fix: stabilize development config and account settings

backend/cmd/gochat/main.go

@@ -20,6 +20,9 @@ import (
 )
 
 func main() {
+	config.LoadDotEnvEnvironment()
+	database.SanitizePostgresEnvironment()
+
 	cmd := "serve"
 	if len(os.Args) > 1 {
 		cmd = os.Args[1]

backend/cmd/migrate/main.go

@@ -10,6 +10,9 @@ import (
 )
 
 func main() {
+	config.LoadDotEnvEnvironment()
+	database.SanitizePostgresEnvironment()
+
 	if len(os.Args) < 2 {
 		printUsage()
 		os.Exit(1)
@@ -17,8 +20,12 @@ func main() {
 
 	command := os.Args[1]
 
-	// Load config to get database connection info
-	cfg, err := config.Load()
+	// Load the same root .env and environment overlay as the application.
+	env := os.Getenv("GOCHAT_ENV")
+	if env == "" {
+		env = "development"
+	}
+	cfg, err := config.LoadWithEnv(env)
 	if err != nil {
 		fmt.Fprintf(os.Stderr, "Error loading config: %v\n", err)
 		os.Exit(1)
@@ -106,4 +113,4 @@ func printUsage() {
 	fmt.Println("  steps <n>       Apply n steps (positive=up, negative=down)")
 	fmt.Println("")
 	fmt.Println("Environment: Uses database config from Viper (config.yaml)")
-}
+}