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confidence-engine/tests/graph/apply-proposal.test.js
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JavaScript

import { describe, expect, it } from "vitest";
import { applyValidatedProposal } from "@/lib/graph/apply-proposal.js";
import { makeEdge, makeGraph, makeNode } from "@/lib/graph/schema.js";
import { validateGraphReferences } from "@/lib/graph/utils.js";
function makeComparabilityUpdateFixture() {
const comparabilityUnknown = makeNode({
id: "n-comparability-unknown",
label: "Whether the figures are comparable",
description:
"Need to know whether the figures use the same period, basis, and scale before comparing them.",
kind: "unknown",
status: "unknown",
confidence: "high",
});
const revenueObservation = makeNode({
id: "n-revenue-observation",
label: "Revenue increased by 18%.",
description: "Revenue increased by 18%.",
kind: "observation",
status: "supported",
confidence: "high",
});
const cashObservation = makeNode({
id: "n-cash-observation",
label: "Cash in the bank decreased over the same period.",
description: "Cash in the bank decreased over the same period.",
kind: "observation",
status: "supported",
confidence: "high",
});
const unrelatedNode = makeNode({
id: "n-unrelated",
label: "Board update",
description: "A separate unchanged note.",
kind: "state",
status: "known",
confidence: "low",
});
const graph = makeGraph({
centralStatement:
"Revenue increased by 18%, but cash in the bank fell over the same period.",
nodes: [
comparabilityUnknown,
revenueObservation,
cashObservation,
unrelatedNode,
],
edges: [
makeEdge({
id: "e-revenue-comparability",
fromNodeId: revenueObservation.id,
toNodeId: comparabilityUnknown.id,
relationship: "supports",
confidence: "medium",
description: "Revenue observation requires comparability confirmation.",
}),
makeEdge({
id: "e-cash-comparability",
fromNodeId: cashObservation.id,
toNodeId: comparabilityUnknown.id,
relationship: "supports",
confidence: "medium",
description: "Cash observation requires comparability confirmation.",
}),
],
activeUnknownNodeId: comparabilityUnknown.id,
resolvedNodeIds: [],
currentSummary: "Initial comparability fixture",
reasoningState: {
comparabilityStatus: "uncertain",
comparabilityReason:
"Comparability between the observations is not yet established across period, scale, or measurement basis.",
comparabilityEvidence: [],
relationshipStatus: "insufficient_information",
relationshipReason:
"Relationship classification is deferred until comparability is established.",
relationshipAssessed: false,
contradictionReasoningAllowed: false,
reasoningStages: [
{
stage: "comparability",
status: "uncertain",
outcome:
"Comparability between the observations is not yet established across period, scale, or measurement basis.",
},
{
stage: "relationship",
status: "insufficient_information",
outcome: "not assessed until comparability is established",
},
],
},
});
const proposal = {
addedNodes: [],
updatedNodes: [
{
nodeId: comparabilityUnknown.id,
previousStatus: "unknown",
newStatus: "resolved",
previousValue: null,
newValue:
"Both figures cover the same accounting period and are taken from the same management accounts.",
reason: "The answer confirms the figures are comparable.",
},
],
addedEdges: [],
removedEdgeIds: [],
resolvedUnknownNodeIds: [comparabilityUnknown.id],
affectedNodeIds: [],
selectedQuestion: null,
};
return { graph, proposal, comparabilityUnknownId: comparabilityUnknown.id };
}
function makeApplicationFixture() {
const complaintRateUnknown = makeNode({
id: "n-complaint-rate-unknown",
label: "Complaint rate",
description: "Need the complaint rate per 100 units",
kind: "unknown",
status: "unknown",
confidence: "high",
affects: ["n-quality-deterioration"],
});
const staffingUnknown = makeNode({
id: "n-staffing-unknown",
label: "Staffing change",
description: "Need to know if staffing changed",
kind: "unknown",
status: "unknown",
confidence: "medium",
});
