diff --git a/agents/inbox/2026-08-26-antigravity-release-gate-a30.md b/agents/inbox/2026-08-26-antigravity-release-gate-a30.md
new file mode 100644
index 0000000..67c836f
--- /dev/null
+++ b/agents/inbox/2026-08-26-antigravity-release-gate-a30.md
@@ -0,0 +1,43 @@
+# Задание Antigravity: полный release gate после A30
+
+## Цель
+
+Провести независимую проверку ветки `codex/workflow-canvas` после реализации A30. Проверять фактическое состояние репозитория и запускаемого приложения, а не описание работы.
+
+## Обязательный порядок
+
+1. Получить актуальные `origin/main` и `origin/codex/workflow-canvas`.
+2. Проверить `git status`, базовый и финальный SHA ветки.
+3. Запустить приложение из чистого checkout ветки A30.
+4. Выполнить полный `pytest`/release gate и сохранить полный вывод.
+5. Выполнить `ruff check .`.
+6. Проверить веб-контракт: `/`, `/api/snapshot`, `/api/events`, `/api/action`.
+7. Проверить A30 вручную в браузере: LIVE, EDIT, создание агента, назначение Provider → Account → Model, Agent File, редактор ребра, цикл и предел итераций.
+8. Отдельно проверить честность данных: отсутствие mock/demo чисел из макета, `Н/Д` с причиной, loading не смешан с отсутствием данных.
+9. Проверить persistence после перезапуска и реальные provider errors.
+10. Проверить, что desktop `router/ui/**` не изменён A30.
+
+## Правила отчёта
+
+- Не писать `PASS`, если полный release gate не запускался.
+- Не считать targeted tests заменой полного regression.
+- Для каждого failure привести команду, stdout/stderr, файл и минимальный способ воспроизведения.
+- Если блокер связан с окружением, повторить проверку в чистом окружении или явно указать, что именно не проверено.
+
+## Артефакты
+
+Передать:
+
+- `START_HEAD`, `FINAL_HEAD`, `origin/main`;
+- чистый `git status` или полный список загрязнений;
+- `X passed / Y skipped / Z failed`;
+- точный результат `scripts/release_gate.py`;
+- список найденных дефектов с приоритетом P0–P3;
+- скриншоты LIVE, EDIT, Inspector, Agent File и редактора ребра;
+- отдельный список пропущенных проверок.
+
+## Ограничения
+
+- Ничего не исправлять молча в чужой ветке: найденные дефекты оформить отдельным патчем/коммитом или вернуть владельцу.
+- Не удалять пользовательские изменения в установщике, бинарниках и заданиях inbox.
+- Не объявлять release-ready при известных блокерах.
diff --git a/docs/screenshots/a30/agent-file-editor.png b/docs/screenshots/a30/agent-file-editor.png
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index 0000000..3c6d244
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diff --git a/docs/screenshots/a30/edge-editor.png b/docs/screenshots/a30/edge-editor.png
new file mode 100644
index 0000000..ff7a881
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diff --git a/docs/screenshots/a30/overview-edit-inspector.png b/docs/screenshots/a30/overview-edit-inspector.png
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index 0000000..3b820f1
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diff --git a/docs/screenshots/a30/overview-live-provider-error.png b/docs/screenshots/a30/overview-live-provider-error.png
new file mode 100644
index 0000000..d6410c4
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diff --git a/docs/screenshots/a30/overview-live.png b/docs/screenshots/a30/overview-live.png
new file mode 100644
index 0000000..206011f
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diff --git a/docs/web-api/CONTRACT.md b/docs/web-api/CONTRACT.md
index 68579fc..542088b 100644
--- a/docs/web-api/CONTRACT.md
+++ b/docs/web-api/CONTRACT.md
@@ -90,6 +90,24 @@ readiness, agents, providers, routing, quotas, metrics, is_stale
 
 Имена действий берутся **ровно** из общего слоя `action_handler.py`:
 
+Действия Agent Manager и Workflow (A30):
+
+| Action | Назначение | Обязательные данные |
+|---|---|---|
+| `create_agent` | Создать логического агента, роль маршрутизатора и Agent File | `name`, `role`; опционально `profile_id`, `model`, настройки исполнения |
+| `update_agent` | Изменить свойства и назначение Provider → Account → Model | `agent_id`; назначение задаётся `provider`, `profile_id`, `model` |
+| `delete_agent` | Удалить агента; при ссылках сначала возвращает `confirmation_required` | `agent_id`; после подтверждения `force: true` |
+| `read_agent_file` | Прочитать реальный Markdown Agent File | `agent_id` |
+| `save_agent_file` | Атомарно сохранить Agent File для последующих запусков | `agent_id`, `content` |
+| `save_workflow` | Валидировать и сохранить узлы, рёбра, layout и предел итераций | `edges`, `agents`, `max_iterations` |
+| `start_workflow` | Запустить реальную задачу через RouterEngine | `task` |
+| `stop_workflow` | Запросить остановку текущего запуска | — |
+
+Состояние графа и LIVE-журнал приходят в поле `workflow` ответа
+`GET /api/snapshot`. `workflow.run.status=loading` означает загрузку;
+`unavailable_reason` означает отсутствие данных с явной причиной. Показатели
+workflow нельзя подменять фикстурой при недоступности API.
+
 ```
 account_details   add_account       agent_settings    apply_update
 assign_role       auto_assign_all   check_updates     delete_credentials
diff --git a/src/antigravity_provider/paths.py b/src/antigravity_provider/paths.py
index 124869f..5088675 100644
--- a/src/antigravity_provider/paths.py
+++ b/src/antigravity_provider/paths.py
@@ -85,6 +85,23 @@ def get_router_active_profile_path() -> Path:
     return get_config_dir() / "router_active_profile.json"
 
 
+def get_workflow_state_path() -> Path:
+    """Return the persisted agent/workflow state sidecar.
+
+    Logical roles and their execution routes remain canonical in
+    ``router_profiles.yaml``.  This file stores only the extra agent metadata,
+    graph layout and execution checkpoints which do not belong to routing.
+    """
+    return get_config_dir() / "workflow_state.json"
+
+
+def get_agent_files_dir() -> Path:
+    """Return the user-editable directory containing real Agent Files."""
+    directory = get_hermes_home() / "agents"
+    directory.mkdir(parents=True, exist_ok=True)
+    return directory
+
+
 def get_compatibility_path() -> Path:
     return get_config_dir() / "compatibility.json"
 
diff --git a/src/antigravity_provider/router/action_handler.py b/src/antigravity_provider/router/action_handler.py
index 1366dc8..d9f2aba 100644
--- a/src/antigravity_provider/router/action_handler.py
+++ b/src/antigravity_provider/router/action_handler.py
@@ -305,6 +305,23 @@ class ActionExecutor:
             except Exception:
                 pass
 
+        if action in {
+            'create_agent',
+            'update_agent',
+            'delete_agent',
+            'read_agent_file',
+            'save_agent_file',
+            'save_workflow',
+            'start_workflow',
+            'stop_workflow',
+        }:
+            try:
+                from antigravity_provider.router.workflow_service import execute_workflow_action
+
+                return execute_workflow_action(action, data)
+            except (ValueError, OSError) as exc:
+                return {'ok': False, 'message': str(exc)}
+
         # Device-flow для Grok и Codex через веб. Backend был готов давно, но
         # наружу не выведен: веб-мастер показывал заглушку «не реализовано», и
         # подключить эти провайдеры можно было только из десктопа. Настоящие
diff --git a/src/antigravity_provider/router/state_store.py b/src/antigravity_provider/router/state_store.py
index 2c3550f..2cb1ac4 100644
--- a/src/antigravity_provider/router/state_store.py
+++ b/src/antigravity_provider/router/state_store.py
@@ -55,6 +55,7 @@ class HubSnapshot:
     quotas: Dict[str, Any]
     metrics: Dict[str, Any] = field(default_factory=dict)
     is_stale: bool = False
+    workflow: Dict[str, Any] = field(default_factory=dict)
 
     def get_profile(self, profile_id: str) -> Optional[ProfileViewModel]:
         return self.all_profiles.get(profile_id)
@@ -107,6 +108,24 @@ class HubStateStore:
             if self._current_snapshot is not None:
                 if (time.time() - self._current_snapshot.timestamp > 300.0) and not self._current_snapshot.is_stale:
                     self._current_snapshot = replace(self._current_snapshot, is_stale=True)
+                # Provider/account scans are intentionally cached, while LIVE
+                # workflow checkpoints are small local state and must never lag
+                # behind an action until the next expensive provider refresh.
+                try:
+                    from .workflow_service import WorkflowService
+
+                    live_workflow = WorkflowService.get().snapshot()
+                    role_views = {agent.role_id: agent for agent in self._current_snapshot.agents}
+                    for workflow_agent in live_workflow.get("agents", []):
+                        role_view = role_views.get(workflow_agent.get("role"))
+                        generic_name = str(workflow_agent.get("role") or "").replace("-", " ").title()
+                        if role_view and workflow_agent.get("name") == generic_name:
+                            workflow_agent["name"] = role_view.role_name_ru
+                        if role_view and not workflow_agent.get("description"):
+                            workflow_agent["description"] = role_view.role_description_ru
+                    self._current_snapshot = replace(self._current_snapshot, workflow=live_workflow)
+                except Exception:
+                    pass
                 return self._current_snapshot
         return self.refresh(force_scan=False)
 
@@ -196,6 +215,27 @@ class HubStateStore:
                 "active_calls_total": active_leases_total,
                 "active_calls_by_profile": active_leases_by_profile,
             }
+            try:
+                from .workflow_service import WorkflowService
+
+                workflow_data = WorkflowService.get().snapshot()
+                role_views = {agent.role_id: agent for agent in agents}
+                for workflow_agent in workflow_data.get("agents", []):
+                    role_view = role_views.get(workflow_agent.get("role"))
+                    generic_name = str(workflow_agent.get("role") or "").replace("-", " ").title()
+                    if role_view and workflow_agent.get("name") == generic_name:
+                        workflow_agent["name"] = role_view.role_name_ru
+                    if role_view and not workflow_agent.get("description"):
+                        workflow_agent["description"] = role_view.role_description_ru
+            except Exception as exc:
+                workflow_data = {
+                    "agents": [],
+                    "definition": {},
+                    "run": {"status": "unavailable"},
+                    "events": [],
+                    "is_loading": False,
+                    "unavailable_reason": f"Workflow state unavailable: {exc}",
+                }
             snapshot = HubSnapshot(
                 generation=gen,
                 seq=request_seq,
@@ -209,6 +249,7 @@ class HubStateStore:
                 quotas=quotas_map,
                 metrics=metrics,
                 is_stale=False,
+                workflow=workflow_data,
             )
             self._current_snapshot = snapshot
 
@@ -263,6 +304,13 @@ class HubStateStore:
                 "active_calls_by_profile": {},
             },
             is_stale=True,
+            workflow={
+                "agents": [],
+                "definition": {},
+                "run": {"status": "loading"},
+                "events": [],
+                "is_loading": True,
+            },
         )
 
     def _apply_profile_delta(self, profile: ProfileViewModel) -> HubSnapshot:
diff --git a/src/antigravity_provider/router/web/static/app.js b/src/antigravity_provider/router/web/static/app.js
index e97bfd8..9b42033 100644
--- a/src/antigravity_provider/router/web/static/app.js
+++ b/src/antigravity_provider/router/web/static/app.js
@@ -519,7 +519,7 @@ function updateGlobalHeader() {
 
   const isHealthy = readiness.state === 'healthy';
   const readyRoles = readiness.roles_ready_count || 0;
-  const totalRoles = readiness.total_roles || 6;
+  const totalRoles = readiness.total_roles ?? 0;
 
   if (elements.headerReadinessBadge) {
     elements.headerReadinessBadge.className = `header-readiness-badge ${isHealthy ? 'text-healthy' : 'text-warning'}`;
@@ -527,7 +527,7 @@ function updateGlobalHeader() {
   if (elements.headerReadinessText) {
