fix: console output to stderr for clean --json output

- Change Console() to Console(stderr=True) so all status/progress
  messages go to stderr, keeping stdout pure JSON when --json is used
- Add missing exception handling in likes command for fetch_user
- Fix SKILL.md: favorite -> favorites (correct command name)

SKILL.md

@@ -32,7 +32,7 @@ twitter feed
 twitter feed -t following
 
 # Bookmarks
-twitter favorite
+twitter favorites
 
 # User profile and posts
 twitter user <screen_name>
@@ -55,7 +55,7 @@ Filtering is opt-in (disabled by default). Enable with `--filter`.
 
 ```bash
 twitter feed --filter
-twitter favorite --filter
+twitter favorites --filter
 ```
 
 The scoring formula:

twitter_cli/cli.py

@@ -46,7 +46,7 @@ from .formatter import (
 from .serialization import tweets_from_json, tweets_to_json, users_to_json
 
 
-console = Console()
+console = Console(stderr=True)
 FEED_TYPES = ["for-you", "following"]
 
 
@@ -296,7 +296,11 @@ def likes(screen_name, max_count, as_json, do_filter):
     config = load_config()
     client = _get_client(config)
     console.print("👤 Fetching @%s's profile..." % screen_name)
+    try:
         profile = client.fetch_user(screen_name)
+    except RuntimeError as exc:
+        console.print("[red]❌ %s[/red]" % exc)
+        sys.exit(1)
     _fetch_and_display(
         lambda count: client.fetch_user_likes(profile.id, count),
         "@%s likes" % screen_name, "❤️", max_count, as_json, None, do_filter, config,