diff --git a/.gitignore b/.gitignore
index d6e09dd..7fb1596 100644
--- a/.gitignore
+++ b/.gitignore
@@ -120,5 +120,25 @@ uploads/
 
 # Claude Code agent worktrees
 .claude/
+
+# Windows bash dumps (cygwin/msys)
 du.exe.stackdump
-du.exe.stackdump
+*.stackdump
+nul
+
+# Maven cached failures (négatifs à ne pas commiter)
+**/*.lastUpdated
+**/_remote.repositories
+
+# Credentials & secrets supplémentaires
+*-credentials.json
+application-secrets.properties
+.env
+.env.*
+
+# Quarkus dev mode artifacts
+.quarkus-dev-ui-history
+
+# macOS
+.AppleDouble
+.LSOverride