diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6783ac35..27c3de43 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -277,6 +277,13 @@ jobs:
           - { angular: cockpit-chat-theming-angular,           python: cockpit/chat/theming/python }
           - { angular: cockpit-chat-generative-ui-angular,     python: cockpit/chat/generative-ui/python }
           - { angular: cockpit-chat-a2ui-angular,              python: cockpit/chat/a2ui/python }
+          - { angular: cockpit-langgraph-persistence-angular,  python: cockpit/langgraph/persistence/python }
+          - { angular: cockpit-langgraph-interrupts-angular,   python: cockpit/langgraph/interrupts/python }
+          - { angular: cockpit-langgraph-memory-angular,       python: cockpit/langgraph/memory/python }
+          - { angular: cockpit-langgraph-durable-execution-angular, python: cockpit/langgraph/durable-execution/python }
+          - { angular: cockpit-langgraph-subgraphs-angular,    python: cockpit/langgraph/subgraphs/python }
+          - { angular: cockpit-langgraph-time-travel-angular,  python: cockpit/langgraph/time-travel/python }
+          - { angular: cockpit-langgraph-deployment-runtime-angular, python: cockpit/langgraph/deployment-runtime/python }
     steps:
       - uses: actions/checkout@v6.0.2
       - uses: actions/setup-node@v6.3.0
diff --git a/apps/cockpit/scripts/capability-registry.ts b/apps/cockpit/scripts/capability-registry.ts
index 147e3aa0..077ba68a 100644
--- a/apps/cockpit/scripts/capability-registry.ts
+++ b/apps/cockpit/scripts/capability-registry.ts
@@ -16,14 +16,14 @@ export interface Capability {
 }
 
 export const capabilities: readonly Capability[] = [
-  { id: 'streaming', product: 'langgraph', topic: 'streaming', angularProject: 'cockpit-langgraph-streaming-angular', port: 4300, pythonDir: 'cockpit/langgraph/streaming/python', graphName: 'streaming' },
-  { id: 'persistence', product: 'langgraph', topic: 'persistence', angularProject: 'cockpit-langgraph-persistence-angular', port: 4301, pythonDir: 'cockpit/langgraph/persistence/python', graphName: 'persistence' },
-  { id: 'interrupts', product: 'langgraph', topic: 'interrupts', angularProject: 'cockpit-langgraph-interrupts-angular', port: 4302, pythonDir: 'cockpit/langgraph/interrupts/python', graphName: 'interrupts' },
-  { id: 'memory', product: 'langgraph', topic: 'memory', angularProject: 'cockpit-langgraph-memory-angular', port: 4303, pythonDir: 'cockpit/langgraph/memory/python', graphName: 'memory' },
-  { id: 'durable-execution', product: 'langgraph', topic: 'durable-execution', angularProject: 'cockpit-langgraph-durable-execution-angular', port: 4304, pythonDir: 'cockpit/langgraph/durable-execution/python', graphName: 'durable-execution' },
-  { id: 'subgraphs', product: 'langgraph', topic: 'subgraphs', angularProject: 'cockpit-langgraph-subgraphs-angular', port: 4305, pythonDir: 'cockpit/langgraph/subgraphs/python', graphName: 'subgraphs' },
-  { id: 'time-travel', product: 'langgraph', topic: 'time-travel', angularProject: 'cockpit-langgraph-time-travel-angular', port: 4306, pythonDir: 'cockpit/langgraph/time-travel/python', graphName: 'time-travel' },
-  { id: 'deployment-runtime', product: 'langgraph', topic: 'deployment-runtime', angularProject: 'cockpit-langgraph-deployment-runtime-angular', port: 4307, pythonDir: 'cockpit/langgraph/deployment-runtime/python', graphName: 'deployment-runtime' },
+  { id: 'streaming', product: 'langgraph', topic: 'streaming', angularProject: 'cockpit-langgraph-streaming-angular', port: 4300, pythonPort: 5300, pythonDir: 'cockpit/langgraph/streaming/python', graphName: 'streaming' },
+  { id: 'persistence', product: 'langgraph', topic: 'persistence', angularProject: 'cockpit-langgraph-persistence-angular', port: 4301, pythonPort: 5301, pythonDir: 'cockpit/langgraph/persistence/python', graphName: 'persistence' },
+  { id: 'interrupts', product: 'langgraph', topic: 'interrupts', angularProject: 'cockpit-langgraph-interrupts-angular', port: 4302, pythonPort: 5302, pythonDir: 'cockpit/langgraph/interrupts/python', graphName: 'interrupts' },
+  { id: 'memory', product: 'langgraph', topic: 'memory', angularProject: 'cockpit-langgraph-memory-angular', port: 4303, pythonPort: 5303, pythonDir: 'cockpit/langgraph/memory/python', graphName: 'memory' },
+  { id: 'durable-execution', product: 'langgraph', topic: 'durable-execution', angularProject: 'cockpit-langgraph-durable-execution-angular', port: 4304, pythonPort: 5304, pythonDir: 'cockpit/langgraph/durable-execution/python', graphName: 'durable-execution' },
+  { id: 'subgraphs', product: 'langgraph', topic: 'subgraphs', angularProject: 'cockpit-langgraph-subgraphs-angular', port: 4305, pythonPort: 5305, pythonDir: 'cockpit/langgraph/subgraphs/python', graphName: 'subgraphs' },
+  { id: 'time-travel', product: 'langgraph', topic: 'time-travel', angularProject: 'cockpit-langgraph-time-travel-angular', port: 4306, pythonPort: 5306, pythonDir: 'cockpit/langgraph/time-travel/python', graphName: 'time-travel' },
+  { id: 'deployment-runtime', product: 'langgraph', topic: 'deployment-runtime', angularProject: 'cockpit-langgraph-deployment-runtime-angular', port: 4307, pythonPort: 5307, pythonDir: 'cockpit/langgraph/deployment-runtime/python', graphName: 'deployment-runtime' },
   { id: 'da-planning', product: 'deep-agents', topic: 'planning', angularProject: 'cockpit-deep-agents-planning-angular', port: 4310, pythonDir: 'cockpit/deep-agents/planning/python', graphName: 'da-planning' },
   { id: 'da-filesystem', product: 'deep-agents', topic: 'filesystem', angularProject: 'cockpit-deep-agents-filesystem-angular', port: 4311, pythonDir: 'cockpit/deep-agents/filesystem/python', graphName: 'da-filesystem' },
   { id: 'da-subagents', product: 'deep-agents', topic: 'subagents', angularProject: 'cockpit-deep-agents-subagents-angular', port: 4312, pythonDir: 'cockpit/deep-agents/subagents/python', graphName: 'subagents' },
diff --git a/cockpit/langgraph/deployment-runtime/angular/e2e/deployment-runtime.spec.ts b/cockpit/langgraph/deployment-runtime/angular/e2e/deployment-runtime.spec.ts
new file mode 100644
index 00000000..a879ce70
--- /dev/null
+++ b/cockpit/langgraph/deployment-runtime/angular/e2e/deployment-runtime.spec.ts
@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: MIT
+import { test, expect } from '@playwright/test';
+import { submitAndWaitForResponse } from '../../../../../libs/e2e-harness/src';
+
+test('deployment-runtime: hello prompt produces assistant turn', async ({ page }) => {
+  const bubble = await submitAndWaitForResponse(page, 'Hello');
+  // Smoke: backend booted, aimock replayed fixture, assistant bubble
+  // finalized (data-streaming="false") and is present in the DOM.