     elements.headerReadinessText.textContent = readiness.title_ru
       ? `${readiness.title_ru} (${readyRoles}/${totalRoles} ролей)`
-      : 'Система готова';
+      : 'Н/Д: состояние ещё не измерено';
   }
 
   const kpiReadiness = document.getElementById('kpi-system-readiness');
@@ -805,6 +805,10 @@ function renderQuotaCell(bucket, unavailableReason) {
 //  1. OVERVIEW VIEW (P0-3, P0-4 Diagram Model Select & Counters)
 // ═══════════════════════════════════════════════════════════════
 function renderOverviewView() {
+  if (typeof renderWorkflowOverview === 'function') {
+    renderWorkflowOverview(currentSnapshot);
+    return;
+  }
   if (!currentSnapshot) return;
 
   const providers = currentSnapshot.providers || [];
diff --git a/src/antigravity_provider/router/web/static/index.html b/src/antigravity_provider/router/web/static/index.html
index d9cf4a5..ec1aa73 100644
--- a/src/antigravity_provider/router/web/static/index.html
+++ b/src/antigravity_provider/router/web/static/index.html
@@ -5,6 +5,7 @@
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>Hermes Hub — Панель управления</title>
   <link rel="stylesheet" href="style.css">
+  <link rel="stylesheet" href="static/workflow.css">
   <link rel="icon" href="data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'><text y='.9em' font-size='90'>⚡</text></svg>">
 </head>
 <body>
@@ -92,52 +93,53 @@
       <div class="content-scroll">
         <!-- 1. OVERVIEW VIEW -->
         <section id="view-overview" class="view-pane active">
-          <div class="overview-grid">
-            <div class="kpi-card">
-              <div class="kpi-label">Состояние системы</div>
-              <div class="kpi-value text-healthy" id="kpi-system-readiness">—</div>
-              <div class="kpi-sub" id="kpi-readiness-summary">—</div>
+          <div class="workflow-toolbar">
+            <div class="workflow-mode" role="group" aria-label="Режим workflow">
+              <button class="workflow-mode-btn active" id="workflow-mode-live" data-mode="live">LIVE</button>
+              <button class="workflow-mode-btn" id="workflow-mode-edit" data-mode="edit">EDIT</button>
             </div>
-            <div class="kpi-card">
-              <div class="kpi-label">Подключено аккаунтов</div>
-              <div class="kpi-value text-accent" id="kpi-total-accounts">—</div>
-              <div class="kpi-sub" id="kpi-accounts-sub">—</div>
-            </div>
-            <div class="kpi-card">
-              <div class="kpi-label">Готовых ролей</div>
-              <div class="kpi-value text-healthy" id="kpi-ready-roles">—</div>
-              <div class="kpi-sub" id="kpi-roles-sub">—</div>
-            </div>
-            <div class="kpi-card">
-              <div class="kpi-label">Провайдеры ИИ</div>
-              <div class="kpi-value text-info" id="kpi-providers-count">—</div>
-              <div class="kpi-sub" id="kpi-providers-sub">5 поддерживаемых систем</div>
+            <div class="workflow-toolbar-actions">
+              <span class="workflow-save-state" id="workflow-save-state">Сохранено</span>
+              <button class="btn btn-secondary" id="btn-workflow-save">Сохранить workflow</button>
+              <button class="btn btn-primary" id="btn-agent-add">+ Добавить агента</button>
             </div>
           </div>
 
-          <div class="section-card">
-            <div class="section-card-header" style="display:flex; justify-content:space-between; align-items:center;">
-              <div>
-                <div class="section-card-title">Схема маршрутизации запросов</div>
-                <div class="section-card-subtitle">Распределение агентов и цепочки отказоустойчивости</div>
+          <div class="workflow-kpis" aria-label="Оперативные показатели">
+            <article class="workflow-kpi"><span>Активные задачи</span><strong id="workflow-kpi-active">Загрузка…</strong><small id="workflow-kpi-active-reason">Получение снапшота</small></article>
+            <article class="workflow-kpi"><span>Агенты онлайн</span><strong id="workflow-kpi-online">Загрузка…</strong><small id="workflow-kpi-online-reason">Получение снапшота</small></article>
+            <article class="workflow-kpi"><span>Среднее время ответа</span><strong id="workflow-kpi-latency">Загрузка…</strong><small id="workflow-kpi-latency-reason">Получение телеметрии</small></article>
+            <article class="workflow-kpi"><span>Использование токенов</span><strong id="workflow-kpi-tokens">Загрузка…</strong><small id="workflow-kpi-tokens-reason">Получение телеметрии</small></article>
+            <article class="workflow-kpi"><span>Успешность задач</span><strong id="workflow-kpi-success">Загрузка…</strong><small id="workflow-kpi-success-reason">Получение телеметрии</small></article>
+          </div>
+
+          <div class="workflow-main-layout">
+            <section class="workflow-board-card">
+              <header class="workflow-board-header">
+                <div><strong id="workflow-title">Workflow</strong> <span id="workflow-run-state" class="workflow-run-state">Загрузка…</span></div>
+                <label>Итерация: <strong id="workflow-iteration">Н/Д</strong> / <input id="workflow-max-iterations" type="number" min="1" max="100" value="5"></label>
+                <div class="workflow-zoom"><button id="workflow-zoom-out" title="Уменьшить">−</button><span id="workflow-zoom-value">100%</span><button id="workflow-zoom-in" title="Увеличить">+</button><button id="workflow-fit" title="Вписать граф">⛶</button></div>
+              </header>
+              <div class="workflow-canvas" id="workflow-canvas" tabindex="0" aria-label="Редактор графа workflow">
+                <svg id="workflow-edges" class="workflow-edges" aria-hidden="true"><defs><marker id="wf-arrow" markerWidth="8" markerHeight="8" refX="7" refY="4" orient="auto"><path d="M0,0 L8,4 L0,8 z"></path></marker></defs><g id="workflow-edge-layer"></g></svg>
+                <div id="workflow-node-layer" class="workflow-node-layer"></div>
+                <div id="workflow-empty" class="workflow-empty hidden"><strong>В workflow пока нет агентов</strong><span>Добавьте агента, затем переключитесь в EDIT и соедините узлы.</span></div>
+                <div class="workflow-minimap" id="workflow-minimap" aria-label="Мини-карта"></div>
               </div>
-              <button class="btn btn-secondary btn-sm" id="btn-auto-assign" title="Автоматическое распределение аккаунтов по ролям">
-                Авто-распределение
-              </button>
-            </div>
-            <div class="route-diagram-container" id="overview-route-diagram">
-              <!-- Rendered by app.js -->
-            </div>
+              <footer class="workflow-legend">
+                <span><i class="state-waiting"></i>Ожидает</span><span><i class="state-working"></i>Работает</span><span><i class="state-reviewing"></i>Проверяет</span><span><i class="state-error"></i>Ошибка</span><span><i class="state-completed"></i>Завершено</span>
+                <span class="edge-legend success">→ Успех</span><span class="edge-legend return">⇢ Возврат</span>
+              </footer>
+            </section>
+
+            <aside class="workflow-inspector" id="workflow-inspector">
+              <div class="workflow-inspector-empty"><strong>INSPECTOR</strong><span>Выберите агента на графе</span></div>
+            </aside>
           </div>
 
-          <div class="section-card">
-            <div class="section-card-header">
-              <div class="section-card-title">Провайдеры и доступность runtime</div>
-              <div class="section-card-subtitle">Статус локальных адаптеров и обнаруженные модели</div>
-            </div>
-            <div class="providers-grid" id="overview-providers-summary">
-              <!-- Rendered by app.js -->
-            </div>
+          <div class="workflow-bottom-grid">
+            <section class="workflow-events"><header><strong>Последние события</strong><button id="workflow-events-all">Журнал событий →</button></header><div id="workflow-events-list" class="workflow-events-list"><p>Загрузка событий…</p></div></section>
+            <section class="workflow-run-panel"><header><strong>Управление LIVE</strong></header><textarea id="workflow-task" placeholder="Опишите реальную задачу для workflow"></textarea><div><button class="btn btn-primary" id="btn-workflow-start">Запустить workflow</button><button class="btn btn-secondary" id="btn-workflow-stop">Остановить</button></div><p id="workflow-run-error" class="workflow-run-error"></p></section>
           </div>
         </section>
 
@@ -505,5 +507,6 @@
 
   <!-- Application Logic -->
   <script src="app.js"></script>
+  <script src="static/workflow.js"></script>
 </body>
 </html>
diff --git a/src/antigravity_provider/router/web/static/workflow.css b/src/antigravity_provider/router/web/static/workflow.css
new file mode 100644
index 0000000..7c00f01
--- /dev/null
+++ b/src/antigravity_provider/router/web/static/workflow.css
@@ -0,0 +1,89 @@
+/* A30 overview/workflow components. Theme colors come from the shared tokens. */
+#view-overview { padding: 0; min-width: 860px; }
+.workflow-toolbar { display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom:10px; }
+.workflow-mode { display:flex; padding:3px; border:1px solid var(--border-subtle); border-radius:var(--radius-md); background:var(--surface-muted); }
+.workflow-mode-btn { min-width:78px; border:0; border-radius:var(--radius-sm); padding:7px 16px; color:var(--text-muted); background:transparent; cursor:pointer; font-weight:700; }
+.workflow-mode-btn.active { color:var(--text-primary); background:var(--surface-active); box-shadow:inset 0 0 0 1px var(--border-accent); }
+.workflow-mode-btn:first-child.active { color:var(--status-healthy); }
+.workflow-toolbar-actions { display:flex; gap:8px; align-items:center; }
+.workflow-save-state { color:var(--text-muted); font-size:11px; }
+.workflow-save-state.dirty { color:var(--status-warning); }
+.workflow-kpis { display:grid; grid-template-columns:repeat(5,minmax(130px,1fr)); gap:8px; margin-bottom:10px; }
+.workflow-kpi { padding:11px 13px; min-height:78px; border:1px solid var(--border-subtle); border-radius:var(--radius-md); background:linear-gradient(145deg,var(--surface),var(--surface-muted)); }
+.workflow-kpi span,.workflow-kpi small { display:block; color:var(--text-muted); }
+.workflow-kpi strong { display:block; margin:4px 0 2px; font-size:20px; font-weight:650; color:var(--text-primary); }
+.workflow-kpi small { font-size:10px; line-height:1.25; }
+.workflow-main-layout { display:grid; grid-template-columns:minmax(580px,1fr) 330px; gap:10px; min-height:520px; }
+.workflow-board-card,.workflow-inspector,.workflow-events,.workflow-run-panel { border:1px solid var(--border-subtle); border-radius:var(--radius-md); background:var(--surface); overflow:hidden; }
+.workflow-board-header { min-height:45px; padding:8px 12px; display:flex; gap:18px; align-items:center; justify-content:space-between; border-bottom:1px solid var(--border-subtle); color:var(--text-secondary); }
+.workflow-board-header strong { color:var(--text-accent); text-transform:uppercase; }
+.workflow-board-header label { margin-left:auto; font-size:11px; color:var(--text-muted); }
+.workflow-board-header input { width:42px; padding:3px; color:var(--text-primary); background:var(--surface-muted); border:1px solid var(--border); border-radius:3px; }
+.workflow-run-state { margin-left:8px; font-size:11px; color:var(--text-muted); }
+.workflow-run-state.running { color:var(--status-healthy); }
+.workflow-run-state.failed,.workflow-run-state.interrupted { color:var(--status-error); }
+.workflow-zoom { display:flex; align-items:center; border:1px solid var(--border-subtle); border-radius:var(--radius-sm); }
+.workflow-zoom button { width:28px; height:27px; border:0; border-left:1px solid var(--border-subtle); color:var(--text-accent); background:transparent; cursor:pointer; }
+.workflow-zoom span { min-width:44px; text-align:center; font-size:11px; }
+.workflow-canvas { position:relative; height:430px; overflow:hidden; background-color:var(--bg-base); background-image:radial-gradient(var(--border-subtle) 1px,transparent 1px); background-size:18px 18px; }
+.workflow-edges,.workflow-node-layer { position:absolute; inset:0; width:100%; height:100%; transform-origin:0 0; }
+.workflow-edges { overflow:visible; pointer-events:none; }
+.workflow-edges path { fill:none; stroke:var(--accent); stroke-width:1.6; marker-end:url(#wf-arrow); }