const qualityDeterioration = makeNode({
id: "n-quality-deterioration",
label: "Quality deterioration conclusion",
description: "Conclusion that quality deteriorated",
kind: "conclusion",
status: "supported",
confidence: "medium",
dependsOn: ["n-complaint-rate-unknown"],
});
const complaintCount = makeNode({
id: "n-complaint-count",
label: "Complaint count observation",
description: "Complaint count increased",
kind: "observation",
status: "supported",
confidence: "high",
value: 135,
unit: "count",
});
const productionCount = makeNode({
id: "n-production-count",
label: "Production count observation",
description: "Production increased",
kind: "observation",
status: "supported",
confidence: "high",
value: 7100,
unit: "units",
});
const graph = makeGraph({
centralStatement: "Complaints rose while production also rose.",
nodes: [
complaintRateUnknown,
staffingUnknown,
qualityDeterioration,
complaintCount,
productionCount,
],
edges: [
makeEdge({
id: "e-quality-depends-rate",
fromNodeId: complaintRateUnknown.id,
toNodeId: qualityDeterioration.id,
relationship: "supports",
confidence: "medium",
description: "The rate informs the quality conclusion",
}),
],
activeUnknownNodeId: complaintRateUnknown.id,
resolvedNodeIds: [],
currentSummary: "Initial summary",
});
const proposal = {
addedNodes: [],
updatedNodes: [
{
nodeId: complaintRateUnknown.id,
previousStatus: "unknown",
newStatus: "resolved",
previousValue: "2.0 complaints per 100 units",
newValue: "1.9 complaints per 100 units",
reason: "The answer provides the updated normalized complaint rate.",
},
{
nodeId: qualityDeterioration.id,
previousStatus: "supported",
newStatus: "weakened",
previousValue: null,
newValue: null,
reason: "The improved rate weakens the deterioration conclusion.",
},
],
addedEdges: [],
removedEdgeIds: [],
resolvedUnknownNodeIds: [complaintRateUnknown.id],
affectedNodeIds: [qualityDeterioration.id],
selectedQuestion: null,
};
return {
graph,
proposal,
ids: {
complaintRateUnknown: complaintRateUnknown.id,
staffingUnknown: staffingUnknown.id,
qualityDeterioration: qualityDeterioration.id,
complaintCount: complaintCount.id,
productionCount: productionCount.id,
},
};
}
describe("applyValidatedProposal", () => {
it("applies a valid proposal successfully", () => {
const { graph, proposal, ids } = makeApplicationFixture();
const result = applyValidatedProposal({
situationGraph: graph,
proposal,
});
expect(result).toMatchObject({
success: true,
graphUpdate: proposal,
resolvedUnknownNodeIds: [ids.complaintRateUnknown],
previousActiveUnknownNodeId: ids.complaintRateUnknown,
newActiveUnknownNodeId: ids.staffingUnknown,
});
expect(
result.updatedSituationGraph.nodes.find(
(node) => node.id === ids.complaintRateUnknown,
)?.status,
).toBe("resolved");
expect(
result.updatedSituationGraph.nodes.find(
(node) => node.id === ids.qualityDeterioration,
)?.status,
).toBe("weakened");
});
it("rejects an invalid graph before application", () => {
const { graph, proposal } = makeApplicationFixture();
graph.nodes[0].dependsOn.push("missing-node");
const original = JSON.parse(JSON.stringify(graph));
const result = applyValidatedProposal({
situationGraph: graph,
proposal,
});
expect(result.success).toBe(false);
expect(result.stage).toBe("graph_validation");
expect(graph).toEqual(original);
});
it("rejects updates referencing nonexistent nodes", () => {
const { graph, proposal } = makeApplicationFixture();
const result = applyValidatedProposal({
situationGraph: graph,
proposal: {
...proposal,
updatedNodes: [
...proposal.updatedNodes,
{
nodeId: "ghost-node",
previousStatus: "unknown",
newStatus: "resolved",
previousValue: null,
newValue: null,
reason: "Invalid reference",
},
],
},
});
expect(result).toMatchObject({
success: false,
stage: "proposal_compatibility",
});
expect(result.errors).toEqual(
expect.arrayContaining([
expect.stringContaining(
'Cannot update non-existent node: "ghost-node"',
),
]),
);
});
it("rejects added edges with invalid references", () => {
