fix(provider): expose OpenCode Go reasoning controls

tests/plugins/model_providers/test_opencode_go_profile.py

@@ -0,0 +1,171 @@
+"""Unit tests for OpenCode Go reasoning-control wiring."""
+
+from __future__ import annotations
+
+import pytest
+
+
+@pytest.fixture
+def opencode_go_profile():
+    """Resolve the registered OpenCode Go provider profile."""
+    import model_tools  # noqa: F401
+    import providers
+
+    profile = providers.get_provider_profile("opencode-go")
+    assert profile is not None, "opencode-go provider profile must be registered"
+    return profile
+
+
+class TestOpenCodeGoKimiReasoning:
+    """Kimi K2 models use binary thinking controls on OpenCode Go."""
+
+    def test_high_effort_enables_thinking_without_effort(self, opencode_go_profile):
+        extra_body, top_level = opencode_go_profile.build_api_kwargs_extras(
+            reasoning_config={"enabled": True, "effort": "high"},
+            model="kimi-k2.6",
+        )
+        assert extra_body == {"thinking": {"type": "enabled"}}
+        assert top_level == {}
+
+    def test_disabled_emits_thinking_disabled(self, opencode_go_profile):
+        extra_body, top_level = opencode_go_profile.build_api_kwargs_extras(
+            reasoning_config={"enabled": False},
+            model="kimi-k2.6",
+        )
+        assert extra_body == {"thinking": {"type": "disabled"}}
+        assert top_level == {}
+
+    def test_minimal_effort_enables_thinking_without_effort(self, opencode_go_profile):
+        extra_body, top_level = opencode_go_profile.build_api_kwargs_extras(
+            reasoning_config={"enabled": True, "effort": "minimal"},
+            model="kimi-k2.6",
+        )
+        assert extra_body == {"thinking": {"type": "enabled"}}
+        assert top_level == {}
+
+    @pytest.mark.parametrize(
+        "effort",
+        [
+            "xhigh",
+            "max",
+        ],
+    )
+    def test_strong_efforts_enable_thinking_without_effort(
+        self, opencode_go_profile, effort
+    ):
+        extra_body, _ = opencode_go_profile.build_api_kwargs_extras(
+            reasoning_config={"enabled": True, "effort": effort},
+            model="moonshotai/kimi-k2.6",
+        )
+        assert extra_body == {"thinking": {"type": "enabled"}}
+
+    def test_no_config_preserves_server_default(self, opencode_go_profile):
+        extra_body, top_level = opencode_go_profile.build_api_kwargs_extras(
+            reasoning_config=None,
+            model="kimi-k2.6",
+        )
+        assert extra_body == {}
+        assert top_level == {}
+
+
+class TestOpenCodeGoDeepSeekThinking:
+    """DeepSeek V4 models use DeepSeek-style thinking controls on OpenCode Go."""
+
+    def test_high_effort_emits_thinking_and_effort(self, opencode_go_profile):
+        extra_body, top_level = opencode_go_profile.build_api_kwargs_extras(
+            reasoning_config={"enabled": True, "effort": "high"},
+            model="deepseek-v4-pro",
+        )
+        assert extra_body == {"thinking": {"type": "enabled"}}
+        assert top_level == {"reasoning_effort": "high"}
+
+    def test_disabled_emits_thinking_disabled_without_effort(self, opencode_go_profile):
+        extra_body, top_level = opencode_go_profile.build_api_kwargs_extras(
+            reasoning_config={"enabled": False, "effort": "high"},
+            model="deepseek-v4-pro",
+        )
+        assert extra_body == {"thinking": {"type": "disabled"}}
+        assert top_level == {}
+
+    def test_no_config_emits_thinking_enabled_without_effort(self, opencode_go_profile):
+        extra_body, top_level = opencode_go_profile.build_api_kwargs_extras(
+            reasoning_config=None,
+            model="deepseek-v4-pro",
+        )
+        assert extra_body == {"thinking": {"type": "enabled"}}
+        assert top_level == {}
+
+    def test_minimal_effort_enables_thinking_without_effort(self, opencode_go_profile):
+        extra_body, top_level = opencode_go_profile.build_api_kwargs_extras(
+            reasoning_config={"enabled": True, "effort": "minimal"},
+            model="deepseek-v4-pro",
+        )
+        assert extra_body == {"thinking": {"type": "enabled"}}
+        assert top_level == {}
+
+    def test_xhigh_and_max_normalize_to_max(self, opencode_go_profile):
+        for effort in ("xhigh", "max"):
+            extra_body, top_level = opencode_go_profile.build_api_kwargs_extras(
+                reasoning_config={"enabled": True, "effort": effort},
+                model="deepseek/deepseek-v4-pro",
+            )
+            assert extra_body == {"thinking": {"type": "enabled"}}
+            assert top_level == {"reasoning_effort": "max"}
+
+
+class TestOpenCodeGoModelGating:
+    """Other OpenCode Go models must not receive Kimi/DeepSeek controls."""
+
+    @pytest.mark.parametrize(
+        "model",
+        [
+            "glm-5.1",
+            "qwen3.6-plus",
+            "minimax-m2.7",
+            "deepseek-v3.1",
+            "deepseek-chat",
+            "",
+            None,
+        ],
+    )
+    def test_non_target_models_emit_nothing(self, opencode_go_profile, model):
+        extra_body, top_level = opencode_go_profile.build_api_kwargs_extras(
+            reasoning_config={"enabled": True, "effort": "high"},
+            model=model,
+        )
+        assert extra_body == {}
+        assert top_level == {}
+
+
+class TestOpenCodeGoFullKwargsIntegration:
+    """End-to-end transport kwargs include the profile-provided controls."""
+
+    def test_kimi_reasoning_reaches_extra_body(self, opencode_go_profile):
+        from agent.transports.chat_completions import ChatCompletionsTransport
+
+        kwargs = ChatCompletionsTransport().build_kwargs(
+            model="kimi-k2.6",
+            messages=[{"role": "user", "content": "ping"}],
+            tools=None,
+            provider_profile=opencode_go_profile,
+            reasoning_config={"enabled": True, "effort": "high"},
+            base_url="https://opencode.ai/zen/go/v1",
+        )
+        assert kwargs["extra_body"] == {"thinking": {"type": "enabled"}}
+        assert "reasoning_effort" not in kwargs
+
+    def test_deepseek_thinking_reaches_extra_body_and_top_level(
+        self, opencode_go_profile
+    ):
+        from agent.transports.chat_completions import ChatCompletionsTransport
+
+        kwargs = ChatCompletionsTransport().build_kwargs(
+            model="deepseek-v4-pro",
+            messages=[{"role": "user", "content": "ping"}],
+            tools=None,
+            provider_profile=opencode_go_profile,
+            reasoning_config={"enabled": True, "effort": "high"},
+            base_url="https://opencode.ai/zen/go/v1",
+        )
+        assert kwargs["extra_body"] == {"thinking": {"type": "enabled"}}
+        assert kwargs["reasoning_effort"] == "high"