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Lattice AI v4.3.1

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@TaeSooPark-PTS TaeSooPark-PTS released this 12 Jun 14:25
· 120 commits to main since this release
v4.3.1
5e20c1a

Lattice AI v4.3.1 — End-User Audit Repair RC

Status: release candidate repair build. This build does not tag, create a
GitHub Release, publish packages, or deploy.

v4.3.1 fixes the P0/P1 blockers found during the independent v4.3.0 end-user
audit while preserving the v4.3 architecture and user data compatibility.

Fixes

  • Desktop startup now resolves the FastAPI sidecar from the installed LTCAI
    command, an importable ltcai_cli module, or bundled resources, records
    sidecar errors, and exposes status/shutdown through Tauri.
  • The npm package now includes the runtime requirements file used by the clean
    install bootstrap and fails honestly if dependency installation cannot run.
  • Model Load no longer installs runtimes or downloads model files by default;
    missing local models and runtimes return explicit unavailable states.
  • Agent execution no longer records deterministic simulation output as a real
    success when no LLM-backed model is loaded.
  • The workflow screen exposes real create, import, export, and run paths backed
    by the existing workflow API.
  • The desktop shell version label now comes from runtime health instead of a
    stale hard-coded RC string.
  • CLI host/port flags now flow into runtime configuration, /mode, health, and
    SSO defaults.
  • Postgres status and packaging are explicit; the npm runtime installs psycopg,
    while Postgres mode remains opt-in.
  • sqlite-vec capability reports now distinguish sqlite-vec ANN from the real
    brute-force cosine fallback.
  • .latticebrain documentation now says workspace export bundles are included
    only when present, matching archive manifests.

Expected Artifacts

  • dist/ltcai-4.3.1-py3-none-any.whl
  • dist/ltcai-4.3.1.tar.gz
  • ltcai-4.3.1.tgz
  • dist/ltcai-4.3.1.vsix
  • src-tauri/target/release/bundle/dmg/Lattice AI_4.3.1_aarch64.dmg

Validation Summary

  • Python compile check, ruff, unit tests, live integration tests, frontend lint,
    TypeScript/VS Code extension build, Playwright visual tests, and Tauri cargo
    check passed.
  • Release artifact validation, wheel smoke test, npm pack --dry-run, and a
    clean npm install plus npx ltcai doctor passed.
  • End-user replay evidence is stored under
    output/audits/v4.3.1-fixes/, including the final DMG screenshot
    screenshots/10-dmg-desktop-app-rendered-final.png.
  • Runtime replay confirmed: missing model load returns 409 without opening
    outbound sockets, agent execution refuses simulation as product success,
    workflows can be created and run through real APIs, Postgres is opt-in and
    unavailable without a DSN, sqlite-vec ANN absence is labeled as a real
    brute-force cosine fallback, and .latticebrain manifests report
    signed_bundles: false when no signed bundles are present.

Registry Policy

No external registries are published for this repair RC. PyPI, npm Registry,
VS Code Marketplace, Open VSX, and other external registries remain
unpublished.

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