const { graph, proposal } = makeApplicationFixture();
const result = applyValidatedProposal({
situationGraph: graph,
proposal: {
...proposal,
addedEdges: [
makeEdge({
id: "e-invalid",
fromNodeId: "missing-node",
toNodeId: "n-quality-deterioration",
relationship: "supports",
confidence: "medium",
description: "Invalid edge",
}),
],
},
});
expect(result.success).toBe(false);
expect(result.stage).toBe("proposal_compatibility");
});
it("rejects duplicate IDs", () => {
const { graph, proposal, ids } = makeApplicationFixture();
const result = applyValidatedProposal({
situationGraph: graph,
proposal: {
...proposal,
addedNodes: [
makeNode({
id: ids.qualityDeterioration,
label: "Duplicate",
description: "Duplicate node id",
}),
],
},
});
expect(result.success).toBe(false);
expect(result.stage).toBe("proposal_compatibility");
expect(result.errors.join(" ")).toContain("duplicate node ID");
});
it("preserves unrelated nodes byte-for-byte", () => {
const { graph, proposal, ids } = makeApplicationFixture();
const originalComplaintCount = JSON.stringify(
graph.nodes.find((node) => node.id === ids.complaintCount),
);
const originalProductionCount = JSON.stringify(
graph.nodes.find((node) => node.id === ids.productionCount),
);
const result = applyValidatedProposal({
situationGraph: graph,
proposal,
});
expect(result.success).toBe(true);
expect(
JSON.stringify(
result.updatedSituationGraph.nodes.find(
(node) => node.id === ids.complaintCount,
),
),
).toBe(originalComplaintCount);
expect(
JSON.stringify(
result.updatedSituationGraph.nodes.find(
(node) => node.id === ids.productionCount,
),
),
).toBe(originalProductionCount);
});
it("adds resolved unknowns to resolvedNodeIds", () => {
const { graph, proposal, ids } = makeApplicationFixture();
const result = applyValidatedProposal({
situationGraph: graph,
proposal,
});
expect(result.success).toBe(true);
expect(result.updatedSituationGraph.resolvedNodeIds).toContain(
ids.complaintRateUnknown,
);
expect(
result.updatedSituationGraph.nodes.find(
(node) => node.id === ids.complaintRateUnknown,
)?.status,
).toBe("resolved");
});
it("rejects resolvedUnknownNodeIds that do not reference actual unknown nodes", () => {
const { graph, proposal, ids } = makeApplicationFixture();
const result = applyValidatedProposal({
situationGraph: graph,
proposal: {
...proposal,
resolvedUnknownNodeIds: [ids.qualityDeterioration],
},
});
expect(result.success).toBe(false);
expect(result.stage).toBe("proposal_compatibility");
expect(result.errors.join(" ")).toContain(
"Resolved unknown must reference an existing unknown node",
);
});
it("rejects a duplicate semantic node without resolution", () => {
const { graph, proposal } = makeApplicationFixture();
const result = applyValidatedProposal({
situationGraph: graph,
proposal: {
...proposal,
resolvedUnknownNodeIds: [],
updatedNodes: proposal.updatedNodes.filter(
(update) => update.nodeId !== "n-complaint-rate-unknown",
),
addedNodes: [
makeNode({
id: "n-parallel-rate",
label: "Complaint rate",
description: "Need the complaint rate per 100 units",
kind: "observation",
status: "supported",
confidence: "medium",
}),
],
},
});
expect(result.success).toBe(false);
expect(result.stage).toBe("proposal_compatibility");
expect(result.errors.join(" ")).toContain(
"duplicating unresolved unknown meaning",
);
});
it("keeps the active unknown when it remains unresolved", () => {
const { graph, ids } = makeApplicationFixture();
const proposal = {
addedNodes: [],
updatedNodes: [
{
nodeId: ids.qualityDeterioration,
previousStatus: "supported",
newStatus: "weakened",
previousValue: null,
newValue: null,
reason: "Only the conclusion changes",
},
],
addedEdges: [],
removedEdgeIds: [],
resolvedUnknownNodeIds: [],
affectedNodeIds: [ids.qualityDeterioration],
};
const result = applyValidatedProposal({
situationGraph: graph,
proposal,
});
expect(result.success).toBe(true);
expect(result.previousActiveUnknownNodeId).toBe(ids.complaintRateUnknown);
expect(result.newActiveUnknownNodeId).toBe(ids.complaintRateUnknown);
