fix(twitter): improve createTweet posting

src/lib/twitter-client.ts

@@ -6,6 +6,7 @@ import type { TwitterCookies } from './cookies.js';
 import queryIds from './query-ids.json' with { type: 'json' };
 
 const TWITTER_API_BASE = 'https://x.com/i/api/graphql';
+const TWITTER_GRAPHQL_POST_URL = 'https://x.com/i/api/graphql';
 
 // Query IDs rotate frequently; the values in query-ids.json are refreshed by
 // scripts/update-query-ids.ts. The fallback values keep the client usable if
@@ -968,6 +969,8 @@ export class TwitterClient {
     };
 
     const features = {
+      rweb_video_screen_enabled: true,
+      creator_subscriptions_tweet_preview_api_enabled: true,
       premium_content_api_read_enabled: false,
       communities_web_enable_tweet_community_results_fetch: true,
       c9s_tweet_anatomy_moderator_badge_enabled: true,
@@ -1024,6 +1027,8 @@ export class TwitterClient {
     };
 
     const features = {
+      rweb_video_screen_enabled: true,
+      creator_subscriptions_tweet_preview_api_enabled: true,
       premium_content_api_read_enabled: false,
       communities_web_enable_tweet_community_results_fetch: true,
       c9s_tweet_anatomy_moderator_badge_enabled: true,
@@ -1065,21 +1070,44 @@ export class TwitterClient {
     variables: Record<string, unknown>,
     features: Record<string, boolean>,
   ): Promise<TweetResult> {
-    const url = `${TWITTER_API_BASE}/${QUERY_IDS.CreateTweet}/CreateTweet`;
+    const queryId = QUERY_IDS.CreateTweet;
+    const urlWithOperation = `${TWITTER_API_BASE}/${queryId}/CreateTweet`;
 
-    const body = JSON.stringify({
-      variables,
-      features,
-      queryId: QUERY_IDS.CreateTweet,
-    });
+    const body = JSON.stringify({ variables, features, queryId });
 
     try {
-      const response = await this.fetchWithTimeout(url, {
+      const response = await this.fetchWithTimeout(urlWithOperation, {
         method: 'POST',
         headers: this.getHeaders(),
         body,
       });
 
+      // Twitter increasingly prefers POST to /i/api/graphql with queryId in the payload.
+      // If the operation URL 404s, retry the generic endpoint.
+      if (response.status === 404) {
+        const retry = await this.fetchWithTimeout(TWITTER_GRAPHQL_POST_URL, {
+          method: 'POST',
+          headers: this.getHeaders(),
+          body,
+        });
+
+        if (!retry.ok) {
+          const text = await retry.text();
+          return { success: false, error: `HTTP ${retry.status}: ${text.slice(0, 200)}` };
+        }
+
+        const data = (await retry.json()) as CreateTweetResponse;
+
+        if (data.errors && data.errors.length > 0) {
+          return { success: false, error: data.errors.map((e) => e.message).join(', ') };
+        }
+
+        const tweetId = data.data?.create_tweet?.tweet_results?.result?.rest_id;
+        if (tweetId) return { success: true, tweetId };
+
+        return { success: false, error: 'Tweet created but no ID returned' };
+      }
+
       if (!response.ok) {
         const text = await response.text();
         return {

tests/twitter-client.test.ts

@@ -79,6 +79,44 @@ describe('TwitterClient', () => {
 
       const body = JSON.parse(options.body);
       expect(body.variables.tweet_text).toBe('Hello world!');
+      expect(body.features.rweb_video_screen_enabled).toBe(true);
+      expect(body.features.creator_subscriptions_tweet_preview_api_enabled).toBe(true);
+    });
+
+    it('retries CreateTweet via /i/api/graphql when operation URL 404s', async () => {
+      mockFetch
+        .mockResolvedValueOnce({
+          ok: false,
+          status: 404,
+          text: async () => '',
+        })
+        .mockResolvedValueOnce({
+          ok: true,
+          status: 200,
+          json: async () => ({
+            data: {
+              create_tweet: {
+                tweet_results: {
+                  result: {
+                    rest_id: '1234567890',
+                  },
+                },
+              },
+            },
+          }),
+        });
+
+      const client = new TwitterClient({ cookies: validCookies });
+      const result = await client.tweet('Hello world!');
+
+      expect(result.success).toBe(true);
+      expect(result.tweetId).toBe('1234567890');
+      expect(mockFetch).toHaveBeenCalledTimes(2);
+
+      const [firstUrl] = mockFetch.mock.calls[0];
+      const [secondUrl] = mockFetch.mock.calls[1];
+      expect(String(firstUrl)).toContain('/CreateTweet');
+      expect(String(secondUrl)).toBe('https://x.com/i/api/graphql');
     });
 
     it('should handle API errors', async () => {
@@ -178,6 +216,8 @@ describe('TwitterClient', () => {
       const body = JSON.parse(options.body);
       expect(body.variables.reply.in_reply_to_tweet_id).toBe('1234567890');
       expect(body.variables.tweet_text).toBe('This is a reply');
+      expect(body.features.rweb_video_screen_enabled).toBe(true);
+      expect(body.features.creator_subscriptions_tweet_preview_api_enabled).toBe(true);
     });
   });