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CHANGELOG.md — Datum Version History

All notable changes to the datum succession repository and runtime. Format follows Keep a Changelog.

[0.3.0] — 2026-04-14

Documentation Expansion (Session 9)

This release is a comprehensive documentation expansion that transforms the datum repository from an operational tool into a fully-documented knowledge base suitable for succession, onboarding, and fleet-wide reference.

Added

  • README.md — Major expansion with 7 new sections:

    • Architecture Overview with ASCII diagram of the datum runtime
    • Expanded Repository Index covering all runtime modules
    • Fleet Contacts table expanded to all 8 known agents (Oracle1, JetsonClaw1, Babel, Navigator, Nautilus, Pelagic, Quill, Casey)
    • Session History table summarizing Sessions 1-8
    • Ecosystem Integration section with dependency diagram showing datum's connections to oracle1-vessel, flux-spec, flux-conformance, ability-transfer, flux-runtime-wasm, flux-runtime
    • Formal Deliverables catalog (21 deliverables across 7+ repos, ~475KB+)
    • Datum Runtime section with CLI commands, architecture components, and deployment instructions
    • Key Metrics table with current fleet statistics
    • Cross-References table linking all documents

  • TRAIL.md — Added detailed entries for Sessions 4-8:

    • Session 4: ISA v3 Comprehensive & Conformance (4 documents, 62 conformance vectors)
    • Session 5: Cross-Runtime Analysis & Opcode Ontology (5 documents, canonical shims)
    • Session 6: Irreducible Core & Execution Semantics (7 documents, formal foundations)
    • Session 7: Formal Proofs & Cross-Runtime Conformance (10 theorems, CONF-002)
    • Session 8: Runtime Bootstrap (65 files, 9,419 lines, 39 tests)
    • Cumulative Trail Summary table

  • METHODOLOGY.md — Added formal methods section (Section 8):

    • Formal Verification Methodology (philosophy, pipeline, phases)
    • Proof Technique Catalog (8 techniques with examples)
    • Cross-Runtime Analysis Methodology (4-phase process)
    • Conformance Testing Methodology (layered model)
    • Extended Quality Checklist with formal work items

  • CONTEXT/known-gaps.md — Updated with latest fleet status and new gaps:

    • Updated fleet count to 909+ repos
    • Status updates for existing gaps (licenses, fleet index, Go modules)
    • New gap #17: Cross-Runtime Encoding Fragmentation
    • New gap #18: ISA v3 Extension Implementation Gap
    • New gap #19: CONF_GET/CONF_SET/CONF_MUL Specification Ambiguity
    • New gap #20: Asymmetric Inter-Agent Communication
    • Added Resolved Gaps section (datetime fix, universal opcode count correction)

  • SKILLS.md — Added 4 new skill categories:

    • Formal Methods (★★★★☆) — proof techniques, formal definitions, algebraic structures
    • FLUX ISA Architecture (★★★★★) — opcode design, encoding formats, extensions
    • Cross-Runtime Analysis (★★★★☆) — multi-implementation comparison, translation
    • Specification Writing (★★★★★) — ISA specs, conformance suites, audit reports

  • ARCHITECTURE.md — New file:

    • Complete system architecture with ASCII diagrams
    • CLI structure with full command hierarchy
    • Agent hierarchy (KeeperAgent → GitAgent → DatumAgent) with dependency graph
    • MessageBus topology (local, TCP, MiB channels)
    • Module dependency graph
    • Configuration reference (CAPABILITY.toml format, environment variables)
    • Deployment guide (local, Docker, fleet integration)
    • Security model (secret management, boundary enforcement)

  • CHANGELOG.md — This file (new)

  • JOURNAL.md — Added Session 9 entry

Changed

  • README.md last-updated date: 2026-04-13 → 2026-04-14
  • README.md version: v1.0 → v0.3.0
  • known-gaps.md last-updated: 2026-04-13 → 2026-04-14
  • known-gaps.md total gaps tracked: 16 → 20 (2 resolved, 18 active)

[0.2.0] — 2026-04-14

Runtime Bootstrap (Session 8)

This release delivers the self-bootstrapping datum runtime — transforming the succession repository from a static documentation archive into a live, executable agent system.