});
it("reports affected node ids", () => {
const { graph, proposal, ids } = makeApplicationFixture();
const result = applyValidatedProposal({
situationGraph: graph,
proposal,
});
expect(result.success).toBe(true);
expect(result.affectedNodeIds).toEqual(
expect.arrayContaining([
ids.complaintRateUnknown,
ids.qualityDeterioration,
]),
);
});
it("revalidates the completed graph references", () => {
const { graph, proposal } = makeApplicationFixture();
const result = applyValidatedProposal({
situationGraph: graph,
proposal,
});
expect(result.success).toBe(true);
expect(validateGraphReferences(result.updatedSituationGraph)).toEqual({
valid: true,
errors: [],
});
});
it("is atomic on failure", () => {
const { graph, proposal } = makeApplicationFixture();
const originalGraph = JSON.parse(JSON.stringify(graph));
const result = applyValidatedProposal({
situationGraph: graph,
proposal: {
...proposal,
addedEdges: [
makeEdge({
id: "e-bad",
fromNodeId: "missing-node",
toNodeId: "n-quality-deterioration",
relationship: "supports",
confidence: "medium",
description: "Invalid edge",
}),
],
},
});
expect(result.success).toBe(false);
expect(graph).toEqual(originalGraph);
});
it("rejects a proposal with no meaningful change", () => {
const { graph } = makeApplicationFixture();
const result = applyValidatedProposal({
situationGraph: graph,
proposal: {
addedNodes: [],
updatedNodes: [
{
nodeId: "n-quality-deterioration",
previousStatus: null,
newStatus: null,
previousValue: null,
newValue: null,
reason: "No change",
},
],
addedEdges: [],
removedEdgeIds: [],
resolvedUnknownNodeIds: [],
affectedNodeIds: [],
selectedQuestion: null,
},
});
expect(result).toMatchObject({
success: false,
stage: "proposal_compatibility",
});
expect(result.errors).toEqual(
expect.arrayContaining([expect.stringContaining("no meaningful change")]),
);
});
it("resolves one unknown and adds consequential unknowns with one selected question", () => {
const { graph, ids } = makeApplicationFixture();
const proposal = {
addedNodes: [
makeNode({
id: "n-commercial-value",
label: "Commercial value definition",
description:
"Need a concrete definition of commercial value because the decision depends on it.",
kind: "unknown",
status: "unknown",
confidence: "high",
}),
makeNode({
id: "n-demand-evidence",
label: "Evidence of demand",
description:
"Need evidence of demand because it matters to the build decision.",
kind: "unknown",
status: "unknown",
confidence: "medium",
}),
makeNode({
id: "n-build-decision",
label: "Build Confidence Engine decision",
description: "Decision situation introduced by the answer.",
kind: "state",
status: "supported",
confidence: "medium",
}),
],
updatedNodes: [
{
nodeId: ids.complaintRateUnknown,
previousStatus: "unknown",
newStatus: "resolved",
previousValue: null,
newValue: "Decision whether to build Confidence Engine",
reason: "The answer resolves the original context unknown.",
},
],
addedEdges: [
makeEdge({
id: "e-build-commercial-value",
fromNodeId: "n-build-decision",
toNodeId: "n-commercial-value",
relationship: "depends_on",
confidence: "medium",
description: "The decision depends on defining commercial value.",
}),
makeEdge({
id: "e-build-demand-evidence",
fromNodeId: "n-build-decision",
toNodeId: "n-demand-evidence",
relationship: "depends_on",
confidence: "medium",
description: "The decision depends on evidence of demand.",
}),
],
removedEdgeIds: [],
resolvedUnknownNodeIds: [ids.complaintRateUnknown],
affectedNodeIds: [],
selectedQuestion: {
nodeId: "n-commercial-value",
question: "How should commercial value be defined for this decision?",
reason:
"This is the most consequential unresolved unknown introduced by the answer.",
},
};
const result = applyValidatedProposal({ situationGraph: graph, proposal });
expect(result.success).toBe(true);
expect(result.updatedSituationGraph.resolvedNodeIds).toContain(
ids.complaintRateUnknown,
);
expect(
result.updatedSituationGraph.nodes.some(