+  await expect(bubble).toBeVisible();
+});
diff --git a/cockpit/langgraph/deployment-runtime/angular/e2e/fixtures/deployment-runtime.json b/cockpit/langgraph/deployment-runtime/angular/e2e/fixtures/deployment-runtime.json
new file mode 100644
index 00000000..8766ff23
--- /dev/null
+++ b/cockpit/langgraph/deployment-runtime/angular/e2e/fixtures/deployment-runtime.json
@@ -0,0 +1,12 @@
+{
+  "fixtures": [
+    {
+      "match": {
+        "userMessage": "Hello"
+      },
+      "response": {
+        "content": "Hello! How can I help you today?"
+      }
+    }
+  ]
+}
\ No newline at end of file
diff --git a/cockpit/langgraph/deployment-runtime/angular/e2e/global-setup-impl.ts b/cockpit/langgraph/deployment-runtime/angular/e2e/global-setup-impl.ts
new file mode 100644
index 00000000..930ed385
--- /dev/null
+++ b/cockpit/langgraph/deployment-runtime/angular/e2e/global-setup-impl.ts
@@ -0,0 +1,11 @@
+// SPDX-License-Identifier: MIT
+import { resolve } from 'node:path';
+import { createGlobalSetup } from '../../../../../libs/e2e-harness/src';
+
+export default createGlobalSetup({
+  langgraphCwd: 'cockpit/langgraph/deployment-runtime/python',
+  langgraphPort: 5307,
+  angularProject: 'cockpit-langgraph-deployment-runtime-angular',
+  angularPort: 4307,
+  fixturesDir: resolve(__dirname, 'fixtures'),
+});
diff --git a/cockpit/langgraph/deployment-runtime/angular/e2e/playwright.config.ts b/cockpit/langgraph/deployment-runtime/angular/e2e/playwright.config.ts
new file mode 100644
index 00000000..cee41f1a
--- /dev/null
+++ b/cockpit/langgraph/deployment-runtime/angular/e2e/playwright.config.ts
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: MIT
+import { defineConfig, devices } from '@playwright/test';
+
+export default defineConfig({
+  testDir: '.',
+  testMatch: '**/*.spec.ts',
+  fullyParallel: false,
+  workers: 1,
+  retries: process.env.CI ? 2 : 0,
+  reporter: process.env.CI ? [['list'], ['html', { open: 'never' }]] : 'list',
+  use: {
+    baseURL: 'http://localhost:4307',
+    trace: 'retain-on-failure',
+  },
+  projects: [{ name: 'chromium', use: { ...devices['Desktop Chrome'] } }],
+  globalSetup: './global-setup-impl.ts',
+  globalTeardown: require.resolve('../../../../../libs/e2e-harness/src/global-teardown'),
+});
diff --git a/cockpit/langgraph/deployment-runtime/angular/e2e/tsconfig.json b/cockpit/langgraph/deployment-runtime/angular/e2e/tsconfig.json
new file mode 100644
index 00000000..0b5aeecb
--- /dev/null
+++ b/cockpit/langgraph/deployment-runtime/angular/e2e/tsconfig.json
@@ -0,0 +1,14 @@
+{
+  "compilerOptions": {
+    "target": "ES2022",
+    "module": "ES2022",
+    "moduleResolution": "Bundler",
+    "esModuleInterop": true,
+    "strict": true,
+    "skipLibCheck": true,
+    "noEmit": true,
+    "types": ["node"]
+  },
+  "include": ["**/*.ts"],
+  "exclude": ["node_modules", "test-results", "playwright-report"]
+}
diff --git a/cockpit/langgraph/deployment-runtime/angular/project.json b/cockpit/langgraph/deployment-runtime/angular/project.json
index bd9809d8..810d693c 100644
--- a/cockpit/langgraph/deployment-runtime/angular/project.json
+++ b/cockpit/langgraph/deployment-runtime/angular/project.json
@@ -87,6 +87,12 @@
         "cwd": "cockpit/langgraph/deployment-runtime/angular",
         "command": "npx tsx -e \"import { langgraphDeploymentRuntimeAngularModule } from './src/index.ts'; const module = langgraphDeploymentRuntimeAngularModule; if (module.id !== 'langgraph-deployment-runtime-angular' || module.title !== 'LangGraph Deployment & Runtime (Angular)') { throw new Error('Unexpected module shape for ' + module.id); }\""
       }
+    },
+    "e2e": {
+      "executor": "@nx/playwright:playwright",
+      "options": {
+        "config": "cockpit/langgraph/deployment-runtime/angular/e2e/playwright.config.ts"
+      }
     }
   }
 }
diff --git a/cockpit/langgraph/deployment-runtime/angular/proxy.conf.json b/cockpit/langgraph/deployment-runtime/angular/proxy.conf.json
index 8523362d..73b38f86 100644
--- a/cockpit/langgraph/deployment-runtime/angular/proxy.conf.json
+++ b/cockpit/langgraph/deployment-runtime/angular/proxy.conf.json
@@ -1,9 +1,11 @@
 {
   "/api": {
-    "target": "http://localhost:8123",
+    "target": "http://localhost:5307",
     "secure": false,
     "changeOrigin": true,
-    "pathRewrite": { "^/api": "" },
+    "pathRewrite": {
+      "^/api": ""
+    },
     "ws": true
   }
 }
diff --git a/cockpit/langgraph/durable-execution/angular/e2e/durable-execution.spec.ts b/cockpit/langgraph/durable-execution/angular/e2e/durable-execution.spec.ts
new file mode 100644
index 00000000..8e278948
--- /dev/null
+++ b/cockpit/langgraph/durable-execution/angular/e2e/durable-execution.spec.ts
@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: MIT
+import { test, expect } from '@playwright/test';
+import { submitAndWaitForResponse } from '../../../../../libs/e2e-harness/src';
+
+test('durable-execution: hello prompt produces assistant turn', async ({ page }) => {
+  const bubble = await submitAndWaitForResponse(page, 'Hello');
+  // Smoke: backend booted, aimock replayed fixture, assistant bubble
+  // finalized (data-streaming="false") and is present in the DOM.
+  await expect(bubble).toBeVisible();
+});
diff --git a/cockpit/langgraph/durable-execution/angular/e2e/fixtures/durable-execution.json b/cockpit/langgraph/durable-execution/angular/e2e/fixtures/durable-execution.json
new file mode 100644
index 00000000..8c8b3198
--- /dev/null
+++ b/cockpit/langgraph/durable-execution/angular/e2e/fixtures/durable-execution.json
@@ -0,0 +1,12 @@
+{
+  "fixtures": [
+    {
+      "match": {
+        "userMessage": "Hello"
+      },
+      "response": {
+        "content": "The user sent a simple greeting (\"Hello\"), so the immediate goal is to acknowledge the greeting and invite them to continue (e.g., ask how I can help or what they'd like to discuss)."
