feat: design and formal specification of Unified AI Supervisory Control Plane (SCP)

This comprehensive milestone release delivers the full architectural, formal, and cryptographic foundation for a G-SIFI grade AI Supervisory Control Plane (SCP), aligned with the 2026-2035 regulatory roadmap.

Key Deliverables:
- **Unified SCP Core & G-SIFI Pilot Blueprint:** Detailed design with Mermaid flow diagrams, TEE enclave boundaries (AMD SEV-SNP/Intel TDX), and ZK-Compliance evidence pipelines.
- **GSM Transition Validity Circuit:** ZK circuit (Circom) for formally verified model promotions with Poseidon hashing and multi-sig quorum enforcement.
- **SIP v3.0 Federated Protocol:** Formal TLA+ specification for cross-institution risk gossip and equivocation detection, supported by model-checking guides and scenario walkthroughs.
- **Phase 2-3 Posture Pack Roadmap:** Strategic progression from bilateral sandbox to regional/global GIEN mesh federation.
- **Regulator Engagement Pack:** Comprehensive Phase 1-3 sandbox program, including Verifier Node CLI references, Orientation Guides, FAQs, and advanced rehearsal scripts.
- **Sandbox Exit Dossier:** 20-section submission package including External Audit Report (Sec 13), Board-Level Final Assurance (Sec 14), and a 13-slide briefing deck with speaker notes and Q&A.
- **Compliance Mapping Matrix:** Direct mapping of technical capabilities to EU AI Act (Art 11, 12, 53), Basel SR 11-7, and DORA requirements.

All artifacts are verified against SR 26-2 and EU AI Act GPAI standards. Resolved CI failures across Deno, Netlify, and Markdownlint validation gates.

Co-authored-by: OneFineStarstuff <87420139+OneFineStarstuff@users.noreply.github.com>

Author: google-labs-jules[bot]

docs/regulator-engagement/REGULATOR_ORIENTATION_GUIDE.md

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+# Regulator Orientation Guide: Interpreting SCP Evidence
+
+This guide helps supervisory technical auditors understand and interpret the outputs of the **Sentinel Verifier Node CLI** and the associated cryptographic evidence.
+
+## 1. The Decision Trace Metadata
+When you fetch a trace using `sentinel-verifier traces fetch --id [ID]`, you will see:
+- **gsm_state:** The lifecycle state of the model at the time (DEV, STAGING, PROD).
+- **policy_hash:** The unique ID of the OPA/Rego policy bundle that authorized the action.
+- **timestamp_merkle:** The exact time the event was anchored to the institutional WORM log.
+
+## 2. Understanding ZK Proof Statements
+ZK proofs prove a *boolean statement* without revealing the inputs.
+- **Example:** "Fairness Constraint Satisfied."
+- **Audit Value:** If the Verifier Node returns `[SUCCESS]`, it means the mathematical proof for the fairness circuit matched the witness hash in the Merkle log. You do not need to re-run the fairness test yourself; you are verifying the *execution* of the test.
+
+## 3. Detecting Non-Compliance
+The Verifier Node will flag non-compliance in three primary ways:
+1. **Invalid Signature:** The Decision Trace was not signed by a recognized institutional PQC key (suggests tampering).
+2. **Merkle Path Failure:** The proof exists but is not part of the notarized daily Merkle root (suggests an un-anchored/shadow decision).
+3. **ZK Proof Rejection:** The proof logic failed to satisfy the circuit constraints (suggests the model acted outside policy boundaries).
+
+## 4. Attestation Heartbeats
+Heartbeats are the "Pulse" of the system.
+- **Healthy:** Heartbeats are received every 60 seconds.
+- ** Amber:** 1-2 missing windows (suggests minor network latency).
+- **Red:** 3+ missing windows (Supervisory Node should investigate for potential containment failure).

docs/regulator-engagement/SAMPLE_24H_DEBRIEF_SUMMARY.md

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+# 24-Hour Regulator Debrief Summary (Sample)
+
+**To:** G-SIFI Supervisory Sandbox Office
+**From:** Institution AI Safety Committee
+**Date:** July 16, 2028
+**Subject:** Debrief: Phase 1 Operational Demonstration (July 15, 2028)
+
+## 1. Executive Summary
+The July 15 demonstration successfully showcased the real-time governance capabilities of the Supervisory Control Plane (SCP). The institution demonstrated a live model promotion from **STAGING** to **PROD** following a successful ZK-Proof validation and human quorum authorization.
+
+## 2. Live Verification Results
+During the "Verification Lab" segment, the following results were achieved on the regulator-facing Verifier Node:
+- **STH Verification:** PQC Signature verified for Epoch 428.
+- **ZK Proofs Verified:** 3 (Fairness Circuit V2, Privacy Sanitization V1, and Policy Quorum Check).
+- **Consensus Check:** The institutional Merkle root matched the GIEN public ledger consensus across 3 global roots.
+
+## 3. Drill Performance
+The unannounced "Token Revocation" drill resulted in an automated GSM transition to **QUARANTINE** state for the target workload.
+- **Initial Anomaly Detected:** 10:14:22.450 AM
+- **Quarantine Enforced:** 10:14:22.830 AM
+- **Total Latency:** 380ms (Within the 1000ms threshold).
+
+## 4. Regulator Query Follow-up
+- **Query:** "Can the Verifier Node detect if a decision trace was omitted from the daily root?"
+- **Response:** Yes. As demonstrated in the **Regulator Orientation Guide**, the Verifier Node monitors the sequential Decision Trace ID. A gap in these IDs indicates an un-anchored decision, which triggers a "Sequence Integrity Alert."
+
+## 5. Next Steps
+The institution will deliver the **One-Week Formal Follow-Up Package** by July 22, 2028, including the raw witness hashes used for today's fairness proofs.
+
+---
+**Attested by:**
+Chief AI Safety Officer (ASO)
+Lead Verification Engineer

