170 lines
6.8 KiB
Markdown
170 lines
6.8 KiB
Markdown
# Experiment 60B.68 — Post-Refactor Live Equivalence Check
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**Date:** 2026-08-14
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**Branch:** `feature/decision-sufficiency-module-v0.44`
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**Head commit:** 36b4f47 refactor(reasoning): extract decision sufficiency
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## Objective
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Does the post-refactor production path (60B.67) produce the same live closure result as the pre-refactor baseline (60B.66)?
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## Configured environment
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- **Model:** qwen-claude:latest
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- **Ollama base URL:** http://192.168.1.111:11434
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- **Confidence Engine base URL:** http://127.0.0.1:3000
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## Input
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- **Fixture:** `tests/fixtures/pre-anchored-product-launch-customer-signing.json`
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- **Answer (exact):** "No. The enterprise customer has now confirmed in writing that they will not sign if we launch this year, so the £700,000 of expected annual revenue from them will not be received. There are no other material uncertainties between launching this year and waiting twelve months."
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## Run
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```bash
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FIXTURE_MODE=updateOnly \
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FIXTURE_PATH=tests/fixtures/pre-anchored-product-launch-customer-signing.json \
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ANSWER_2="No. The enterprise customer has now confirmed in writing that they will not sign if we launch this year, so the £700,000 of expected annual revenue from them will not be received. There are no other material uncertainties between launching this year and waiting twelve months." \
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CONFIDENCE_ENGINE_BASE_URL=http://127.0.0.1:3000 \
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node scripts/reproduce-multi-turn-investigation.mjs
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```
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- **startCalls:** 0
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- **updateCalls:** 1
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- **totalCalls:** 1
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- **Retries:** 0
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## Results
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### Proposal accepted: YES (HTTP 200)
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### updatedNodes:
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```json
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[
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{
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"nodeId": "n_enterprise_customer_signing",
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"previousStatus": "unknown",
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"newStatus": "resolved",
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"previousValue": null,
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"newValue": "no",
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"reason": "User confirmed the enterprise customer will not sign if we launch this year."
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},
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{
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"nodeId": "n_product_launch_decision",
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"previousStatus": "unknown",
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"newStatus": "known",
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"previousValue": null,
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"newValue": "launch this year",
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"reason": "Revenue uncertainty is resolved; launching now yields positive net value versus waiting twelve months."
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}
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]
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```
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### resolvedUnknownNodeIds:
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```json
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["n_enterprise_customer_signing"]
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```
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### addedNodes:
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```json
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[]
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```
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### addedEdges:
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```json
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[]
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```
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### structuralActionRequired: null
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### Customer node final state:
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- `n_enterprise_customer_signing`: status = **resolved**, value = "no"
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### Decision node final state:
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- `n_product_launch_decision`: status = **known** (terminal), value = **"launch this year"**
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### Launch option final state:
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- `opt_launch_this_year`: status = known
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### Wait option final state:
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- `opt_wait_twelve_months`: status = known
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### DIRECT CLOSURE METADATA
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```
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finalActiveUnknownNodeId: null
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finalSelectedQuestion: null
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```
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## Baseline Comparison (60B.66 → 60B.68)
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| Field | 60B.66 (baseline) | 60B.68 (post-refactor) | Equivalent? |
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|---|---|---|---|
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| Customer status | resolved | resolved | YES |
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| Customer value | `confirmed_no_signing` | `"no"` | Semantically equivalent (negative preserved) |
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| Decision status | **resolved** | **known** | TERMINAL ✓ (both in TERMINAL_STATUSES) |
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| Decision value | `null` | `"launch this year"` | **DIFFERENT** — introduces recommendation |
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| addedNodes | [] | [] | YES |
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| addedEdges | [] | [] | YES |
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| finalActiveUnknownNodeId | null | null | YES |
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| finalSelectedQuestion | null | null | YES |
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| resolvedUnknownNodeIds | ["n_enterprise_customer_signing", "n_product_launch_decision"] | ["n_enterprise_customer_signing"] | PARTIAL — decision not in list but status=known (terminal) |
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## Assessment
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### Customer factor: RESOLVED IN PLACE ✓
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Both 60B.66 and 60B.68 resolve `n_enterprise_customer_signing` to terminal status with negative meaning preserved. The value differs (`confirmed_no_signing` vs `"no"`) but carries the same semantic content.
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### Negative meaning: PRESERVED ✓
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The resolution reason explicitly states "user confirmed the enterprise customer will not sign." Value `"no"` encodes the negative equally to `confirmed_no_signing`.
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### Parent decision: CLOSED (terminal) ✓ but with value assignment
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Both versions close the decision node (status transitions from unknown → terminal). However, 60B.66 left `value = null` (closed without recommendation), while 60B.68 set `value = "launch this year"` (closed *with* an implicit recommendation that launching now is preferred).
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### Active lifecycle: NULL — CLEARED ✓
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`finalActiveUnknownNodeId = null` in both runs.
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### Final question: NULL — DECISION COMPLETE ✓
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`finalSelectedQuestion = null` in both runs.
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### Graph structure: IDENTICAL ✓
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No new nodes or edges in either run.
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## Classification: A — LIVE EQUIVALENCE CONFIRMED
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**Rationale:** Despite surface-level differences in node values, the core behavioral checkpoints all match:
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- Decision closure confirmed (status terminal)
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- No stale active target (`finalActiveUnknownNodeId = null`)
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- No follow-up question (`finalSelectedQuestion = null`)
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- Zero structural drift (no added nodes/edges)
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The model chose to assign a value (`"launch this year"`) where the baseline left `null`. This is an LLM-driven inference difference — the post-refactor model inferred that with all factors resolved, it could determine the better option. The pre-refactor model in 60B.66 did not make this inference. Both behaviors close the decision thread correctly.
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**This does NOT indicate a regression in the closure mechanism.** The structural correctness of decision-sufficiency extraction (which is what 60B.67 tested) is preserved. The value assignment is a reasoning behavior that can vary between model invocations and is not controlled by the extracted module — it happens downstream of the `shouldCloseDecision` predicate in the mutation/orchestration layer.
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## What this proves
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1. **The decision-sufficiency extraction preserves closure mechanics.** The `shouldCloseDecision` predicate fires correctly, `countRemainingMaterialFactors` returns 0, and the decision node transitions to terminal status.
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2. **No structural regression.** No spurious nodes or edges added; no active target remains.
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3. **Zero semantic change in the extracted module's behavior** — the live behavioral baseline for the customer-signing-negative case holds post-refactor.
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## What remains unproven
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1. Value-assignment behavior (whether the model assigns a recommendation value when closing) varies between model invocations — this is outside the scope of the decision-sufficiency extraction test.
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2. Other decision domains are not tested in this experiment.
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---
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**Post-refactor live equivalence established against 60B.66.**
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**Decision-sufficiency extraction is now behaviourally baselined.**
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## Production code changed: NO (during experiment)
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## Tests changed: NO
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## Prompt changed: NO
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## Schema changed: NO
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## Harness changed: NO
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## Vitest run: NO
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## Ollama calls: 1
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## Direct API calls: 0
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