": "npx",
+      "args": [
+        "mcp-remote",
+        "https://dns-analytics.mcp.cloudflare.com/mcp"
+      ],
+      "env": {}
+    }
+  }
+}

docs/api/lzl/api.md

@@ -12,6 +12,11 @@ The `lzl.api` module contains clients and integrations for various external serv
 
 ## Service Integrations
 
+### Cloudflare
+::: lzl.api.cloudflare
+
+See the [Cloudflare Client Guide](cloudflare.md) for detailed documentation.
+
 ### OpenAI
 ::: lzl.api.openai