style: Apply code formatting with go fmt

- Run 'make format' to ensure all Go code follows standard formatting
- Maintains consistent code style across the entire codebase
- No functional changes, only whitespace and formatting improvements

internal/database/database.go

@@ -19,35 +19,35 @@ import (
 
 // Database represents the main database connection and operations
 type Database struct {
-	conn      *sql.DB
-	config    *Config
-	migrator  *Migrator
-	callsign  *CallsignManager
-	history   *HistoryManager
+	conn     *sql.DB
+	config   *Config
+	migrator *Migrator
+	callsign *CallsignManager
+	history  *HistoryManager
 }
 
 // Config holds database configuration options
 type Config struct {
 	// Database file path (auto-resolved if empty)
 	Path string `json:"path"`
-	
+
 	// Data retention settings
-	MaxHistoryDays int  `json:"max_history_days"` // 0 = unlimited
+	MaxHistoryDays  int  `json:"max_history_days"` // 0 = unlimited
 	BackupOnUpgrade bool `json:"backup_on_upgrade"`
-	
+
 	// Connection settings
 	MaxOpenConns    int           `json:"max_open_conns"`    // Default: 10
 	MaxIdleConns    int           `json:"max_idle_conns"`    // Default: 5
 	ConnMaxLifetime time.Duration `json:"conn_max_lifetime"` // Default: 1 hour
-	
+
 	// Maintenance settings
-	VacuumInterval time.Duration `json:"vacuum_interval"` // Default: 24 hours
+	VacuumInterval  time.Duration `json:"vacuum_interval"`  // Default: 24 hours
 	CleanupInterval time.Duration `json:"cleanup_interval"` // Default: 1 hour
-	
+
 	// Compression settings
-	EnableCompression bool   `json:"enable_compression"` // Enable automatic compression
-	CompressionLevel  int    `json:"compression_level"`  // Compression level (1-9, default: 6)  
-	PageSize         int    `json:"page_size"`          // SQLite page size (default: 4096)
+	EnableCompression bool `json:"enable_compression"` // Enable automatic compression
+	CompressionLevel  int  `json:"compression_level"`  // Compression level (1-9, default: 6)
+	PageSize          int  `json:"page_size"`          // SQLite page size (default: 4096)
 }
 
 // AircraftHistoryRecord represents a stored aircraft position update
@@ -93,18 +93,18 @@ type AirlineRecord struct {
 
 // AirportRecord represents embedded airport data from OpenFlights
 type AirportRecord struct {
-	ID            int     `json:"id"`
-	Name          string  `json:"name"`
-	City          string  `json:"city"`
-	Country       string  `json:"country"`
-	IATA          string  `json:"iata"`
-	ICAO          string  `json:"icao"`
-	Latitude      float64 `json:"latitude"`
-	Longitude     float64 `json:"longitude"`
-	Altitude      int     `json:"altitude"`
+	ID             int     `json:"id"`
+	Name           string  `json:"name"`
+	City           string  `json:"city"`
+	Country        string  `json:"country"`
+	IATA           string  `json:"iata"`
+	ICAO           string  `json:"icao"`
+	Latitude       float64 `json:"latitude"`
+	Longitude      float64 `json:"longitude"`
+	Altitude       int     `json:"altitude"`
 	TimezoneOffset float64 `json:"timezone_offset"`
-	DST           string  `json:"dst"`
-	Timezone      string  `json:"timezone"`
+	DST            string  `json:"dst"`
+	Timezone       string  `json:"timezone"`
 }
 
 // DatabaseError represents database operation errors
@@ -131,7 +131,7 @@ func NewDatabase(config *Config) (*Database, error) {
 	if config == nil {
 		config = DefaultConfig()
 	}
-	
+
 	// Resolve database path
 	dbPath, err := ResolveDatabasePath(config.Path)
 	if err != nil {
@@ -142,7 +142,7 @@ func NewDatabase(config *Config) (*Database, error) {
 		}
 	}
 	config.Path = dbPath
-	
+
 	// Open database connection
 	conn, err := sql.Open("sqlite3", buildConnectionString(dbPath))
 	if err != nil {
@@ -152,12 +152,12 @@ func NewDatabase(config *Config) (*Database, error) {
 			Retryable: true,
 		}
 	}
-	
+
 	// Configure connection pool
 	conn.SetMaxOpenConns(config.MaxOpenConns)
 	conn.SetMaxIdleConns(config.MaxIdleConns)
 	conn.SetConnMaxLifetime(config.ConnMaxLifetime)
-	
+
 	// Test connection
 	if err := conn.Ping(); err != nil {
 		conn.Close()
@@ -167,17 +167,17 @@ func NewDatabase(config *Config) (*Database, error) {
 			Retryable: true,
 		}
 	}
-	
+
 	db := &Database{
 		conn:   conn,
 		config: config,
 	}
-	
+
 	// Initialize components
 	db.migrator = NewMigrator(conn)
 	db.callsign = NewCallsignManager(conn)
 	db.history = NewHistoryManager(conn, config.MaxHistoryDays)
-	
+
 	return db, nil
 }
 
@@ -191,7 +191,7 @@ func (db *Database) Initialize() error {
 			Retryable: false,
 		}
 	}
-	
+
 	// Load embedded OpenFlights data if not already loaded
 	if err := db.callsign.LoadEmbeddedData(); err != nil {
 		return &DatabaseError{
@@ -200,7 +200,7 @@ func (db *Database) Initialize() error {
 			Retryable: false,
 		}
 	}
-	
+
 	return nil
 }
 
@@ -240,7 +240,6 @@ func (db *Database) Health() error {
 	return db.conn.Ping()
 }
 
-
 // DefaultConfig returns the default database configuration
 func DefaultConfig() *Config {
 	return &Config{
@@ -258,4 +257,4 @@ func DefaultConfig() *Config {
 // buildConnectionString creates SQLite connection string with optimizations
 func buildConnectionString(path string) string {
 	return fmt.Sprintf("%s?_journal_mode=WAL&_synchronous=NORMAL&_cache_size=-64000&_temp_store=MEMORY&_foreign_keys=ON", path)
-}
+}