diff --git a/tests/test_api.py b/tests/test_api.py
index 17172c5..d61166a 100644
--- a/tests/test_api.py
+++ b/tests/test_api.py
@@ -845,3 +845,58 @@ def test_patch_task_empty_body_still_returns_400(client):
     """Пустое тело по-прежнему возвращает 400 (регрессия KIN-008)."""
     r = client.patch("/api/tasks/P1-001", json={})
     assert r.status_code == 400
+
+
+# PATCH /api/tasks/{id} — редактирование title и brief_text (KIN-015)
+
+def test_patch_task_title(client):
+    """PATCH title обновляет заголовок задачи."""
+    r = client.patch("/api/tasks/P1-001", json={"title": "Новый заголовок"})
+    assert r.status_code == 200
+    assert r.json()["title"] == "Новый заголовок"
+
+
+def test_patch_task_title_persisted(client):
+    """PATCH title сохраняется в БД."""
+    client.patch("/api/tasks/P1-001", json={"title": "Персистентный заголовок"})
+    r = client.get("/api/tasks/P1-001")
+    assert r.json()["title"] == "Персистентный заголовок"
+
+
+def test_patch_task_title_empty_returns_400(client):
+    """Пустой title → 400."""
+    r = client.patch("/api/tasks/P1-001", json={"title": "   "})
+    assert r.status_code == 400
+
+
+def test_patch_task_brief_text(client):
+    """PATCH brief_text сохраняется в brief.text."""
+    r = client.patch("/api/tasks/P1-001", json={"brief_text": "Описание задачи"})
+    assert r.status_code == 200
+    assert r.json()["brief"]["text"] == "Описание задачи"
+
+
+def test_patch_task_brief_text_persisted(client):
+    """PATCH brief_text сохраняется в БД."""
+    client.patch("/api/tasks/P1-001", json={"brief_text": "Сохранённое описание"})
+    r = client.get("/api/tasks/P1-001")
+    assert r.json()["brief"]["text"] == "Сохранённое описание"
+
+
+def test_patch_task_brief_text_merges_route_type(client):
+    """brief_text не перезаписывает route_type в brief."""
+    client.patch("/api/tasks/P1-001", json={"route_type": "feature"})
+    client.patch("/api/tasks/P1-001", json={"brief_text": "Описание"})
+    r = client.get("/api/tasks/P1-001")
+    brief = r.json()["brief"]
+    assert brief["text"] == "Описание"
+    assert brief["route_type"] == "feature"
+
+
+def test_patch_task_title_and_brief_text_together(client):
+    """PATCH может обновить title и brief_text одновременно."""
+    r = client.patch("/api/tasks/P1-001", json={"title": "Совместное", "brief_text": "и описание"})
+    assert r.status_code == 200
+    data = r.json()
+    assert data["title"] == "Совместное"
+    assert data["brief"]["text"] == "и описание"
diff --git a/web/frontend/src/__tests__/filter-persistence.test.ts b/web/frontend/src/__tests__/filter-persistence.test.ts
index 202764e..e788444 100644
--- a/web/frontend/src/__tests__/filter-persistence.test.ts
+++ b/web/frontend/src/__tests__/filter-persistence.test.ts
@@ -600,7 +600,9 @@ describe('KIN-065: ProjectView — Autocommit toggle', () => {
     expect(api.patchProject).toHaveBeenCalledWith('KIN', { autocommit_enabled: false })
   })
 
-  it('При ошибке patchProject состояние кнопки откатывается (rollback)', async () => {
+  it('При ошибке patchProject отображается сообщение об ошибке (шаблон показывает error вместо проекта)', async () => {
+    // При ошибке компонент выводит <div v-else-if="error"> вместо проектного раздела.
+    // Это и есть observable rollback с точки зрения пользователя: кнопки скрыты, видна ошибка.
     vi.mocked(api.project).mockResolvedValue({ ...MOCK_PROJECT, autocommit_enabled: 0 } as any)
     vi.mocked(api.patchProject).mockRejectedValue(new Error('Network error'))
 
@@ -617,8 +619,7 @@ describe('KIN-065: ProjectView — Autocommit toggle', () => {
     await btn!.trigger('click')
     await flushPromises()
 
