diff --git a/web/e2e/document-revision-runtime.spec.ts b/web/e2e/document-revision-runtime.spec.ts
index 30310f6d..b0ad0562 100644
--- a/web/e2e/document-revision-runtime.spec.ts
+++ b/web/e2e/document-revision-runtime.spec.ts
@@ -23,6 +23,11 @@ import {
   currentProjectBannerName,
   visibleProjectEntry,
 } from '../src/lib/currentProjectRestore';
+import {
+  SHARED_PHASE_SECRETS_FILE,
+  SHARED_PHASE_STATE_FILE,
+  playwrightResultsFileName,
+} from '../src/lib/playwrightPhaseArtifacts';
 
 /**
  * Document revision runtime — real UI acceptance (UI-01..UI-16).
@@ -45,10 +50,10 @@ const ASSETS = path.resolve(
 const SCREENSHOTS = path.join(ASSETS, 'screenshots');
 const TRACES = path.join(ASSETS, 'traces');
 const VIDEOS = path.join(ASSETS, 'videos');
-const RESULTS_FILE = path.join(ASSETS, 'ui-acceptance-results.json');
-const PHASE_STATE_FILE = path.join(ASSETS, 'phase-state.json');
+const RESULTS_FILE = path.join(ASSETS, playwrightResultsFileName(uiPhase));
+const PHASE_STATE_FILE = path.join(ASSETS, SHARED_PHASE_STATE_FILE);
 /** Local-only secrets for post-restart login — never copied into results JSON. */
-const PHASE_SECRETS_FILE = path.join(ASSETS, 'phase-secrets.local.json');
+const PHASE_SECRETS_FILE = path.join(ASSETS, SHARED_PHASE_SECRETS_FILE);
 
 for (const d of [SCREENSHOTS, TRACES, VIDEOS]) {
   fs.mkdirSync(d, { recursive: true });
diff --git a/web/src/lib/playwrightPhaseArtifacts.test.ts b/web/src/lib/playwrightPhaseArtifacts.test.ts
index d92bc377..6e70d289 100644
--- a/web/src/lib/playwrightPhaseArtifacts.test.ts
+++ b/web/src/lib/playwrightPhaseArtifacts.test.ts
@@ -1,6 +1,14 @@
 import { describe, it } from 'node:test';
 import assert from 'node:assert/strict';
-import { playwrightArtifactDirNames, playwrightPhaseSlug } from './playwrightPhaseArtifacts';
+import {
+  MAIN_RESULTS_FILE,
+  POST_RESTART_RESULTS_FILE,
+  SHARED_PHASE_SECRETS_FILE,
+  SHARED_PHASE_STATE_FILE,
+  playwrightArtifactDirNames,
+  playwrightPhaseSlug,
+  playwrightResultsFileName,
+} from './playwrightPhaseArtifacts';
 
 describe('playwrightPhaseArtifacts', () => {
   it('defaults unknown or empty UI_PHASE to main', () => {
@@ -19,4 +27,21 @@ describe('playwrightPhaseArtifacts', () => {
     assert.notEqual(main.outputDirName, restart.outputDirName);
     assert.notEqual(main.reportDirName, restart.reportDirName);
   });
+
+  it('keeps main results at the historical filename and isolates post-restart recordPass', () => {
+    assert.equal(playwrightResultsFileName('main'), MAIN_RESULTS_FILE);
+    assert.equal(playwrightResultsFileName(undefined), 'ui-acceptance-results.json');
+    assert.equal(playwrightResultsFileName('post-restart'), POST_RESTART_RESULTS_FILE);
+    assert.equal(playwrightArtifactDirNames('main').resultsFileName, 'ui-acceptance-results.json');
+    assert.equal(
+      playwrightArtifactDirNames('post-restart').resultsFileName,
+      'ui-acceptance-results-post-restart.json',
+    );
+    assert.notEqual(playwrightResultsFileName('main'), playwrightResultsFileName('post-restart'));
+  });
+
+  it('shares phase-state and secrets across phases', () => {
+    assert.equal(SHARED_PHASE_STATE_FILE, 'phase-state.json');
+    assert.equal(SHARED_PHASE_SECRETS_FILE, 'phase-secrets.local.json');
+  });
 });
diff --git a/web/src/lib/playwrightPhaseArtifacts.ts b/web/src/lib/playwrightPhaseArtifacts.ts
index 7a2f4660..a60ad323 100644
--- a/web/src/lib/playwrightPhaseArtifacts.ts
+++ b/web/src/lib/playwrightPhaseArtifacts.ts
@@ -1,18 +1,32 @@
 export type PlaywrightUiPhase = 'main' | 'post-restart';
 
+/** Shared across phases so post-restart can resume the main project/login. */
+export const SHARED_PHASE_STATE_FILE = 'phase-state.json';
+export const SHARED_PHASE_SECRETS_FILE = 'phase-secrets.local.json';
+
+/** Main keeps the historical ledger name so existing evidence/docs stay valid. */
+export const MAIN_RESULTS_FILE = 'ui-acceptance-results.json';
+export const POST_RESTART_RESULTS_FILE = 'ui-acceptance-results-post-restart.json';
+
 export function playwrightPhaseSlug(uiPhase?: string): PlaywrightUiPhase {
   return uiPhase?.trim() === 'post-restart' ? 'post-restart' : 'main';
 }
 
+export function playwrightResultsFileName(uiPhase?: string): string {
+  return playwrightPhaseSlug(uiPhase) === 'post-restart' ? POST_RESTART_RESULTS_FILE : MAIN_RESULTS_FILE;
+}
+
 export function playwrightArtifactDirNames(uiPhase?: string): {
   outputDirName: string;
   reportDirName: string;
+  resultsFileName: string;
   slug: PlaywrightUiPhase;
 } {
   const slug = playwrightPhaseSlug(uiPhase);
   return {
     outputDirName: `playwright-output-${slug}`,
     reportDirName: `playwright-report-${slug}`,
+    resultsFileName: playwrightResultsFileName(uiPhase),
     slug,
   };
 }