diff --git a/background/auto-run-controller.js b/background/auto-run-controller.js
index c5ff064..c534c75 100644
--- a/background/auto-run-controller.js
+++ b/background/auto-run-controller.js
@@ -74,6 +74,31 @@
     });
     const DONE_NODE_STATUSES = new Set(['completed', 'manual_completed', 'skipped']);
 
+    function buildFreshAttemptIdentityResetPatch() {
+      return {
+        currentPhoneActivation: null,
+        phoneNumber: '',
+        accountIdentifierType: null,
+        accountIdentifier: '',
+        signupPhoneNumber: '',
+        signupPhoneActivation: null,
+        signupPhoneCompletedActivation: null,
+        signupPhoneVerificationRequestedAt: null,
+        signupPhoneVerificationPurpose: '',
+        currentPhoneVerificationCode: '',
+        currentPhoneVerificationCountdownEndsAt: 0,
+        currentPhoneVerificationCountdownWindowIndex: 0,
+        currentPhoneVerificationCountdownWindowTotal: 0,
+        email: null,
+        registrationEmailState: { ...EMPTY_REGISTRATION_EMAIL_STATE },
+        step8VerificationTargetEmail: '',
+        lastEmailTimestamp: null,
+        lastSignupCode: '',
+        lastLoginCode: '',
+        bindEmailSubmitted: false,
+      };
+    }
+
     function isPhoneSignupFlow(state = {}) {
       const resolvedSignupMethod = String(state?.resolvedSignupMethod || '').trim().toLowerCase();
       if (resolvedSignupMethod === 'phone' || resolvedSignupMethod === 'email') {
@@ -703,6 +728,7 @@
                 attemptRun,
                 sessionId,
               }),
+              ...buildFreshAttemptIdentityResetPatch(),
               currentNodeId: '',
               nodeStatuses: buildFreshAttemptNodeStatuses(prevState),
               autoRunRoundSummaries: serializeAutoRunRoundSummaries(totalRuns, roundSummaries),
diff --git a/tests/auto-run-fresh-attempt-reset.test.js b/tests/auto-run-fresh-attempt-reset.test.js
index ad5bc95..6c999d5 100644
--- a/tests/auto-run-fresh-attempt-reset.test.js
+++ b/tests/auto-run-fresh-attempt-reset.test.js
@@ -149,6 +149,23 @@ let currentState = {
   inbucketMailbox: '',
   cloudflareDomain: '',
   cloudflareDomains: [],
+  email: 'stale-round@example.com',
+  registrationEmailState: {
+    current: 'stale-round@example.com',
+    previous: 'older-round@example.com',
+    source: 'generated:duck',
+    updatedAt: 123456789,
+  },
+  step8VerificationTargetEmail: 'bound-round@example.com',
+  lastEmailTimestamp: 987654321,
+  lastSignupCode: '111111',
+  lastLoginCode: '222222',
+  bindEmailSubmitted: true,
+  currentPhoneActivation: {
+    activationId: 'runtime-activation',
+    phoneNumber: '+661111111',
+  },
+  phoneNumber: '+661111111',
   reusablePhoneActivation: {
     activationId: '123456',
     phoneNumber: '66959916439',
@@ -280,6 +297,52 @@ async function runAutoSequenceFromStep() {
     throw new Error('fresh auto-run attempt reused stale runtime tab context');
   }
 
+  if (runCalls === 2) {
+    if (state.email !== null) {
+      throw new Error('fresh round must not reuse prior registration email');
+    }
+    if (JSON.stringify(state.registrationEmailState) !== JSON.stringify({
+      current: '',
+      previous: '',
+      source: '',
+      updatedAt: 0,
+    })) {
+      throw new Error('fresh round must clear registration email history');
+    }
+    if (state.step8VerificationTargetEmail !== '') {
+      throw new Error('fresh round must clear bound-email target');
+    }
+    if (state.lastEmailTimestamp !== null) {
+      throw new Error('fresh round must clear email timestamp');
+    }
+    if (state.lastSignupCode !== '') {
+      throw new Error('fresh round must clear signup code cache');
+    }
+    if (state.lastLoginCode !== '') {
+      throw new Error('fresh round must clear login code cache');
+    }
+    if (state.bindEmailSubmitted !== false) {
+      throw new Error('fresh round must clear bind-email marker');
+    }
+    if (state.currentPhoneActivation !== null) {
+      throw new Error('fresh round must clear runtime phone activation');
+    }
+    if (state.phoneNumber !== '') {
+      throw new Error('fresh round must clear runtime phone number');
+    }
+  }
+
+  currentState = {
+    ...currentState,
+    email: 'fresh-round-' + runCalls + '@example.com',
+    registrationEmailState: {
+      current: 'fresh-round-' + runCalls + '@example.com',
+      previous: 'fresh-round-' + runCalls + '@example.com',
+      source: 'generated:duck',
+      updatedAt: 22334455 + runCalls,
+    },
+  };
+
   currentState = {
     ...currentState,
     stepStatuses: {