feat: add CentOS Stream support to deployment and maintenance scripts

system-optimise.py

@@ -2,7 +2,7 @@
 # Copyright (c) 2026 Petr Balvín <opensource@petrbalvin.org> (https://petrbalvin.org)
 # SPDX-License-Identifier: MIT
 
-"""Idempotent system cleanup and optimisation for Fedora and openEuler.
+"""Idempotent system cleanup and optimisation for Fedora, CentOS Stream and openEuler.
 
 Cleans old kernels, DNF caches, systemd journals, temp files, and core dumps.
 Every operation checks current state before acting; running the script
@@ -37,10 +37,11 @@ GREEN = "\033[32m"
 YELLOW = "\033[33m"
 DIM = "\033[2m"
 RESET = "\033[0m"
-VERSION = "1.3.1"
+VERSION = "1.4.0"
 
 SUPPORTED_OS: dict[str, str] = {
     "fedora": "Fedora",
+    "centos": "CentOS Stream",
     "openeuler": "openEuler",
 }
 
@@ -1112,7 +1113,7 @@ def print_summary(
 def parse_args(argv: list[str] | None = None) -> argparse.Namespace:
     """Parse command-line arguments."""
     parser = argparse.ArgumentParser(
-        description="Idempotent system cleanup and optimisation for Fedora and openEuler",
+        description="Idempotent system cleanup and optimisation for Fedora, CentOS Stream and openEuler",
         formatter_class=argparse.RawDescriptionHelpFormatter,
     )
     parser.add_argument(