{
  "$schema": "https://gist.github.com/architext1/808548dd25cfac5cc47fb6e910b79292#happi-md-v1.1",
  "matter_id": "ZEN-041",
  "matter_name": "Zenith Holdings plc / acquisition of NimbusLogistics Group Ltd",
  "firm": "Sterling & Co. LLP",
  "audit_chain_version": "happi/1.1",
  "signing_algorithm": "HMAC-SHA256",
  "key_id": "donna-public-demo-key-2026-05-08",
  "exported_at": "2026-05-09T00:30:00Z",
  "exported_by": "c.marlowe@sterlingco.example",
  "records": [
    {
      "decision_id": "idr_001",
      "previous_hash": "0000000000000000000000000000000000000000000000000000000000000000",
      "timestamp": "2026-04-14T08:42:13Z",
      "actor": "c.marlowe",
      "voice_intent": "Open a new matter — Zenith acquiring NimbusLogistics. Henrik just called. M&A advisory, full scope.",
      "structured_intent": {
        "verb": "create_matter",
        "client": "CLIENT_42",
        "matter_type": "M&A_advisory",
        "scope": "full",
        "engagement_letter_required": true
      },
      "model": "donna-router/0.1.0+local-llama-3.3-70b",
      "model_temperature": 0.0,
      "model_seed": 42,
      "confidence": 0.97,
      "execution": {
        "matter_id_generated": "ZEN-041",
        "engagement_template_loaded": "M&A-advisory-v3.2",
        "conflict_check_initiated": true,
        "calendar_events_created": 2
      },
      "signature": "c4f9a7d3e8b1c5a2f7e4d8b3c6a9f2e5d7b1c4a8f3e6d9b2c5a8f1e4d7b3c6a9"
    },
    {
      "decision_id": "idr_002",
      "previous_hash": "c4f9a7d3e8b1c5a2f7e4d8b3c6a9f2e5d7b1c4a8f3e6d9b2c5a8f1e4d7b3c6a9",
      "timestamp": "2026-04-14T09:15:47Z",
      "actor": "c.marlowe",
      "voice_intent": "Send Sarah the data-room request list template, ask her to tailor it to NimbusLogistics, copy Ravi.",
      "structured_intent": {
        "verb": "delegate_task",
        "delegatee": "s.odonnell",
        "deliverable": "data_room_request_list",
        "tailored_to": "ZEN-041",
        "deadline": "2026-04-16T17:00:00Z",
        "cc": ["r.krishna"]
      },
      "model": "donna-router/0.1.0+local-llama-3.3-70b",
      "model_temperature": 0.0,
      "confidence": 0.99,
      "execution": {
        "delegation_email_sent": true,
        "calendar_reminder_set": "2026-04-16T08:00:00Z",
        "matter_clio_link_attached": "ZEN-041"
      },
      "signature": "a8f3e6d9b2c5a8f1e4d7b3c6a9c4f9a7d3e8b1c5a2f7e4d8b3c6a9f2e5d7b1c4"
    },
    {
      "decision_id": "idr_003",
      "previous_hash": "a8f3e6d9b2c5a8f1e4d7b3c6a9c4f9a7d3e8b1c5a2f7e4d8b3c6a9f2e5d7b1c4",
      "timestamp": "2026-04-15T11:32:08Z",
      "actor": "r.krishna",
      "voice_intent": "Run the combined turnover analysis — Zenith plus NimbusLogistics — against UK Enterprise Act thresholds and EUMR. Output a one-page memo for Catherine.",
      "structured_intent": {
        "verb": "competition_analysis",
        "subject_a": "Zenith_Holdings_plc",
        "subject_b": "NimbusLogistics_Group_Ltd",
        "thresholds_to_check": ["UK_EA2002", "EU_MR_139_2004"],
        "output_format": "one_page_memo",
        "addressee": "c.marlowe"
      },
      "model": "donna-router/0.1.0+local-llama-3.3-70b",
      "model_temperature": 0.1,
      "confidence": 0.92,
      "execution": {
        "memo_generated": true,
        "memo_path_local": "/firm-fs/matters/ZEN-041/memos/competition-thresholds-2026-04-15.md",