+.workflow-edges path.success,.workflow-edges path.review_passed { stroke:var(--status-healthy); }
+.workflow-edges path.review_failed,.workflow-edges path.error { stroke:var(--status-error); stroke-dasharray:7 5; }
+.workflow-edge-label { fill:var(--text-muted); font:9px var(--font-ui); text-transform:uppercase; }
+.workflow-edge-hit { fill:none; stroke:transparent; stroke-width:14; pointer-events:stroke; cursor:pointer; }
+.workflow-node { position:absolute; width:190px; min-height:92px; padding:11px 12px; border:1px solid var(--border-accent); border-radius:9px; background:linear-gradient(145deg,var(--surface),var(--surface-muted)); box-shadow:0 8px 22px rgba(0,0,0,.18); cursor:pointer; user-select:none; }
+.workflow-node.selected { outline:2px solid var(--accent); box-shadow:0 0 18px var(--accent-dim); }
+.workflow-node.working { border-color:var(--status-healthy); box-shadow:0 0 20px rgba(114,201,67,.24); }
+.workflow-node.error { border-color:var(--status-error); }
+.workflow-node.completed { border-color:var(--status-disabled); }
+.workflow-node h3 { margin:0 0 2px; font-size:13px; font-weight:650; color:var(--text-primary); }
+.workflow-node p { overflow:hidden; margin:1px 0; color:var(--text-muted); font-size:10px; white-space:nowrap; text-overflow:ellipsis; }
+.workflow-node-status { display:flex; align-items:center; gap:5px; margin-top:6px; font-size:10px; color:var(--text-secondary); }
+.workflow-node-status i,.workflow-legend i { width:7px; height:7px; border-radius:50%; background:var(--status-info); }
+.workflow-node.working .workflow-node-status i,.state-working { background:var(--status-healthy)!important; }
+.workflow-node.reviewing .workflow-node-status i,.state-reviewing { background:var(--status-warning)!important; }
+.workflow-node.error .workflow-node-status i,.state-error { background:var(--status-error)!important; }
+.workflow-node.completed .workflow-node-status i,.state-completed { background:var(--status-disabled)!important; }
+.workflow-port { display:none; position:absolute; top:37px; width:13px; height:22px; border:1px solid var(--accent); border-radius:8px; background:var(--surface-active); }
+.workflow-mode-edit .workflow-port { display:block; }
+.workflow-port.in { left:-8px; }
+.workflow-port.out { right:-8px; cursor:crosshair; }
+.workflow-legend { min-height:39px; padding:8px 12px; display:flex; align-items:center; gap:14px; flex-wrap:wrap; border-top:1px solid var(--border-subtle); color:var(--text-muted); font-size:10px; }
+.workflow-legend span { display:flex; align-items:center; gap:5px; }
+.edge-legend.success { color:var(--status-healthy); }.edge-legend.return { color:var(--status-error); }
+.workflow-minimap { position:absolute; left:10px; bottom:10px; width:110px; height:68px; border:1px solid var(--border); background:rgba(6,25,22,.82); pointer-events:none; }
+.workflow-minimap i { position:absolute; width:16px; height:9px; border:1px solid var(--accent); background:var(--surface-muted); }
+.workflow-empty { position:absolute; inset:0; display:flex; flex-direction:column; justify-content:center; align-items:center; gap:6px; color:var(--text-muted); }
+.workflow-inspector { min-width:0; padding:12px; overflow:auto; max-height:520px; }
+.workflow-inspector-empty { height:100%; display:flex; flex-direction:column; justify-content:center; align-items:center; gap:8px; color:var(--text-muted); }
+.workflow-inspector h2 { margin:0; color:var(--text-accent); font:600 15px var(--font-title); }
+.inspector-tabs { display:flex; gap:2px; margin:10px 0; border-bottom:1px solid var(--border-subtle); overflow-x:auto; }
+.inspector-tabs button { padding:7px 6px; border:0; border-bottom:2px solid transparent; color:var(--text-muted); background:transparent; font-size:10px; cursor:pointer; }
+.inspector-tabs button.active { color:var(--text-accent); border-color:var(--accent); }
+.inspector-field { display:block; margin:9px 0; color:var(--text-muted); font-size:10px; }
+.inspector-field input,.inspector-field select,.inspector-field textarea,.workflow-run-panel textarea,.workflow-dialog input,.workflow-dialog select,.workflow-dialog textarea { width:100%; margin-top:4px; padding:7px 8px; color:var(--text-primary); border:1px solid var(--border); border-radius:var(--radius-sm); background:var(--surface-muted); font:12px var(--font-ui); }
+.inspector-field textarea { min-height:58px; resize:vertical; }
+.inspector-value { padding:7px 0; color:var(--text-secondary); font-size:11px; overflow-wrap:anywhere; }
+.inspector-actions { display:flex; gap:7px; flex-wrap:wrap; margin-top:12px; }
+.agent-file-card { margin-top:12px; padding:10px; border:1px solid var(--border-subtle); border-radius:var(--radius-sm); }
+.agent-file-card code { display:block; margin:4px 0 8px; color:var(--text-secondary); overflow-wrap:anywhere; }
+.workflow-bottom-grid { display:grid; grid-template-columns:1.4fr 1fr; gap:10px; margin-top:10px; }
+.workflow-events,.workflow-run-panel { min-height:145px; padding:11px; }
+.workflow-events header,.workflow-run-panel header { display:flex; justify-content:space-between; margin-bottom:8px; color:var(--text-secondary); }
+.workflow-events header button { border:0; color:var(--text-accent); background:none; cursor:pointer; }
+.workflow-events-list { max-height:110px; overflow:auto; }
+.workflow-event { display:grid; grid-template-columns:72px 1fr auto; gap:8px; padding:5px 0; border-bottom:1px solid var(--border-subtle); color:var(--text-secondary); font-size:10px; }
+.workflow-event time,.workflow-event em { color:var(--text-muted); font-style:normal; }
+.workflow-event.error { color:var(--status-error); }
+.workflow-run-panel textarea { min-height:68px; resize:vertical; }
+.workflow-run-panel>div { display:flex; gap:8px; margin-top:8px; }
+.workflow-run-error { margin-top:6px; color:var(--status-error); font-size:10px; }
+.workflow-dialog-backdrop { position:fixed; inset:0; z-index:1200; display:flex; justify-content:center; align-items:center; padding:24px; background:var(--bg-modal-backdrop); }
+.workflow-dialog { width:min(580px,100%); max-height:88vh; overflow:auto; padding:18px; border:1px solid var(--border-accent); border-radius:var(--radius-lg); background:var(--surface); box-shadow:0 24px 70px rgba(0,0,0,.45); }
+.workflow-dialog h2 { margin-bottom:12px; color:var(--text-accent); }
+.workflow-dialog textarea.agent-file-editor { min-height:380px; font-family:var(--font-mono); }
+.workflow-dialog-actions { display:flex; justify-content:flex-end; gap:8px; margin-top:14px; }
+.hidden { display:none!important; }
+@media (max-width:1200px) { .workflow-kpis { grid-template-columns:repeat(3,1fr); }.workflow-main-layout { grid-template-columns:minmax(560px,1fr) 290px; } }
diff --git a/src/antigravity_provider/router/web/static/workflow.js b/src/antigravity_provider/router/web/static/workflow.js
new file mode 100644
index 0000000..334141a
--- /dev/null
+++ b/src/antigravity_provider/router/web/static/workflow.js
@@ -0,0 +1,497 @@
+/* Hermes Hub A30 workflow canvas — vanilla JS, no build step. */
+'use strict';
+
+const workflowUi = {
+  initialized: false,
+  mode: 'live',
+  selectedAgentId: null,
+  selectedTab: 'main',
+  scale: 1,
+  dirty: false,
+  draftEdges: [],
+  draftPositions: {},
+  connectingFrom: null,
+  drag: null,
+};
+
+function wfEscape(value) {
+  return String(value ?? '').replace(/[&<>'"]/g, (char) => ({
+    '&': '&amp;', '<': '&lt;', '>': '&gt;', "'": '&#39;', '"': '&quot;',
+  })[char]);
+}
+
+function wfValue(value, suffix = '') {
+  return value === null || value === undefined ? null : `${value}${suffix}`;
+}
+
+function wfUnavailable(elementId, reason) {
+  const value = document.getElementById(elementId);
+  const detail = document.getElementById(`${elementId}-reason`);
+  if (value) value.textContent = 'Н/Д';
+  if (detail) detail.textContent = `Н/Д: ${reason}`;
+}
+
+function initWorkflowOverview() {
+  if (workflowUi.initialized) return;
+  workflowUi.initialized = true;
+  document.getElementById('workflow-mode-live')?.addEventListener('click', () => setWorkflowMode('live'));
+  document.getElementById('workflow-mode-edit')?.addEventListener('click', () => setWorkflowMode('edit'));
+  document.getElementById('btn-workflow-save')?.addEventListener('click', saveWorkflowDraft);
+  document.getElementById('btn-agent-add')?.addEventListener('click', openAgentCreateDialog);
+  document.getElementById('btn-workflow-start')?.addEventListener('click', startWorkflowRun);
+  document.getElementById('btn-workflow-stop')?.addEventListener('click', () => executeAction('stop_workflow', {}));
+  document.getElementById('workflow-events-all')?.addEventListener('click', () => switchView('logs'));
+  document.getElementById('workflow-max-iterations')?.addEventListener('change', markWorkflowDirty);
+  document.getElementById('workflow-zoom-in')?.addEventListener('click', () => setWorkflowScale(workflowUi.scale + 0.1));
+  document.getElementById('workflow-zoom-out')?.addEventListener('click', () => setWorkflowScale(workflowUi.scale - 0.1));
+  document.getElementById('workflow-fit')?.addEventListener('click', fitWorkflowGraph);
+  const canvas = document.getElementById('workflow-canvas');
+  canvas?.addEventListener('mousemove', workflowPointerMove);
+  canvas?.addEventListener('mouseup', workflowPointerUp);
+  canvas?.addEventListener('mouseleave', workflowPointerCancel);
+  window.addEventListener('resize', drawWorkflowEdges);
+}
+
+function renderWorkflowOverview(snapshot) {
+  initWorkflowOverview();
+  const workflow = snapshot?.workflow;
+  if (!workflow) {
+    renderWorkflowLoading('Backend не вернул поле workflow');
+    return;
+  }
+  if (workflow.is_loading) {
+    renderWorkflowLoading('Workflow загружается');
+    return;
+  }
+  if (workflow.unavailable_reason) {
+    renderWorkflowLoading(workflow.unavailable_reason);
+    return;
+  }
+  if (!workflowUi.dirty && !workflowUi.drag && !workflowUi.connectingFrom) {
+    workflowUi.draftEdges = (workflow.definition?.edges || []).map((edge) => ({ ...edge }));
+    workflowUi.draftPositions = Object.fromEntries((workflow.agents || []).map((agent) => [
+      agent.id, { ...(agent.position || { x: 80, y: 80 }) },
+    ]));
+  }
+  renderWorkflowKpis(snapshot);
+  renderWorkflowHeader(workflow);
+  renderWorkflowNodes(workflow);
+  renderWorkflowInspector(snapshot, workflow);
+  renderWorkflowEvents(workflow.events || []);
+  requestAnimationFrame(drawWorkflowEdges);
+}
+
+function renderWorkflowLoading(reason) {
+  ['workflow-kpi-active', 'workflow-kpi-online', 'workflow-kpi-latency', 'workflow-kpi-tokens', 'workflow-kpi-success']
+    .forEach((id) => wfUnavailable(id, reason));
+  const empty = document.getElementById('workflow-empty');
+  if (empty) {
+    empty.classList.remove('hidden');
+    empty.innerHTML = `<strong>Workflow недоступен</strong><span>${wfEscape(reason)}</span>`;
+  }
+}
+
+function renderWorkflowKpis(snapshot) {
+  const metrics = snapshot.metrics || {};
+  const telemetry = metrics.telemetry || {};
+  const global = telemetry.global || {};
+  const workflow = snapshot.workflow || {};
+  const run = workflow.run || {};
+  const active = run.status === 'running' ? 1 : 0;
+  setWorkflowKpi('workflow-kpi-active', String(active), 'Источник: workflow.run.status');
+
+  const readiness = snapshot.readiness || {};
+  if (readiness.roles_ready_count === null || readiness.roles_ready_count === undefined || readiness.total_roles === undefined) {
+    wfUnavailable('workflow-kpi-online', 'readiness не содержит число готовых ролей');
+  } else {
+    setWorkflowKpi('workflow-kpi-online', `${readiness.roles_ready_count} / ${readiness.total_roles}`, 'Источник: readiness');
+  }
+  if (!global.total_calls) {
+    wfUnavailable('workflow-kpi-latency', 'за 24 часа нет измеренных вызовов');
+    wfUnavailable('workflow-kpi-success', 'за 24 часа нет завершённых вызовов');
+  } else {
+    const latency = wfValue(global.latency_p50_ms, ' мс');
+    latency ? setWorkflowKpi('workflow-kpi-latency', latency, 'Медиана p50, telemetry') : wfUnavailable('workflow-kpi-latency', 'провайдер не вернул задержку');
+    const success = global.successful_calls / global.total_calls * 100;
+    setWorkflowKpi('workflow-kpi-success', `${success.toFixed(1)}%`, `${global.successful_calls} из ${global.total_calls}, telemetry`);
+  }
+  if (global.total_tokens === null || global.total_tokens === undefined) {
+    wfUnavailable('workflow-kpi-tokens', 'провайдеры не вернули usage');
