docs: record Python sidecar drop in architecture comparison

Companion to lakehouse commit ba928b1 (aibridge: drop Python sidecar
from hot path; AiClient → direct Ollama).

ARCHITECTURE_COMPARISON.md:
  - Decisions tracker: "Drop Python sidecar" moves _open_ → DONE
  - "Cross-cutting abstracts to address" item #3 marked complete
  - "Python dependency (the load-bearing axis)" section reframed:
    pre/post-2026-05-02 diagram, lab UI / pipeline_lab clarified
    as dev-only Python (not on runtime hot path)
  - Change log: new entry

STATE_OF_PLAY: timestamp refresh.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
root
2026-05-02 05:00:51 -05:00
co-authored by Claude Opus 4.7
parent 7d6636b33e
commit afdeca80d9
2 changed files with 18 additions and 10 deletions
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# STATE OF PLAY — Lakehouse-Go
**Last verified:** 2026-05-02 ~05:50 CDT
**Last verified:** 2026-05-02 ~06:30 CDT
**Verified by:** **production-readiness gauntlet** — 21/21 smoke chain green, per-component scrum across 4 bundles, **3 cross-runtime parity probes all green post-fix** (validator: **6/6 match** after wire-format alignment shipped; materializer: 2/2 after omitempty fix; extract_json: 12/12). All findings surfaced by the parity probes have been actioned. Disposition: `reports/cutover/gauntlet_2026-05-02/disposition.md`.
> **Read this FIRST.** When the user says "we're working on lakehouse," default to the Go rewrite (this repo); the Rust legacy at `/home/profit/lakehouse/` is maintenance-only. If memory contradicts this file, this file wins. Update it when something is verified working — not when a phase finishes.