Add X integration skill (#52)

.claude/skills/x-integration/scripts/post.ts

@@ -0,0 +1,66 @@
+#!/usr/bin/env npx tsx
+/**
+ * X Integration - Post Tweet
+ * Usage: echo '{"content":"Hello world"}' | npx tsx post.ts
+ */
+
+import { getBrowserContext, runScript, validateContent, config, ScriptResult } from '../lib/browser.js';
+
+interface PostInput {
+  content: string;
+}
+
+async function postTweet(input: PostInput): Promise<ScriptResult> {
+  const { content } = input;
+
+  const validationError = validateContent(content, 'Tweet');
+  if (validationError) return validationError;
+
+  let context = null;
+  try {
+    context = await getBrowserContext();
+    const page = context.pages()[0] || await context.newPage();
+
+    await page.goto('https://x.com/home', { timeout: config.timeouts.navigation, waitUntil: 'domcontentloaded' });
+    await page.waitForTimeout(config.timeouts.pageLoad);
+
+    // Check if logged in
+    const isLoggedIn = await page.locator('[data-testid="SideNav_AccountSwitcher_Button"]').isVisible().catch(() => false);
+    if (!isLoggedIn) {
+      const onLoginPage = await page.locator('input[autocomplete="username"]').isVisible().catch(() => false);
+      if (onLoginPage) {
+        return { success: false, message: 'X login expired. Run /x-integration to re-authenticate.' };
+      }
+    }
+
+    // Find and fill tweet input
+    const tweetInput = page.locator('[data-testid="tweetTextarea_0"]');
+    await tweetInput.waitFor({ timeout: config.timeouts.elementWait * 2 });
+    await tweetInput.click();
+    await page.waitForTimeout(config.timeouts.afterClick / 2);
+    await tweetInput.fill(content);
+    await page.waitForTimeout(config.timeouts.afterFill);
+
+    // Click post button
+    const postButton = page.locator('[data-testid="tweetButtonInline"]');
+    await postButton.waitFor({ timeout: config.timeouts.elementWait });
+
+    const isDisabled = await postButton.getAttribute('aria-disabled');
+    if (isDisabled === 'true') {
+      return { success: false, message: 'Post button disabled. Content may be empty or exceed character limit.' };
+    }
+
+    await postButton.click();
+    await page.waitForTimeout(config.timeouts.afterSubmit);
+
+    return {
+      success: true,
+      message: `Tweet posted: ${content.slice(0, 50)}${content.length > 50 ? '...' : ''}`
+    };
+
+  } finally {
+    if (context) await context.close();
+  }
+}
+
+runScript<PostInput>(postTweet);