diff --git a/.gitignore b/.gitignore
index ba3cb82..bbdab3c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,8 @@
 # --- Gradle ---
 build/
 .gradle/
+gradle-app.setting
+.gradletasknamecache
 
 # --- IDE: IntelliJ ---
 .idea/
@@ -31,7 +33,10 @@ nbdist/
 
 # --- OS ---
 .DS_Store
+.AppleDouble
+.LSOverride
 Thumbs.db
+Desktop.ini
 
 # --- Logs & temp ---
 *.log
@@ -39,6 +44,17 @@ logs/
 nohup.out
 hs_err_pid*
 replay_pid*
+*.hprof
+.attach_pid*
+*.tmp
+*.bak
+*.swp
+*~
+
+# --- H2 database files (if switching from in-memory to file-based) ---
+*.mv.db
+*.trace.db
+*.lock.db
 
 # --- Compiled / packaged ---
 *.class
@@ -61,3 +77,11 @@ replay_pid*
 .env.*
 application-local.yml
 application-local.yaml
+application-secrets.yml
+application-secrets.yaml
+*.pem
+*.p12
+*.pfx
+*.jks
+*.keystore
+secrets/