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+---
+phase: 08-stack-upgrade-backend-decomposition
+plan: "03"
+subsystem: frontend-toast-store
+tags: [frontend, toast, pinia, session-revocation, xfail-promotion, cr-01, cr-02, cr-03, wave-1]
+dependency_graph:
+  requires:
+    - "08-01: xfail stubs for CR-01/CR-02/CR-03 (decorators to remove)"
+  provides:
+    - "frontend/src/stores/toast.js: locked show(message, type, duration) contract for Phase 10"
+    - "SettingsAccountTab.vue: uses toastStore.show() in changePassword + disableTotp"
+    - "TotpEnrollment.vue: uses toastStore.show() in confirmEnrollment"
+    - "CR-01/CR-02/CR-03 tests passing strictly (not xfail)"
+  affects:
+    - "frontend/src/components/settings/SettingsAccountTab.vue — inline toast removed"
+    - "frontend/src/components/auth/TotpEnrollment.vue — inline toast removed"
+    - "backend/tests/test_auth.py — xfail decorators removed from 3 tests"
+tech_stack:
+  added: []
+  patterns:
+    - "setup-store Pinia pattern: defineStore('toast', () => { ... return { show } })"
+    - "vi.mock('../../stores/toast.js', ...) pattern for isolating toast calls in component tests"
+key_files:
+  created:
+    - path: "frontend/src/stores/toast.js"
+      description: "Phase 7.1 stub — show(message, type='success', duration=4000) no-op; Phase 10 implements rendering"
+  modified:
+    - path: "frontend/src/components/settings/SettingsAccountTab.vue"
+      description: "Removed sessionRevokedToast ref + setTimeout + inline HTML; wired to toastStore.show()"
+    - path: "frontend/src/components/auth/TotpEnrollment.vue"
+      description: "Removed sessionRevokedToast ref + setTimeout + inline HTML; wired to toastStore.show()"
+    - path: "frontend/src/components/settings/__tests__/SettingsAccountTab.test.js"
+      description: "Replaced DOM text assertions with mockShow spy assertions"
+    - path: "frontend/src/components/auth/__tests__/TotpEnrollment.test.js"
+      description: "Replaced DOM text assertions with mockShow spy assertions"
+    - path: "backend/tests/test_auth.py"
+      description: "Removed @pytest.mark.xfail from 3 tests; all now PASSED"
+decisions:
+  - "toast.js uses positional parameters only per UI-SPEC.md — object-argument shape (show({message, type})) explicitly forbidden"
+  - "Frontend tests updated to mock useToastStore and assert on show() spy rather than DOM text — the stub is a no-op so DOM assertions would always fail"
+  - "The node_modules symlink created during testing was removed before commit — only the worktree src/ files are modified"
+metrics:
+  duration: "~6m"
+  completed: "2026-06-08"
+  tasks_completed: 3
+  tasks_total: 3
+  files_created: 1
+  files_modified: 5
+---
+
+# Phase 8 Plan 03: useToastStore Stub + CR Session-Revocation Wire-Up Summary
+
+**One-liner:** Pinia toast stub with locked show(message, type, duration) contract wired to session-revocation call sites in SettingsAccountTab + TotpEnrollment, with CR-01/CR-02/CR-03 backend tests promoted from xfail to strictly passing.
+
+## What Was Built
+
+### Task 1: useToastStore Pinia stub (commit e417b71)
+
+Created `frontend/src/stores/toast.js` as a setup-store Pinia stub:
+
+```js
+export const useToastStore = defineStore('toast', () => {
+  function show(message, type = 'success', duration = 4000) {
+    // No-op stub — Phase 10 implements rendering.
+  }
+  return { show }
+})
+```
+
+The signature matches UI-SPEC.md exactly. Phase 10 (UX-10) must implement rendering without modifying any call site.
+
+### Task 2: Component refactor (commit 3b8e2c1)
+
+Removed from both components:
+- `const sessionRevokedToast = ref(false)` declaration
+- Inline `<div v-if="sessionRevokedToast" ...>` toast HTML block
+- `setTimeout(() => { sessionRevokedToast.value = false }, 5000)` auto-dismiss pattern
+
+Added to both components:
+- `import { useToastStore } from '../../stores/toast.js'`
+- `const toastStore = useToastStore()`
+- `toastStore.show('Other sessions have been terminated.', 'success')` in each relevant handler
+
+Updated frontend tests to mock `useToastStore` via `vi.mock` and assert on the `show` spy instead of DOM text (the stub is a no-op, so DOM text assertions would always fail after migration).
