Update agent selection for HF-hosted and local LLM paths

Finalize RL-first environment and explorer UI

Reframe FraudShield as enterprise FraudOps workflow

Harden observation leakage and calibrate baseline

Upgrade baseline with agentic investigation policy

Clamp task scores to strict open interval

Use injected proxy credentials for baseline agent

Fix inference stdout protocol for submission validator

Fix: Fallback to heuristic when only one LLM env var is set; improve error handling

Fix: Add START/STEP/END structured log format to inference.py

Docs: Comprehensive professional documentation and validation suite

Support HF-safe Space variable names

Refine FraudShield snapshot pipeline

Prepare FraudShield for OpenEnv submission

Initial commit - FraudShield OpenEnv environment