+  } else {
+    setWorkflowKpi('workflow-kpi-tokens', new Intl.NumberFormat('ru-RU').format(global.total_tokens), 'Источник: telemetry usage, 24 ч');
+  }
+}
+
+function setWorkflowKpi(id, value, reason) {
+  const node = document.getElementById(id);
+  const detail = document.getElementById(`${id}-reason`);
+  if (node) node.textContent = value;
+  if (detail) detail.textContent = reason;
+}
+
+function renderWorkflowHeader(workflow) {
+  const definition = workflow.definition || {};
+  const run = workflow.run || {};
+  document.getElementById('workflow-title').textContent = definition.name || 'Workflow без названия';
+  const state = document.getElementById('workflow-run-state');
+  state.textContent = workflowRunLabel(run.status);
+  state.className = `workflow-run-state ${wfEscape(run.status || 'idle')}`;
+  document.getElementById('workflow-iteration').textContent = run.iteration || 'Н/Д';
+  if (!workflowUi.dirty) document.getElementById('workflow-max-iterations').value = definition.max_iterations || 1;
+  document.getElementById('workflow-run-error').textContent = run.error || '';
+  document.getElementById('btn-workflow-start').disabled = run.status === 'running' || run.status === 'stopping';
+  document.getElementById('btn-workflow-stop').disabled = run.status !== 'running';
+}
+
+function workflowRunLabel(status) {
+  return ({ idle: 'Нет активного запуска', running: '● Запущен', stopping: 'Останавливается', completed: 'Завершён', failed: 'Ошибка', stopped: 'Остановлен', interrupted: 'Прерван перезапуском' })[status] || `Н/Д: неизвестный статус ${status || 'не указан'}`;
+}
+
+function renderWorkflowNodes(workflow) {
+  const layer = document.getElementById('workflow-node-layer');
+  const canvas = document.getElementById('workflow-canvas');
+  const agents = workflow.agents || [];
+  canvas.classList.toggle('workflow-mode-edit', workflowUi.mode === 'edit');
+  document.getElementById('workflow-empty').classList.toggle('hidden', agents.length > 0);
+  layer.innerHTML = agents.map((agent) => {
+    const pos = workflowUi.draftPositions[agent.id] || agent.position || { x: 80, y: 80 };
+    const cfg = agent.execution_config || {};
+    const assignment = cfg.unavailable_reason
+      ? `Н/Д: ${cfg.unavailable_reason}`
+      : [cfg.provider, cfg.model, cfg.account].filter(Boolean).join(' · ');
+    return `<article class="workflow-node ${wfEscape(agent.runtime_state)} ${workflowUi.selectedAgentId === agent.id ? 'selected' : ''}" data-agent-id="${wfEscape(agent.id)}" style="left:${Number(pos.x) || 0}px;top:${Number(pos.y) || 0}px">
+      <button class="workflow-port in" aria-label="Вход"></button><button class="workflow-port out" aria-label="Создать связь"></button>
+      <h3>${wfEscape(agent.name)}</h3><p>${wfEscape(agent.role)}</p><p>${wfEscape(agent.agent_file)}</p><p title="${wfEscape(assignment)}">${wfEscape(assignment)}</p>
+      <div class="workflow-node-status"><i></i><span>${wfEscape(runtimeStateLabel(agent.runtime_state))}</span></div>
+    </article>`;
+  }).join('');
+  layer.style.transform = `scale(${workflowUi.scale})`;
+  layer.querySelectorAll('.workflow-node').forEach((node) => {
+    node.addEventListener('click', () => selectWorkflowAgent(node.dataset.agentId));
+    node.addEventListener('mousedown', beginNodeDrag);
+    node.querySelector('.workflow-port.out')?.addEventListener('mousedown', beginConnection);
+    node.querySelector('.workflow-port.in')?.addEventListener('mouseup', finishConnection);
+  });
+  renderWorkflowMinimap(agents);
+}
+
+function runtimeStateLabel(state) {
+  return ({ waiting: 'Ожидает', working: 'Работает', reviewing: 'Проверяет', error: 'Ошибка', completed: 'Завершено', not_implemented: 'Исполнение не реализовано' })[state] || `Н/Д: ${state || 'статус не получен'}`;
+}
+
+function setWorkflowMode(mode) {
+  if (mode === 'edit' && currentSnapshot?.workflow?.run?.status === 'running') {
+    showToast('EDIT недоступен во время LIVE-выполнения', 'warning');
+    return;
+  }
+  workflowUi.mode = mode;
+  document.querySelectorAll('.workflow-mode-btn').forEach((button) => button.classList.toggle('active', button.dataset.mode === mode));
+  renderWorkflowOverview(currentSnapshot);
+}
+
+function selectWorkflowAgent(agentId) {
+  if (workflowUi.drag?.moved) return;
+  workflowUi.selectedAgentId = agentId;
+  renderWorkflowOverview(currentSnapshot);
+}
+
+function beginNodeDrag(event) {
+  if (workflowUi.mode !== 'edit' || event.target.classList.contains('workflow-port')) return;
+  const node = event.currentTarget;
+  const position = workflowUi.draftPositions[node.dataset.agentId] || { x: node.offsetLeft, y: node.offsetTop };
+  workflowUi.drag = { id: node.dataset.agentId, startX: event.clientX, startY: event.clientY, original: { ...position }, moved: false };
+  event.preventDefault();
+}
+
+function workflowPointerMove(event) {
+  if (workflowUi.drag) {
+    const drag = workflowUi.drag;
+    const dx = (event.clientX - drag.startX) / workflowUi.scale;
+    const dy = (event.clientY - drag.startY) / workflowUi.scale;
+    if (Math.abs(dx) + Math.abs(dy) > 3) drag.moved = true;
+    workflowUi.draftPositions[drag.id] = { x: Math.max(0, drag.original.x + dx), y: Math.max(0, drag.original.y + dy) };
+    const node = document.querySelector(`.workflow-node[data-agent-id="${CSS.escape(drag.id)}"]`);
+    if (node) {
+      node.style.left = `${workflowUi.draftPositions[drag.id].x}px`;
+      node.style.top = `${workflowUi.draftPositions[drag.id].y}px`;
+    }
+    drawWorkflowEdges();
+  }
+}
+
+function workflowPointerUp(event) {
+  if (workflowUi.drag) {
+    if (workflowUi.drag.moved) markWorkflowDirty();
+    workflowUi.drag = null;
+  }
+  if (workflowUi.connectingFrom && event.target === document.getElementById('workflow-canvas')) {
+    workflowUi.connectingFrom = null;
+    showToast('Создание связи отменено', 'info');
+  }
+}
+
+function workflowPointerCancel() {
+  if (workflowUi.drag) {
+    workflowUi.draftPositions[workflowUi.drag.id] = workflowUi.drag.original;
+    workflowUi.drag = null;
+    renderWorkflowOverview(currentSnapshot);
+  }
+  workflowUi.connectingFrom = null;
+}
+
+function beginConnection(event) {
+  if (workflowUi.mode !== 'edit') return;
+  workflowUi.connectingFrom = event.currentTarget.closest('.workflow-node').dataset.agentId;
+  event.stopPropagation();
+  event.preventDefault();
+  showToast('Выберите входной порт целевого агента', 'info');
+}
+
+function finishConnection(event) {
+  const target = event.currentTarget.closest('.workflow-node').dataset.agentId;
+  const source = workflowUi.connectingFrom;
+  workflowUi.connectingFrom = null;
+  event.stopPropagation();
+  if (!source || source === target) return;
+  openEdgeDialog({ id: `edge-${Date.now()}`, source, target, condition: 'SUCCESS', label: '' }, true);
+}
+
+function drawWorkflowEdges() {
+  const canvas = document.getElementById('workflow-canvas');
+  const svg = document.getElementById('workflow-edges');
+  const layer = document.getElementById('workflow-edge-layer');
+  if (!canvas || !svg || !layer) return;
+  svg.setAttribute('viewBox', `0 0 ${canvas.clientWidth} ${canvas.clientHeight}`);
+  const parts = [];
+  workflowUi.draftEdges.forEach((edge) => {
+    const source = document.querySelector(`.workflow-node[data-agent-id="${CSS.escape(edge.source)}"]`);
+    const target = document.querySelector(`.workflow-node[data-agent-id="${CSS.escape(edge.target)}"]`);
+    if (!source || !target) return;
+    const x1 = (source.offsetLeft + source.offsetWidth) * workflowUi.scale;
+    const y1 = (source.offsetTop + source.offsetHeight / 2) * workflowUi.scale;
+    const x2 = target.offsetLeft * workflowUi.scale;
+    const y2 = (target.offsetTop + target.offsetHeight / 2) * workflowUi.scale;
+    const bend = Math.max(45, Math.abs(x2 - x1) * .42);
+    const path = `M ${x1} ${y1} C ${x1 + bend} ${y1}, ${x2 - bend} ${y2}, ${x2} ${y2}`;
+    const klass = String(edge.condition || '').toLowerCase();
+    const labelX = (x1 + x2) / 2;
+    const labelY = (y1 + y2) / 2 - 5;
+    parts.push(`<path class="${wfEscape(klass)}" d="${path}"></path><path class="workflow-edge-hit" data-edge-id="${wfEscape(edge.id)}" d="${path}"></path><text class="workflow-edge-label" x="${labelX}" y="${labelY}">${wfEscape(edge.label || edge.condition)}</text>`);
+  });
+  layer.innerHTML = parts.join('');
+  layer.querySelectorAll('.workflow-edge-hit').forEach((path) => path.addEventListener('click', () => {
+    const edge = workflowUi.draftEdges.find((item) => item.id === path.dataset.edgeId);
+    if (workflowUi.mode === 'edit' && edge) openEdgeDialog(edge, false);
+  }));
+}
+
+function renderWorkflowMinimap(agents) {
+  const minimap = document.getElementById('workflow-minimap');
+  if (!minimap) return;
+  const maxX = Math.max(900, ...agents.map((agent) => (workflowUi.draftPositions[agent.id]?.x || 0) + 200));
+  const maxY = Math.max(500, ...agents.map((agent) => (workflowUi.draftPositions[agent.id]?.y || 0) + 100));
+  minimap.innerHTML = agents.map((agent) => {
+    const pos = workflowUi.draftPositions[agent.id] || { x: 0, y: 0 };
+    return `<i style="left:${pos.x / maxX * 92}px;top:${pos.y / maxY * 55}px"></i>`;
+  }).join('');
+}
+
+function setWorkflowScale(value) {
+  workflowUi.scale = Math.max(.5, Math.min(1.6, Math.round(value * 10) / 10));
+  document.getElementById('workflow-zoom-value').textContent = `${Math.round(workflowUi.scale * 100)}%`;
+  renderWorkflowOverview(currentSnapshot);
+}
+
+function fitWorkflowGraph() {
+  const agents = currentSnapshot?.workflow?.agents || [];
+  const maxX = Math.max(...agents.map((agent) => (workflowUi.draftPositions[agent.id]?.x || 0) + 210), 600);
+  const maxY = Math.max(...agents.map((agent) => (workflowUi.draftPositions[agent.id]?.y || 0) + 110), 400);
+  const canvas = document.getElementById('workflow-canvas');
+  setWorkflowScale(Math.min(canvas.clientWidth / maxX, canvas.clientHeight / maxY, 1));
+}
+
+function markWorkflowDirty() {
+  workflowUi.dirty = true;
+  const state = document.getElementById('workflow-save-state');
+  state.textContent = 'Есть несохранённые изменения';
+  state.classList.add('dirty');
+}
+
+async function saveWorkflowDraft() {
+  const definition = currentSnapshot?.workflow?.definition || {};
+  const result = await executeAction('save_workflow', {
+    id: definition.id,
+    name: definition.name,
+    start_agent_id: definition.start_agent_id,
+    escalation_agent_id: definition.escalation_agent_id,
+    max_iterations: Number(document.getElementById('workflow-max-iterations').value),
+    edges: workflowUi.draftEdges,
+    agents: Object.entries(workflowUi.draftPositions).map(([id, position]) => ({ id, position })),
+  });
+  if (result.ok) {
+    workflowUi.dirty = false;
+    const state = document.getElementById('workflow-save-state');
+    state.textContent = 'Сохранено';
+    state.classList.remove('dirty');
+  }
+}
+
+function renderWorkflowInspector(snapshot, workflow) {
+  const box = document.getElementById('workflow-inspector');
+  const agent = (workflow.agents || []).find((item) => item.id === workflowUi.selectedAgentId);
+  if (!agent) {
+    box.innerHTML = '<div class="workflow-inspector-empty"><strong>INSPECTOR</strong><span>Выберите агента на графе</span></div>';
+    return;
+  }
+  const cfg = agent.execution_config || {};
+  const tabs = [['main', 'Основное'], ['model', 'Модель'], ['instructions', 'Инструкции'], ['tools', 'Инструменты'], ['memory', 'Память'], ['history', 'История']];
+  box.innerHTML = `<h2>INSPECTOR: ${wfEscape(agent.name)}</h2><div class="inspector-tabs">${tabs.map(([id, label]) => `<button data-tab="${id}" class="${workflowUi.selectedTab === id ? 'active' : ''}">${label}</button>`).join('')}</div><div id="inspector-tab-content"></div>`;
+  box.querySelectorAll('.inspector-tabs button').forEach((button) => button.addEventListener('click', () => {
+    workflowUi.selectedTab = button.dataset.tab;
+    renderWorkflowInspector(snapshot, workflow);
+  }));
+  const content = document.getElementById('inspector-tab-content');
+  if (workflowUi.selectedTab === 'main') {