+      }
+    }
+  ]
+}
\ No newline at end of file
diff --git a/cockpit/langgraph/durable-execution/angular/e2e/global-setup-impl.ts b/cockpit/langgraph/durable-execution/angular/e2e/global-setup-impl.ts
new file mode 100644
index 00000000..6ada3416
--- /dev/null
+++ b/cockpit/langgraph/durable-execution/angular/e2e/global-setup-impl.ts
@@ -0,0 +1,11 @@
+// SPDX-License-Identifier: MIT
+import { resolve } from 'node:path';
+import { createGlobalSetup } from '../../../../../libs/e2e-harness/src';
+
+export default createGlobalSetup({
+  langgraphCwd: 'cockpit/langgraph/durable-execution/python',
+  langgraphPort: 5304,
+  angularProject: 'cockpit-langgraph-durable-execution-angular',
+  angularPort: 4304,
+  fixturesDir: resolve(__dirname, 'fixtures'),
+});
diff --git a/cockpit/langgraph/durable-execution/angular/e2e/playwright.config.ts b/cockpit/langgraph/durable-execution/angular/e2e/playwright.config.ts
new file mode 100644
index 00000000..52f41a3d
--- /dev/null
+++ b/cockpit/langgraph/durable-execution/angular/e2e/playwright.config.ts
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: MIT
+import { defineConfig, devices } from '@playwright/test';
+
+export default defineConfig({
+  testDir: '.',
+  testMatch: '**/*.spec.ts',
+  fullyParallel: false,
+  workers: 1,
+  retries: process.env.CI ? 2 : 0,
+  reporter: process.env.CI ? [['list'], ['html', { open: 'never' }]] : 'list',
+  use: {
+    baseURL: 'http://localhost:4304',
+    trace: 'retain-on-failure',
+  },
+  projects: [{ name: 'chromium', use: { ...devices['Desktop Chrome'] } }],
+  globalSetup: './global-setup-impl.ts',
+  globalTeardown: require.resolve('../../../../../libs/e2e-harness/src/global-teardown'),
+});
diff --git a/cockpit/langgraph/durable-execution/angular/e2e/tsconfig.json b/cockpit/langgraph/durable-execution/angular/e2e/tsconfig.json
new file mode 100644
index 00000000..0b5aeecb
--- /dev/null
+++ b/cockpit/langgraph/durable-execution/angular/e2e/tsconfig.json
@@ -0,0 +1,14 @@
+{
+  "compilerOptions": {
+    "target": "ES2022",
+    "module": "ES2022",
+    "moduleResolution": "Bundler",
+    "esModuleInterop": true,
+    "strict": true,
+    "skipLibCheck": true,
+    "noEmit": true,
+    "types": ["node"]
+  },
+  "include": ["**/*.ts"],
+  "exclude": ["node_modules", "test-results", "playwright-report"]
+}
diff --git a/cockpit/langgraph/durable-execution/angular/project.json b/cockpit/langgraph/durable-execution/angular/project.json
index 84185da1..b5a0856f 100644
--- a/cockpit/langgraph/durable-execution/angular/project.json
+++ b/cockpit/langgraph/durable-execution/angular/project.json
@@ -87,6 +87,12 @@
         "cwd": "cockpit/langgraph/durable-execution/angular",
         "command": "npx tsx -e \"import { langgraphDurableExecutionAngularModule } from './src/index.ts'; const module = langgraphDurableExecutionAngularModule; if (module.id !== 'langgraph-durable-execution-angular' || module.title !== 'LangGraph Durable Execution (Angular)') { throw new Error('Unexpected module shape for ' + module.id); }\""
       }
+    },
+    "e2e": {
+      "executor": "@nx/playwright:playwright",
+      "options": {
+        "config": "cockpit/langgraph/durable-execution/angular/e2e/playwright.config.ts"
+      }
     }
   }
 }
diff --git a/cockpit/langgraph/durable-execution/angular/proxy.conf.json b/cockpit/langgraph/durable-execution/angular/proxy.conf.json
index 8523362d..3635c645 100644
--- a/cockpit/langgraph/durable-execution/angular/proxy.conf.json
+++ b/cockpit/langgraph/durable-execution/angular/proxy.conf.json
@@ -1,9 +1,11 @@
 {
   "/api": {
-    "target": "http://localhost:8123",
+    "target": "http://localhost:5304",
     "secure": false,
     "changeOrigin": true,
-    "pathRewrite": { "^/api": "" },
+    "pathRewrite": {
+      "^/api": ""
+    },
     "ws": true
   }
 }
diff --git a/cockpit/langgraph/interrupts/angular/e2e/fixtures/interrupts.json b/cockpit/langgraph/interrupts/angular/e2e/fixtures/interrupts.json
new file mode 100644
index 00000000..518cc809
--- /dev/null
+++ b/cockpit/langgraph/interrupts/angular/e2e/fixtures/interrupts.json
@@ -0,0 +1,12 @@
+{
+  "fixtures": [
+    {
+      "match": {
+        "userMessage": "Hello"
+      },
+      "response": {
+        "content": "Hello! How can I help you today? Please approve this response to continue."
+      }
+    }
+  ]
+}
\ No newline at end of file
diff --git a/cockpit/langgraph/interrupts/angular/e2e/global-setup-impl.ts b/cockpit/langgraph/interrupts/angular/e2e/global-setup-impl.ts
new file mode 100644
index 00000000..9623030e
--- /dev/null
+++ b/cockpit/langgraph/interrupts/angular/e2e/global-setup-impl.ts
@@ -0,0 +1,11 @@
+// SPDX-License-Identifier: MIT
+import { resolve } from 'node:path';
+import { createGlobalSetup } from '../../../../../libs/e2e-harness/src';
+
+export default createGlobalSetup({
+  langgraphCwd: 'cockpit/langgraph/interrupts/python',
+  langgraphPort: 5302,
+  angularProject: 'cockpit-langgraph-interrupts-angular',
+  angularPort: 4302,
+  fixturesDir: resolve(__dirname, 'fixtures'),
+});
diff --git a/cockpit/langgraph/interrupts/angular/e2e/interrupts.spec.ts b/cockpit/langgraph/interrupts/angular/e2e/interrupts.spec.ts
new file mode 100644
index 00000000..1676090c
--- /dev/null
+++ b/cockpit/langgraph/interrupts/angular/e2e/interrupts.spec.ts
@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: MIT
+import { test, expect } from '@playwright/test';
+import { submitAndWaitForResponse } from '../../../../../libs/e2e-harness/src';
+
+test('interrupts: hello prompt produces assistant turn', async ({ page }) => {
+  const bubble = await submitAndWaitForResponse(page, 'Hello');
+  // Smoke: backend booted, aimock replayed fixture, assistant bubble
+  // finalized (data-streaming="false") and is present in the DOM.
