feat: add MCP/skill tool protocol, tasks/tools pages, chat UX overhaul

Tools page: skill & MCP server management with [[skill:]]/[[mcp:]] protocol (up to 3 rounds). New Tasks and Tools pages. Chat: session snapshots, empty-session reuse, per-message model_id, unified JSON prediction suggestions. Settings: upload size limit, prediction options, model enable/disable. Schema additions with ensure_column migrations. Add FEATURES/ARCHITECTURE docs.
2026-08-16 19:50:41 +08:00
parent bd3f648ccd
commit 10ecf526ec
33 changed files with 6241 additions and 390 deletions
@@ -0,0 +1,105 @@
+"""本地 MCP 测试服务器（Streamable HTTP / JSON-RPC POST）。
+
+用法：python scripts/test_mcp_server.py [端口]  默认 8765
+提供两个工具：
+- get_current_time：返回当前时间（无参数）
+- echo_text：原样返回 text 参数
+"""
+
+import json
+import sys
+import time
+from http.server import BaseHTTPRequestHandler, HTTPServer
+
+
+class McpHandler(BaseHTTPRequestHandler):
+    def do_GET(self):
+        # 供健康检查/就绪探测使用
+        self._json({"ok": True})
+
+    def do_POST(self):
+        length = int(self.headers.get("Content-Length", 0))
+        body = self.rfile.read(length).decode("utf-8")
+        try:
+            req = json.loads(body)
+        except Exception:
+            self._json(
+                {
+                    "jsonrpc": "2.0",
+                    "id": None,
+                    "error": {"code": -32700, "message": "Parse error"},
+                }
+            )
+            return
+        method = req.get("method")
+        rid = req.get("id")
+        if method == "initialize":
+            result = {
+                "protocolVersion": "2025-03-26",
+                "capabilities": {"tools": {}},
+                "serverInfo": {"name": "test-mcp-server", "version": "1.0.0"},
+            }
+            self._json({"jsonrpc": "2.0", "id": rid, "result": result})
+        elif method == "tools/list":
+            result = {
+                "tools": [
+                    {
+                        "name": "get_current_time",
+                        "description": "获取当前时间",
+                        "inputSchema": {"type": "object", "properties": {}},
+                    },
+                    {
+                        "name": "echo_text",
+                        "description": "原样返回输入的文本",
+                        "inputSchema": {
+                            "type": "object",
+                            "properties": {"text": {"type": "string"}},
+                            "required": ["text"],
+                        },
+                    },
+                ]
+            }
+            self._json({"jsonrpc": "2.0", "id": rid, "result": result})
+        elif method == "tools/call":
+            params = req.get("params", {})
+            name = params.get("name")
+            args = params.get("arguments", {})
+            if name == "get_current_time":
+                content = [{"type": "text", "text": time.strftime("%Y-%m-%d %H:%M:%S")}]
+            elif name == "echo_text":
+                content = [{"type": "text", "text": str(args.get("text", ""))}]
+            else:
+                self._json(
+                    {
+                        "jsonrpc": "2.0",
+                        "id": rid,
+                        "error": {"code": -32602, "message": f"unknown tool {name}"},
+                    }
+                )
+                return
+            self._json({"jsonrpc": "2.0", "id": rid, "result": {"content": content}})
+        else:
+            self._json(
+                {
+                    "jsonrpc": "2.0",
+                    "id": rid,
+                    "error": {"code": -32601, "message": f"unknown method {method}"},
+                }
+            )
+
+    def _json(self, obj):
+        data = json.dumps(obj).encode("utf-8")
+        self.send_response(200)
+        self.send_header("Content-Type", "application/json")
+        self.send_header("Content-Length", str(len(data)))
+        self.end_headers()
+        self.wfile.write(data)
+
+    def log_message(self, *args):
+        pass
+
+
+if __name__ == "__main__":
+    port = int(sys.argv[1]) if len(sys.argv) > 1 else 8765
+    print(f"test-mcp-server listening on http://127.0.0.1:{port}/mcp")
+    HTTPServer(("127.0.0.1", port), McpHandler).serve_forever()