fix: preflight Anthropic auth and prefer Claude store

tests/test_anthropic_oauth_flow.py

@@ -0,0 +1,51 @@
+"""Tests for Anthropic OAuth setup flow behavior."""
+
+from hermes_cli.config import load_env, save_env_value
+
+
+def test_run_anthropic_oauth_flow_prefers_claude_code_credentials(tmp_path, monkeypatch, capsys):
+    monkeypatch.setenv("HERMES_HOME", str(tmp_path))
+    monkeypatch.setattr(
+        "agent.anthropic_adapter.run_oauth_setup_token",
+        lambda: "sk-ant-oat01-from-claude-setup",
+    )
+    monkeypatch.setattr(
+        "agent.anthropic_adapter.read_claude_code_credentials",
+        lambda: {
+            "accessToken": "cc-access-token",
+            "refreshToken": "cc-refresh-token",
+            "expiresAt": 9999999999999,
+        },
+    )
+    monkeypatch.setattr(
+        "agent.anthropic_adapter.is_claude_code_token_valid",
+        lambda creds: True,
+    )
+
+    from hermes_cli.main import _run_anthropic_oauth_flow
+
+    save_env_value("ANTHROPIC_TOKEN", "stale-env-token")
+    assert _run_anthropic_oauth_flow(save_env_value) is True
+
+    env_vars = load_env()
+    assert env_vars["ANTHROPIC_TOKEN"] == ""
+    assert env_vars["ANTHROPIC_API_KEY"] == ""
+    output = capsys.readouterr().out
+    assert "Claude Code credentials linked" in output
+
+
+def test_run_anthropic_oauth_flow_manual_token_still_persists(tmp_path, monkeypatch, capsys):
+    monkeypatch.setenv("HERMES_HOME", str(tmp_path))
+    monkeypatch.setattr("agent.anthropic_adapter.run_oauth_setup_token", lambda: None)
+    monkeypatch.setattr("agent.anthropic_adapter.read_claude_code_credentials", lambda: None)
+    monkeypatch.setattr("agent.anthropic_adapter.is_claude_code_token_valid", lambda creds: False)
+    monkeypatch.setattr("builtins.input", lambda _prompt="": "sk-ant-oat01-manual-token")
+
+    from hermes_cli.main import _run_anthropic_oauth_flow
+
+    assert _run_anthropic_oauth_flow(save_env_value) is True
+
+    env_vars = load_env()
+    assert env_vars["ANTHROPIC_TOKEN"] == "sk-ant-oat01-manual-token"
+    output = capsys.readouterr().out
+    assert "Setup-token saved" in output