+  await expect(bubble).toBeVisible();
+});
diff --git a/cockpit/langgraph/interrupts/angular/e2e/playwright.config.ts b/cockpit/langgraph/interrupts/angular/e2e/playwright.config.ts
new file mode 100644
index 00000000..611ac2c4
--- /dev/null
+++ b/cockpit/langgraph/interrupts/angular/e2e/playwright.config.ts
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: MIT
+import { defineConfig, devices } from '@playwright/test';
+
+export default defineConfig({
+  testDir: '.',
+  testMatch: '**/*.spec.ts',
+  fullyParallel: false,
+  workers: 1,
+  retries: process.env.CI ? 2 : 0,
+  reporter: process.env.CI ? [['list'], ['html', { open: 'never' }]] : 'list',
+  use: {
+    baseURL: 'http://localhost:4302',
+    trace: 'retain-on-failure',
+  },
+  projects: [{ name: 'chromium', use: { ...devices['Desktop Chrome'] } }],
+  globalSetup: './global-setup-impl.ts',
+  globalTeardown: require.resolve('../../../../../libs/e2e-harness/src/global-teardown'),
+});
diff --git a/cockpit/langgraph/interrupts/angular/e2e/tsconfig.json b/cockpit/langgraph/interrupts/angular/e2e/tsconfig.json
new file mode 100644
index 00000000..0b5aeecb
--- /dev/null
+++ b/cockpit/langgraph/interrupts/angular/e2e/tsconfig.json
@@ -0,0 +1,14 @@
+{
+  "compilerOptions": {
+    "target": "ES2022",
+    "module": "ES2022",
+    "moduleResolution": "Bundler",
+    "esModuleInterop": true,
+    "strict": true,
+    "skipLibCheck": true,
+    "noEmit": true,
+    "types": ["node"]
+  },
+  "include": ["**/*.ts"],
+  "exclude": ["node_modules", "test-results", "playwright-report"]
+}
diff --git a/cockpit/langgraph/interrupts/angular/project.json b/cockpit/langgraph/interrupts/angular/project.json
index 20e4a9c1..9f5b88de 100644
--- a/cockpit/langgraph/interrupts/angular/project.json
+++ b/cockpit/langgraph/interrupts/angular/project.json
@@ -87,6 +87,12 @@
         "cwd": "cockpit/langgraph/interrupts/angular",
         "command": "npx tsx -e \"import { langgraphInterruptsAngularModule } from './src/index.ts'; const module = langgraphInterruptsAngularModule; if (module.id !== 'langgraph-interrupts-angular' || module.title !== 'LangGraph Interrupts (Angular)') { throw new Error('Unexpected module shape for ' + module.id); }\""
       }
+    },
+    "e2e": {
+      "executor": "@nx/playwright:playwright",
+      "options": {
+        "config": "cockpit/langgraph/interrupts/angular/e2e/playwright.config.ts"
+      }
     }
   }
 }
diff --git a/cockpit/langgraph/interrupts/angular/proxy.conf.json b/cockpit/langgraph/interrupts/angular/proxy.conf.json
index 8523362d..1e81d1e5 100644
--- a/cockpit/langgraph/interrupts/angular/proxy.conf.json
+++ b/cockpit/langgraph/interrupts/angular/proxy.conf.json
@@ -1,9 +1,11 @@
 {
   "/api": {
-    "target": "http://localhost:8123",
+    "target": "http://localhost:5302",
     "secure": false,
     "changeOrigin": true,
-    "pathRewrite": { "^/api": "" },
+    "pathRewrite": {
+      "^/api": ""
+    },
     "ws": true
   }
 }
diff --git a/cockpit/langgraph/memory/angular/e2e/fixtures/memory.json b/cockpit/langgraph/memory/angular/e2e/fixtures/memory.json
new file mode 100644
index 00000000..2ee8f223
--- /dev/null
+++ b/cockpit/langgraph/memory/angular/e2e/fixtures/memory.json
@@ -0,0 +1,18 @@
+{
+  "fixtures": [
+    {
+      "match": {
+        "userMessage": "Hello"
+      },
+      "response": {
+        "content": "Hi \u2014 nice to meet you! How can I help today? If you like, tell me your name or anything you want me to remember for future chats."
+      }
+    },
+    {
+      "match": {},
+      "response": {
+        "content": "{}"
+      }
+    }
+  ]
+}
\ No newline at end of file
diff --git a/cockpit/langgraph/memory/angular/e2e/global-setup-impl.ts b/cockpit/langgraph/memory/angular/e2e/global-setup-impl.ts
new file mode 100644
index 00000000..175d6275
--- /dev/null
+++ b/cockpit/langgraph/memory/angular/e2e/global-setup-impl.ts
@@ -0,0 +1,11 @@
+// SPDX-License-Identifier: MIT
+import { resolve } from 'node:path';
+import { createGlobalSetup } from '../../../../../libs/e2e-harness/src';
+
+export default createGlobalSetup({
+  langgraphCwd: 'cockpit/langgraph/memory/python',
+  langgraphPort: 5303,
+  angularProject: 'cockpit-langgraph-memory-angular',
+  angularPort: 4303,
+  fixturesDir: resolve(__dirname, 'fixtures'),
+});
diff --git a/cockpit/langgraph/memory/angular/e2e/memory.spec.ts b/cockpit/langgraph/memory/angular/e2e/memory.spec.ts
new file mode 100644
index 00000000..cbb237ef
--- /dev/null
+++ b/cockpit/langgraph/memory/angular/e2e/memory.spec.ts
@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: MIT
+import { test, expect } from '@playwright/test';
+import { submitAndWaitForResponse } from '../../../../../libs/e2e-harness/src';
+
+test('memory: hello prompt produces assistant turn', async ({ page }) => {
+  const bubble = await submitAndWaitForResponse(page, 'Hello');
+  // Smoke: backend booted, aimock replayed fixture, assistant bubble
+  // finalized (data-streaming="false") and is present in the DOM.
+  await expect(bubble).toBeVisible();
+});
diff --git a/cockpit/langgraph/memory/angular/e2e/playwright.config.ts b/cockpit/langgraph/memory/angular/e2e/playwright.config.ts
new file mode 100644
index 00000000..c9ac8499
--- /dev/null
+++ b/cockpit/langgraph/memory/angular/e2e/playwright.config.ts
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: MIT
+import { defineConfig, devices } from '@playwright/test';
+
+export default defineConfig({
+  testDir: '.',
+  testMatch: '**/*.spec.ts',
+  fullyParallel: false,
+  workers: 1,
+  retries: process.env.CI ? 2 : 0,
+  reporter: process.env.CI ? [['list'], ['html', { open: 'never' }]] : 'list',
+  use: {
+    baseURL: 'http://localhost:4303',
+    trace: 'retain-on-failure',
+  },
+  projects: [{ name: 'chromium', use: { ...devices['Desktop Chrome'] } }],
+  globalSetup: './global-setup-impl.ts',
+  globalTeardown: require.resolve('../../../../../libs/e2e-harness/src/global-teardown'),
+});
diff --git a/cockpit/langgraph/memory/angular/e2e/tsconfig.json b/cockpit/langgraph/memory/angular/e2e/tsconfig.json
new file mode 100644
index 00000000..0b5aeecb
--- /dev/null
+++ b/cockpit/langgraph/memory/angular/e2e/tsconfig.json
@@ -0,0 +1,14 @@
+{
+  "compilerOptions": {
+    "target": "ES2022",
+    "module": "ES2022",
+    "moduleResolution": "Bundler",
+    "esModuleInterop": true,
+    "strict": true,
+    "skipLibCheck": true,
+    "noEmit": true,
+    "types": ["node"]
+  },
+  "include": ["**/*.ts"],
+  "exclude": ["node_modules", "test-results", "playwright-report"]
+}
diff --git a/cockpit/langgraph/memory/angular/project.json b/cockpit/langgraph/memory/angular/project.json
index a097b991..4ca8d9ab 100644
--- a/cockpit/langgraph/memory/angular/project.json
+++ b/cockpit/langgraph/memory/angular/project.json
@@ -87,6 +87,12 @@
         "cwd": "cockpit/langgraph/memory/angular",
         "command": "npx tsx -e \"import { langgraphMemoryAngularModule } from './src/index.ts'; const module = langgraphMemoryAngularModule; if (module.id !== 'langgraph-memory-angular' || module.title !== 'LangGraph Memory (Angular)') { throw new Error('Unexpected module shape for ' + module.id); }\""
       }
+    },
+    "e2e": {
+      "executor": "@nx/playwright:playwright",
+      "options": {
+        "config": "cockpit/langgraph/memory/angular/e2e/playwright.config.ts"
+      }
     }
   }
 }
diff --git a/cockpit/langgraph/memory/angular/proxy.conf.json b/cockpit/langgraph/memory/angular/proxy.conf.json
index 8523362d..2ccccc5c 100644
--- a/cockpit/langgraph/memory/angular/proxy.conf.json
+++ b/cockpit/langgraph/memory/angular/proxy.conf.json
@@ -1,9 +1,11 @@
 {
   "/api": {
-    "target": "http://localhost:8123",
+    "target": "http://localhost:5303",
     "secure": false,
     "changeOrigin": true,
-    "pathRewrite": { "^/api": "" },
+    "pathRewrite": {
+      "^/api": ""
+    },
     "ws": true
   }
 }
diff --git a/cockpit/langgraph/persistence/angular/e2e/fixtures/persistence.json b/cockpit/langgraph/persistence/angular/e2e/fixtures/persistence.json
new file mode 100644
index 00000000..0d91089d
--- /dev/null
+++ b/cockpit/langgraph/persistence/angular/e2e/fixtures/persistence.json
@@ -0,0 +1,12 @@
+{
+  "fixtures": [
+    {
+      "match": {
+        "userMessage": "Hello"
+      },
+      "response": {
+        "content": "Hi \u2014 how can I help you today?"
