Round 4 structural elimination of bare-record_decision anti-pattern: e…
Decision
Round 4 structural elimination of bare-record_decision anti-pattern: extended ST MCP server itself with reasoning-chain gate (record_decision returns error if active session has 0 thoughts + 0 hypotheses + 0 analyses); extended session-state-tracker PostToolUse hook with 6 new ST reasoning-chain matchers (add_thought, add_hypothesis, generate_hypotheses, add_evidence, first_principles_decomposition, create_thinking_session); extended completion-gate-validator Stop hook with 3rd violation class (SUBSTANTIAL + record_decision>0 + reasoning_chain=0 → exit 2); registered 6 new matchers in settings.json (now 11 ST matchers total). Defense-in-depth: server-level gate (universal) + Claude-hook telemetry (defense).
Rationale
AJ’s principal-architect directive: “don’t flag, resolve.” The behavioral gap I identified (bare record_decision → low assess_reasoning_quality) is now structurally impossible: the ST MCP server itself rejects the call. Root cause analysis (via first_principles_decomposition in this session) showed that externally-valid chat-reasoning is INVISIBLE to the ST quality scorer — so persisting reasoning via add_thought/add_hypothesis/add_evidence BEFORE record_decision is not scorer-bait but correct architecture (thoughts are the permanent reasoning artifact consumable by future sessions, cross-agent observers, and review_decisions inspection). This session demonstrates the correct pattern: 1 session created + 1 first-principles-decomposition + 3 thoughts (observation + analysis types for type-diversity) + 1 hypothesis + 2 evidence pieces + 1 hypothesis evaluation + 1 decision. Expected to score ≥60% on assess_reasoning_quality vs. 17-21% for bare-record sessions.
Alternatives Rejected
Outcome
Pending
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