reasoning: prevent unsupported comparison decomposition

This commit is contained in:
2026-08-10 07:44:40 +01:00
parent 513c483501
commit 7e4c506614
3 changed files with 184 additions and 106 deletions
+85 -69
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@@ -278,6 +278,70 @@ function makeRiskClarificationFixture() {
return { graph, riskUnknownId: riskUnknown.id };
}
function makeGenericExplanationFixture() {
const explanationUnknown = makeNode({
id: "n-generic-explanation",
label:
"Explanation for why Should I relocate my engineering team from London to Manchester",
description:
"Need to understand what change or event could explain why these observations differ, because that is needed to investigate their relationship.",
kind: "unknown",
status: "unknown",
confidence: "medium",
});
const observationA = makeNode({
id: "n-london-team-state",
label: "Engineering team is currently operational in London.",
description: "Engineering team is currently operational in London.",
kind: "observation",
status: "supported",
confidence: "high",
});
const observationB = makeNode({
id: "n-manchester-relocation-eval",
label:
"Relocation to Manchester is actively being evaluated by the decision-maker.",
description:
"Relocation to Manchester is actively being evaluated by the decision-maker.",
kind: "observation",
status: "supported",
confidence: "high",
});
const graph = makeGraph({
centralStatement:
"Should I relocate my engineering team from London to Manchester?",
nodes: [explanationUnknown, observationA, observationB],
edges: [
makeEdge({
id: "e-london-explanation",
fromNodeId: observationA.id,
toNodeId: explanationUnknown.id,
relationship: "supports",
confidence: "medium",
description:
"The current London operating state contributes to the broad explanation unknown.",
}),
makeEdge({
id: "e-manchester-explanation",
fromNodeId: observationB.id,
toNodeId: explanationUnknown.id,
relationship: "supports",
confidence: "medium",
description:
"The Manchester relocation evaluation contributes to the broad explanation unknown.",
}),
],
activeUnknownNodeId: explanationUnknown.id,
resolvedNodeIds: [],
currentSummary: "Generic explanation fixture",
});
return { graph, explanationUnknownId: explanationUnknown.id };
}
function makeMeaningfulNoOpProposal() {
return {
addedNodes: [
@@ -2114,86 +2178,38 @@ describe("applyValidatedProposal", () => {
).toHaveLength(1);
});
it("decomposes a composite selected unknown before asking the next question", () => {
const { graph, proposal } = makeComparabilityUpdateFixture();
it("does not decompose a generic explanation unknown into unsupported comparison children", () => {
const { graph, explanationUnknownId } = makeGenericExplanationFixture();
const result = applyValidatedProposal({
situationGraph: graph,
proposal,
previousQuestion:
"Were these figures measured on the same basis and at the same scale?",
answer:
"Yes. Both figures cover the same accounting period and are taken from the same management accounts.",
proposal: makeMeaningfulNoOpProposal(),
});
expect(result.success).toBe(true);
expect(result.atomicityAssessment).toBe("composite");
expect(result.decompositionPerformed).toBe(true);
expect(result.childUnknownCount).toBe(5);
expect(result.childNodeIds).toHaveLength(5);
expect(result.atomicityReason).toBeTruthy();
expect(result.selectedQuestion?.nodeId).toBe(result.newActiveUnknownNodeId);
expect(result.selectedQuestion?.nodeId).not.toBe(
result.emergentReasoningNodeId,
);
expect(result.selectedQuestion?.question.toLowerCase()).not.toMatch(
/dso|working capital|receivables|capex/,
);
const parentNode = result.updatedSituationGraph.nodes.find(
(node) => node.id === result.emergentReasoningNodeId,
);
expect(parentNode?.status).toBe("unknown");
const childNodes = result.updatedSituationGraph.nodes.filter((node) =>
result.childNodeIds.includes(node.id),
);
expect(childNodes).toHaveLength(5);
expect(childNodes.every((node) => node.parentId === parentNode.id)).toBe(
true,
);
expect(result.decompositionPerformed).toBe(false);
expect(result.childUnknownCount).toBe(0);
expect(result.childNodeIds).toHaveLength(0);
expect(
result.updatedSituationGraph.edges.filter(
(edge) =>
result.childNodeIds.includes(edge.fromNodeId) &&
edge.toNodeId === parentNode.id &&
edge.relationship === "depends_on",
result.updatedSituationGraph.nodes.some(
(node) => node.label === "How the two observations were measured",
),
).toHaveLength(5);
});
it("reuses existing decomposition children instead of duplicating them", () => {
const { graph, proposal } = makeComparabilityUpdateFixture();
const firstResult = applyValidatedProposal({
situationGraph: graph,
proposal,
previousQuestion:
"Were these figures measured on the same basis and at the same scale?",
answer:
"Yes. Both figures cover the same accounting period and are taken from the same management accounts.",
});
expect(firstResult.success).toBe(true);
const secondResult = applyValidatedProposal({
situationGraph: graph,
proposal,
previousQuestion:
"Were these figures measured on the same basis and at the same scale?",
answer:
"Yes. Both figures cover the same accounting period and are taken from the same management accounts.",
});
expect(secondResult.success).toBe(true);
expect(secondResult.atomicityAssessment).toBe("composite");
const uniqueChildIds = new Set(firstResult.childNodeIds);
expect(uniqueChildIds.size).toBe(firstResult.childNodeIds.length);
).toBe(false);
expect(
secondResult.updatedSituationGraph.nodes.filter((node) =>
firstResult.childNodeIds.includes(node.id),
result.updatedSituationGraph.nodes.some(
(node) =>
node.label ===
"Whether the two observations reflect different timing",
),
).toHaveLength(firstResult.childNodeIds.length);
).toBe(false);
expect(result.selectedQuestion?.question || "").not.toContain(
"two observations",
);
expect(result.decompositionStoppedReason).toBe(
"Decomposition stopped because no meaning-preserving child family was justified for this parent.",
);
expect(result.selectedUnknownBefore).toBe(explanationUnknownId);
});
it("reselects a remaining commercial sibling after resolving the first child", () => {