Anton
052591281d
- Complete agent system with planning and execution - Bridge API with FastAPI server - WhatsApp-style mobile dashboard - Enhanced web search with query improvement - Security guards and policy checks - Comprehensive documentation
32 lines
804 B
Python
32 lines
804 B
Python
"""Basic policy guard for Bridge prompts."""
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from __future__ import annotations
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MAX_PROMPT_LENGTH = 4000
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_BLOCKED_PHRASES = frozenset({
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"<placeholder>",
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"TODO",
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"FIXME",
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"your prompt here",
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})
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def check(prompt: str) -> tuple[bool, str]:
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"""Check a prompt against policy rules.
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Returns:
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(True, "") if prompt passes
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(False, reason) if prompt is blocked
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"""
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if not prompt or not prompt.strip():
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return False, "prompt is empty"
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if len(prompt) > MAX_PROMPT_LENGTH:
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return False, f"prompt exceeds {MAX_PROMPT_LENGTH} chars (got {len(prompt)})"
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lower = prompt.lower()
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for phrase in _BLOCKED_PHRASES:
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if phrase.lower() in lower:
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return False, f"prompt contains blocked phrase: '{phrase}'"
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return True, ""
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