Add full monorepo: virtual-banker, backend, frontend, docs, scripts, deployment

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/tools/executor.go

@@ -0,0 +1,89 @@
+package tools
+
+import (
+	"context"
+	"fmt"
+)
+
+// Executor executes tools
+type Executor struct {
+	registry *Registry
+	auditLog AuditLogger
+}
+
+// NewExecutor creates a new tool executor
+func NewExecutor(registry *Registry, auditLog AuditLogger) *Executor {
+	return &Executor{
+		registry: registry,
+		auditLog: auditLog,
+	}
+}
+
+// Execute executes a tool
+func (e *Executor) Execute(ctx context.Context, toolName string, params map[string]interface{}, userID, tenantID string) (*ToolResult, error) {
+	tool, err := e.registry.Get(toolName)
+	if err != nil {
+		return nil, err
+	}
+
+	// Log execution attempt
+	e.auditLog.LogToolExecution(ctx, &ToolExecutionLog{
+		ToolName:  toolName,
+		UserID:    userID,
+		TenantID:  tenantID,
+		Params:    params,
+		Status:    "executing",
+	})
+
+	// Execute tool
+	result, err := tool.Execute(ctx, params)
+	if err != nil {
+		e.auditLog.LogToolExecution(ctx, &ToolExecutionLog{
+			ToolName: toolName,
+			UserID:   userID,
+			TenantID: tenantID,
+			Params:   params,
+			Status:   "failed",
+			Error:    err.Error(),
+		})
+		return nil, err
+	}
+
+	// Log result
+	e.auditLog.LogToolExecution(ctx, &ToolExecutionLog{
+		ToolName: toolName,
+		UserID:   userID,
+		TenantID: tenantID,
+		Params:   params,
+		Status:   "completed",
+		Result:   result.Data,
+	})
+
+	return result, nil
+}
+
+// AuditLogger logs tool executions
+type AuditLogger interface {
+	LogToolExecution(ctx context.Context, log *ToolExecutionLog)
+}
+
+// ToolExecutionLog represents a tool execution log entry
+type ToolExecutionLog struct {
+	ToolName string
+	UserID   string
+	TenantID string
+	Params   map[string]interface{}
+	Status   string
+	Error    string
+	Result   interface{}
+}
+
+// MockAuditLogger is a mock audit logger
+type MockAuditLogger struct{}
+
+// LogToolExecution logs a tool execution
+func (m *MockAuditLogger) LogToolExecution(ctx context.Context, log *ToolExecutionLog) {
+	// Mock implementation - in production, write to database
+	fmt.Printf("Tool execution: %s by %s (%s) - %s\n", log.ToolName, log.UserID, log.TenantID, log.Status)
+}
+