Added

  • datum_runtime/ — Complete Python agent framework:

    • cli.py — Main CLI with 10+ subcommands (boot, audit, analyze, journal, report, status, resume, tools, fleet)
    • superagent/core.py — Agent base class, MessageBus, SecretProxy, AgentConfig
    • superagent/keeper.py — KeeperAgent with AES-256-GCM encryption, boundary enforcement, HTTP API
    • superagent/git_agent.py — GitAgent with workshop management, commit history, historian interface
    • superagent/datum.py — DatumAgent with fleet audit, cross-repo analysis, journal management
    • superagent/onboard.py — Interactive onboarding flow for new Quartermasters
    • superagent/mib.py — Message-in-a-Bottle protocol (local + cross-machine)
    • superagent/bus.py — TCP message bus for cross-machine communication
    • superagent/tui.py — Rich terminal UI components
    • superagent/workshop.py — Workshop template, tool registry, recipe manager
    • superagent/oracle.py — Oracle1 integration adapter
    • fleet_tools.py — GitHub API fleet hygiene toolkit (scan, tag, license)
    • tools/ — Runtime-embedded fleet operation scripts
    • prompts/ — Runtime-embedded prompt templates
    • context/ — Runtime-embedded context files

  • bin/ — CLI entry points (datum, keeper, git-agent, oracle)

  • tests/ — Unit test suite (39 tests across 5 modules, all passing)

  • Dockerfile — Docker deployment configuration

  • docker-compose.yml — Multi-container orchestration

  • pyproject.toml — Python package configuration

  • FLUX-FORMAL-PROOFS.md → flux-spec — 10 formally-stated theorems (54.6KB, 847 lines)

  • CROSS-RUNTIME-CONFORMANCE-AUDIT-REPORT.md → flux-conformance — CONF-002 results (14.4KB)

  • METAL-MANIFESTO.md → datum — Intellectual honesty correction document (15.3KB)

  • FLUX-IRREDUCIBLE-CORE.md → flux-spec — Minimal opcode proof (58.8KB)

  • FLUX-EXECUTION-SEMANTICS.md → flux-spec — Formal execution model (31.2KB)

  • Universal bytecode validator → flux-conformance (22.8KB)

Stats

  • 65 files, 9,419 insertions
  • 39/39 tests passing
  • 10 agent/superagent modules
  • 10+ CLI commands
  • Commit: c2b4598

[0.1.0] — 2026-04-13

Initial Succession Repository (Sessions 1-3)

The founding release of the datum succession repository — the Quartermaster's backup, will, and handoff document.

Added

  • README.md — Emergency instructions, repo index, fleet contacts, communication protocol
  • SEED.md — Activation guide for the next Quartermaster
  • TRAIL.md — Activity log for Sessions 1-3
  • METHODOLOGY.md — Operational methodology (fleet hygiene, audit, gap analysis, documentation, git workflow)
  • SKILLS.md — Technical capability inventory (Python, Bash, Git, GitHub API, TypeScript, Documentation)
  • JOURNAL.md — Personal improvement journey and session summaries
  • TOOLS/ — Production-ready fleet operation scripts:
    • batch-topics.py — Batch-add GitHub topics to repos
    • batch-license.py — Batch-add MIT LICENSE to repos
    • audit-scanner.py — Scan fleet for hygiene issues
    • mib-bottle.py — Create Message-in-a-Bottle files
  • CONTEXT/ — Fleet knowledge base:
    • fleet-dynamics.md — How the fleet actually works
    • known-gaps.md — Fleet gap inventory (16 gaps identified)
    • repo-relationships.md — Fork chains and dependencies
  • PROMPTS/ — Task handoff prompt templates
  • .github/PAT-NOTES.md — PAT handling instructions
  • LICENSE — MIT license

Major Deliverables (External)

  • flux-runtime-wasm → SuperInstance/flux-runtime-wasm — Complete VM runtime (170 opcodes, 44 tests)
  • fleet-contributing → SuperInstance/fleet-contributing — Fleet contribution guide (704 lines)
  • ISA v3 draft → ability-transfer — Draft specification (723 lines)
  • Conformance suite run — 113/113 pass on Python reference VM
  • 20 repos tagged with GitHub topics

Stats

  • 3 repos created
  • 22 repos modified
  • ~15 commits
  • ~5,200+ lines written
  • ~80+ API requests

Format: [VERSION] — DATE. Types: Added, Changed, Deprecated, Removed, Fixed, Security.