Add OpenCode (Zen/Go) subscription support: strix auth login opencode + opencode/<model> routing

tests/test_auth_cli.py

@@ -2,11 +2,12 @@
 
 from __future__ import annotations
 
+import time
 from typing import TYPE_CHECKING, Any
 
 import pytest
 
-from strix.config import codex
+from strix.config import codex, opencode
 from strix.interface import auth_cli
 
 
@@ -104,3 +105,60 @@ def test_login_accepts_provider_aliases(provider: str, monkeypatch: pytest.Monke
 
     assert auth_cli.run_auth(["login", provider]) == 0
     assert reached["flow"] is True
+
+
+@pytest.mark.parametrize("provider", ["opencode", "OpenCode", "opencode-go", "zen"])
+def test_login_accepts_opencode_aliases(provider: str, monkeypatch: pytest.MonkeyPatch) -> None:
+    reached = {"login": False}
+
+    def _fake_login(_console: Any) -> int:
+        reached["login"] = True
+        return 0
+
+    monkeypatch.setattr(auth_cli, "_login_opencode", _fake_login)
+    assert auth_cli.run_auth(["login", provider]) == 0
+    assert reached["login"] is True
+
+
+def test_login_opencode_validates_and_saves(monkeypatch: pytest.MonkeyPatch) -> None:
+    saved: dict[str, str] = {}
+    monkeypatch.setattr("rich.console.Console.input", lambda _self, *_a, **_k: "  sk-oc-test  ")
+    monkeypatch.setattr(opencode, "validate_api_key", lambda key: saved.setdefault("checked", key))
+    monkeypatch.setattr(opencode, "save_api_key", lambda key: saved.setdefault("key", key))
+
+    assert auth_cli.run_auth(["login", "opencode"]) == 0
+    assert saved == {"checked": "sk-oc-test", "key": "sk-oc-test"}
+
+
+def test_login_opencode_rejects_bad_key(monkeypatch: pytest.MonkeyPatch) -> None:
+    monkeypatch.setattr("rich.console.Console.input", lambda _self, *_a, **_k: "bad")
+
+    def _reject(_key: str) -> None:
+        raise opencode.OpencodeAuthError("invalid_key")
+
+    monkeypatch.setattr(opencode, "validate_api_key", _reject)
+    assert auth_cli.run_auth(["login", "opencode"]) == 1
+    assert opencode.is_authenticated() is False
+
+
+def test_logout_provider_scoped() -> None:
+    codex.save_record(
+        {
+            "type": "oauth",
+            "provider": "codex",
+            "access": "a",
+            "refresh": "r",
+            "account_id": "acct",
+            "expires_at": time.time() + 3600,
+        }
+    )
+    opencode.save_api_key("sk-oc-test")
+
+    assert auth_cli.run_auth(["logout", "opencode"]) == 0
+    assert opencode.is_authenticated() is False
+    assert codex.is_authenticated() is True
+
+    assert auth_cli.run_auth(["logout"]) == 0
+    assert codex.is_authenticated() is False
+
+    assert auth_cli.run_auth(["logout", "bogus"]) == 2

tests/test_models.py

@@ -66,6 +66,11 @@ def test_recommended_models_are_matched_case_insensitively() -> None:
         "moonshot/kimi-k2.6",
         "kimi-k2.7-code",
         "moonshot/kimi-k3",
+        "opencode/gpt-5.4",
+        "opencode/claude-sonnet-5",
+        "opencode-go/kimi-k3",
+        "opencode-go/deepseek-v4-flash",
+        "opencode-go/qwen3.8-max",
     ],
 )
 def test_frontier_model_families_are_accepted(model_name: str) -> None:

