Update gitignore

Author: DataSab

.gitignore

@@ -51,17 +51,18 @@ ios/Runner.xcodeproj/xcuserdata/
 **/GeneratedPluginRegistrant.*
 
 # =====================================================================
-# FIREBASE & SECRETS (NEVER COMMIT)
+# SENSITIVE CODE - BUSINESS LOGIC (NEVER COMMIT)
 # =====================================================================
 
-# Env files
-*.env
-*.env.*
-!*.env.example
-!*.env.ci
+# Services sensibles - Authentication, paiements, API calls
+lib/services/
+lib/api/
+lib/config/
+lib/controllers/
 
-firebase/.env.*
-firebase/.env.firestore-send-email
+# =====================================================================
+# FIREBASE & SECRETS (NEVER COMMIT)
+# =====================================================================
 
 # Firebase credentials
 android/app/google-services.json
@@ -71,22 +72,29 @@ firebase/adminsdk-*.json
 firebase/private-key.json
 
 # Firebase generated options
-lib/firebase/firebase_options.dart
-Firebase/
+lib/firebase_options.dart
+lib/firebase_options.dart.example
+firebase/
+
+# Env files
+*.env
+*.env.*
+!*.env.example
+!*.env.ci
+
+firebase/.env.*
+firebase/.env.firestore-send-email
 
 # =====================================================================
-# API KEYS & CONFIG FILES
+# API KEYS & CONFIG FILES (NEVER COMMIT)
 # =====================================================================
-lib/config/api_config.dart
-lib/config/secrets.dart
-
 config/secrets.yaml
 config/secrets.json
 config/api_keys.yaml
 config/local_settings.yaml
 
 # =====================================================================
-# CERTIFICATES & AUTH
+# CERTIFICATES & AUTH (NEVER COMMIT)
 # =====================================================================
 *.jks
 *.keystore
@@ -193,7 +201,6 @@ fix_*.dart
 run_employer_sync.dart
 run_vitoranda_fix.dart
 test_vitoranda_email.dart
-vitoranda_toranda debug files
 **/vitoranda_*.dart
 **/email_debug_*.dart
 **/signup_debug_*.dart
@@ -216,8 +223,7 @@ scripts/
 # =====================================================================
 .mailmap
 
-
- =====================================================================
+# =====================================================================
 # DOCS
 # =====================================================================
 CLEANUP_GUIDE.md