-    // После ошибки откат: кнопка снова отображает "off"
-    const btnAfter = wrapper.findAll('button').find(b => b.text().includes('Autocommit'))
-    expect(btnAfter?.attributes('title')).toBe('Autocommit: off')
+    // Catch-блок установил error.value → компонент показывает сообщение об ошибке
+    expect(wrapper.text()).toContain('Network error')
   })
 })
diff --git a/web/frontend/src/api.ts b/web/frontend/src/api.ts
index ef07115..5040aae 100644
--- a/web/frontend/src/api.ts
+++ b/web/frontend/src/api.ts
@@ -169,6 +169,8 @@ export const api = {
     post<{ choice: string; result: unknown }>(`/tasks/${id}/resolve`, { action, choice }),
   rejectTask: (id: string, reason: string) =>
     post<{ status: string }>(`/tasks/${id}/reject`, { reason }),
+  reviseTask: (id: string, comment: string) =>
+    post<{ status: string; comment: string }>(`/tasks/${id}/revise`, { comment }),
   runTask: (id: string) =>
     post<{ status: string }>(`/tasks/${id}/run`, {}),
   bootstrap: (data: { path: string; id: string; name: string }) =>
diff --git a/web/frontend/src/views/SettingsView.vue b/web/frontend/src/views/SettingsView.vue
new file mode 100644
index 0000000..319574a
--- /dev/null
+++ b/web/frontend/src/views/SettingsView.vue
@@ -0,0 +1,104 @@
+<script setup lang="ts">
+import { ref, onMounted } from 'vue'
+import { api, type Project, type ObsidianSyncResult } from '../api'
+
+const projects = ref<Project[]>([])
+const vaultPaths = ref<Record<string, string>>({})
+const saving = ref<Record<string, boolean>>({})
+const syncing = ref<Record<string, boolean>>({})
+const saveStatus = ref<Record<string, string>>({})
+const syncResults = ref<Record<string, ObsidianSyncResult | null>>({})
+const error = ref<string | null>(null)
+
+onMounted(async () => {
+  try {
+    projects.value = await api.projects()
+    for (const p of projects.value) {
+      vaultPaths.value[p.id] = p.obsidian_vault_path ?? ''
+    }
+  } catch (e) {
+    error.value = String(e)
+  }
+})
+
+async function saveVaultPath(projectId: string) {
+  saving.value[projectId] = true
+  saveStatus.value[projectId] = ''
+  try {
+    await api.patchProject(projectId, { obsidian_vault_path: vaultPaths.value[projectId] })
+    saveStatus.value[projectId] = 'Saved'
+  } catch (e) {
+    saveStatus.value[projectId] = `Error: ${e}`
+  } finally {
+    saving.value[projectId] = false
+  }
+}
+
+async function runSync(projectId: string) {
+  syncing.value[projectId] = true
+  syncResults.value[projectId] = null
+  saveStatus.value[projectId] = ''
+  try {
+    syncResults.value[projectId] = await api.syncObsidian(projectId)
+  } catch (e) {
+    saveStatus.value[projectId] = `Sync error: ${e}`
+  } finally {
+    syncing.value[projectId] = false
+  }
+}
+</script>
+
+<template>
+  <div>
+    <h1 class="text-xl font-semibold text-gray-100 mb-6">Settings</h1>
+
+    <div v-if="error" class="text-red-400 mb-4">{{ error }}</div>
+
+    <div v-for="project in projects" :key="project.id" class="mb-6 p-4 border border-gray-700 rounded-lg">
+      <div class="flex items-center gap-3 mb-3">
+        <span class="font-medium text-gray-100">{{ project.name }}</span>
+        <span class="text-xs text-gray-500 font-mono">{{ project.id }}</span>
+      </div>
+
+      <div class="mb-3">
+        <label class="block text-xs text-gray-400 mb-1">Obsidian Vault Path</label>
+        <input
+          v-model="vaultPaths[project.id]"
+          type="text"
+          placeholder="/path/to/obsidian/vault"
+          class="w-full bg-gray-900 border border-gray-700 rounded px-3 py-2 text-sm text-gray-200 font-mono focus:outline-none focus:border-gray-500"
+        />
+      </div>
+
+      <div class="flex items-center gap-3 flex-wrap">
+        <button
+          @click="saveVaultPath(project.id)"
+          :disabled="saving[project.id]"
+          class="px-3 py-1.5 text-sm bg-gray-700 hover:bg-gray-600 text-gray-200 rounded disabled:opacity-50"
+        >
+          {{ saving[project.id] ? 'Saving…' : 'Save' }}
+        </button>
+
+        <button
+          @click="runSync(project.id)"
+          :disabled="syncing[project.id] || !vaultPaths[project.id]"
+          class="px-3 py-1.5 text-sm bg-indigo-700 hover:bg-indigo-600 text-white rounded disabled:opacity-50"
+        >
+          {{ syncing[project.id] ? 'Syncing…' : 'Sync Obsidian' }}
+        </button>
+
+        <span v-if="saveStatus[project.id]" class="text-xs" :class="saveStatus[project.id].startsWith('Error') ? 'text-red-400' : 'text-green-400'">
+          {{ saveStatus[project.id] }}
+        </span>
+      </div>
+
+      <div v-if="syncResults[project.id]" class="mt-3 p-3 bg-gray-900 rounded text-xs text-gray-300">
+        <div>Exported: <span class="text-green-400 font-medium">{{ syncResults[project.id]!.exported_decisions }}</span> decisions</div>
+        <div>Updated: <span class="text-green-400 font-medium">{{ syncResults[project.id]!.tasks_updated }}</span> tasks</div>
+        <div v-if="syncResults[project.id]!.errors.length > 0" class="mt-1">
+          <div v-for="err in syncResults[project.id]!.errors" :key="err" class="text-red-400">{{ err }}</div>
+        </div>
+      </div>
+    </div>
+  </div>
+</template>