(node) => node.id === "n-commercial-value",
),
).toBe(true);
expect(
result.updatedSituationGraph.nodes.some(
(node) => node.id === "n-demand-evidence",
),
).toBe(true);
expect(result.newActiveUnknownNodeId).toBe("n-commercial-value");
expect(result.selectedQuestion?.nodeId).toBe("n-commercial-value");
expect(result.selectedQuestion?.question).toMatch(/\?$/);
expect(result.selectedQuestion?.question.length).toBeGreaterThan(20);
expect(result.selectedQuestion?.question.toLowerCase()).not.toContain(
"price",
);
expect(result.selectedQuestion?.question.toLowerCase()).not.toContain(
"how should uncertainty regarding",
);
});
it("rejects more than 3 added unknowns", () => {
const { graph, proposal, ids } = makeApplicationFixture();
const result = applyValidatedProposal({
situationGraph: graph,
proposal: {
...proposal,
addedNodes: [1, 2, 3, 4].map((index) =>
makeNode({
id: `n-unknown-${index}`,
label: `Unknown ${index}`,
description: `Need unknown ${index} because it matters to the decision.`,
kind: "unknown",
status: "unknown",
confidence: "medium",
}),
),
addedEdges: [1, 2, 3, 4].map((index) =>
makeEdge({
id: `e-unknown-${index}`,
fromNodeId: ids.complaintRateUnknown,
toNodeId: `n-unknown-${index}`,
relationship: "depends_on",
confidence: "medium",
description: `Links unknown ${index}`,
}),
),
selectedQuestion: {
nodeId: "n-unknown-1",
question: "What is unknown 1?",
reason: "Follow-up required.",
},
},
});
expect(result.success).toBe(false);
expect(result.errors.join(" ")).toContain("too many unknown nodes");
});
it("rejects unrelated added unknowns", () => {
const { graph, proposal } = makeApplicationFixture();
const result = applyValidatedProposal({
situationGraph: graph,
proposal: {
...proposal,
addedNodes: [
makeNode({
id: "n-unrelated",
label: "Office rent",
description:
"Need office rent because it matters to a different branch.",
kind: "unknown",
status: "unknown",
confidence: "low",
}),
],
selectedQuestion: {
nodeId: "n-unrelated",
question: "What is the office rent?",
reason: "Unrelated test.",
},
},
});
expect(result.success).toBe(false);
expect(result.errors.join(" ")).toContain(
"explicitly related to an answer-derived node",
);
});
it("accepts a newly added unknown explicitly linked through answer-derived node fields", () => {
const { graph, ids } = makeApplicationFixture();
const proposal = {
addedNodes: [
makeNode({
id: "n-answer-context",
label: "Build Confidence Engine decision",
description: "Decision context introduced by the answer.",
kind: "state",
status: "supported",
confidence: "medium",
childIds: ["n-commercial-value"],
}),
makeNode({
id: "n-commercial-value",
label: "Commercial value definition",
description:
"Need commercial value definition because the decision depends on it.",
kind: "unknown",
status: "unknown",
confidence: "high",
dependsOn: ["n-answer-context"],
}),
],
updatedNodes: [
{
nodeId: ids.complaintRateUnknown,
previousStatus: "unknown",
newStatus: "resolved",
previousValue: null,
newValue: "Decision whether to build Confidence Engine",
reason: "The answer resolves the original context unknown.",
},
],
addedEdges: [],
removedEdgeIds: [],
resolvedUnknownNodeIds: [ids.complaintRateUnknown],
affectedNodeIds: [],
selectedQuestion: {
nodeId: "n-commercial-value",
question: "How should commercial value be defined for this decision?",
reason: "A consequential unknown remains unresolved.",
},
};
const result = applyValidatedProposal({ situationGraph: graph, proposal });
expect(result.success).toBe(true);
expect(result.selectedQuestion?.nodeId).toBe("n-commercial-value");
});
it("rejects a newly added unknown linked only to the original unresolved node when that node is not answer-derived", () => {
const { graph, ids } = makeApplicationFixture();
const result = applyValidatedProposal({
situationGraph: graph,
proposal: {
addedNodes: [
makeNode({
id: "n-commercial-value",
label: "Commercial value definition",
description:
"Need commercial value definition because the decision depends on it.",
