feat(tools/basic): 内置基础工具（calculator(注入安全)/datetime/random/text/json/markdown）+ 批量注册

plugins/tools/basic/register.go

@@ -0,0 +1,37 @@
+package basic
+
+import (
+	"fmt"
+
+	"git.yeij.top/AskaEth/Cyrene_v2/internal/capability/registry"
+	"git.yeij.top/AskaEth/Cyrene_v2/pkg/plugins/sdk"
+)
+
+// Tools returns the built-in basic tools in registration order: calculator,
+// datetime, random, text, json and markdown. Each element is a stateless
+// sdk.Tool value, safe for concurrent use.
+func Tools() []sdk.Tool {
+	return []sdk.Tool{
+		calculator{},
+		datetime{},
+		random{},
+		text{},
+		jsonTool{},
+		markdown{},
+	}
+}
+
+// Register registers every basic tool with reg. It returns an error wrapping
+// sdk.ErrNilRegistrar when reg is nil, and stops at the first failing tool,
+// wrapping the registry error so errors.Is can still reach it.
+func Register(reg *registry.Registry) error {
+	if reg == nil {
+		return fmt.Errorf("basic: register: %w", sdk.ErrNilRegistrar)
+	}
+	for _, t := range Tools() {
+		if err := reg.RegisterTool(t); err != nil {
+			return fmt.Errorf("basic: register %q: %w", t.Name(), err)
+		}
+	}
+	return nil
+}