Add X integration skill (#52)

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

@@ -0,0 +1,74 @@
+#!/usr/bin/env npx tsx
+/**
+ * X Integration - Reply to Tweet
+ * Usage: echo '{"tweetUrl":"https://x.com/user/status/123","content":"Great post!"}' | npx tsx reply.ts
+ */
+
+import { getBrowserContext, navigateToTweet, runScript, validateContent, config, ScriptResult } from '../lib/browser.js';
+
+interface ReplyInput {
+  tweetUrl: string;
+  content: string;
+}
+
+async function replyToTweet(input: ReplyInput): Promise<ScriptResult> {
+  const { tweetUrl, content } = input;
+
+  if (!tweetUrl) {
+    return { success: false, message: 'Please provide a tweet URL' };
+  }
+
+  const validationError = validateContent(content, 'Reply');
+  if (validationError) return validationError;
+
+  let context = null;
+  try {
+    context = await getBrowserContext();
+    const { page, success, error } = await navigateToTweet(context, tweetUrl);
+
+    if (!success) {
+      return { success: false, message: error || 'Navigation failed' };
+    }
+
+    // Click reply button
+    const tweet = page.locator('article[data-testid="tweet"]').first();
+    const replyButton = tweet.locator('[data-testid="reply"]');
+    await replyButton.waitFor({ timeout: config.timeouts.elementWait });
+    await replyButton.click();
+    await page.waitForTimeout(config.timeouts.afterClick * 1.5);
+
+    // Find dialog with aria-modal="true" to avoid matching other dialogs
+    const dialog = page.locator('[role="dialog"][aria-modal="true"]');
+    await dialog.waitFor({ timeout: config.timeouts.elementWait });
+
+    // Fill reply content
+    const replyInput = dialog.locator('[data-testid="tweetTextarea_0"]');
+    await replyInput.waitFor({ timeout: config.timeouts.elementWait });
+    await replyInput.click();
+    await page.waitForTimeout(config.timeouts.afterClick / 2);
+    await replyInput.fill(content);
+    await page.waitForTimeout(config.timeouts.afterFill);
+
+    // Click submit button
+    const submitButton = dialog.locator('[data-testid="tweetButton"]');
+    await submitButton.waitFor({ timeout: config.timeouts.elementWait });
+
+    const isDisabled = await submitButton.getAttribute('aria-disabled');
+    if (isDisabled === 'true') {
+      return { success: false, message: 'Submit button disabled. Content may be empty or exceed character limit.' };
+    }
+
+    await submitButton.click();
+    await page.waitForTimeout(config.timeouts.afterSubmit);
+
+    return {
+      success: true,
+      message: `Reply posted: ${content.slice(0, 50)}${content.length > 50 ? '...' : ''}`
+    };
+
+  } finally {
+    if (context) await context.close();
+  }
+}
+
+runScript<ReplyInput>(replyToTweet);