new feature: JEV Integration. Now there are a current (native) LLM decision model and a JEV decision model

.env.jev.example

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+# Copy these settings into the .env loaded by the running backend/gateway.
+# Existing feature flags (ENABLE_LLM_ROUTER, ENABLE_ROUTE_STICKINESS, etc.) still apply.
+# Global default; each individual setting below takes precedence.
+DECISION_PROVIDER=current
+DECISION_FALLBACK_TO_CURRENT=true
+JEV_ENDPOINT=https://api.typesafe.ai/v1/systemone
+AI_GATEWAY_API_KEY=
+JEV_MODEL=jev-latest
+JEV_TIMEOUT_SECONDS=15
+JEV_MIN_CONFIDENCE=0.7
+JEV_DECISION_DIAGNOSTICS=true
+
+# All options: current | jev. No existing behavior changes by default.
+DECISION_ROUTE_CONTINUITY_PROVIDER=current
+DECISION_ROUTER_PROVIDER=current
+DECISION_WORKFLOW_EXPECTED_INPUT_PROVIDER=current
+DECISION_WORKFLOW_REENTRY_PROVIDER=current
+DECISION_TRANSACTION_CONFIRMATION_PROVIDER=current
+DECISION_TRANSACTION_PARAMETER_RELEVANCE_PROVIDER=current
+DECISION_TRANSACTION_INTENT_SHIFT_PROVIDER=current
+DECISION_MULTI_INTENT_PROVIDER=current
+DECISION_TRANSACTION_PARAMETER_RECONCILIATION_PROVIDER=current
+DECISION_GLOBAL_SUPERVISOR_PROVIDER=current
+DECISION_PROCESSING_INTERRUPTION_PROVIDER=current
+
+# Generic LLM guardrail and output supervisor (existing profile names).
+DECISION_GUARDRAIL_GUARDRAIL_PROVIDER=current
+DECISION_GUARDRAIL_GRL_PROVIDER=current
+# Calibrated guardrails, independently by task.
+DECISION_GUARDRAIL_PINJ_PROVIDER=current
+DECISION_GUARDRAIL_COER_PROVIDER=current
+DECISION_GUARDRAIL_TOX_PROVIDER=current
+DECISION_GUARDRAIL_REVPREC_PROVIDER=current
+DECISION_GUARDRAIL_AOFERTA_PROVIDER=current
+DECISION_GUARDRAIL_OOS_PROVIDER=current
+DECISION_GUARDRAIL_FRASEOLOGIA_PROVIDER=current
+DECISION_GUARDRAIL_RAGSEC_PROVIDER=current
+DECISION_GUARDRAIL_DLEX_IN_PROVIDER=current
+DECISION_GUARDRAIL_DLEX_OUT_PROVIDER=current
+
+# Calibrated judges, by task; generic judges, by configured name.
+DECISION_JUDGE_CSI_PROVIDER=current
+DECISION_JUDGE_VCTN_PROVIDER=current
+DECISION_JUDGE_ALUC_PROVIDER=current
+DECISION_JUDGE_RQLT_PROVIDER=current
+DECISION_JUDGE_LLM_JUDGE_PROVIDER=current
+
+# Optional threshold per point, independent from the provider choice.
+# DECISION_ROUTE_CONTINUITY_MIN_CONFIDENCE=0.90
+# DECISION_TRANSACTION_CONFIRMATION_MIN_CONFIDENCE=0.95
+
+# Named calibrated judge overrides its task group (optional).
+# DECISION_JUDGE_GROUNDEDNESS_PROVIDER=jev
+# DECISION_JUDGE_RESPONSE_QUALITY_PROVIDER=current
+# Optional individual guardrail recheck override.
+# DECISION_GUARDRAIL_DLEX_OUT_PROTOCOL_AUTHORIZATION_RECHECK_PROVIDER=jev