fix: harden auth flow and sync browser support docs

tests/test_cli.py

@@ -1,6 +1,7 @@
 from __future__ import annotations
 
 from click.testing import CliRunner
+import pytest
 
 from twitter_cli.cli import cli
 from twitter_cli.models import UserProfile
@@ -26,3 +27,64 @@ def test_cli_feed_json_input_path(tmp_path, tweet_factory) -> None:
     result = runner.invoke(cli, ["feed", "--input", str(json_path), "--json"])
     assert result.exit_code == 0
     assert '"id": "1"' in result.output
+
+
+@pytest.mark.parametrize(
+    "args",
+    [
+        ["favorites"],
+        ["bookmarks"],
+        ["search", "x"],
+        ["user-posts", "alice"],
+        ["likes", "alice"],
+        ["list", "123"],
+    ],
+)
+def test_cli_commands_wrap_client_creation_errors(monkeypatch, args) -> None:
+    monkeypatch.setattr(
+        "twitter_cli.cli._get_client",
+        lambda config=None: (_ for _ in ()).throw(RuntimeError("boom")),
+    )
+    runner = CliRunner()
+
+    result = runner.invoke(cli, args)
+
+    assert result.exit_code == 1
+    assert "boom" in result.output
+    assert type(result.exception).__name__ == "SystemExit"
+
+
+def test_cli_tweet_accepts_shared_url_with_query(monkeypatch) -> None:
+    class FakeClient:
+        def fetch_tweet_detail(self, tweet_id: str, max_count: int):
+            assert tweet_id == "12345"
+            assert max_count == 50
+            return []
+
+    monkeypatch.setattr("twitter_cli.cli._get_client", lambda config=None: FakeClient())
+    monkeypatch.setattr(
+        "twitter_cli.cli.load_config",
+        lambda: {"fetch": {"count": 50}, "filter": {}, "rateLimit": {}},
+    )
+    runner = CliRunner()
+
+    result = runner.invoke(cli, ["tweet", "https://x.com/user/status/12345?s=20"])
+
+    assert result.exit_code == 0
+
+
+def test_cli_bookmark_alias_works(monkeypatch) -> None:
+    calls = []
+
+    class FakeClient:
+        def bookmark_tweet(self, tweet_id: str) -> bool:
+            calls.append(tweet_id)
+            return True
+
+    monkeypatch.setattr("twitter_cli.cli._get_client", lambda config=None: FakeClient())
+    runner = CliRunner()
+
+    result = runner.invoke(cli, ["bookmark", "123"])
+
+    assert result.exit_code == 0
+    assert calls == ["123"]