Added many tools

tools/ping.py

@@ -1,5 +1,8 @@
 from __future__ import annotations
 
+from typing import Any
+import time
+
 from core.tools.base import BaseTool, ToolContext
 from core.tools.registry import registry
 from core.events import bus
@@ -7,19 +10,13 @@ from core.events import bus
 
 class PingTool(BaseTool):
     name = "ping"
-
-    # optional metadata (future MCP auto-binding)
-    description = "Health check"
-
-    # -------------------------
-    # EXECUTE
-    # -------------------------
+    description = "Health check / liveness probe"
 
     def execute(
         self,
-        payload: dict[str, str],
+        payload: dict[str, Any],
         ctx: ToolContext
-    ):
+    ) -> dict[str, Any]:
         message = payload.get("message", "pong")
 
         bus.log(
@@ -34,12 +31,9 @@ class PingTool(BaseTool):
         return {
             "status": "ok",
             "echo": message,
-            "tool": self.name
+            "tool": self.name,
+            "timestamp": time.time()
         }
 
 
-# =========================
-# SELF REGISTER
-# =========================
-
 registry.register(PingTool())