+      }
+    }
+  ]
+}
\ No newline at end of file
diff --git a/cockpit/langgraph/persistence/angular/e2e/global-setup-impl.ts b/cockpit/langgraph/persistence/angular/e2e/global-setup-impl.ts
new file mode 100644
index 00000000..bec93349
--- /dev/null
+++ b/cockpit/langgraph/persistence/angular/e2e/global-setup-impl.ts
@@ -0,0 +1,11 @@
+// SPDX-License-Identifier: MIT
+import { resolve } from 'node:path';
+import { createGlobalSetup } from '../../../../../libs/e2e-harness/src';
+
+export default createGlobalSetup({
+  langgraphCwd: 'cockpit/langgraph/persistence/python',
+  langgraphPort: 5301,
+  angularProject: 'cockpit-langgraph-persistence-angular',
+  angularPort: 4301,
+  fixturesDir: resolve(__dirname, 'fixtures'),
+});
diff --git a/cockpit/langgraph/persistence/angular/e2e/persistence.spec.ts b/cockpit/langgraph/persistence/angular/e2e/persistence.spec.ts
new file mode 100644
index 00000000..1c7c9342
--- /dev/null
+++ b/cockpit/langgraph/persistence/angular/e2e/persistence.spec.ts
@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: MIT
+import { test, expect } from '@playwright/test';
+import { submitAndWaitForResponse } from '../../../../../libs/e2e-harness/src';
+
+test('persistence: hello prompt produces assistant turn', async ({ page }) => {
+  const bubble = await submitAndWaitForResponse(page, 'Hello');
+  // Smoke: backend booted, aimock replayed fixture, assistant bubble
+  // finalized (data-streaming="false") and is present in the DOM.
+  await expect(bubble).toBeVisible();
+});
diff --git a/cockpit/langgraph/persistence/angular/e2e/playwright.config.ts b/cockpit/langgraph/persistence/angular/e2e/playwright.config.ts
new file mode 100644
index 00000000..0f924be4
--- /dev/null
+++ b/cockpit/langgraph/persistence/angular/e2e/playwright.config.ts
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: MIT
+import { defineConfig, devices } from '@playwright/test';
+
+export default defineConfig({
+  testDir: '.',
+  testMatch: '**/*.spec.ts',
+  fullyParallel: false,
+  workers: 1,
+  retries: process.env.CI ? 2 : 0,
+  reporter: process.env.CI ? [['list'], ['html', { open: 'never' }]] : 'list',
+  use: {
+    baseURL: 'http://localhost:4301',
+    trace: 'retain-on-failure',
+  },
+  projects: [{ name: 'chromium', use: { ...devices['Desktop Chrome'] } }],
+  globalSetup: './global-setup-impl.ts',
+  globalTeardown: require.resolve('../../../../../libs/e2e-harness/src/global-teardown'),
+});
diff --git a/cockpit/langgraph/persistence/angular/e2e/tsconfig.json b/cockpit/langgraph/persistence/angular/e2e/tsconfig.json
new file mode 100644
index 00000000..0b5aeecb
--- /dev/null
+++ b/cockpit/langgraph/persistence/angular/e2e/tsconfig.json
@@ -0,0 +1,14 @@
+{
+  "compilerOptions": {
+    "target": "ES2022",
+    "module": "ES2022",
+    "moduleResolution": "Bundler",
+    "esModuleInterop": true,
+    "strict": true,
+    "skipLibCheck": true,
+    "noEmit": true,
+    "types": ["node"]
+  },
+  "include": ["**/*.ts"],
+  "exclude": ["node_modules", "test-results", "playwright-report"]
+}
diff --git a/cockpit/langgraph/persistence/angular/project.json b/cockpit/langgraph/persistence/angular/project.json
index 32cee184..f2889f8c 100644
--- a/cockpit/langgraph/persistence/angular/project.json
+++ b/cockpit/langgraph/persistence/angular/project.json
@@ -87,6 +87,12 @@
         "cwd": "cockpit/langgraph/persistence/angular",
         "command": "npx tsx -e \"import { langgraphPersistenceAngularModule } from './src/index.ts'; const module = langgraphPersistenceAngularModule; if (module.id !== 'langgraph-persistence-angular' || module.title !== 'LangGraph Persistence (Angular)') { throw new Error('Unexpected module shape for ' + module.id); }\""
       }
+    },
+    "e2e": {
+      "executor": "@nx/playwright:playwright",
+      "options": {
+        "config": "cockpit/langgraph/persistence/angular/e2e/playwright.config.ts"
+      }
     }
   }
 }
diff --git a/cockpit/langgraph/persistence/angular/proxy.conf.json b/cockpit/langgraph/persistence/angular/proxy.conf.json
index 8523362d..dbab65e0 100644
--- a/cockpit/langgraph/persistence/angular/proxy.conf.json
+++ b/cockpit/langgraph/persistence/angular/proxy.conf.json
@@ -1,9 +1,11 @@
 {
   "/api": {
-    "target": "http://localhost:8123",
+    "target": "http://localhost:5301",
     "secure": false,
     "changeOrigin": true,
-    "pathRewrite": { "^/api": "" },
+    "pathRewrite": {
+      "^/api": ""
+    },
     "ws": true
   }
 }
diff --git a/cockpit/langgraph/streaming/angular/e2e/global-setup-impl.ts b/cockpit/langgraph/streaming/angular/e2e/global-setup-impl.ts
index 76fb474d..66e5fcbe 100644
--- a/cockpit/langgraph/streaming/angular/e2e/global-setup-impl.ts
+++ b/cockpit/langgraph/streaming/angular/e2e/global-setup-impl.ts
@@ -4,6 +4,7 @@ import { createGlobalSetup } from '../../../../../libs/e2e-harness/src';
 
 export default createGlobalSetup({
   langgraphCwd: 'cockpit/langgraph/streaming/python',
+  langgraphPort: 5300,
   angularProject: 'cockpit-langgraph-streaming-angular',
   angularPort: 4300,
   fixturesDir: resolve(__dirname, 'fixtures'),
diff --git a/cockpit/langgraph/streaming/angular/proxy.conf.json b/cockpit/langgraph/streaming/angular/proxy.conf.json
index 8523362d..65d40b4b 100644
--- a/cockpit/langgraph/streaming/angular/proxy.conf.json
+++ b/cockpit/langgraph/streaming/angular/proxy.conf.json
@@ -1,9 +1,11 @@
 {
   "/api": {
-    "target": "http://localhost:8123",
+    "target": "http://localhost:5300",
     "secure": false,
     "changeOrigin": true,
-    "pathRewrite": { "^/api": "" },
+    "pathRewrite": {
+      "^/api": ""
+    },
     "ws": true
   }
 }
diff --git a/cockpit/langgraph/subgraphs/angular/e2e/fixtures/subgraphs.json b/cockpit/langgraph/subgraphs/angular/e2e/fixtures/subgraphs.json
new file mode 100644
index 00000000..9622bf64
--- /dev/null
+++ b/cockpit/langgraph/subgraphs/angular/e2e/fixtures/subgraphs.json
@@ -0,0 +1,12 @@
+{
+  "fixtures": [
+    {
+      "match": {
+        "userMessage": "Hello"
+      },
+      "response": {
+        "content": "Hello \u2014 nice to meet you. What would you like help with today?\n\nTell me the specific question or topic and any preferences (depth: quick summary vs deep dive, date range, types of sources, format: bullet list, tutorial, pros/cons, citations). Example: \u201cCompare CRISPR vs base editors for somatic therapy, include clinical trials since 2020 and cite sources.\u201d\n\nOnce you reply I\u2019ll prepare and run a focused research query and return the findings."
