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def is_command(text: str) -> bool:
"""
Detect if input is a system/terminal command
"""
if not text:
return False
text = text.strip().lower()
if text in {"exit", "quit", "clear"}:
return True
command_patterns = [
r"^python\s+\S+\.py",
r"^pip\s+install",
r"^npm\s+install",
r"^node\s+\S+",
r"^cd\s+.+",
r"^ls\b",
r"^dir\b",
r"^git\s+.+",
r"^sudo\s+.+",
r".+\.py\s*$",
]
for pattern in command_patterns:
if re.match(pattern, text):
return True
if "run" in text and re.search(r"\.py\b", text):
return True
return False
def handle_command(text: str) -> str:
"""
Return safe response for command-like inputs
"""
text = text.lower().strip()
if text in {"exit", "quit"}:
return "👋 Session ended. Start a new chat anytime."
if re.search(r"python\s+\S+\.py", text):
return (
"⚠️ This looks like a code execution command.\n"
"I only help with graduation project ideas and development."
)
if "pip install" in text or "npm install" in text:
return (
"⚠️ Installation commands are outside my scope.\n"
"I can help you design your graduation project instead."
)
return (
"⚠️ This looks like a system command.\n"
"Please ask about graduation projects (ideas, features, or system design)."
)
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