+    content.innerHTML = `<label class="inspector-field">Название<input id="agent-edit-name" value="${wfEscape(agent.name)}"></label><label class="inspector-field">Роль<div class="inspector-value">${wfEscape(agent.role)}</div></label><label class="inspector-field">Описание<textarea id="agent-edit-description">${wfEscape(agent.description)}</textarea></label><label class="inspector-field">Runtime status<div class="inspector-value">${wfEscape(runtimeStateLabel(agent.runtime_state))}</div></label><label class="inspector-field">Текущая задача<div class="inspector-value">${wfEscape(workflow.run?.current_agent_id === agent.id ? workflow.run.current_task : 'Н/Д: агент сейчас не выполняется')}</div></label><div class="inspector-actions"><button class="btn btn-primary btn-sm" id="agent-save-main">Сохранить</button><button class="btn btn-secondary btn-sm" id="agent-delete">Удалить</button></div>`;
+    document.getElementById('agent-save-main').onclick = () => executeAction('update_agent', { agent_id: agent.id, name: document.getElementById('agent-edit-name').value, description: document.getElementById('agent-edit-description').value });
+    document.getElementById('agent-delete').onclick = () => deleteWorkflowAgent(agent);
+  } else if (workflowUi.selectedTab === 'model') {
+    renderAgentModelTab(content, snapshot, agent);
+  } else if (workflowUi.selectedTab === 'instructions') {
+    content.innerHTML = `<div class="agent-file-card"><strong>Agent File</strong><code>${wfEscape(agent.agent_file)}</code><span>${agent.agent_file_exists ? 'Файл существует' : 'Н/Д: файл отсутствует'}</span><div class="inspector-actions"><button class="btn btn-secondary btn-sm" id="agent-file-open">Открыть в редакторе</button></div></div>`;
+    document.getElementById('agent-file-open').onclick = () => openAgentFileEditor(agent);
+  } else if (workflowUi.selectedTab === 'tools') {
+    content.innerHTML = `<label class="inspector-field">Инструменты, через запятую<input id="agent-tools" value="${wfEscape((agent.tools || []).join(', '))}"></label><button class="btn btn-primary btn-sm" id="agent-tools-save">Сохранить</button>`;
+    document.getElementById('agent-tools-save').onclick = () => executeAction('update_agent', { agent_id: agent.id, tools: document.getElementById('agent-tools').value.split(',').map((v) => v.trim()).filter(Boolean) });
+  } else if (workflowUi.selectedTab === 'memory') {
+    content.innerHTML = `<div class="inspector-value">${Object.keys(agent.memory_configuration || {}).length ? `<pre>${wfEscape(JSON.stringify(agent.memory_configuration, null, 2))}</pre>` : 'Н/Д: конфигурация памяти не задана'}</div>`;
+  } else {
+    const history = (workflow.events || []).filter((event) => event.agent_id === agent.id);
+    content.innerHTML = history.length ? history.slice(-20).reverse().map((event) => `<div class="workflow-event ${wfEscape(event.level)}"><time>${wfEscape(formatWorkflowTime(event.timestamp))}</time><span>${wfEscape(event.message)}</span><em>${event.duration_seconds == null ? '' : `${event.duration_seconds} с`}</em></div>`).join('') : '<div class="inspector-value">Н/Д: у агента ещё нет запусков</div>';
+  }
+}
+
+function renderAgentModelTab(content, snapshot, agent) {
+  const profiles = Object.values(snapshot.all_profiles || {}).filter((profile) => isConnectedProfile(profile));
+  const cfg = agent.execution_config || {};
+  const providers = [...new Set(profiles.map((profile) => profile.provider))];
+  content.innerHTML = `<label class="inspector-field">Провайдер<select id="agent-provider"><option value="">Не назначен</option>${providers.map((provider) => `<option value="${wfEscape(provider)}" ${provider === cfg.provider ? 'selected' : ''}>${wfEscape(provider)}</option>`).join('')}</select></label><label class="inspector-field">Аккаунт<select id="agent-account"></select></label><label class="inspector-field">Модель<select id="agent-model"></select></label><label class="inspector-field">Температура<input id="agent-temperature" type="number" step="0.1" min="0" max="2" value="${cfg.temperature ?? ''}" placeholder="Н/Д: не задана"></label><label class="inspector-field">Макс. токенов<input id="agent-max-tokens" type="number" min="1" value="${cfg.max_tokens ?? ''}" placeholder="Н/Д: не задано"></label><label class="inspector-field">Таймаут, с<input id="agent-timeout" type="number" min="1" value="${cfg.timeout || ''}"></label><button class="btn btn-primary btn-sm" id="agent-model-save">Изменить конфигурацию</button>`;
+  const providerSelect = document.getElementById('agent-provider');
+  const accountSelect = document.getElementById('agent-account');
+  const modelSelect = document.getElementById('agent-model');
+  const refreshAccounts = () => {
+    const matches = profiles.filter((profile) => profile.provider === providerSelect.value);
+    accountSelect.innerHTML = matches.length ? matches.map((profile) => `<option value="${wfEscape(profile.profile_id)}" ${profile.profile_id === cfg.account ? 'selected' : ''}>${wfEscape(profile.account_identity || profile.display_name || profile.profile_id)}</option>`).join('') : '<option value="">Н/Д: нет подключённых аккаунтов</option>';
+    refreshModels();
+  };
+  const refreshModels = () => {
+    const profile = profiles.find((item) => item.profile_id === accountSelect.value);
+    const models = profile?.preferred_models || Object.values(profile?.model_states || {}).map((state) => state.display_name).filter(Boolean);
+    modelSelect.innerHTML = models.length ? models.map((model) => `<option value="${wfEscape(model)}" ${model === cfg.model ? 'selected' : ''}>${wfEscape(model)}</option>`).join('') : '<option value="">Н/Д: модели не обнаружены</option>';
+  };
+  providerSelect.onchange = refreshAccounts;
+  accountSelect.onchange = refreshModels;
+  refreshAccounts();
+  document.getElementById('agent-model-save').onclick = () => executeAction('update_agent', {
+    agent_id: agent.id, provider: providerSelect.value, profile_id: accountSelect.value, model: modelSelect.value,
+    temperature: nullableNumber('agent-temperature'), max_tokens: nullableNumber('agent-max-tokens'), timeout: nullableNumber('agent-timeout'),
+  });
+}
+
+function nullableNumber(id) {
+  const value = document.getElementById(id).value.trim();
+  return value === '' ? null : Number(value);
+}
+
+async function deleteWorkflowAgent(agent) {
+  let result = await executeAction('delete_agent', { agent_id: agent.id });
+  if (result.ok && result.data?.confirmation_required) {
+    const refs = result.data.consequences?.workflow_edges || [];
+    if (!confirm(`Агент участвует в маршруте и/или графе. Будут удалены связи: ${refs.length ? refs.join(', ') : 'нет'}. Продолжить?`)) return;
+    result = await executeAction('delete_agent', { agent_id: agent.id, force: true });
+  }
+  if (result.ok && result.data?.deleted) workflowUi.selectedAgentId = null;
+}
+
+function openAgentCreateDialog() {
+  const profiles = Object.values(currentSnapshot?.all_profiles || {}).filter((profile) => isConnectedProfile(profile));
+  openWorkflowDialog('Добавить агента', `<label>Название<input id="new-agent-name" required></label><label>Роль (произвольный идентификатор)<input id="new-agent-role" placeholder="security-reviewer"></label><label>Описание<textarea id="new-agent-description"></textarea></label><label>Аккаунт<select id="new-agent-account"><option value="">Не назначать</option>${profiles.map((profile) => `<option value="${wfEscape(profile.profile_id)}">${wfEscape(profile.provider)} · ${wfEscape(profile.account_identity || profile.profile_id)}</option>`).join('')}</select></label><label>Agent File<input id="new-agent-file" placeholder="agents/имя.md"></label>`, async (close) => {
+    const account = document.getElementById('new-agent-account').value;
+    const profile = profiles.find((item) => item.profile_id === account);
+    const result = await executeAction('create_agent', {
+      name: document.getElementById('new-agent-name').value,
+      role: document.getElementById('new-agent-role').value,
+      description: document.getElementById('new-agent-description').value,
+      account,
+      model: profile?.preferred_models?.[0] || null,
+      agent_file: document.getElementById('new-agent-file').value,
+    });
+    if (result.ok) close();
+  });
+}
+
+async function openAgentFileEditor(agent) {
+  const result = await executeAction('read_agent_file', { agent_id: agent.id });
+  if (!result.ok) return;
+  const data = result.data || {};
+  if (!data.exists) {
+    showToast(`Н/Д: ${data.reason}`, 'warning');
+    return;
+  }
+  openWorkflowDialog(`Agent File — ${agent.name}`, `<label>Путь<input value="${wfEscape(data.path)}" readonly></label><label>Markdown<textarea id="agent-file-content" class="agent-file-editor">${wfEscape(data.content)}</textarea></label><p id="agent-file-unsaved">Нет изменений</p>`, async (close) => {
+    const saved = await executeAction('save_agent_file', { agent_id: agent.id, content: document.getElementById('agent-file-content').value });
+    if (saved.ok) close();
+  }, 'Сохранить');
+  const editor = document.getElementById('agent-file-content');
+  editor.addEventListener('input', () => { document.getElementById('agent-file-unsaved').textContent = 'Есть несохранённые изменения'; });
+}
+
+function openEdgeDialog(edge, isNew) {
+  openWorkflowDialog(isNew ? 'Новое ребро' : 'Редактор ребра', `<label>От<input value="${wfEscape(edge.source)}" readonly></label><label>К<input value="${wfEscape(edge.target)}" readonly></label><label>Условие<select id="edge-condition">${['SUCCESS', 'REVIEW_PASSED', 'REVIEW_FAILED', 'NEXT', 'ERROR', 'ALWAYS'].map((condition) => `<option ${condition === edge.condition ? 'selected' : ''}>${condition}</option>`).join('')}</select></label><label>Подпись<input id="edge-label" value="${wfEscape(edge.label || '')}"></label>${isNew ? '' : '<button class="btn btn-secondary btn-sm" id="edge-delete">Удалить ребро</button>'}`, (close) => {
+    const updated = { ...edge, condition: document.getElementById('edge-condition').value, label: document.getElementById('edge-label').value };
+    const index = workflowUi.draftEdges.findIndex((item) => item.id === edge.id);
+    if (index >= 0) workflowUi.draftEdges[index] = updated; else workflowUi.draftEdges.push(updated);
+    markWorkflowDirty(); close(); drawWorkflowEdges();
+  });
+  if (!isNew) document.getElementById('edge-delete').onclick = () => {
+    workflowUi.draftEdges = workflowUi.draftEdges.filter((item) => item.id !== edge.id);
+    markWorkflowDirty(); document.querySelector('.workflow-dialog-backdrop')?.remove(); drawWorkflowEdges();
+  };
+}
+
+function openWorkflowDialog(title, body, onSave, saveLabel = 'Применить') {
+  document.querySelector('.workflow-dialog-backdrop')?.remove();
+  const backdrop = document.createElement('div');
+  backdrop.className = 'workflow-dialog-backdrop';
+  backdrop.innerHTML = `<div class="workflow-dialog"><h2>${wfEscape(title)}</h2>${body}<div class="workflow-dialog-actions"><button class="btn btn-secondary" data-dialog-cancel>Отмена</button><button class="btn btn-primary" data-dialog-save>${wfEscape(saveLabel)}</button></div></div>`;
+  document.body.appendChild(backdrop);
+  const close = () => backdrop.remove();
+  backdrop.querySelector('[data-dialog-cancel]').onclick = close;
+  backdrop.querySelector('[data-dialog-save]').onclick = () => onSave(close);
+  backdrop.addEventListener('click', (event) => { if (event.target === backdrop) close(); });
+}
+
+async function startWorkflowRun() {
+  if (workflowUi.dirty) {
+    showToast('Сначала сохраните изменения графа', 'warning');
+    return;
+  }
+  const task = document.getElementById('workflow-task').value.trim();
+  await executeAction('start_workflow', { task });
+  setWorkflowMode('live');
+}
+
+function renderWorkflowEvents(events) {
+  const box = document.getElementById('workflow-events-list');
+  if (!events.length) {
+    box.innerHTML = '<p>Н/Д: workflow ещё не создавал событий</p>';
+    return;
+  }
+  box.innerHTML = events.slice(-20).reverse().map((event) => `<div class="workflow-event ${wfEscape(event.level)}"><time>${wfEscape(formatWorkflowTime(event.timestamp))}</time><span>${wfEscape(event.message)}${event.error ? ` — ${wfEscape(event.error)}` : ''}</span><em>${wfEscape(event.type)}</em></div>`).join('');
+}
+
+function formatWorkflowTime(value) {
+  if (!value) return 'Н/Д';
+  const parsed = new Date(value);
+  return Number.isNaN(parsed.getTime()) ? value : parsed.toLocaleTimeString('ru-RU');
+}
diff --git a/src/antigravity_provider/router/workflow_service.py b/src/antigravity_provider/router/workflow_service.py
new file mode 100644
index 0000000..b0db3b8
--- /dev/null
+++ b/src/antigravity_provider/router/workflow_service.py
@@ -0,0 +1,646 @@
+"""Persistent agents, workflow graph and live execution for Hermes Hub.