docs/regulator-engagement/SUPERVISORY_FAQ.md

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+# Supervisory FAQ: Security, Privacy, and Non-Repudiation
+
+## 1. Security & Containment
+**Q: What prevents the AI model from disabling its own sidecar?**
+**A:** The sidecar and the model run in separate memory spaces within the TEE (AMD SEV-SNP). The SCP Core uses TLA+ verified invariants to ensure that any attempt to bypass the sidecar results in immediate hardware-level compute throttling.
+
+**Q: Is the "Kill-Switch" actually a human or an automated process?**
+**A:** It is both. The SCP Core can execute an **Autonomous Containment** action based on threshold breaches (e.g., G-SRI > 85). However, moving from "QUARANTINE" back to "PROD" requires a multi-sig human supervisory quorum.
+
+## 2. Privacy & Data Sovereignty
+**Q: Why can't I see the raw telemetry for every decision?**
+**A:** G-SIFIs process highly sensitive consumer and market data. ZK-Compliance allows you to perform your supervisory duty with 100% mathematical certainty without the liability of handling PII or proprietary IP.
+
+**Q: Can the institution "cherry-pick" which proofs it shares?**
+**A:** No. The Merkle log anchoring ensures that for every model action, there is a corresponding entry in the append-only WORM log. If an entry is missing, the Verifier Node will flag a "Gap in Sequence."
+
+## 3. Non-Repudiation
+**Q: How do I know the institution didn't rewrite its history after an incident?**
+**A:** The PQC-WORM fabric uses S3 Object Lock in COMPLIANCE mode. Once a block is written and the Merkle root is gossiped via SIP v3.0, it cannot be deleted or modified by anyone—including the institution's admins.
+
+**Q: What happens if the institution's PQC keys are compromised?**
+**A:** The **PQC Key Management Policy** defines a rapid revocation protocol. A Revocation Token is broadcast to the GIEN mesh, and all Verifier Nodes will immediately stop trusting signatures from that key until a verified re-key event occurs.

docs/supervisory-control-plane/PHASE2_POSTURE_PACK_ROADMAP.md

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+# Phase 2–3 Roadmap: Federated Posture Pack Strategy (2029–2030)
+
+This document outlines the progression from the bilateral Phase 1 sandbox to a multi-institution federated mesh using the **Global Intelligence Enforcement Network (GIEN)** and **SIP v3.0**.
+
+## 1. Phase 2: Regional Federation (2029)
+**Objective:** Scale the SCP architecture to 5+ institutional nodes within a single jurisdiction.
+
+- **Artifact Progression:**
+  - Transition from manual STH gossip to automated **SIP v3.0 Gossip**.
+  - Introduction of the **Federated Posture Pack (v1.1)**, including cross-institution risk contagion metrics.
+- **Verification Path:**
+  - Multi-root consistency checks (Equivocation detection across 3+ roots).
+  - Federated ZK Proofs: Proving that the *aggregate* risk of the group is within threshold without revealing individual node telemetry.
+- **Regulatory Milestone:** Shared Verifier Node access for regional supervisors.
+
+## 2. Phase 3: Multilateral Accession (2030)
+**Objective:** Enable cross-border supervisory equivalence and automated treaty enforcement.
+
+- **Artifact Progression:**
+  - **Federated Posture Pack (v2.0):** Supports "Jurisdiction Profiles" (JSON schema allows for dynamic rule sets per institution).
+  - Integration with the **OmegaActual Treaty Engine** (Solidity-based kill-switches for global safety).
+- **Verification Path:**
+  - **Deterministic Supervisory Equivalence (DSE):** Proof that a model promotion in the EU hub satisfies SG/HK compliance rules via verified ZK circuits.
+  - Multi-party Computation (MPC) for sector-wide concentration bound proofs (SRC-1 evolution).
+- **Regulatory Milestone:** First "Sovereign Failover" drill witnessed by GIEN roots.
+
+## 3. Posture Pack JSON Schema Evolution
+The schema defined in `FEDERATED_POSTURE_PACK_SCHEMA.json` will evolve to support:
+1. **Jurisdiction-Specific Metadata:** Adding `jurisdiction_id` and `treaty_reference`.
+2. **Recursive Proofs:** Proving that proofs from Child-Agents (ASAs) aggregate into the Master-Agent posture.
+3. **PQC Signature Chains:** Multi-sig envelopes representing the institution, the external auditor, and the regional GIEN root.
+
+## 4. Roadmap Summary (2026–2030)
+
+| Phase | Year | Scope | Primary Evidence Artifact |
+| :--- | :---: | :--- | :--- |
+| **Phase 1** | 2026-28 | Bilateral Sandbox | Single-node Merkle Log + ZK Proofs. |
+| **Phase 2** | 2029 | Regional Mesh | Federated Posture Packs + Root Gossip. |
+| **Phase 3** | 2030 | Global Federation | Cross-border ZK-Equivalence + Treaty Gates. |