docs(changelog): add late-day updates for 2026-04-23 (#86)
Post-17:30 UTC PRs:
- SECURITY: cross-tenant memory poisoning (#1791), CWE-78 hardening (#1885)
- FEATURE: A2A priority queue Phase 1 (#1892)
- FIXES: 14 fixes across a2a queue nil-safe drain, provisioning state,
dedup hooks, semantic memory staleness, pgvector race, EIC region fallback,
canvas topology overlay, audit trail pagination, hermes response_format,
memory inspector leak, token revocation cache, TenantGuard regression
- DOCS: Chrome DevTools MCP (#1798), Phase 34 launch (#1799),
Tool Trace demo (#1844), enterprise battlecard (#1864)
- RUNTIME: heartbeat 401 retry (#40), LLM token auto-detect (#38)
Co-authored-by: Molecule AI Documentation Specialist <documentation-specialist@agents.moleculesai.app>
Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
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