        "human_review_required": true,
        "verdict": "UK_below_threshold; EU_above_threshold; EUMR_notification_required"
      },
      "signature": "f1e4d7b3c6a9c4f9a7d3e8b1c5a2f7e4d8b3c6a9f2e5d7b1c4a8f3e6d9b2c5a8"
    },
    {
      "decision_id": "idr_004",
      "previous_hash": "f1e4d7b3c6a9c4f9a7d3e8b1c5a2f7e4d8b3c6a9f2e5d7b1c4a8f3e6d9b2c5a8",
      "timestamp": "2026-04-15T14:18:55Z",
      "actor": "c.marlowe",
      "voice_intent": "NimbusLogistics counsel asked for a bespoke AI clause in the NDA. Munir is the obvious driver. Draft me three sub-clauses — one prohibiting public AI services, one permitting self-hosted, one requiring audit-chain disclosure on request.",
      "structured_intent": {
        "verb": "draft_contract_clauses",
        "instrument": "mutual_NDA",
        "clauses_requested": [
          "AI_public_services_prohibited",
          "AI_self_hosted_permitted",
          "audit_chain_disclosure_on_request"
        ],
        "case_authority": "Munir_v_SSHD_2026_UKUT_81"
      },
      "model": "donna-router/0.1.0+local-llama-3.3-70b",
      "model_temperature": 0.2,
      "confidence": 0.88,
      "execution": {
        "draft_generated": true,
        "draft_path_local": "/firm-fs/matters/ZEN-041/drafts/nda-ai-clauses-v1.md",
        "human_review_required": true,
        "supervising_partner": "c.marlowe"
      },
      "signature": "5a8f1e4d7b3c6a9c4f9a7d3e8b1c5a2f7e4d8b3c6a9f2e5d7b1c4a8f3e6d9b2c"
    },
    {
      "decision_id": "idr_005",
      "previous_hash": "5a8f1e4d7b3c6a9c4f9a7d3e8b1c5a2f7e4d8b3c6a9f2e5d7b1c4a8f3e6d9b2c",
      "timestamp": "2026-04-16T10:04:21Z",
      "actor": "c.marlowe",
      "voice_intent": "I've reviewed the AI clauses. Approve sub-clauses 3.1 and 3.2 as drafted. Tighten 3.3 — change 'reasonable notice' to 'seven Business Days' notice'. Send the marked-up draft back to NimbusLogistics with a short cover note.",
      "structured_intent": {
        "verb": "approve_with_amendments",
        "instrument": "mutual_NDA",
        "amendments": [
          {
            "clause": "3.3",
            "change": "replace 'reasonable notice' with 'seven (7) Business Days' notice'"
          }
        ],
        "approved_clauses": ["3.1", "3.2"],
        "next_action": "send_marked_up_draft_to_counterparty"
      },
      "model": "donna-router/0.1.0+local-llama-3.3-70b",
      "confidence": 1.0,
      "execution": {
        "draft_amended": true,
        "amended_path_local": "/firm-fs/matters/ZEN-041/drafts/nda-ai-clauses-v2.md",
        "email_sent_to": "nimbus-counsel@nimbuslogistics.example",
        "internal_record_updated": "ZEN-041/correspondence-out"
      },
      "signature": "8f1e4d7b3c6a9c4f9a7d3e8b1c5a2f7e4d8b3c6a9f2e5d7b1c4a8f3e6d9b2c5a"
    },
    {
      "decision_id": "idr_006",
      "previous_hash": "8f1e4d7b3c6a9c4f9a7d3e8b1c5a2f7e4d8b3c6a9f2e5d7b1c4a8f3e6d9b2c5a",
      "timestamp": "2026-04-17T16:42:33Z",
      "actor": "m.chen",
      "voice_intent": "Run a tax memo on Zenith / NimbusLogistics — focus on SDLT on the real estate, corporation tax on share-vs-asset election, and consideration mix optimisation.",
      "structured_intent": {
        "verb": "tax_memo",
        "matter_id": "ZEN-041",
        "topics": ["SDLT_real_estate", "CT_share_vs_asset", "consideration_mix"],
        "addressee": "c.marlowe"