+      }
+    }
+  ]
+}
\ No newline at end of file
diff --git a/cockpit/langgraph/subgraphs/angular/e2e/global-setup-impl.ts b/cockpit/langgraph/subgraphs/angular/e2e/global-setup-impl.ts
new file mode 100644
index 00000000..3a1a1558
--- /dev/null
+++ b/cockpit/langgraph/subgraphs/angular/e2e/global-setup-impl.ts
@@ -0,0 +1,11 @@
+// SPDX-License-Identifier: MIT
+import { resolve } from 'node:path';
+import { createGlobalSetup } from '../../../../../libs/e2e-harness/src';
+
+export default createGlobalSetup({
+  langgraphCwd: 'cockpit/langgraph/subgraphs/python',
+  langgraphPort: 5305,
+  angularProject: 'cockpit-langgraph-subgraphs-angular',
+  angularPort: 4305,
+  fixturesDir: resolve(__dirname, 'fixtures'),
+});
diff --git a/cockpit/langgraph/subgraphs/angular/e2e/playwright.config.ts b/cockpit/langgraph/subgraphs/angular/e2e/playwright.config.ts
new file mode 100644
index 00000000..1c8f5a8e
--- /dev/null
+++ b/cockpit/langgraph/subgraphs/angular/e2e/playwright.config.ts
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: MIT
+import { defineConfig, devices } from '@playwright/test';
+
+export default defineConfig({
+  testDir: '.',
+  testMatch: '**/*.spec.ts',
+  fullyParallel: false,
+  workers: 1,
+  retries: process.env.CI ? 2 : 0,
+  reporter: process.env.CI ? [['list'], ['html', { open: 'never' }]] : 'list',
+  use: {
+    baseURL: 'http://localhost:4305',
+    trace: 'retain-on-failure',
+  },
+  projects: [{ name: 'chromium', use: { ...devices['Desktop Chrome'] } }],
+  globalSetup: './global-setup-impl.ts',
+  globalTeardown: require.resolve('../../../../../libs/e2e-harness/src/global-teardown'),
+});
diff --git a/cockpit/langgraph/subgraphs/angular/e2e/subgraphs.spec.ts b/cockpit/langgraph/subgraphs/angular/e2e/subgraphs.spec.ts
new file mode 100644
index 00000000..7609f17d
--- /dev/null
+++ b/cockpit/langgraph/subgraphs/angular/e2e/subgraphs.spec.ts
@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: MIT
+import { test, expect } from '@playwright/test';
+import { submitAndWaitForResponse } from '../../../../../libs/e2e-harness/src';
+
+test('subgraphs: hello prompt produces assistant turn', async ({ page }) => {
+  const bubble = await submitAndWaitForResponse(page, 'Hello');
+  // Smoke: backend booted, aimock replayed fixture, assistant bubble
+  // finalized (data-streaming="false") and is present in the DOM.
+  await expect(bubble).toBeVisible();
+});
diff --git a/cockpit/langgraph/subgraphs/angular/e2e/tsconfig.json b/cockpit/langgraph/subgraphs/angular/e2e/tsconfig.json
new file mode 100644
index 00000000..0b5aeecb
--- /dev/null
+++ b/cockpit/langgraph/subgraphs/angular/e2e/tsconfig.json
@@ -0,0 +1,14 @@
+{
+  "compilerOptions": {
+    "target": "ES2022",
+    "module": "ES2022",
+    "moduleResolution": "Bundler",
+    "esModuleInterop": true,
+    "strict": true,
+    "skipLibCheck": true,
+    "noEmit": true,
+    "types": ["node"]
+  },
+  "include": ["**/*.ts"],
+  "exclude": ["node_modules", "test-results", "playwright-report"]
+}
diff --git a/cockpit/langgraph/subgraphs/angular/project.json b/cockpit/langgraph/subgraphs/angular/project.json
index 4171db44..66926438 100644
--- a/cockpit/langgraph/subgraphs/angular/project.json
+++ b/cockpit/langgraph/subgraphs/angular/project.json
@@ -87,6 +87,12 @@
         "cwd": "cockpit/langgraph/subgraphs/angular",
         "command": "npx tsx -e \"import { langgraphSubgraphsAngularModule } from './src/index.ts'; const module = langgraphSubgraphsAngularModule; if (module.id !== 'langgraph-subgraphs-angular' || module.title !== 'LangGraph Subgraphs (Angular)') { throw new Error('Unexpected module shape for ' + module.id); }\""
       }
+    },
+    "e2e": {
+      "executor": "@nx/playwright:playwright",
+      "options": {
+        "config": "cockpit/langgraph/subgraphs/angular/e2e/playwright.config.ts"
+      }
     }
   }
 }
diff --git a/cockpit/langgraph/subgraphs/angular/proxy.conf.json b/cockpit/langgraph/subgraphs/angular/proxy.conf.json
index 8523362d..47e38550 100644
--- a/cockpit/langgraph/subgraphs/angular/proxy.conf.json
+++ b/cockpit/langgraph/subgraphs/angular/proxy.conf.json
@@ -1,9 +1,11 @@
 {
   "/api": {
-    "target": "http://localhost:8123",
+    "target": "http://localhost:5305",
     "secure": false,
     "changeOrigin": true,
-    "pathRewrite": { "^/api": "" },
+    "pathRewrite": {
+      "^/api": ""
+    },
     "ws": true
   }
 }
diff --git a/cockpit/langgraph/time-travel/angular/e2e/fixtures/time-travel.json b/cockpit/langgraph/time-travel/angular/e2e/fixtures/time-travel.json
new file mode 100644
index 00000000..b72a2018
--- /dev/null
+++ b/cockpit/langgraph/time-travel/angular/e2e/fixtures/time-travel.json
@@ -0,0 +1,12 @@
+{
+  "fixtures": [
+    {
+      "match": {
+        "userMessage": "Hello"
+      },
+      "response": {
+        "content": "Hi! How can I help you today?\n\nQuick note: every response here is saved as a checkpoint snapshot. If you want to explore a different path later, you can inspect the conversation history and branch from any previous checkpoint using stream.setBranch(checkpointId) to create an alternate timeline."
