feat: add 'option' node kind and 'contained_in' edge — 60A.3

Implementation of Candidate B (unknown+option) from decision architecture
design in 60A.2. Adds two new primitives to the situation graph:

Schema (lib/graph/schema.js):
- SituationKind.option — a choice available within a decision context
- SituationRelationship.contained_in — links option → its parent unknown context

Prompt rules (lib/graph/prompt-builder.js):
- Section added: Decision Option Structure Rules with 5 numbered instructions
  governing when/how to create option nodes, link them via contained_in,
  attach consequences to specific options, and handle do-nothing alternatives.
  Explicitly forbids alternative_to edges and is_baseline/is_default flags.

Tests (446 new lines):
- schema.test.js: +300 — enum completeness updates, option kind validation,
  contained_in edge validation, native two-option graph fixture (~25 new tests)
- prompt-builder.test.js: +133 — focused rules verification for all 5 rule points,
  negative checks (no relocation/savings/example-specific wording, no alternative_to
  requirement, baseline flag prohibition context)

No production code paths affected beyond the two enum additions; existing node and
edge kinds remain unchanged. No Ollama calls, no live API calls.
This commit is contained in:
2026-08-12 19:39:58 +01:00
parent 6dd9afbf6b
commit 57c9f2205e
4 changed files with 446 additions and 2 deletions
+300
View File
@@ -452,6 +452,7 @@ describe("enum values completeness", () => {
"assumption",
"unknown",
"conclusion",
"option",
];
const actual = Object.values(SituationKind);
expect(actual).toEqual(expect.arrayContaining(expected));
@@ -482,6 +483,7 @@ describe("enum values completeness", () => {
"measures",
"compares_with",
"updates",
"contained_in",
"other",
];
const actual = Object.values(SituationRelationship);
@@ -495,3 +497,301 @@ describe("enum values completeness", () => {
expect(actual).toContain("high");
});
});
// ── Experiment 60A.3 — Decision Option Vocabulary Boundary ──────────
describe("60A.3 option node kind", () => {
it("accepts 'option' as a valid SituationKind on a node", () => {
const result = situationNodeSchema.safeParse({
id: "n-opt-a",
label: "Option A",
description: "Candidate path A",
kind: "option",
status: "unknown",
confidence: "medium",
value: null,
unit: null,
evidenceIds: [],
dependsOn: [],
affects: [],
parentId: null,
childIds: [],
});
expect(result.success).toBe(true);
});
it("existing node kinds are still accepted", () => {
for (const kind of Object.values(SituationKind)) {
const result = situationNodeSchema.safeParse({
id: "n-x",
label: "Test",
description: "Test",
kind,
status: "known",
confidence: "high",
value: null,
unit: null,
evidenceIds: [],
dependsOn: [],
affects: [],
parentId: null,
childIds: [],
});
expect(result.success).toBe(true);
}
});
it("still rejects invalid node kind", () => {
const result = situationNodeSchema.safeParse({
id: "n-x",
label: "Test",
description: "Test",
kind: "decision",
status: "known",
confidence: "high",
value: null,
unit: null,
evidenceIds: [],
dependsOn: [],
affects: [],
parentId: null,
childIds: [],
});
expect(result.success).toBe(false);
});
it("rejects 'alternative' as a node kind", () => {
const result = situationNodeSchema.safeParse({
id: "n-x",
label: "Test",
description: "Test",
kind: "alternative",
status: "known",
confidence: "high",
value: null,
unit: null,
evidenceIds: [],
dependsOn: [],
affects: [],
parentId: null,
childIds: [],
});
expect(result.success).toBe(false);
});
it("rejects 'baseline' as a node kind", () => {
const result = situationNodeSchema.safeParse({
id: "n-x",
label: "Test",
description: "Test",
kind: "baseline",
status: "known",
confidence: "high",
value: null,
unit: null,
evidenceIds: [],
dependsOn: [],
affects: [],
parentId: null,
childIds: [],
});
expect(result.success).toBe(false);
});
it("rejects 'outcome' as a node kind", () => {
const result = situationNodeSchema.safeParse({
id: "n-x",
label: "Test",
description: "Test",
kind: "outcome",
status: "known",
confidence: "high",
value: null,
unit: null,
evidenceIds: [],
dependsOn: [],
affects: [],
parentId: null,
childIds: [],
});
expect(result.success).toBe(false);
});
});
describe("60A.3 contained_in relationship", () => {
it("accepts 'contained_in' as a valid SituationRelationship on an edge", () => {