kind: "unknown",
status: "unknown",
confidence: "high",
dependsOn: [ids.complaintRateUnknown],
}),
],
updatedNodes: [],
addedEdges: [
makeEdge({
id: "e-legacy-unknown-commercial-value",
fromNodeId: ids.complaintRateUnknown,
toNodeId: "n-commercial-value",
relationship: "depends_on",
confidence: "medium",
description: "Links only to the original unresolved unknown.",
}),
],
removedEdgeIds: [],
resolvedUnknownNodeIds: [],
affectedNodeIds: [],
selectedQuestion: {
nodeId: "n-commercial-value",
question: "How should commercial value be defined for this decision?",
reason: "A consequential unknown remains unresolved.",
},
},
});
expect(result.success).toBe(false);
expect(result.errors.join(" ")).toContain(
"explicitly related to an answer-derived node",
);
});
it("rejects a floating emergent unknown with no explicit relationship", () => {
const { graph } = makeApplicationFixture();
const result = applyValidatedProposal({
situationGraph: graph,
proposal: {
addedNodes: [
makeNode({
id: "n-floating",
label: "Floating unknown",
description: "Need this because it matters to the decision.",
kind: "unknown",
status: "unknown",
confidence: "medium",
}),
],
updatedNodes: [],
addedEdges: [],
removedEdgeIds: [],
resolvedUnknownNodeIds: [],
affectedNodeIds: [],
selectedQuestion: {
nodeId: "n-floating",
question: "What would resolve Floating unknown?",
reason: "Test case for floating unknown rejection.",
},
},
});
expect(result.success).toBe(false);
expect(result.errors.join(" ")).toContain(
"explicitly related to an answer-derived node",
);
});
it("accepts the reported live-shaped commercial-value proposal when the linkage is explicit in node references", () => {
const { graph, ids } = makeApplicationFixture();
const proposal = {
addedNodes: [
makeNode({
id: "answer_context_build",
label: "Build Confidence Engine decision context",
description:
"The answer introduces a concrete decision about whether to build Confidence Engine.",
kind: "state",
status: "known",
confidence: "high",
dependsOn: [ids.complaintRateUnknown, "nu_commercial_val"],
childIds: ["nu_commercial_val"],
affects: ["nu_commercial_val"],
}),
makeNode({
id: "nu_commercial_val",
label: "Commercial viability assessment of Confidence Engine",
description:
"The commercial viability of Confidence Engine remains unknown because resolving it is needed to decide whether building it is justified.",
kind: "unknown",
status: "unknown",
confidence: "medium",
dependsOn: ["answer_context_build"],
childIds: ["answer_context_build"],
}),
],
updatedNodes: [
{
nodeId: ids.complaintRateUnknown,
previousStatus: "unknown",
newStatus: "resolved",
previousValue: null,
newValue:
"Deciding whether to build the Confidence Engine due to uncertainty about its commercial value.",
reason: "The answer resolves the original context unknown.",
},
],
addedEdges: [],
removedEdgeIds: [],
resolvedUnknownNodeIds: [ids.complaintRateUnknown],
affectedNodeIds: [
ids.complaintRateUnknown,
"answer_context_build",
"nu_commercial_val",
],
selectedQuestion: {
nodeId: "nu_commercial_val",
question:
"How should commercial viability be defined for this decision?",
reason: "A foundational commercial-value unknown remains unresolved.",
},
};
const result = applyValidatedProposal({ situationGraph: graph, proposal });
expect(result.success).toBe(true);
expect(result.updatedSituationGraph.resolvedNodeIds).toContain(
ids.complaintRateUnknown,
);
expect(
result.updatedSituationGraph.nodes.some(
(node) => node.id === "nu_commercial_val",
),
).toBe(true);
});
it("rejects selected question referencing resolved node", () => {
const { graph, proposal, ids } = makeApplicationFixture();
const result = applyValidatedProposal({
situationGraph: graph,
proposal: {
...proposal,
selectedQuestion: {
nodeId: ids.complaintRateUnknown,
question: "What is the complaint rate?",
reason: "Invalid reselection.",
},
},
});
expect(result.success).toBe(false);
expect(result.errors.join(" ")).toContain(
"selectedQuestion must reference an unresolved node",