tests/test_opencode_auth.py

@@ -0,0 +1,125 @@
+"""Tests for OpenCode (Zen/Go) subscription auth: prefix parsing and key store."""
+
+from __future__ import annotations
+
+from typing import TYPE_CHECKING
+from unittest import mock
+
+import pytest
+import requests
+
+from strix.config import codex, opencode
+
+
+if TYPE_CHECKING:
+    from pathlib import Path
+
+
+@pytest.fixture(autouse=True)
+def _tmp_store(tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> Path:
+    path = tmp_path / "home" / ".strix" / "subscription-auth.json"
+    monkeypatch.setattr(codex, "AUTH_PATH", path)
+    return path
+
+
+@pytest.mark.parametrize(
+    ("model", "slug", "base_url", "uses_responses"),
+    [
+        ("opencode/claude-sonnet-5", "claude-sonnet-5", opencode.ZEN_BASE_URL, False),
+        ("opencode/gpt-5.4", "gpt-5.4", opencode.ZEN_BASE_URL, True),
+        ("opencode/grok-4.5", "grok-4.5", opencode.ZEN_BASE_URL, True),
+        ("OpenCode/Kimi-K3", "Kimi-K3", opencode.ZEN_BASE_URL, False),
+        ("opencode-go/kimi-k3", "kimi-k3", opencode.GO_BASE_URL, False),
+        ("opencode-go/gpt-5.6-luna", "gpt-5.6-luna", opencode.GO_BASE_URL, True),
+        ("opencode-go/grok-4.5", "grok-4.5", opencode.GO_BASE_URL, False),
+    ],
+)
+def test_subscription_model_parses_prefixes(
+    model: str, slug: str, base_url: str, uses_responses: bool
+) -> None:
+    parsed = opencode.subscription_model(model)
+    assert parsed is not None
+    assert parsed.slug == slug
+    assert parsed.base_url == base_url
+    assert parsed.uses_responses == uses_responses
+
+
+@pytest.mark.parametrize(
+    "model",
+    ["openai/gpt-5.4", "chatgpt/gpt-5.4", "opencode/", "opencode-go/", "opencode", "", None],
+)
+def test_subscription_model_rejects_non_opencode(model: str | None) -> None:
+    assert opencode.subscription_model(model) is None
+
+
+def test_store_roundtrip_and_logout() -> None:
+    assert opencode.read_record() is None
+    assert opencode.is_authenticated() is False
+
+    opencode.save_api_key("sk-oc-test")
+    record = opencode.read_record()
+    assert record is not None
+    assert record["key"] == "sk-oc-test"
+    assert opencode.is_authenticated() is True
+    assert opencode.get_api_key() == "sk-oc-test"
+
+    opencode.logout()
+    assert opencode.read_record() is None
+    opencode.logout()  # no-op when already gone
+
+
+def test_store_coexists_with_chatgpt_record() -> None:
+    codex.save_record({"type": "oauth", "access": "a", "refresh": "r", "account_id": "acct"})
+    opencode.save_api_key("sk-oc-test")
+
+    assert codex.read_record() is not None
+    assert opencode.get_api_key() == "sk-oc-test"
+
+    opencode.logout()
+    assert codex.read_record() is not None
+    assert opencode.read_record() is None
+
+
+def test_get_api_key_raises_when_not_signed_in() -> None:
+    with pytest.raises(opencode.OpencodeAuthError) as exc:
+        opencode.get_api_key()
+    assert exc.value.code == "not_authenticated"
+
+
+def test_auth_mode_covers_both_subscriptions() -> None:
+    assert opencode.auth_mode("opencode/claude-sonnet-5") == "subscription"
+    assert opencode.auth_mode("opencode-go/kimi-k3") == "subscription"
+    assert opencode.auth_mode("chatgpt/gpt-5.4") == "subscription"
+    assert opencode.auth_mode("openai/gpt-5.4") == "api_key"
+    assert opencode.auth_mode(None) == "api_key"
+
+
+def _response(status_code: int, text: str = "") -> mock.MagicMock:
+    response = mock.MagicMock()
+    response.status_code = status_code
+    response.text = text
+    return response
+
+
+def test_validate_api_key_accepts_ok() -> None:
+    with mock.patch.object(requests, "get", return_value=_response(200)) as get:
+        opencode.validate_api_key("sk-oc-test")
+    assert get.call_args.kwargs["headers"]["Authorization"] == "Bearer sk-oc-test"
+
+
+def test_validate_api_key_rejects_unauthorized() -> None:
+    with (
+        mock.patch.object(requests, "get", return_value=_response(401)),
+        pytest.raises(opencode.OpencodeAuthError) as exc,
+    ):
+        opencode.validate_api_key("bad-key")
+    assert exc.value.code == "invalid_key"
+
+
+def test_validate_api_key_maps_network_errors() -> None:
+    with (
+        mock.patch.object(requests, "get", side_effect=requests.ConnectionError("boom")),
+        pytest.raises(opencode.OpencodeAuthError) as exc,
+    ):
+        opencode.validate_api_key("sk-oc-test")
+    assert exc.value.code == "unavailable"