fix: complete dynamic engine cleanup

frontend/src/lib/birth-time-journey-adapters.ts

@@ -83,15 +83,7 @@ const eventDomainSchema = z.enum([
   "career",
   "health_pressure",
 ]);
-const candidateEvidenceApiSchema = z.object({
-  event_id: z.string().uuid(),
-  domain: eventDomainSchema,
-  candidate_time: z.string(),
-  rule_ids: z.array(z.string()),
-  points: z.number(),
-});
-
-const candidateResultApiFields = {
+const candidateResultApiSchema = z.object({
   result_id: z.string().uuid(),
   confidence: z.enum(["low", "medium", "high"]),
   can_apply: z.boolean(),
@@ -107,10 +99,15 @@ const candidateResultApiFields = {
   second_score: z.number(),
   margin_percent: z.number(),
   reasons: z.array(z.string()),
-  evidence: z.array(candidateEvidenceApiSchema),
+  evidence: z.array(z.object({
+    event_id: z.string().uuid(),
+    domain: eventDomainSchema,
+    candidate_time: z.string(),
+    rule_ids: z.array(z.string()),
+    points: z.number(),
+  })),
   algorithm_version: z.string(),
-} as const;
-const candidateResultApiSchema = z.object(candidateResultApiFields).passthrough();
+}).passthrough();
 
 class UnexpectedProfileSourceError extends Error {
   readonly name = "UnexpectedProfileSourceError";

frontend/src/lib/birth-time-journey-engine-model.ts

@@ -14,8 +14,6 @@ import type {
   JourneyEventScoreInput,
 } from "./birth-time-journey-service.ts";
 
-export const journeyEngineTimeoutMs = 45_000;
-
 export class BirthTimeJourneyEngineError extends Error {
   readonly name = "BirthTimeJourneyEngineError";
   readonly status: number;
@@ -55,7 +53,10 @@ export function createJourneyEngineWire(options: {
   readonly apiBase: string;
   readonly dynamicToken: string | null;
   readonly fetchImpl: JourneyEngineFetch;
+  readonly signalFactory?: (timeoutMs: number) => AbortSignal;
 }): JourneyEngineWire {
+  const signalFactory = options.signalFactory
+    ?? ((timeoutMs: number) => AbortSignal.timeout(timeoutMs));
   return {
     async post(input) {
       const token = options.dynamicToken?.trim();
@@ -69,7 +70,7 @@ export function createJourneyEngineWire(options: {
           ...(input.authentication === "dynamic" ? { authorization: `Bearer ${token}` } : {}),
         },
         body: JSON.stringify(input.body),
-        signal: AbortSignal.timeout(journeyEngineTimeoutMs),
+        signal: signalFactory(45_000),
       });
       const payload = await response.json();
       if (!response.ok) throw new BirthTimeJourneyEngineError(response.status);