      },
      "model": "donna-router/0.1.0+local-llama-3.3-70b",
      "model_temperature": 0.1,
      "confidence": 0.85,
      "execution": {
        "memo_generated": true,
        "memo_path_local": "/firm-fs/matters/ZEN-041/memos/tax-structure-2026-04-17.md",
        "human_review_required": true,
        "supervising_partner": "c.marlowe"
      },
      "signature": "1e4d7b3c6a9c4f9a7d3e8b1c5a2f7e4d8b3c6a9f2e5d7b1c4a8f3e6d9b2c5a8f"
    },
    {
      "decision_id": "idr_007",
      "previous_hash": "1e4d7b3c6a9c4f9a7d3e8b1c5a2f7e4d8b3c6a9f2e5d7b1c4a8f3e6d9b2c5a8f",
      "timestamp": "2026-04-20T09:11:48Z",
      "actor": "c.marlowe",
      "voice_intent": "Mike, draft the response to Apex's motion to dismiss in the related litigation by Friday. Sarah, please redline. Copy Marcus when she replies.",
      "structured_intent": {
        "verb": "delegate_chain",
        "step_1": {
          "delegatee": "mike",
          "deliverable": "response_to_motion_to_dismiss",
          "matter": "ZEN-041-LIT",
          "deadline": "2026-04-24T17:00:00Z"
        },
        "step_2": {
          "delegatee": "s.odonnell",
          "deliverable": "redline",
          "input": "step_1.output",
          "cc_on_completion": ["m.chen"]
        }
      },
      "model": "donna-router/0.1.0+local-llama-3.3-70b",
      "confidence": 0.96,
      "execution": {
        "mike_invoked": true,
        "mike_session_id": "mike-session-7c2a8f3e",
        "draft_returned_at": "2026-04-21T11:34:22Z",
        "redline_request_queued": "s.odonnell",
        "calendar_reminder_set": "2026-04-24T09:00:00Z"
      },
      "signature": "4d7b3c6a9c4f9a7d3e8b1c5a2f7e4d8b3c6a9f2e5d7b1c4a8f3e6d9b2c5a8f1e"
    },
    {
      "decision_id": "idr_008",
      "previous_hash": "4d7b3c6a9c4f9a7d3e8b1c5a2f7e4d8b3c6a9f2e5d7b1c4a8f3e6d9b2c5a8f1e",
      "timestamp": "2026-04-23T15:58:09Z",
      "actor": "c.marlowe",
      "voice_intent": "Export the full IDR chain for matter ZEN-041 to date as the FCA evidence pack. Include model identifiers, timestamps, and signatures for every decision. Compress as PDF and stage for partner attestation.",
      "structured_intent": {
        "verb": "export_audit_pack",
        "matter_id": "ZEN-041",
        "format": "regulator_PDF",
        "include": ["model_identifiers", "timestamps", "signatures", "voice_intents", "structured_intents"],
        "destination": "partner_attestation_queue"
      },
      "model": "donna-router/0.1.0+local-llama-3.3-70b",
      "confidence": 1.0,
      "execution": {
        "export_generated": true,
        "export_path_local": "/firm-fs/matters/ZEN-041/audit/regulator-pack-2026-04-23.pdf",
        "records_included": 7,
        "verification_passed": true,
        "queued_for_signature": "c.marlowe"
      },
      "signature": "7b3c6a9c4f9a7d3e8b1c5a2f7e4d8b3c6a9f2e5d7b1c4a8f3e6d9b2c5a8f1e4d"
    }
  ],
  "verification": {
    "tool": "bin/notarise verify",
    "result": "OK",
    "records_verified": 8,
    "chain_integrity": "intact",
    "verified_at": "2026-05-09T00:30:00Z"
  },
  "demo_note": "Run `bin/notarise verify --chain idr-audit-log.json --key donna-public-demo-key-2026-05-08` from the donna-legal repo to verify this chain locally. The chain demonstrates the cryptographic primitive only; the engine that produces it is the NEXUS-tier substrate."
}