8.3Guardrail Configuration by Environment

Different environments need different guardrail profiles:

Guardrail	Development	CI/CD	Production Monitoring
Max steps	50 (generous)	30 (standard)	10 (minimal)
Timeout	10 minutes	5 minutes	2 minutes
Token budget	100K (exploration)	50K (standard)	10K (focused)
Allowed domains	* (any)	staging.*	prod.* (read-only)
Actions	All	All except DELETE	Read-only (GET, observe)
Failure behavior	Log + continue	Fail test + screenshot	Alert + screenshot

Loading Configuration from Environment

from dataclasses import dataclass, field
import os

@dataclass
class HarnessConfig:
    max_steps: int = field(
        default_factory=lambda: int(os.getenv("AGENT_MAX_STEPS", "30"))
    )
    timeout_seconds: int = field(
        default_factory=lambda: int(os.getenv("AGENT_TIMEOUT", "300"))
    )
    max_tokens: int = field(
        default_factory=lambda: int(os.getenv("AGENT_MAX_TOKENS", "50000"))
    )
    allowed_domains: list[str] = field(
        default_factory=lambda: os.getenv("AGENT_ALLOWED_DOMAINS", "").split(",")
    )
    allowed_actions: list[str] = field(
        default_factory=lambda: os.getenv(
            "AGENT_ALLOWED_ACTIONS",
            "NAVIGATE,CLICK,TYPE,ASSERT,SCREENSHOT"
        ).split(",")
    )