diff --git a/internal/handlers/app.go b/internal/handlers/app.go
index 596337d..9b9d309 100644
--- a/internal/handlers/app.go
+++ b/internal/handlers/app.go
@@ -382,22 +382,22 @@ func (h *Handlers) HandleAppDeployments() http.HandlerFunc {
 	}
 }
 
-// defaultLogTail is the default number of log lines to fetch.
-const defaultLogTail = "500"
+// DefaultLogTail is the default number of log lines to fetch.
+const DefaultLogTail = "500"
 
 // maxLogTail is the maximum allowed value for the tail parameter.
 const maxLogTail = 500
 
-// sanitizeTail validates and clamps the tail query parameter.
+// SanitizeTail validates and clamps the tail query parameter.
 // It returns a numeric string clamped to maxLogTail, or the default if invalid.
-func sanitizeTail(raw string) string {
+func SanitizeTail(raw string) string {
 	if raw == "" {
-		return defaultLogTail
+		return DefaultLogTail
 	}
 
 	n, err := strconv.Atoi(raw)
 	if err != nil || n < 1 {
-		return defaultLogTail
+		return DefaultLogTail
 	}
 
 	if n > maxLogTail {
@@ -428,7 +428,7 @@ func (h *Handlers) HandleAppLogs() http.HandlerFunc {
 			return
 		}
 
-		tail := sanitizeTail(request.URL.Query().Get("tail"))
+		tail := SanitizeTail(request.URL.Query().Get("tail"))
 
 		logs, logsErr := h.docker.ContainerLogs(
 			request.Context(),
diff --git a/internal/handlers/tail_validation_test.go b/internal/handlers/tail_validation_test.go
index 0ec0d7a..0d88aab 100644
--- a/internal/handlers/tail_validation_test.go
+++ b/internal/handlers/tail_validation_test.go
@@ -1,7 +1,9 @@
-package handlers
+package handlers_test
 
 import (
 	"testing"
+
+	"git.eeqj.de/sneak/upaas/internal/handlers"
 )
 
 func TestSanitizeTail(t *testing.T) {
@@ -12,16 +14,16 @@ func TestSanitizeTail(t *testing.T) {
 		input    string
 		expected string
 	}{
-		{"empty uses default", "", defaultLogTail},
+		{"empty uses default", "", handlers.DefaultLogTail},
 		{"valid small number", "50", "50"},
 		{"valid max boundary", "500", "500"},
 		{"exceeds max clamped", "501", "500"},
 		{"very large clamped", "999999", "500"},
-		{"non-numeric uses default", "abc", defaultLogTail},
-		{"all keyword uses default", "all", defaultLogTail},
-		{"negative uses default", "-1", defaultLogTail},
-		{"zero uses default", "0", defaultLogTail},
-		{"float uses default", "1.5", defaultLogTail},
+		{"non-numeric uses default", "abc", handlers.DefaultLogTail},
+		{"all keyword uses default", "all", handlers.DefaultLogTail},
+		{"negative uses default", "-1", handlers.DefaultLogTail},
+		{"zero uses default", "0", handlers.DefaultLogTail},
+		{"float uses default", "1.5", handlers.DefaultLogTail},
 		{"one is valid", "1", "1"},
 	}
 
@@ -29,7 +31,7 @@ func TestSanitizeTail(t *testing.T) {
 		t.Run(tc.name, func(t *testing.T) {
 			t.Parallel()
 
-			got := sanitizeTail(tc.input)
+			got := handlers.SanitizeTail(tc.input)
 			if got != tc.expected {
 				t.Errorf("sanitizeTail(%q) = %q, want %q", tc.input, got, tc.expected)
 			}