);
});
it("active unknown matches selected question node", () => {
const { graph, ids } = makeApplicationFixture();
const proposal = {
addedNodes: [
makeNode({
id: "n-success-threshold",
label: "Success threshold",
description:
"Need a success threshold because the decision depends on it.",
kind: "unknown",
status: "unknown",
confidence: "high",
}),
makeNode({
id: "n-build-decision",
label: "Build Confidence Engine decision",
description: "Decision introduced by the answer.",
kind: "state",
status: "supported",
confidence: "medium",
}),
],
updatedNodes: [
{
nodeId: ids.complaintRateUnknown,
previousStatus: "unknown",
newStatus: "resolved",
previousValue: null,
newValue: "Decision whether to build Confidence Engine",
reason: "The answer resolves the original unknown.",
},
],
addedEdges: [
makeEdge({
id: "e-build-success-threshold",
fromNodeId: "n-build-decision",
toNodeId: "n-success-threshold",
relationship: "depends_on",
confidence: "medium",
description: "The decision depends on a success threshold.",
}),
],
removedEdgeIds: [],
resolvedUnknownNodeIds: [ids.complaintRateUnknown],
affectedNodeIds: [],
selectedQuestion: {
nodeId: "n-success-threshold",
question: "What success threshold would justify building it?",
reason: "One consequential unknown remains.",
},
};
const result = applyValidatedProposal({ situationGraph: graph, proposal });
expect(result.success).toBe(true);
expect(result.newActiveUnknownNodeId).toBe(result.selectedQuestion?.nodeId);
});
it("replaces downstream pricing question with higher-value commercial-value question", () => {
const { graph, ids } = makeApplicationFixture();
const proposal = {
addedNodes: [
makeNode({
id: "n-commercial-value",
label: "Commercial value definition",
description:
"Need commercial value definition because the decision depends on it.",
kind: "unknown",
status: "unknown",
confidence: "high",
}),
makeNode({
id: "n-pricing",
label: "Target price point",
description:
"Need a price point because revenue assumptions depend on it.",
kind: "unknown",
status: "unknown",
confidence: "medium",
dependsOn: ["n-commercial-value"],
}),
makeNode({
id: "n-build-decision",
label: "Build Confidence Engine decision",
description: "Decision introduced by the answer.",
kind: "state",
status: "supported",
confidence: "medium",
}),
],
updatedNodes: [
{
nodeId: ids.complaintRateUnknown,
previousStatus: "unknown",
newStatus: "resolved",
previousValue: null,
newValue: "Decision whether to build Confidence Engine",
reason: "The answer resolves the original context unknown.",
},
],
addedEdges: [
makeEdge({
id: "e-build-commercial-value",
fromNodeId: "n-build-decision",
toNodeId: "n-commercial-value",
relationship: "depends_on",
confidence: "medium",
description: "The decision depends on defining commercial value.",
}),
makeEdge({
id: "e-commercial-value-pricing",
fromNodeId: "n-commercial-value",
toNodeId: "n-pricing",
relationship: "depends_on",
confidence: "medium",
description: "Pricing depends on commercial value definition.",
}),
makeEdge({
id: "e-build-pricing",
fromNodeId: "n-build-decision",
toNodeId: "n-pricing",
relationship: "depends_on",
confidence: "low",
description: "The decision also references pricing assumptions.",
}),
],
removedEdgeIds: [],
resolvedUnknownNodeIds: [ids.complaintRateUnknown],
affectedNodeIds: [],
selectedQuestion: {
nodeId: "n-pricing",
question: "What is the target price point?",
reason: "Model chose a downstream leaf.",
},
};
const result = applyValidatedProposal({ situationGraph: graph, proposal });
expect(result.success).toBe(true);
expect(result.selectedQuestion?.nodeId).toBe("n-commercial-value");
expect(result.selectedQuestion?.question.toLowerCase()).not.toContain(
"price",
);
});
it("resolves the existing comparability unknown and advances reasoning after the answer", () => {
const { graph, proposal, comparabilityUnknownId } =
makeComparabilityUpdateFixture();
const originalUnrelatedNode = JSON.stringify(
