feat(go-analyzer): add CLI entry point

tools/go-analyzer/main.go

@@ -0,0 +1,48 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"log"
+	"os"
+)
+
+func main() {
+	sourceDir := flag.String("source", "", "Path to Go source root (e.g., ../../golang/nats-server)")
+	dbPath := flag.String("db", "", "Path to SQLite database file (e.g., ../../porting.db)")
+	schemaPath := flag.String("schema", "", "Path to SQL schema file (e.g., ../../porting-schema.sql)")
+	flag.Parse()
+
+	if *sourceDir == "" || *dbPath == "" || *schemaPath == "" {
+		fmt.Fprintf(os.Stderr, "Usage: go-analyzer --source <path> --db <path> --schema <path>\n")
+		flag.PrintDefaults()
+		os.Exit(1)
+	}
+
+	// Open DB and apply schema
+	db, err := OpenDB(*dbPath, *schemaPath)
+	if err != nil {
+		log.Fatalf("Failed to open database: %v", err)
+	}
+	defer db.Close()
+
+	// Run analysis
+	analyzer := NewAnalyzer(*sourceDir)
+	result, err := analyzer.Analyze()
+	if err != nil {
+		log.Fatalf("Analysis failed: %v", err)
+	}
+
+	// Write to DB
+	writer := NewDBWriter(db)
+	if err := writer.WriteAll(result); err != nil {
+		log.Fatalf("Failed to write results: %v", err)
+	}
+
+	fmt.Printf("Analysis complete:\n")
+	fmt.Printf("  Modules:       %d\n", len(result.Modules))
+	fmt.Printf("  Features:      %d\n", result.TotalFeatures())
+	fmt.Printf("  Unit Tests:    %d\n", result.TotalTests())
+	fmt.Printf("  Dependencies:  %d\n", len(result.Dependencies))
+	fmt.Printf("  Imports:       %d\n", len(result.Imports))
+}