chore: scaffold reddit-post Playwright sidecar project

sidecars/reddit-post/.gitignore

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+node_modules/
+test-results/
+playwright-report/

sidecars/reddit-post/README.md

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+# Reddit Post Sidecar
+
+A Playwright acceptance test that logs into Reddit with supplied credentials
+and creates a text post in a given subreddit.
+
+## One-time setup
+
+    cd sidecars/reddit-post
+    npm install
+    npx playwright install chromium
+
+## Usage
+
+    ./run.sh --username=YOUR_USERNAME --password=YOUR_PASSWORD \
+      --subreddit=test --title="Hello" --body="Post body text" [--headed]
+
+Prints a single JSON line to stdout and exits 0 on success, exits 1 on
+failure:
+
+    {"success": true, "url": "https://www.reddit.com/r/test/comments/.../"}
+    {"success": false, "error": "Login did not complete — possible CAPTCHA or 2FA prompt"}

sidecars/reddit-post/package-lock.json

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+{
+  "name": "reddit-post-sidecar",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "reddit-post-sidecar",
+      "version": "1.0.0",
+      "devDependencies": {
+        "@playwright/test": "^1.61.1"
+      }
+    },
+    "node_modules/@playwright/test": {
+      "version": "1.61.1",
+      "resolved": "https://registry.npmjs.org/@playwright/test/-/test-1.61.1.tgz",
+      "integrity": "sha512-8nKv6+0RJSL9FE4jYOEGXnPeM/Hg12qZpmqzZjRh3qM0Y7c3z1mrOTfFLids72RDQYVh9WpLEfR5WdpNX4fkig==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "dependencies": {
+        "playwright": "1.61.1"
+      },
+      "bin": {
+        "playwright": "cli.js"
+      },
+      "engines": {
+        "node": ">=18"
+      }
+    },
+    "node_modules/fsevents": {
+      "version": "2.3.2",
+      "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.3.2.tgz",
+      "integrity": "sha512-xiqMQR4xAeHTuB9uWm+fFRcIOgKBMiOBP+eXiyT7jsgVCq1bkVygt00oASowB7EdtpOHaaPgKt812P9ab+DDKA==",
+      "dev": true,
+      "hasInstallScript": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "darwin"
+      ],
+      "engines": {
+        "node": "^8.16.0 || ^10.6.0 || >=11.0.0"
+      }
+    },
+    "node_modules/playwright": {
+      "version": "1.61.1",
+      "resolved": "https://registry.npmjs.org/playwright/-/playwright-1.61.1.tgz",
+      "integrity": "sha512-DWnY5o3YbLWK4GovuAVwpqL+1VwGNdUGrRr++8j8PtQQzvAVZUIMjKQ90fY689sEJZJBbZVw1rXaOKSTitkzPQ==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "dependencies": {
+        "playwright-core": "1.61.1"
+      },
+      "bin": {
+        "playwright": "cli.js"
+      },
+      "engines": {
+        "node": ">=18"
+      },
+      "optionalDependencies": {
+        "fsevents": "2.3.2"
+      }
+    },
+    "node_modules/playwright-core": {
+      "version": "1.61.1",
+      "resolved": "https://registry.npmjs.org/playwright-core/-/playwright-core-1.61.1.tgz",
+      "integrity": "sha512-h7Qlt6m4REp25qvIdvbDtVmD4LqVXfpRxhORv9L0jzETM05p4fuPJ3dKyuSXQxDSbXnmS79HAgi9589lGSpLkg==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "bin": {
+        "playwright-core": "cli.js"
+      },
+      "engines": {
+        "node": ">=18"
+      }
+    }
+  }
+}

sidecars/reddit-post/package.json

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+{
+  "name": "reddit-post-sidecar",
+  "private": true,
+  "version": "1.0.0",
+  "description": "Playwright acceptance test that logs into Reddit and creates a text post, invoked via run.sh",
+  "scripts": {
+    "test": "playwright test"
+  },
+  "devDependencies": {
+    "@playwright/test": "^1.61.1"
+  }
+}

sidecars/reddit-post/playwright.config.js

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+// @ts-check
+const { defineConfig, devices } = require('@playwright/test');
+
+module.exports = defineConfig({
+  testDir: './tests',
+  timeout: 60_000,
+  expect: { timeout: 15_000 },
+  retries: 0,
+  reporter: [['list']],
+  use: {
+    headless: process.env.HEADLESS !== 'false',
+    screenshot: 'only-on-failure',
+    trace: 'retain-on-failure',
+  },
+  projects: [
+    {
+      name: 'chromium',
+      use: { ...devices['Desktop Chrome'] },
+    },
+  ],
+});