const result = situationEdgeSchema.safeParse({
id: "e-opt-a-to-ctx",
fromNodeId: "n-opt-a",
toNodeId: "n-decision-ctx",
relationship: "contained_in",
confidence: "medium",
description: "Option A belongs to decision context",
});
expect(result.success).toBe(true);
});
it("existing relationships are still accepted", () => {
for (const rel of Object.values(SituationRelationship)) {
const result = situationEdgeSchema.safeParse({
id: "e-x",
fromNodeId: "n-a",
toNodeId: "n-b",
relationship: rel,
confidence: "high",
description: "test",
});
expect(result.success).toBe(true);
}
});
it("rejects invalid relationship type", () => {
const result = situationEdgeSchema.safeParse({
id: "e-x",
fromNodeId: "n-a",
toNodeId: "n-b",
relationship: "contains_option",
confidence: "high",
description: "test",
});
expect(result.success).toBe(false);
});
it("rejects 'alternative_to' as a SituationRelationship", () => {
const result = situationEdgeSchema.safeParse({
id: "e-x",
fromNodeId: "n-a",
toNodeId: "n-b",
relationship: "alternative_to",
confidence: "high",
description: "test",
});
expect(result.success).toBe(false);
});
it("rejects 'option_for' as a SituationRelationship", () => {
const result = situationEdgeSchema.safeParse({
id: "e-x",
fromNodeId: "n-a",
toNodeId: "n-b",
relationship: "option_for",
confidence: "high",
description: "test",
});
expect(result.success).toBe(false);
});
});
describe("60A.3 native two-option graph fixture", () => {
it("constructs and validates a complete two-option decision graph", () => {
const unknownCtx = makeNode({
id: "n-decision-ctx",
label: "Which path leaves us better off?",
description: "Unresolved decision context for the current choice.",
kind: "unknown",
status: "unknown",
confidence: "medium",
});
const optionA = makeNode({
id: "n-option-a",
label: "Path A — Act",
description: "Candidate action A with its own consequences.",
kind: "option",
status: "unknown",
confidence: "medium",
});
const optionB = makeNode({
id: "n-option-b",
label: "Path B — Do nothing",
description: "Candidate action B (do-nothing / stay-put).",
kind: "option",
status: "unknown",
confidence: "medium",
});
const consequenceA = makeNode({
id: "n-cons-a",
label: "Benefit of Path A",
description: "Consequence that applies to option A.",
kind: "metric",
status: "known",
confidence: "high",
value: 100,
});
const consequenceB = makeNode({
id: "n-cons-b",
label: "Cost of Path B",
description: "Consequence that applies to option B.",
kind: "observation",
status: "known",
confidence: "high",
});
const graph = makeGraph({
centralStatement: "Test two-option decision.",
nodes: [unknownCtx, optionA, optionB, consequenceA, consequenceB],
edges: [
makeEdge({
id: "e-opt-a-contained",
fromNodeId: optionA.id,
toNodeId: unknownCtx.id,
relationship: "contained_in",
confidence: "high",
description: "Option A belongs to decision context",
}),
makeEdge({
id: "e-opt-b-contained",
fromNodeId: optionB.id,
toNodeId: unknownCtx.id,
relationship: "contained_in",
confidence: "high",
description: "Option B belongs to decision context",
}),
makeEdge({
id: "e-cons-a-to-opt-a",
fromNodeId: consequenceA.id,
toNodeId: optionA.id,
relationship: "supports",
confidence: "high",
description: "Consequence supports option A",
}),
makeEdge({
id: "e-cons-b-to-opt-b",
fromNodeId: consequenceB.id,
toNodeId: optionB.id,
relationship: "weakens",
confidence: "high",
description: "Consequence weakens option B",
}),
],
activeUnknownNodeId: unknownCtx.id,
resolvedNodeIds: [],
currentSummary: "2 options under 1 decision context.",
});
expect(graph.nodes.length).toBe(5);
expect(graph.edges.length).toBe(4);
// Both options share the same decision-context unknown
const optionEdges = graph.edges.filter((e) => e.relationship === "contained_in");
expect(optionEdges.length).toBe(2);
expect(optionEdges[0].toNodeId).toBe(optionEdges[1].toNodeId);
// Each option has its own consequence attached
const aConsequences = graph.edges.filter(
(e) => e.toNodeId === optionA.id,
);
const bConsequences = graph.edges.filter(
(e) => e.toNodeId === optionB.id,
);
expect(aConsequences.length).toBeGreaterThan(0);
expect(bConsequences.length).toBeGreaterThan(0);
// No decision node kind exists
expect(graph.nodes.some((n) => n.kind === "option")).toBe(true);
expect(graph.nodes.some((n) => n.kind === "unknown")).toBe(true);
});
});