+
+The router role registry remains the source of truth for logical agents and
+Provider -> Account -> Model assignment.  This module adds the pieces that do
+not fit the routing schema: Agent Files, editor layout, workflow transitions,
+execution checkpoints and a bounded event journal.
+"""
+from __future__ import annotations
+
+import json
+import re
+import threading
+import time
+import uuid
+from dataclasses import asdict, dataclass, field
+from pathlib import Path
+from typing import Any, Optional
+
+from antigravity_provider import paths
+from antigravity_provider.router.router_config import RolePolicy, load_router_config, save_router_config
+
+
+AGENT_STATES = {"waiting", "working", "reviewing", "error", "completed", "not_implemented"}
+EDGE_CONDITIONS = {"SUCCESS", "REVIEW_PASSED", "REVIEW_FAILED", "NEXT", "ERROR", "ALWAYS"}
+
+
+def _utc_timestamp() -> str:
+    import datetime
+
+    return datetime.datetime.now(datetime.timezone.utc).isoformat(timespec="seconds")
+
+
+def _slug(value: str) -> str:
+    result = re.sub(r"[^a-z0-9]+", "-", value.strip().lower()).strip("-")
+    return result or f"agent-{uuid.uuid4().hex[:8]}"
+
+
+def _safe_agent_file(value: str, agent_id: str) -> tuple[Path, str]:
+    """Resolve an Agent File below HERMES_HOME/agents and reject traversal."""
+    root = paths.get_agent_files_dir().resolve()
+    candidate_name = Path(value or f"{agent_id}.md").name
+    if not candidate_name.lower().endswith(".md"):
+        candidate_name += ".md"
+    target = (root / candidate_name).resolve()
+    if target.parent != root:
+        raise ValueError("Agent File должен находиться в каталоге agents")
+    return target, f"agents/{candidate_name}"
+
+
+@dataclass
+class AgentDefinition:
+    id: str
+    name: str
+    role: str
+    description: str = ""
+    agent_file: str = ""
+    tools: list[str] = field(default_factory=list)
+    memory_configuration: dict[str, Any] = field(default_factory=dict)
+    execution_policy: dict[str, Any] = field(default_factory=dict)
+    timeout: int = 180
+    temperature: Optional[float] = None
+    max_tokens: Optional[int] = None
+    position: dict[str, float] = field(default_factory=lambda: {"x": 80.0, "y": 80.0})
+    metadata: dict[str, Any] = field(default_factory=dict)
+
+
+@dataclass
+class WorkflowEdge:
+    id: str
+    source: str
+    target: str
+    condition: str = "SUCCESS"
+    label: str = ""
+
+
+@dataclass
+class WorkflowDefinition:
+    id: str = "main"
+    name: str = "Основной workflow"
+    edges: list[WorkflowEdge] = field(default_factory=list)
+    max_iterations: int = 5
+    escalation_agent_id: Optional[str] = None
+    start_agent_id: Optional[str] = None
+
+
+@dataclass
+class WorkflowEvent:
+    timestamp: str
+    type: str
+    message: str
+    level: str = "info"
+    run_id: Optional[str] = None
+    agent_id: Optional[str] = None
+    iteration: Optional[int] = None
+    provider: Optional[str] = None
+    account: Optional[str] = None
+    model: Optional[str] = None
+    duration_seconds: Optional[float] = None
+    error: Optional[str] = None
+
+
+class WorkflowService:
+    _instance: Optional["WorkflowService"] = None
+    _instance_lock = threading.Lock()
+
+    def __init__(self, state_path: Optional[Path] = None) -> None:
+        self.state_path = state_path or paths.get_workflow_state_path()
+        self._lock = threading.RLock()
+        self._stop = threading.Event()
+        self._thread: Optional[threading.Thread] = None
+        self.agents: dict[str, AgentDefinition] = {}
+        self.workflow = WorkflowDefinition()
+        self.events: list[WorkflowEvent] = []
+        self.run: dict[str, Any] = self._idle_run()
+        self._load()
+        self._migrate_router_roles()
+
+    @classmethod
+    def get(cls) -> "WorkflowService":
+        if cls._instance is None:
+            with cls._instance_lock:
+                if cls._instance is None:
+                    cls._instance = cls()
+        return cls._instance
+
+    @staticmethod
+    def _idle_run() -> dict[str, Any]:
+        return {
+            "id": None,
+            "status": "idle",
+            "current_agent_id": None,
+            "current_task": None,
+            "iteration": 0,
+            "started_at": None,
+            "finished_at": None,
+            "elapsed_seconds": None,
+            "last_result": None,
+            "error": None,
+            "agent_states": {},
+        }
+
+    def _load(self) -> None:
+        if not self.state_path.is_file():
+            return
+        try:
+            raw = json.loads(self.state_path.read_text(encoding="utf-8"))
+            self.agents = {
+                item["id"]: AgentDefinition(**item)
+                for item in raw.get("agents", [])
+                if isinstance(item, dict) and item.get("id")
+            }
+            wf = raw.get("workflow") or {}
+            edges = [WorkflowEdge(**edge) for edge in wf.pop("edges", []) if isinstance(edge, dict)]
+            self.workflow = WorkflowDefinition(edges=edges, **wf)
+            self.events = [WorkflowEvent(**event) for event in raw.get("events", [])[-200:]]
+            self.run = raw.get("run") or self._idle_run()
+            if self.run.get("status") in {"running", "stopping"}:
+                self.run["status"] = "interrupted"
+                self.run["error"] = "Выполнение прервано перезапуском Hermes Hub; checkpoint сохранён"
+                self._event("WORKFLOW_INTERRUPTED", self.run["error"], level="warning")
+        except (OSError, ValueError, TypeError):
+            self.agents = {}
+            self.workflow = WorkflowDefinition()
+            self.events = []
+            self.run = self._idle_run()
+
+    def _save(self) -> None:
+        self.state_path.parent.mkdir(parents=True, exist_ok=True)
+        payload = {
+            "schema_version": 1,
+            "agents": [asdict(agent) for agent in self.agents.values()],
+            "workflow": asdict(self.workflow),
+            "events": [asdict(event) for event in self.events[-200:]],
+            "run": self.run,
+        }
+        temp = self.state_path.with_suffix(".tmp")
+        temp.write_text(json.dumps(payload, ensure_ascii=False, indent=2), encoding="utf-8")
+        temp.replace(self.state_path)
+
+    def _migrate_router_roles(self) -> None:
+        config = load_router_config()
+        changed = False
+        for index, (role_id, policy) in enumerate(config.roles.items()):
+            if role_id in self.agents:
+                continue
+            target, relative = _safe_agent_file("", role_id)
+            name = role_id.replace("-", " ").title()
+            description = ""
+            try:
+                from antigravity_provider.router.role_registry import get_role_definition
+
+                definition = get_role_definition(role_id)
+                name = getattr(definition, "name", None) or getattr(definition, "display_name", None) or name
+                description = getattr(definition, "description", "")
+            except (ImportError, AttributeError, TypeError):
+                pass
+            agent = AgentDefinition(
+                id=role_id,
+                name=name,
+                role=role_id,
+                description=description,
+                agent_file=relative,
+                position={"x": 70.0 + (index % 2) * 280.0, "y": 45.0 + (index // 2) * 125.0},
+            )
+            self.agents[role_id] = agent
+            self._ensure_file(target, agent)
+            changed = True
+        if changed:
+            self._save()
+
+    @staticmethod
+    def _ensure_file(target: Path, agent: AgentDefinition) -> None:
+        if not target.exists():
+            body = f"# {agent.name}\n\n## Роль\n\n{agent.role}\n\n## Назначение\n\n{agent.description or 'Инструкции ещё не заполнены.'}\n"
+            target.write_text(body, encoding="utf-8")
+
+    def _execution_config(self, agent: AgentDefinition) -> dict[str, Any]:
+        config = load_router_config()
+        policy = config.roles.get(agent.role)
+        profile_id = policy.preferred_chain[0] if policy and policy.preferred_chain else None
+        profile = config.profiles.get(profile_id) if profile_id else None
+        model = policy.default_model if policy else None
+        if not model and profile and profile.preferred_models:
+            model = profile.preferred_models[0]
+        return {
+            "provider": profile.provider if profile else None,
+            "account": profile_id,
+            "model": model,
+            "timeout": agent.timeout,
+            "temperature": agent.temperature,
+            "max_tokens": agent.max_tokens,
+            "unavailable_reason": None if profile else "Для роли не назначен доступный аккаунт",
+        }
+
+    def snapshot(self) -> dict[str, Any]:
+        with self._lock:
+            agents = []
+            for agent in self.agents.values():
+                item = asdict(agent)
+                target, relative = _safe_agent_file(agent.agent_file, agent.id)
+                item["agent_file"] = relative
+                item["agent_file_exists"] = target.is_file()
+                item["execution_config"] = self._execution_config(agent)
+                item["runtime_state"] = (self.run.get("agent_states") or {}).get(agent.id, "waiting")
+                agents.append(item)
+            return {
+                "agents": agents,
+                "definition": asdict(self.workflow),
+                "run": dict(self.run),
+                "events": [asdict(event) for event in self.events[-60:]],
+                "is_loading": False,
+            }
+
+    def read_agent_file(self, agent_id: str) -> dict[str, Any]:
+        with self._lock:
+            agent = self._require_agent(agent_id)
+            target, relative = _safe_agent_file(agent.agent_file, agent.id)
+            if not target.is_file():
+                return {"path": relative, "exists": False, "content": None, "reason": "Файл не найден на диске"}
+            return {"path": relative, "exists": True, "content": target.read_text(encoding="utf-8")}
+
+    def save_agent_file(self, agent_id: str, content: str) -> dict[str, Any]:
+        with self._lock:
+            agent = self._require_agent(agent_id)
+            target, relative = _safe_agent_file(agent.agent_file, agent.id)
+            temporary = target.with_suffix(".md.tmp")
+            temporary.write_text(str(content), encoding="utf-8")
+            temporary.replace(target)
+            self._event("AGENT_FILE_SAVED", f"Сохранён Agent File {relative}", agent_id=agent_id)
+            self._save()
+            return {"path": relative, "exists": True}
+
+    def create_agent(self, data: dict[str, Any]) -> AgentDefinition:
+        name = str(data.get("name") or "").strip()
+        role = _slug(str(data.get("role") or name))
+        agent_id = _slug(str(data.get("id") or role))
+        if not name:
+            raise ValueError("Укажите название агента")
+        with self._lock:
+            if agent_id in self.agents:
+                raise ValueError("Агент с таким идентификатором уже существует")
+            profile_id = str(data.get("account") or data.get("profile_id") or "").strip()
+            config = load_router_config()
+            if profile_id and profile_id not in config.profiles:
+                raise ValueError("Выбранный аккаунт отсутствует в маршрутизаторе")
+            config.roles[role] = RolePolicy(
+                role_name=role,
+                preferred_chain=[profile_id] if profile_id else [],
+                fallback_capabilities=list(data.get("fallback_capabilities") or [role]),
+                default_model=data.get("model") or None,
+            )
+            if not save_router_config(config):
+                raise OSError("Не удалось сохранить назначение агента")
+            target, relative = _safe_agent_file(str(data.get("agent_file") or ""), agent_id)
+            agent = AgentDefinition(
+                id=agent_id,
+                name=name,
+                role=role,
+                description=str(data.get("description") or ""),
+                agent_file=relative,
+                tools=[str(item) for item in data.get("tools", [])],
+                memory_configuration=dict(data.get("memory_configuration") or {}),
+                execution_policy=dict(data.get("execution_policy") or {}),
+                timeout=max(1, int(data.get("timeout") or 180)),
+                temperature=float(data["temperature"]) if data.get("temperature") is not None else None,
+                max_tokens=int(data["max_tokens"]) if data.get("max_tokens") is not None else None,
+                position=dict(data.get("position") or {"x": 80.0, "y": 80.0}),
+            )
+            self.agents[agent_id] = agent
+            copy_from = data.get("copy_from")
+            if copy_from:
+                source = self.read_agent_file(str(copy_from))
+                target.write_text(source.get("content") or "", encoding="utf-8")
+            else:
+                self._ensure_file(target, agent)
+            self._event("AGENT_CREATED", f"Создан агент «{name}»", agent_id=agent_id)
+            self._save()
+            return agent
+
+    def update_agent(self, agent_id: str, data: dict[str, Any]) -> AgentDefinition:
+        with self._lock:
+            agent = self._require_agent(agent_id)
+            config = load_router_config()
+            policy = config.roles.get(agent.role)
+            if not policy:
+                policy = RolePolicy(role_name=agent.role)
+                config.roles[agent.role] = policy
+            profile_id = str(data.get("account") or data.get("profile_id") or "").strip()
+            if profile_id:
+                profile = config.profiles.get(profile_id)
+                if not profile:
+                    raise ValueError("Выбранный аккаунт отсутствует в маршрутизаторе")
+                requested_provider = str(data.get("provider") or "").strip()
+                if requested_provider and profile.provider != requested_provider:
+                    raise ValueError("Аккаунт не принадлежит выбранному провайдеру")
+                policy.preferred_chain = [profile_id] + [item for item in policy.preferred_chain if item != profile_id]
+            if "model" in data:
+                model = str(data.get("model") or "").strip() or None
+                if model and profile_id:
+                    profile = config.profiles[profile_id]
+                    if model not in profile.preferred_models:
+                        raise ValueError("Модель не доступна выбранному аккаунту")
+                policy.default_model = model
+            if not save_router_config(config):
+                raise OSError("Не удалось сохранить назначение агента")
+            for attr in ("name", "description"):
+                if attr in data:
+                    setattr(agent, attr, str(data[attr]).strip())
