Fix CI issues: add Config class, fix config access patterns, remove unused imports

shellgenius/generation.py

@@ -82,7 +82,7 @@ Format your response:"""
 class ShellParser:
     """Parser for shell scripts."""
 
-    LINE_PATTERN = re.compile(r"^(?:(\s*)(.*?)(\s*))$", re.MULTILINE)
+    LINE_PATTERN = re.compile(r"^(?:(\s*)(.*?)(\s*))", re.MULTILINE)
     COMMENT_PATTERN = re.compile(r"^\s*#")
     SHEBANG_PATTERN = re.compile(r"^#!(.+)$", re.MULTILINE)
 
@@ -343,5 +343,7 @@ def generate_shell(
     generator = ShellGenerator()
     if safety_level:
         config = get_config()
-        config.config["safety"]["level"] = safety_level
+        if "safety" not in config:
+            config["safety"] = {}
+        config["safety"]["level"] = safety_level
     return generator.generate(description, shell_type)