+
+### Task 3: xfail promotion (commit 44ec28d)
+
+Removed `@pytest.mark.xfail(reason="Wave 0 stub — promoted to passing in 08-03", strict=False)` from all three tests:
+
+```
+tests/test_auth.py::test_change_password_revokes_other_sessions PASSED
+tests/test_auth.py::test_enable_totp_revokes_other_sessions PASSED
+tests/test_auth.py::test_disable_totp_revokes_other_sessions PASSED
+```
+
+## Final Test Output
+
+### Backend — three CR tests (pytest -v)
+
+```
+tests/test_auth.py::test_change_password_revokes_other_sessions PASSED   [ 33%]
+tests/test_auth.py::test_enable_totp_revokes_other_sessions PASSED       [ 66%]
+tests/test_auth.py::test_disable_totp_revokes_other_sessions PASSED      [100%]
+
+======================== 3 passed, 10 warnings in 2.51s ========================
+```
+
+All three show PASSED (not XPASS, not XFAIL, not SKIPPED).
+
+### Frontend — component tests
+
+```
+Test Files  15 passed (15 directly relevant)
+Tests  134 passed (component tests all pass)
+2 pre-existing failures in tests/api.spec.js (testAiConnection) — unrelated to this plan, pre-existed before Plan 08-03
+```
+
+## Components Not Touched
+
+No other components were modified. The only files changed are:
+- `frontend/src/stores/toast.js` (new)
+- `frontend/src/components/settings/SettingsAccountTab.vue`
+- `frontend/src/components/auth/TotpEnrollment.vue`
+- `frontend/src/components/settings/__tests__/SettingsAccountTab.test.js`
+- `frontend/src/components/auth/__tests__/TotpEnrollment.test.js`
+- `backend/tests/test_auth.py`
+
+## Forward Reference: Phase 10 Toast Contract (Locked)
+
+The `show(message, type, duration)` signature defined in `frontend/src/stores/toast.js` is now locked. Phase 10 (UX-10) must:
+
+1. Implement rendering in the same store without modifying the method signature
+2. NOT change any call site — the 3 call sites in SettingsAccountTab and TotpEnrollment must remain unchanged
+3. Honor `type='success'` for the sessions-revoked notification
+4. Apply the visual spec from UI-SPEC.md §"Sessions-Revoked Notification" (fixed `top-4 right-4 z-50`, `border-green-200`, `duration=4000`)
+
+## Deviations from Plan
+
+### Auto-fixed Issues
+
+**1. [Rule 1 - Bug] Frontend component tests assert on DOM text that becomes absent after toast migration**
+
+- **Found during:** Task 2 — identified before writing code
+- **Issue:** Existing `SettingsAccountTab.test.js` and `TotpEnrollment.test.js` tests used `expect(wrapper.text()).toContain('Other sessions have been terminated.')` — assertions relying on the inline DOM block that was removed by the migration. After migration, the toast store is a no-op, so the text never appears in the DOM.
+- **Fix:** Updated both test files to mock `useToastStore` via `vi.mock` and assert on the mock's `show` spy: `expect(mockShow).toHaveBeenCalledWith('Other sessions have been terminated.', 'success')`.
+- **Files modified:** `SettingsAccountTab.test.js`, `TotpEnrollment.test.js`
+- **Commits:** 3b8e2c1
+
+## Threat Surface Scan
+
+No new network endpoints, auth paths, file access patterns, or schema changes introduced. The toast store is an in-process Pinia store with no I/O.
+
+## Known Stubs
+
+The `useToastStore.show()` method is intentionally a stub in this phase. This is documented as a forward reference to Phase 10 (UX-10). The stub does not prevent the plan's goal (wiring the call contract) — it only defers rendering.
+
+## Self-Check: PASSED
+
+- [x] `frontend/src/stores/toast.js` exists
+- [x] `grep -c "export const useToastStore"` = 1
+- [x] `grep -c "defineStore('toast'"` = 1
+- [x] `grep -c "function show(message, type = 'success', duration = 4000)"` = 1
+- [x] `grep -c "sessionRevokedToast" frontend/src/` = 0 (clean)
+- [x] `grep -c "toastStore.show('Other sessions have been terminated.', 'success')" SettingsAccountTab.vue` = 2
+- [x] `grep -c "toastStore.show('Other sessions have been terminated.', 'success')" TotpEnrollment.vue` = 1
+- [x] Commit e417b71 exists (toast store)
+- [x] Commit 3b8e2c1 exists (component refactor)
+- [x] Commit 44ec28d exists (xfail promotion)
+- [x] Three backend tests show PASSED (not XPASS)
+- [x] No xfail decorators on the three promoted tests