+            for attr in ("tools", "memory_configuration", "execution_policy", "position"):
+                if attr in data:
+                    setattr(agent, attr, type(getattr(agent, attr))(data[attr]))
+            for attr in ("timeout", "max_tokens"):
+                if attr in data and data[attr] is not None:
+                    setattr(agent, attr, int(data[attr]))
+            if "temperature" in data:
+                agent.temperature = float(data["temperature"]) if data["temperature"] is not None else None
+            self._event("AGENT_UPDATED", f"Обновлён агент «{agent.name}»", agent_id=agent_id)
+            self._save()
+            return agent
+
+    def delete_agent(self, agent_id: str, force: bool = False) -> dict[str, Any]:
+        with self._lock:
+            agent = self._require_agent(agent_id)
+            edge_ids = [edge.id for edge in self.workflow.edges if edge.source == agent_id or edge.target == agent_id]
+            route_used = bool(load_router_config().roles.get(agent.role))
+            consequences = {"workflow_edges": edge_ids, "routing_role": agent.role if route_used else None}
+            if (edge_ids or route_used) and not force:
+                return {"deleted": False, "confirmation_required": True, "consequences": consequences}
+            config = load_router_config()
+            config.roles.pop(agent.role, None)
+            if not save_router_config(config):
+                raise OSError("Не удалось удалить роль из маршрутизатора")
+            self.workflow.edges = [edge for edge in self.workflow.edges if edge.id not in edge_ids]
+            self.agents.pop(agent_id)
+            self._event("AGENT_DELETED", f"Удалён агент «{agent.name}»", agent_id=agent_id, level="warning")
+            self._save()
+            return {"deleted": True, "consequences": consequences}
+
+    def save_workflow(self, data: dict[str, Any]) -> WorkflowDefinition:
+        with self._lock:
+            if self.run.get("status") in {"running", "stopping"}:
+                raise ValueError("Нельзя менять граф в режиме LIVE во время выполнения")
+            edges: list[WorkflowEdge] = []
+            seen: set[str] = set()
+            for raw in data.get("edges", []):
+                source, target = str(raw.get("source") or ""), str(raw.get("target") or "")
+                condition = str(raw.get("condition") or "SUCCESS").upper()
+                if source not in self.agents or target not in self.agents:
+                    raise ValueError("Ребро ссылается на отсутствующего агента")
+                if condition not in EDGE_CONDITIONS:
+                    raise ValueError(f"Неизвестное условие перехода: {condition}")
+                edge_id = str(raw.get("id") or f"edge-{uuid.uuid4().hex[:10]}")
+                if edge_id in seen:
+                    raise ValueError("Идентификаторы рёбер должны быть уникальны")
+                seen.add(edge_id)
+                edges.append(WorkflowEdge(edge_id, source, target, condition, str(raw.get("label") or "")))
+            max_iterations = int(data.get("max_iterations") or self.workflow.max_iterations)
+            if not 1 <= max_iterations <= 100:
+                raise ValueError("Предел итераций должен быть от 1 до 100")
+            for raw_agent in data.get("agents", []):
+                agent = self.agents.get(str(raw_agent.get("id") or ""))
+                pos = raw_agent.get("position")
+                if agent and isinstance(pos, dict):
+                    agent.position = {"x": float(pos.get("x", 0)), "y": float(pos.get("y", 0))}
+            self.workflow = WorkflowDefinition(
+                id=str(data.get("id") or self.workflow.id),
+                name=str(data.get("name") or self.workflow.name),
+                edges=edges,
+                max_iterations=max_iterations,
+                escalation_agent_id=data.get("escalation_agent_id") or None,
+                start_agent_id=data.get("start_agent_id") or None,
+            )
+            self._event("WORKFLOW_SAVED", f"Сохранён workflow «{self.workflow.name}»")
+            self._save()
+            return self.workflow
+
+    def start(self, task: str) -> dict[str, Any]:
+        task = str(task or "").strip()
+        if not task:
+            raise ValueError("Для запуска укажите реальную задачу")
+        with self._lock:
+            if self._thread and self._thread.is_alive():
+                raise ValueError("Workflow уже выполняется")
+            start_id = self.workflow.start_agent_id or (next(iter(self.agents), None))
+            if not start_id or start_id not in self.agents:
+                raise ValueError("В workflow нет стартового агента")
+            self._stop.clear()
+            self.run = self._idle_run()
+            self.run.update({
+                "id": uuid.uuid4().hex,
+                "status": "running",
+                "current_agent_id": start_id,
+                "current_task": task,
+                "iteration": 1,
+                "started_at": _utc_timestamp(),
+            })
+            self._event("WORKFLOW_STARTED", "Workflow запущен", run_id=self.run["id"], iteration=1)
+            self._save()
+            self._thread = threading.Thread(target=self._execute, name="HermesWorkflow", daemon=True)
+            self._thread.start()
+            return dict(self.run)
+
+    def stop(self) -> dict[str, Any]:
+        with self._lock:
+            if self.run.get("status") != "running":
+                raise ValueError("Нет выполняющегося workflow")
+            self.run["status"] = "stopping"
+            self._stop.set()
+            self._event("WORKFLOW_STOP_REQUESTED", "Запрошена остановка workflow", level="warning")
+            self._save()
+            return dict(self.run)
+
+    def _execute(self) -> None:
+        from antigravity_provider.router.router_engine import get_router_engine
+
+        started = time.monotonic()
+        context = str(self.run.get("current_task") or "")
+        current = str(self.run.get("current_agent_id") or "")
+        visited: dict[str, int] = {}
+        try:
+            engine = get_router_engine()
+            engine.reload_config()
+            while current and not self._stop.is_set():
+                with self._lock:
+                    agent = self._require_agent(current)
+                    visited[current] = visited.get(current, 0) + 1
+                    iteration = max(visited.values())
+                    self.run.update({"current_agent_id": current, "iteration": iteration})
+                    if iteration > self.workflow.max_iterations:
+                        message = f"Достигнут предел итераций: {self.workflow.max_iterations}"
+                        self.run.update({"status": "failed", "error": message})
+                        self._event("WORKFLOW_MAX_ITERATIONS", message, level="error", agent_id=current, iteration=iteration)
+                        break
+                    file_data = self.read_agent_file(current)
+                    if not file_data["exists"]:
+                        raise FileNotFoundError(f"{file_data['path']}: {file_data['reason']}")
+                    self.run.setdefault("agent_states", {})[current] = (
+                        "reviewing" if "review" in agent.role.lower() else "working"
+                    )
+                    self._event("AGENT_STARTED", f"{agent.name} начал выполнение", agent_id=current, iteration=iteration)
+                    self._save()
+                request = {
+                    "model": self._execution_config(agent).get("model"),
+                    "messages": [
+                        {"role": "system", "content": file_data["content"]},
+                        {"role": "user", "content": context},
+                    ],
+                    "timeout": agent.timeout,
+                    "metadata": {"role": agent.role, "workflow_run_id": self.run["id"]},
+                }
+                if agent.temperature is not None:
+                    request["temperature"] = agent.temperature
+                if agent.max_tokens is not None:
+                    request["max_tokens"] = agent.max_tokens
+                step_started = time.monotonic()
+                response = engine.route_request(request, role=agent.role, session_id=self.run["id"])
+                duration = round(time.monotonic() - step_started, 3)
+                text = self._response_text(response)
+                status = self._result_status(response, text)
+                metadata = response.get("router_metadata", {}) if isinstance(response, dict) else {}
+                with self._lock:
+                    self.run["last_result"] = {"status": status, "content": text, "router_metadata": metadata}
+                    self.run.setdefault("agent_states", {})[current] = (
+                        "error" if status in {"ERROR", "REVIEW_FAILED"} else "completed"
+                    )
+                    self._event(
+                        "AGENT_COMPLETED",
+                        f"{agent.name}: {status}",
+                        level="success" if status not in {"ERROR", "REVIEW_FAILED"} else "warning",
+                        agent_id=current,
+                        iteration=iteration,
+                        provider=metadata.get("provider"),
+                        account=metadata.get("profile_id"),
+                        model=metadata.get("selected_model") or (metadata.get("selection_trace") or {}).get("selected_model"),
+                        duration_seconds=duration,
+                        error=text if status == "ERROR" else None,
+                    )
+                    edge = next(
+                        (item for item in self.workflow.edges if item.source == current and item.condition in {status, "ALWAYS"}),
+                        None,
+                    )
+                    if not edge and status not in {"ERROR", "REVIEW_FAILED"}:
+                        edge = next(
+                            (item for item in self.workflow.edges if item.source == current and item.condition in {"SUCCESS", "NEXT"}),
+                            None,
+                        )
+                    if not edge:
+                        self.run["status"] = "failed" if status in {"ERROR", "REVIEW_FAILED"} else "completed"
+                        if status == "ERROR":
+                            self.run["error"] = text or "Провайдер вернул ERROR без текста"
+                        self._event(
+                            "WORKFLOW_FAILED" if self.run["status"] == "failed" else "WORKFLOW_COMPLETED",
+                            f"Workflow завершён со статусом {status}",
+                            level="error" if self.run["status"] == "failed" else "success",
+                            agent_id=current,
+                            iteration=iteration,
+                            error=self.run.get("error") if self.run["status"] == "failed" else None,
+                        )
+                        if status == "ERROR":
+                            try:
+                                from antigravity_provider.router.unified_health import EventLogService
+
+                                EventLogService.get().log(
+                                    "workflow",
+                                    f"Ошибка агента «{agent.name}»",
+                                    details=self.run["error"],
+                                    level="error",
+                                )
+                            except Exception:
+                                pass
+                        break
+                    self._event(
+                        "WORKFLOW_TRANSITION",
+                        f"Переход {current} → {edge.target}: {edge.condition}",
+                        agent_id=current,
+                        iteration=iteration,
+                    )
+                    context = json.dumps({
+                        "original_task": self.run["current_task"],
+                        "previous_agent": current,
+                        "structured_result": {"status": status, "content": text},
+                    }, ensure_ascii=False)
+                    current = edge.target
+                    self._save()
+            with self._lock:
+                if self._stop.is_set():
+                    self.run.update({"status": "stopped", "error": "Остановлено пользователем"})
+                    self._event("WORKFLOW_STOPPED", "Workflow остановлен пользователем", level="warning")
+        except Exception as exc:
+            with self._lock:
+                self.run.update({"status": "failed", "error": str(exc)})
+                self._event("PROVIDER_ERROR", "Ошибка выполнения workflow", level="error", agent_id=current, error=str(exc))
+                try:
+                    from antigravity_provider.router.unified_health import EventLogService
+
+                    EventLogService.get().log("workflow", "Ошибка выполнения workflow", details=str(exc), level="error")
+                except Exception:
+                    pass
+        finally:
+            with self._lock:
+                self.run["finished_at"] = _utc_timestamp()
+                self.run["elapsed_seconds"] = round(time.monotonic() - started, 3)
+                self.run["current_agent_id"] = current or self.run.get("current_agent_id")
+                self._save()
+
+    @staticmethod
+    def _response_text(response: Any) -> str:
+        if not isinstance(response, dict):
+            return str(response)
+        choices = response.get("choices")
+        if isinstance(choices, list) and choices:
+            message = choices[0].get("message", {})
+            return str(message.get("content") or choices[0].get("text") or "")
+        return str(response.get("content") or response.get("text") or response.get("output") or "")
+
+    @staticmethod
+    def _result_status(response: Any, text: str) -> str:
+        if isinstance(response, dict):
+            explicit = response.get("status") or response.get("structured_status")
+            if explicit and str(explicit).upper() in EDGE_CONDITIONS:
+                return str(explicit).upper()
+        for status in ("REVIEW_FAILED", "REVIEW_PASSED", "SUCCESS", "ERROR"):
+            if re.search(rf"\b{status}\b", text.upper()):
+                return status
+        return "SUCCESS"
+
+    def _event(self, event_type: str, message: str, **kwargs: Any) -> None:
+        self.events.append(WorkflowEvent(_utc_timestamp(), event_type, message, **kwargs))
+        self.events = self.events[-200:]
+
+    def _require_agent(self, agent_id: str) -> AgentDefinition:
+        agent = self.agents.get(agent_id)
+        if not agent:
+            raise ValueError("Агент не найден")
+        return agent
+
+
+def execute_workflow_action(action: str, data: dict[str, Any]) -> dict[str, Any]:
+    """Execute a workflow action through the shared ActionExecutor layer."""
