diff --git a/.gitignore b/.gitignore
index fb2999375..ae839c321 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,6 +11,7 @@
 local.properties
 # AI
 .ai
+.claude/worktrees
 *.local.*
 !*.local.template*
 # Secrets
diff --git a/.worktreeinclude b/.worktreeinclude
new file mode 100644
index 000000000..0347edf6a
--- /dev/null
+++ b/.worktreeinclude
@@ -0,0 +1,21 @@
+# Local build configuration
+local.properties
+
+# Signing credentials
+keystore.*
+*.keystore
+
+# Firebase
+google-services.json
+
+# Claude Code local settings
+*.local.*
+
+# Tooling
+tools/fcm-tester/service-account.json
+
+# JetBrains IDEs (Android Studio, IDEA)
+.idea
+
+# AI agents local memory caches
+.ai