test(replay-ui): dedup step/summary fixtures into shared module

replay-ui/src/__tests__/action-format.test.ts

@@ -5,17 +5,7 @@ import {
   parseSelector,
   tagFromSelector,
 } from "../lib/action-format";
-import type { StepSummary } from "../types";
-
-function summary(over: Partial<StepSummary>): StepSummary {
-  return {
-    index: 0,
-    timestamp: "1970-01-01T00:00:00.000Z",
-    has_violations: false,
-    has_exceptions: false,
-    ...over,
-  };
-}
+import { summary } from "./fixtures";
 
 // Bug class: selector parsing mislabels every action row — splitting on the
 // wrong colon, treating a value-with-colon as the kind, or dropping the prefix

replay-ui/src/__tests__/fixtures.ts

@@ -0,0 +1,15 @@
+import type { Step, StepSummary } from "../types";
+
+export function step(over: Partial<Step>): Step {
+  return { step: 0, timestamp: "1970-01-01T00:00:00.000Z", ...over };
+}
+
+export function summary(over: Partial<StepSummary>): StepSummary {
+  return {
+    index: 0,
+    timestamp: "1970-01-01T00:00:00.000Z",
+    has_violations: false,
+    has_exceptions: false,
+    ...over,
+  };
+}

replay-ui/src/__tests__/property-status.test.ts

@@ -4,7 +4,7 @@ import {
   statusFor,
   statusForStep,
 } from "../lib/property-status";
-import type { Step } from "../types";
+import { step } from "./fixtures";
 
 // Bug class: RunDetail and ViolationsPanel once carried two copies of this
 // status logic; if they drift, the same property shows a different verdict in
@@ -22,14 +22,12 @@ describe("statusFor", () => {
 
 describe("statusForStep", () => {
   it("matches statusFor for the same step and is pending for a null step", () => {
-    const step: Step = {
-      step: 0,
-      timestamp: "1970-01-01T00:00:00.000Z",
+    const s = step({
       violations: ["v"],
       residuals: { v: { op: "true" }, h: { op: "true" } },
-    };
-    expect(statusForStep("v", step)).toBe("violated");
-    expect(statusForStep("h", step)).toBe("holds");
+    });
+    expect(statusForStep("v", s)).toBe("violated");
+    expect(statusForStep("h", s)).toBe("holds");
     expect(statusForStep("v", null)).toBe("pending");
   });
 });

replay-ui/src/__tests__/run-history.test.ts

@@ -6,21 +6,8 @@ import {
   statusForProperty,
 } from "../lib/run-history";
 import type { PropertyLane } from "../panels/Timeline";
-import type { Run, Step, StepSummary } from "../types";
-
-function step(over: Partial<Step>): Step {
-  return { step: 0, timestamp: "1970-01-01T00:00:00.000Z", ...over };
-}
-
-function summary(over: Partial<StepSummary>): StepSummary {
-  return {
-    index: 0,
-    timestamp: "1970-01-01T00:00:00.000Z",
-    has_violations: false,
-    has_exceptions: false,
-    ...over,
-  };
-}
+import type { Run } from "../types";
+import { step, summary } from "./fixtures";
 
 function lane(name: string, statuses: PropertyLane["statuses"]): PropertyLane {
   return { name, statuses };