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

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-02-10 11:32:49 -08:00
commit b4753cef7e
81 changed files with 9255 additions and 0 deletions
--- a/backend/main.go
+++ b/backend/main.go
@@ -0,0 +1,136 @@
+package main
+
+import (
+	"context"
+	"log"
+	"net/http"
+	"os"
+	"os/signal"
+	"syscall"
+	"time"
+
+	"github.com/explorer/virtual-banker/backend/api"
+	"github.com/explorer/virtual-banker/backend/asr"
+	"github.com/explorer/virtual-banker/backend/llm"
+	"github.com/explorer/virtual-banker/backend/orchestrator"
+	"github.com/explorer/virtual-banker/backend/rag"
+	"github.com/explorer/virtual-banker/backend/realtime"
+	"github.com/explorer/virtual-banker/backend/session"
+	"github.com/explorer/virtual-banker/backend/tools"
+	"github.com/explorer/virtual-banker/backend/tools/banking"
+	"github.com/explorer/virtual-banker/backend/tts"
+	"github.com/jackc/pgx/v5/pgxpool"
+	"github.com/redis/go-redis/v9"
+)
+
+func main() {
+	// Load configuration from environment
+	dbURL := getEnv("DATABASE_URL", "postgres://explorer:changeme@localhost:5432/explorer?sslmode=disable")
+	redisURL := getEnv("REDIS_URL", "redis://localhost:6379")
+	port := getEnv("PORT", "8081")
+
+	// Initialize database connection
+	db, err := pgxpool.New(context.Background(), dbURL)
+	if err != nil {
+		log.Fatalf("Failed to connect to database: %v", err)
+	}
+	defer db.Close()
+
+	// Initialize Redis connection
+	opt, err := redis.ParseURL(redisURL)
+	if err != nil {
+		log.Fatalf("Failed to parse Redis URL: %v", err)
+	}
+	redisClient := redis.NewClient(opt)
+	defer redisClient.Close()
+
+	// Test connections
+	if err := db.Ping(context.Background()); err != nil {
+		log.Fatalf("Database ping failed: %v", err)
+	}
+	if err := redisClient.Ping(context.Background()).Err(); err != nil {
+		log.Fatalf("Redis ping failed: %v", err)
+	}
+
+	// Initialize services
+	sessionManager := session.NewManager(db, redisClient)
+
+	// Initialize ASR/TTS (using mocks for now)
+	asrService := asr.NewMockASRService()
+	ttsService := tts.NewMockTTSService()
+
+	// Initialize LLM (using mock for now)
+	llmGateway := llm.NewMockLLMGateway()
+
+	// Initialize RAG
+	ragService := rag.NewRAGService(db)
+
+	// Initialize tools
+	toolRegistry := tools.NewRegistry()
+	toolRegistry.Register(banking.NewAccountStatusTool())
+	toolRegistry.Register(banking.NewCreateTicketTool())
+	toolRegistry.Register(banking.NewScheduleAppointmentTool())
+	toolRegistry.Register(banking.NewSubmitPaymentTool())
+
+	auditLogger := &tools.MockAuditLogger{}
+	toolExecutor := tools.NewExecutor(toolRegistry, auditLogger)
+
+	// Initialize orchestrator
+	convOrchestrator := orchestrator.NewOrchestrator(
+		asrService,
+		ttsService,
+		llmGateway,
+		ragService,
+		toolExecutor,
+	)
+
+	// Initialize realtime gateway
+	realtimeGateway := realtime.NewGateway()
+
+	// Initialize API server
+	apiServer := api.NewServer(sessionManager, realtimeGateway)
+
+	// Store orchestrator reference (would be used by handlers)
+	_ = convOrchestrator
+
+	// Create HTTP server
+	srv := &http.Server{
+		Addr:         ":" + port,
+		Handler:      apiServer,
+		ReadTimeout:  15 * time.Second,
+		WriteTimeout: 15 * time.Second,
+		IdleTimeout:  60 * time.Second,
+	}
+
+	// Start server in goroutine
+	go func() {
+		log.Printf("Virtual Banker API server starting on port %s", port)
+		if err := srv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
+			log.Fatalf("Server failed to start: %v", err)
+		}
+	}()
+
+	// Wait for interrupt signal
+	quit := make(chan os.Signal, 1)
+	signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
+	<-quit
+
+	log.Println("Shutting down server...")
+
+	// Graceful shutdown
+	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
+	defer cancel()
+
+	if err := srv.Shutdown(ctx); err != nil {
+		log.Fatalf("Server forced to shutdown: %v", err)
+	}
+
+	log.Println("Server exited")
+}
+
+func getEnv(key, defaultValue string) string {
+	if value := os.Getenv(key); value != "" {
+		return value
+	}
+	return defaultValue
+}