+    service = WorkflowService.get()
+    if action == "create_agent":
+        result = asdict(service.create_agent(data))
+    elif action == "update_agent":
+        result = asdict(service.update_agent(str(data.get("agent_id") or ""), data))
+    elif action == "delete_agent":
+        result = service.delete_agent(str(data.get("agent_id") or ""), bool(data.get("force")))
+    elif action == "read_agent_file":
+        result = service.read_agent_file(str(data.get("agent_id") or ""))
+    elif action == "save_agent_file":
+        result = service.save_agent_file(str(data.get("agent_id") or ""), str(data.get("content") or ""))
+    elif action == "save_workflow":
+        result = asdict(service.save_workflow(data))
+    elif action == "start_workflow":
+        result = service.start(str(data.get("task") or ""))
+    elif action == "stop_workflow":
+        result = service.stop()
+    else:
+        raise ValueError("Неизвестное действие workflow")
+    if action in {"create_agent", "update_agent", "delete_agent"}:
+        try:
+            from antigravity_provider.router.state_store import HubStateStore
+
+            HubStateStore.get().refresh(force_scan=False)
+        except Exception:
+            pass
+    return {"ok": True, "message": "Выполнено", "data": result}
diff --git a/tests/test_web_parity_a21.py b/tests/test_web_parity_a21.py
index 1d4135b..12aa1bd 100644
--- a/tests/test_web_parity_a21.py
+++ b/tests/test_web_parity_a21.py
@@ -130,7 +130,7 @@ def test_web_client_html_and_js_7_views_parity():
 
     # Overview view elements
     assert "renderOverviewView" in app_js
-    assert "overview-route-diagram" in index_html
+    assert "workflow-canvas" in index_html
 
     # Analytics view elements
     assert "analytics-total-calls" in index_html
diff --git a/tests/test_workflow_service_a30.py b/tests/test_workflow_service_a30.py
new file mode 100644
index 0000000..b1400cf
--- /dev/null
+++ b/tests/test_workflow_service_a30.py
@@ -0,0 +1,163 @@
+from __future__ import annotations
+
+import json
+
+import pytest
+
+from antigravity_provider.router.router_config import (
+    RolePolicy,
+    RouterConfig,
+    RouterProfileConfig,
+    save_router_config,
+)
+from antigravity_provider.router.workflow_service import WorkflowService
+
+
+@pytest.fixture
+def workflow_service(tmp_path, monkeypatch):
+    monkeypatch.setenv("HERMES_HOME", str(tmp_path))
+    config = RouterConfig(
+        profiles={
+            "account-a": RouterProfileConfig(
+                profile_id="account-a",
+                provider="openai-codex",
+                preferred_models=["model-real-from-config"],
+            )
+        },
+        roles={"developer": RolePolicy(role_name="developer", preferred_chain=["account-a"])},
+    )
+    save_router_config(config)
+    return WorkflowService(tmp_path / "workflow_state.json")
+
+
+def test_router_roles_migrate_to_agents_and_create_real_files(workflow_service, tmp_path):
+    snapshot = workflow_service.snapshot()
+    assert "developer" in [agent["id"] for agent in snapshot["agents"]]
+    agent = next(item for item in snapshot["agents"] if item["id"] == "developer")
+    assert agent["agent_file"] == "agents/developer.md"
+    assert agent["agent_file_exists"] is True
+    assert (tmp_path / "agents" / "developer.md").is_file()
+    assert agent["execution_config"]["account"] == "account-a"
+    assert agent["execution_config"]["model"] == "model-real-from-config"
+
+
+def test_create_update_file_and_restart_persistence(workflow_service, tmp_path):
+    created = workflow_service.create_agent({
+        "name": "Security Reviewer",
+        "role": "security-reviewer",
+        "account": "account-a",
+        "model": "model-real-from-config",
+        "description": "Проверяет безопасность",
+    })
+    workflow_service.save_agent_file(created.id, "# Security\n\nOnly measured facts.")
+    workflow_service.update_agent(created.id, {"timeout": 91, "position": {"x": 33, "y": 44}})
+
+    restarted = WorkflowService(tmp_path / "workflow_state.json")
+    item = next(agent for agent in restarted.snapshot()["agents"] if agent["id"] == created.id)
+    assert item["timeout"] == 91
+    assert item["position"] == {"x": 33, "y": 44}
+    assert restarted.read_agent_file(created.id)["content"].endswith("Only measured facts.")
+
+
+def test_delete_requires_explicit_confirmation_when_referenced(workflow_service):
+    workflow_service.create_agent({"name": "Test Reviewer", "role": "test-reviewer", "account": "account-a"})
+    workflow_service.save_workflow({
+        "start_agent_id": "developer",
+        "max_iterations": 3,
+        "edges": [{"id": "review", "source": "developer", "target": "test-reviewer", "condition": "SUCCESS"}],
+    })
+    warning = workflow_service.delete_agent("test-reviewer")
+    assert warning["confirmation_required"] is True
+    assert warning["consequences"]["workflow_edges"] == ["review"]
+    result = workflow_service.delete_agent("test-reviewer", force=True)
+    assert result["deleted"] is True
+    assert workflow_service.workflow.edges == []
+
+
+def test_cycles_are_valid_and_iteration_limit_is_persisted(workflow_service):
+    workflow_service.create_agent({"name": "Test Reviewer", "role": "test-reviewer", "account": "account-a"})
+    definition = workflow_service.save_workflow({
+        "start_agent_id": "developer",
+        "max_iterations": 2,
+        "edges": [
+            {"source": "developer", "target": "test-reviewer", "condition": "SUCCESS"},
+            {"source": "test-reviewer", "target": "developer", "condition": "REVIEW_FAILED"},
+        ],
+    })
+    assert definition.max_iterations == 2
+    assert definition.edges[1].condition == "REVIEW_FAILED"
+    payload = json.loads(workflow_service.state_path.read_text(encoding="utf-8"))
+    assert payload["workflow"]["max_iterations"] == 2
+
+
+def test_invalid_edge_and_unknown_model_are_rejected(workflow_service):
+    with pytest.raises(ValueError, match="отсутствующего агента"):
+        workflow_service.save_workflow({"edges": [{"source": "developer", "target": "missing"}]})
+    with pytest.raises(ValueError, match="не доступна"):
+        workflow_service.update_agent("developer", {"account": "account-a", "model": "invented-model"})
+
+
+def test_interrupted_run_is_reported_not_silently_completed(workflow_service, tmp_path):
+    workflow_service.run.update({"id": "run-1", "status": "running", "current_agent_id": "developer"})
+    workflow_service._save()
+    restarted = WorkflowService(tmp_path / "workflow_state.json")
+    assert restarted.run["status"] == "interrupted"
+    assert "перезапуском" in restarted.run["error"]
+    assert restarted.events[-1].type == "WORKFLOW_INTERRUPTED"
+
+
+def test_live_cycle_stops_with_explicit_iteration_limit_event(workflow_service, monkeypatch):
+    workflow_service.create_agent({"name": "Loop Reviewer", "role": "loop-reviewer", "account": "account-a"})
+    workflow_service.save_workflow({
+        "start_agent_id": "developer",
+        "max_iterations": 2,
+        "edges": [
+            {"source": "developer", "target": "loop-reviewer", "condition": "SUCCESS"},
+            {"source": "loop-reviewer", "target": "developer", "condition": "REVIEW_FAILED"},
+        ],
+    })
+
+    class FakeEngine:
+        def reload_config(self):
+            return None
+
+        def route_request(self, request, role=None, session_id=None):
+            status = "REVIEW_FAILED" if role == "loop-reviewer" else "SUCCESS"
+            return {
+                "choices": [{"message": {"content": status}}],
+                "router_metadata": {
+                    "provider": "measured-provider",
+                    "profile_id": "account-a",
+                    "selection_trace": {"selected_model": "model-real-from-config"},
+                },
+            }
+
+    monkeypatch.setattr("antigravity_provider.router.router_engine.get_router_engine", lambda: FakeEngine())
+    workflow_service.start("Проверить реальный цикл")
+    workflow_service._thread.join(timeout=3)
+
+    assert workflow_service.run["status"] == "failed"
+    assert workflow_service.run["error"] == "Достигнут предел итераций: 2"
+    assert any(event.type == "WORKFLOW_MAX_ITERATIONS" for event in workflow_service.events)
+
+
+def test_provider_error_text_reaches_run_and_events(workflow_service, monkeypatch):
+    provider_text = "Provider Error: authentication token missing for account-a"
+
+    class ErrorEngine:
+        def reload_config(self):
+            return None
+
+        def route_request(self, request, role=None, session_id=None):
+            return {"choices": [{"message": {"content": f"ERROR\n{provider_text}"}}]}
+
+    monkeypatch.setattr("antigravity_provider.router.router_engine.get_router_engine", lambda: ErrorEngine())
+    workflow_service.workflow.start_agent_id = "developer"
+    workflow_service.workflow.edges = []
+    workflow_service.start("Проверить ошибку")
+    workflow_service._thread.join(timeout=3)
+
+    assert workflow_service.run["status"] == "failed"
+    assert provider_text in workflow_service.run["error"]
+    assert any(provider_text in (event.error or "") for event in workflow_service.events)
+    assert workflow_service.snapshot()["agents"][0]["runtime_state"] == "error"