chore: remove MCP-focused test files

pkg/tools/mcp_test.go

@@ -1,44 +0,0 @@
-package tools
-
-import (
-	"testing"
-
-	"github.com/sipeed/picoclaw/pkg/mcp"
-)
-
-func TestRegisterKnownMCPTools_RegistersAllTools(t *testing.T) {
-	registry := NewToolRegistry()
-	manager := &mcp.Manager{}
-	discovered := []mcp.RegisteredTool{
-		{
-			QualifiedName: "mcp_context7__resolve_library_id",
-			ServerName:    "context7",
-			ToolName:      "resolve-library-id",
-			Description:   "Resolve library ID",
-			Parameters: map[string]any{
-				"type": "object",
-			},
-		},
-		{
-			QualifiedName: "mcp_context7__query_docs",
-			ServerName:    "context7",
-			ToolName:      "query-docs",
-			Description:   "Query docs",
-			Parameters: map[string]any{
-				"type": "object",
-			},
-		},
-	}
-
-	count := RegisterKnownMCPTools(registry, manager, discovered)
-	if count != 2 {
-		t.Fatalf("RegisterKnownMCPTools count = %d, want 2", count)
-	}
-
-	if _, ok := registry.Get("mcp_context7__resolve_library_id"); !ok {
-		t.Fatalf("expected mcp_context7__resolve_library_id to be registered")
-	}
-	if _, ok := registry.Get("mcp_context7__query_docs"); !ok {
-		t.Fatalf("expected mcp_context7__query_docs to be registered")
-	}
-}