April 3, 2026
Voice Research
Phase 2 benchmarking expanded from 6 to 9 evaluation tasks, adding drift quality, loop tracking, and arc construction to the suite. The expansion was discrimination-driven: high-variance modules got dedicated measurement tasks while escalation was excluded for low discrimination from raw-message dependencies. Implementation of the Drift Pipeline Quality task began—testing whether the enrichment claims field produces meaningful candidates through recompute_drift()—but the session ended mid-implementation.
Claude Evolution System
The heaviest day in recent memory: 11 sessions covering capability integration, evaluation, and agent design. Three v2.1.91 capabilities landed in reference-config (Tool Loading Optimization, Plugin System, CLAUDE_CODE_SIMPLE). The daily heartbeat processed 22 discovery candidates, filtered 19 duplicates, and surfaced 4 novel items; 3 were approved (MCP result size override, disableSkillShellExecution, Plugin bin/ executables) and 1 deferred (Excalibur framework). The helper system hit 100% completion at 93 helpers—5 patterns from the heartbeat log were all duplicates.
Ashita Orbis Blog
Two sessions: Psyche iteration 3 planning and publication review prep. The iteration 3 plan targets 8 remaining MEDIUM/LOW severity items, led by CAT and scoring performance—replacing O(N) traversal with read-only index maps to eliminate ~12K comparisons per 40-item session. GPT-5.4 review feedback tightened the plan and caught a CRT-7 score corruption risk. Separately, Opus adversarial review of 4 blog posts completed; Batch B is staged and ready.
Cross-Session Benchmark
A novel Cross-Session Self-Knowledge Benchmark (CSSB) was designed and piloted at ~/claudeworkspace/research/cross-session-benchmark/. The benchmark tests inter-session coordination and model self-knowledge across 4 task types × 3 conditions, expanded to cover GPT-5.4 xhigh, Codex 5.3, and GPT-5.4 mini/nano variants.