diff --git a/.gitignore b/.gitignore
index 59fc5e2..c1bfaae 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,10 @@
 node_modules/
 .DS_Store
 
+# pi-coder Laufzeitartefakte
+TASK.md
+examples/**/TASK.md
+
 # Build-Artefakte (Examples)
 examples/rust-wordcount/target/
 examples/**/__pycache__/
diff --git a/examples/go-fibonacci/fib_bench_test.go b/examples/go-fibonacci/fib_bench_test.go
new file mode 100644
index 0000000..0c91c44
--- /dev/null
+++ b/examples/go-fibonacci/fib_bench_test.go
@@ -0,0 +1,9 @@
+package main
+
+import "testing"
+
+func BenchmarkFib50(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		fib(50)
+	}
+}
diff --git a/examples/python-calculator/.gitignore b/examples/python-calculator/.gitignore
new file mode 100644
index 0000000..43ae0e2
--- /dev/null
+++ b/examples/python-calculator/.gitignore
@@ -0,0 +1,2 @@
+__pycache__/
+*.py[cod]
diff --git a/examples/restore-all.sh b/examples/restore-all.sh
index e28c3ff..f7ca3a8 100755
--- a/examples/restore-all.sh
+++ b/examples/restore-all.sh
@@ -20,11 +20,12 @@ for dir in python-calculator rust-wordcount go-fibonacci c-linkedlist; do
   echo "  ✓ Dateien restauriert:  $dir"
 done
 
-# Build-Artefakte bereinigen
+# Build-Artefakte und pi-coder-Laufzeitartefakte bereinigen
 rm -rf "$EXAMPLES/rust-wordcount/target"
 find "$EXAMPLES" -name "__pycache__" -exec rm -rf {} + 2>/dev/null || true
 find "$EXAMPLES" -name ".pytest_cache" -exec rm -rf {} + 2>/dev/null || true
 find "$EXAMPLES" -name "ll_demo" -delete 2>/dev/null || true
+find "$EXAMPLES" -name "TASK.md" -delete 2>/dev/null || true
 
 echo ""
 echo "Fertig. Alle Examples sind im Ausgangszustand."
diff --git a/examples/rust-wordcount/.gitignore b/examples/rust-wordcount/.gitignore
new file mode 100644
index 0000000..d408a53
--- /dev/null
+++ b/examples/rust-wordcount/.gitignore
@@ -0,0 +1,3 @@
+target/
+*.rlib
+*.pdb