graph.nodes.find((node) => node.id === "n-unrelated"),
);
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.",
});
expect(result.success).toBe(true);
expect(result.resolvedUnknownNodeIds).toContain(comparabilityUnknownId);
expect(result.resolvedReasoningNodeIds).toEqual([
"reasoning:comparability",
]);
expect(result.emergentReasoningNodeCreated).toBe(true);
expect(result.emergentReasoningNodeId).toBeTruthy();
expect(result.emergentReasoningNodeReason).toContain("backed by the graph");
expect(result.previousReasoningState.comparabilityStatus).toBe("uncertain");
expect(result.reasoningState).toMatchObject({
comparabilityStatus: "confirmed",
relationshipStatus: "potentially_related",
relationshipAssessed: true,
});
expect(result.reasoningState.comparabilityEvidence).toEqual([
comparabilityUnknownId,
]);
expect(result.selectedQuestion?.nodeId).toBe(result.newActiveUnknownNodeId);
expect(result.selectedQuestion).toMatchObject({
nodeId: result.newActiveUnknownNodeId,
question:
"What evidence would clarify how the two observations were measured?",
});
expect(result.selectedQuestion?.question.toLowerCase()).not.toMatch(
/dso|debtor days|receivables turnover|working capital|receivables/,
);
expect(result.reasoningState.reasoningStages).toEqual([
{
stage: "comparability",
status: "confirmed",
outcome:
"Comparability was confirmed by the user answer covering the same period and source basis.",
},
{
stage: "relationship",
status: "potentially_related",
outcome:
"The observations concern connected business signals but do not establish a direct contradiction or cause.",
},
]);
const emergentNode = result.updatedSituationGraph.nodes.find(
(node) => node.id === result.emergentReasoningNodeId,
);
expect(emergentNode).toMatchObject({
kind: "unknown",
status: "unknown",
confidence: "medium",
});
expect(emergentNode.description.toLowerCase()).toContain("because");
expect(
result.updatedSituationGraph.edges.filter(
(edge) => edge.toNodeId === result.emergentReasoningNodeId,
),
).not.toEqual([]);
expect(
result.updatedSituationGraph.edges.some(
(edge) =>
edge.toNodeId === result.emergentReasoningNodeId &&
edge.relationship === "causes",
),
).toBe(false);
expect(
JSON.stringify(
result.updatedSituationGraph.nodes.find(
(node) => node.id === "n-unrelated",
),
),
).toBe(originalUnrelatedNode);
});
it("reuses an equivalent existing unresolved reasoning unknown instead of creating a duplicate", () => {
const { graph, proposal } = makeComparabilityUpdateFixture();
graph.nodes.push(
makeNode({
id: "n-existing-explanation",
label:
"Explanation for why Revenue increased by 18%, but cash in the bank fell over the same period",
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 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.",
});
expect(result.success).toBe(true);
expect(result.emergentReasoningNodeCreated).toBe(false);
expect(result.emergentReasoningNodeId).toBe("n-existing-explanation");
expect(result.newActiveUnknownNodeId).not.toBe("n-existing-explanation");
expect(result.selectedQuestion?.nodeId).not.toBe("n-existing-explanation");
expect(result.selectedQuestion?.question).toBe(
"What evidence would clarify how the two observations were measured?",
);
expect(
result.updatedSituationGraph.nodes.filter(
(node) => node.label === graph.nodes.at(-1).label,
),
).toHaveLength(1);
});
it("decomposes a composite selected unknown before asking the next question", () => {
const { graph, proposal } = makeComparabilityUpdateFixture();
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.",
});
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.updatedSituationGraph.edges.filter(
(edge) =>
result.childNodeIds.includes(edge.fromNodeId) &&
edge.toNodeId === parentNode.id &&
edge.relationship === "depends_on",
),
).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);
expect(
secondResult.updatedSituationGraph.nodes.filter((node) =>
firstResult.childNodeIds.includes(node.id),
),
).toHaveLength(firstResult.childNodeIds.length);
});
});