docs(state): record HCG Phase E afternoon-session entry (Refs standards#100/#91)

[hyperpolymath]

Summary

Adds a second 2026-05-20 entry to .machine_readable/6a2/STATE.a2ml [session-history] documenting the afternoon HCG Phase E first-session output. The morning Tier C entry (already in main) stays in place; this new entry sits above it per the newest-first convention.

Refs hyperpolymath/standards#100 (Phase E), Refs hyperpolymath/standards#91 (HCG tier-2 channel parent). NOT Closes.

What's in

A single new TOML entry in [session-history] entries = [ ... ] summarising the afternoon's deliverables:

• PR #128 (MERGED) — docs/integration/hcg-tier2-rollout-runbook.md (E5 rollout-and-rollback runbook, 308 lines, !OWNER: markers in §1.3 + §4)
• PR #130 (MERGED) — Cowboy bind 127.0.0.1 default + BOJ_BIND_IP env override (audit Standardise license: MPL-2.0 + PMPL-1.0-or-later (REUSE) #6)
• PR #131 (MERGED) — k8s Service LoadBalancer → ClusterIP (audit fix: glama.json, Containerfile rename, and licensing tidy #8)
• PR #132 (MERGED) — container APP_HOST defaults across stapeln.toml + entrypoint.sh + compose.prod.yaml (audit Add node operator tray app and browser extension #7)
• Issue #135 (filed) — k8s NetworkPolicy follow-up (Low priority, Phase E acceptance non-critical)
• Defence in depth: 3 independent loopback layers (Elixir Cowboy + Zig adapter + k8s Service)
• Phase C §3 invariant 3 correction: confirmed via git log that the deny clause landed in boj-server#106 (40e46f6f); the channel-status comment claiming it was owner-gated was stale.

The entry also records the Phase E gating posture: E1/E2/E3/E4 wiring + Trustfile PENDING → DEPLOYED flip are all explicitly gated on Phase D-3 (regression alert armed) + D-4 (real baseline numbers populated), per the runbook §1.1. The afternoon session shipped only the Phase-D-independent artefacts.

Why a separate PR (not amended into another)

All four code PRs (#128/#130/#131/#132) are already merged. The STATE.a2ml entry parallels the morning Tier C entry (already in main from the morning session), and the convention is per-session per-entry. Keeping this as its own doc PR is the cleanest record.

Verification

• TOML syntax: valid (single new { date = "...", description = "..." } entry prepended).
• Linting: validate-a2ml action will run on PR.

Risk

Negligible. Doc-only; no code or workflow changes.

🤖 Generated with Claude Code

[github-actions]

🔍 Hypatia Security Scan

Findings: 30 issues detected

Severity	Count
🔴 Critical	18
🟠 High	5
🟡 Medium	7

⚠️ Action Required: Critical security issues found!

View findings

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