v0.2.0

What's new

• WorkflowContext: confidence tracking across multi-step workflows with configurable escalation threshold
• EscalationRouter: route hard failures to human review, fallback model, safe default, or abort
• SemanticRule, BoundaryRule, ConfidenceRule: behavioral validation beyond schema checks
• Integrations: OpenAI, Anthropic, LiteLLM, LangChain
• Audit exporters: JSON Lines and OpenTelemetry (OTLP)
• CLI: gateframe inspect and gateframe replay
• Examples: triage workflow, RAG output, agent pipeline
• Top-level imports via from gateframe import ...