+      }
+    }
+  ]
+}
\ No newline at end of file
diff --git a/cockpit/langgraph/time-travel/angular/e2e/global-setup-impl.ts b/cockpit/langgraph/time-travel/angular/e2e/global-setup-impl.ts
new file mode 100644
index 00000000..c4f98881
--- /dev/null
+++ b/cockpit/langgraph/time-travel/angular/e2e/global-setup-impl.ts
@@ -0,0 +1,11 @@
+// SPDX-License-Identifier: MIT
+import { resolve } from 'node:path';
+import { createGlobalSetup } from '../../../../../libs/e2e-harness/src';
+
+export default createGlobalSetup({
+  langgraphCwd: 'cockpit/langgraph/time-travel/python',
+  langgraphPort: 5306,
+  angularProject: 'cockpit-langgraph-time-travel-angular',
+  angularPort: 4306,
+  fixturesDir: resolve(__dirname, 'fixtures'),
+});
diff --git a/cockpit/langgraph/time-travel/angular/e2e/playwright.config.ts b/cockpit/langgraph/time-travel/angular/e2e/playwright.config.ts
new file mode 100644
index 00000000..dfb767b2
--- /dev/null
+++ b/cockpit/langgraph/time-travel/angular/e2e/playwright.config.ts
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: MIT
+import { defineConfig, devices } from '@playwright/test';
+
+export default defineConfig({
+  testDir: '.',
+  testMatch: '**/*.spec.ts',
+  fullyParallel: false,
+  workers: 1,
+  retries: process.env.CI ? 2 : 0,
+  reporter: process.env.CI ? [['list'], ['html', { open: 'never' }]] : 'list',
+  use: {
+    baseURL: 'http://localhost:4306',
+    trace: 'retain-on-failure',
+  },
+  projects: [{ name: 'chromium', use: { ...devices['Desktop Chrome'] } }],
+  globalSetup: './global-setup-impl.ts',
+  globalTeardown: require.resolve('../../../../../libs/e2e-harness/src/global-teardown'),
+});
diff --git a/cockpit/langgraph/time-travel/angular/e2e/time-travel.spec.ts b/cockpit/langgraph/time-travel/angular/e2e/time-travel.spec.ts
new file mode 100644
index 00000000..2b6b579e
--- /dev/null
+++ b/cockpit/langgraph/time-travel/angular/e2e/time-travel.spec.ts
@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: MIT
+import { test, expect } from '@playwright/test';
+import { submitAndWaitForResponse } from '../../../../../libs/e2e-harness/src';
+
+test('time-travel: hello prompt produces assistant turn', async ({ page }) => {
+  const bubble = await submitAndWaitForResponse(page, 'Hello');
+  // Smoke: backend booted, aimock replayed fixture, assistant bubble
+  // finalized (data-streaming="false") and is present in the DOM.
+  await expect(bubble).toBeVisible();
+});
diff --git a/cockpit/langgraph/time-travel/angular/e2e/tsconfig.json b/cockpit/langgraph/time-travel/angular/e2e/tsconfig.json
new file mode 100644
index 00000000..0b5aeecb
--- /dev/null
+++ b/cockpit/langgraph/time-travel/angular/e2e/tsconfig.json
@@ -0,0 +1,14 @@
+{
+  "compilerOptions": {
+    "target": "ES2022",
+    "module": "ES2022",
+    "moduleResolution": "Bundler",
+    "esModuleInterop": true,
+    "strict": true,
+    "skipLibCheck": true,
+    "noEmit": true,
+    "types": ["node"]
+  },
+  "include": ["**/*.ts"],
+  "exclude": ["node_modules", "test-results", "playwright-report"]
+}
diff --git a/cockpit/langgraph/time-travel/angular/project.json b/cockpit/langgraph/time-travel/angular/project.json
index c4a763db..4e287272 100644
--- a/cockpit/langgraph/time-travel/angular/project.json
+++ b/cockpit/langgraph/time-travel/angular/project.json
@@ -87,6 +87,12 @@
         "cwd": "cockpit/langgraph/time-travel/angular",
         "command": "npx tsx -e \"import { langgraphTimeTravelAngularModule } from './src/index.ts'; const module = langgraphTimeTravelAngularModule; if (module.id !== 'langgraph-time-travel-angular' || module.title !== 'LangGraph Time Travel (Angular)') { throw new Error('Unexpected module shape for ' + module.id); }\""
       }
+    },
+    "e2e": {
+      "executor": "@nx/playwright:playwright",
+      "options": {
+        "config": "cockpit/langgraph/time-travel/angular/e2e/playwright.config.ts"
+      }
     }
   }
 }
diff --git a/cockpit/langgraph/time-travel/angular/proxy.conf.json b/cockpit/langgraph/time-travel/angular/proxy.conf.json
index 8523362d..78ddc28b 100644
--- a/cockpit/langgraph/time-travel/angular/proxy.conf.json
+++ b/cockpit/langgraph/time-travel/angular/proxy.conf.json
@@ -1,9 +1,11 @@
 {
   "/api": {
-    "target": "http://localhost:8123",
+    "target": "http://localhost:5306",
     "secure": false,
     "changeOrigin": true,
-    "pathRewrite": { "^/api": "" },
+    "pathRewrite": {
+      "^/api": ""
+    },
     "ws": true
   }
 }
diff --git a/scripts/record-aimock-cap.sh b/scripts/record-aimock-cap.sh
new file mode 100755
index 00000000..1d714dec
--- /dev/null
+++ b/scripts/record-aimock-cap.sh
@@ -0,0 +1,179 @@
+#!/usr/bin/env bash
+# SPDX-License-Identifier: MIT
+#
+# Generic aimock fixture recorder for a single cockpit cap.
+# Reads cap metadata from apps/cockpit/scripts/capability-registry.ts via tsx,
+# drives one or more prompts through aimock --record mode, merges captured
+# fixtures into the cap's e2e/fixtures/<id>.json.
+#
+# Usage:
+#   OPENAI_API_KEY=sk-... bash scripts/record-aimock-cap.sh <cap-id> "<prompt1>" ["<prompt2>" ...]
+#
+# Example:
+#   OPENAI_API_KEY=sk-... bash scripts/record-aimock-cap.sh persistence "Hello"
+#
+# Throwaway tool. Delete after the langgraph batch lands.
+set -euo pipefail
+
+CAP_ID="${1:?cap id required as first arg}"
+shift
+if [[ $# -eq 0 ]]; then
+  echo "Error: at least one prompt required" >&2
+  exit 1
+fi
+PROMPTS=("$@")
+
+REPO_ROOT="$(cd "$(dirname "$0")/.." && pwd)"
+cd "$REPO_ROOT"
+
+# Look up cap metadata via the registry.
