fix: update musl detection logic

Author: Gioee

Makefile

@@ -426,7 +426,7 @@ endif
 
 # Detect musl libc (Alpine Linux)
 ifeq ($(PLATFORM),linux)
-    ifeq ($(shell cat /etc/alpine-release 2>/dev/null && echo yes),yes)
+    ifeq ($(shell test -f /etc/alpine-release && echo yes),yes)
         VECTOR_PLATFORM := linux-musl
     endif
 endif

test/e2e.c

@@ -134,13 +134,13 @@ TEST(memory_version) {
 
 TEST(load_vector) {
     // Strip file extension — load_extension() appends it automatically
-    char path[512];
+    char path[1024];
     snprintf(path, sizeof(path), "%s", vector_lib);
     char *dot = strrchr(path, '.');
     char *slash = strrchr(path, '/');
     if (dot && (!slash || dot > slash)) *dot = '\0';
 
-    char sql[512];
+    char sql[1100];
     snprintf(sql, sizeof(sql), "SELECT load_extension('%s');", path);
     ASSERT_SQL_OK(db, sql);