+read -r CAP_PRODUCT CAP_TOPIC CAP_GRAPH CAP_PORT CAP_PYPORT CAP_PYDIR < <(npx tsx -e "
+import { capabilities } from './apps/cockpit/scripts/capability-registry';
+const c = capabilities.find(x => x.id === '$CAP_ID');
+if (!c) { console.error('cap not found: $CAP_ID'); process.exit(1); }
+if (!c.pythonDir || c.pythonPort === undefined) { console.error('cap missing pythonDir/pythonPort'); process.exit(1); }
+console.log(c.product, c.topic, c.graphName, c.port, c.pythonPort, c.pythonDir);
+")
+
+if [[ -z "${OPENAI_API_KEY:-}" ]]; then
+  for env_path in examples/chat/python/.env "$CAP_PYDIR/.env"; do
+    if [[ -f "$env_path" ]]; then
+      set -a; source "$env_path"; set +a
+      break
+    fi
+  done
+fi
+if [[ -z "${OPENAI_API_KEY:-}" ]]; then
+  echo "OPENAI_API_KEY not set (in env or examples/chat/python/.env)" >&2
+  exit 1
+fi
+
+AIMOCK_PORT=$((19000 + RANDOM % 900))
+LANGGRAPH_PORT="$CAP_PYPORT"
+FIXTURE_OUT="cockpit/$CAP_PRODUCT/$CAP_TOPIC/angular/e2e/fixtures/${CAP_ID}.json"
+RECORD_DIR="$(pwd)/cockpit/$CAP_PRODUCT/$CAP_TOPIC/angular/e2e/fixtures/.staging"
+rm -rf "$RECORD_DIR"
+mkdir -p "$RECORD_DIR" "$(dirname "$FIXTURE_OUT")"
+TMP_DIR="$(mktemp -d)"
+trap 'rm -rf "$TMP_DIR"' EXIT
+
+if [[ -f "examples/chat/python/.env" && ! -f "$CAP_PYDIR/.env" ]]; then
+  cp examples/chat/python/.env "$CAP_PYDIR/.env"
+fi
+
+# Free the ports if anything still listens (prior aborted record).
+for p in "$AIMOCK_PORT" "$LANGGRAPH_PORT"; do
+  pid=$(lsof -ti:$p 2>/dev/null || true)
+  if [[ -n "$pid" ]]; then
+    kill -9 $pid 2>/dev/null || true
+    sleep 0.5
+  fi
+done
+
+echo "[record] starting aimock --record on :$AIMOCK_PORT for $CAP_ID"
+npx -y -p @copilotkit/aimock llmock \
+  --port "$AIMOCK_PORT" \
+  --record \
+  --provider-openai https://api.openai.com \
+  --fixtures "$RECORD_DIR" \
+  --chunk-size 4096 \
+  > "$TMP_DIR/aimock.log" 2>&1 &
+AIMOCK_PID=$!
+
+cleanup() {
+  if [[ -n "${LG_PID:-}" ]]; then
+    pkill -P "$LG_PID" 2>/dev/null || true
+    kill "$LG_PID" 2>/dev/null || true
+  fi
+  kill "$AIMOCK_PID" 2>/dev/null || true
+  wait 2>/dev/null || true
+  rm -rf "$TMP_DIR"
+}
+trap cleanup EXIT
+
+for _ in {1..30}; do
+  if curl -sf "http://127.0.0.1:$AIMOCK_PORT/health" > /dev/null 2>&1 \
+    || curl -sf "http://127.0.0.1:$AIMOCK_PORT/" > /dev/null 2>&1; then break; fi
+  sleep 1
+done
+echo "[record] aimock ready"
+
+echo "[record] starting langgraph dev on :$LANGGRAPH_PORT"
+RUN_PREFIX=""
+if command -v setsid >/dev/null 2>&1; then RUN_PREFIX="setsid"; fi
+(
+  cd "$CAP_PYDIR"
+  OPENAI_BASE_URL="http://127.0.0.1:$AIMOCK_PORT/v1" OPENAI_API_KEY="$OPENAI_API_KEY" \
+    exec $RUN_PREFIX uv run langgraph dev --port "$LANGGRAPH_PORT" --no-browser
+) > "$TMP_DIR/langgraph.log" 2>&1 &
+LG_PID=$!
+
+for _ in {1..60}; do
+  if curl -sf "http://127.0.0.1:$LANGGRAPH_PORT/ok" > /dev/null; then break; fi
+  sleep 1
+done
+if ! curl -sf "http://127.0.0.1:$LANGGRAPH_PORT/ok" > /dev/null; then
+  echo "[record] langgraph failed to start; tail of log:" >&2
+  tail -30 "$TMP_DIR/langgraph.log" >&2
+  exit 2
+fi
+echo "[record] langgraph ready (graph_id=$CAP_GRAPH)"
+
+drive_prompt() {
+  local prompt="$1"
+  echo "[record][$prompt] thread + run"
+  local thread run
+  thread=$(curl -sf -X POST "http://127.0.0.1:$LANGGRAPH_PORT/threads" \
+    -H 'content-type: application/json' -d '{}' \
+    | python3 -c 'import sys,json; print(json.load(sys.stdin)["thread_id"])')
+  run=$(curl -sf -X POST "http://127.0.0.1:$LANGGRAPH_PORT/threads/$thread/runs" \
+    -H 'content-type: application/json' \
+    -d "{\"assistant_id\": \"$CAP_GRAPH\", \"input\": {\"messages\": [{\"role\": \"user\", \"content\": \"$prompt\"}]}}" \
+    | python3 -c 'import sys,json; print(json.load(sys.stdin)["run_id"])')
+  local status=""
+  for _ in {1..120}; do
+    status=$(curl -sf "http://127.0.0.1:$LANGGRAPH_PORT/threads/$thread/runs/$run" \
+      | python3 -c 'import sys,json; print(json.load(sys.stdin).get("status",""))')
+    case "$status" in
+      success|error|timeout|interrupted) break ;;
+    esac
+    sleep 2
+  done
+  if [[ "$status" != "success" && "$status" != "interrupted" ]]; then
+    echo "[record][$prompt] run reached unexpected status=$status" >&2
+    tail -40 "$TMP_DIR/langgraph.log" >&2
+    exit 3
+  fi
+  echo "[record][$prompt] status=$status"
+}
+
+for p in "${PROMPTS[@]}"; do
+  drive_prompt "$p"
+done
+
+sleep 2
+
+RECORDED_DIR="$RECORD_DIR/recorded"
+if [[ ! -d "$RECORDED_DIR" ]]; then
+  echo "[record] no recorded fixtures dir at $RECORDED_DIR" >&2
+  tail -40 "$TMP_DIR/aimock.log" >&2
+  exit 5
+fi
+N=$(find "$RECORDED_DIR" -name "*.json" | wc -l | tr -d ' ')
+echo "[record] $N recorded files in $RECORDED_DIR"
+
+python3 - <<PYEOF
+import json, os, glob
+recorded = sorted(glob.glob(os.path.join(r"$RECORDED_DIR", "*.json")))
+merged = {"fixtures": []}
+for f in recorded:
+    with open(f) as fh:
+        data = json.load(fh)
+    merged["fixtures"].extend(data.get("fixtures", []))
+with open(r"$FIXTURE_OUT", "w") as fh:
+    json.dump(merged, fh, indent=2)
+print(f"[record] merged {len(merged['fixtures'])} entries into $FIXTURE_OUT")
+PYEOF
+
+rm -rf "$RECORD_DIR"
+echo "[record] done: $FIXTURE_OUT ($(wc -c < "$FIXTURE_OUT") bytes)"