feat: add aiprovider service foundation

backend/tests/test_api.py

@@ -10,6 +10,7 @@ from app.core.config import settings
 from app.core.security import create_access_token
 from app.db.session import get_db
 from app.models.user import User
+from app.schemas.ai import AIProviderStatusResponse, SituationalAnalysisResponse
 
 
 @pytest.fixture
@@ -156,3 +157,89 @@ async def test_invalid_token():
             headers={"Authorization": "Bearer invalid_token"},
         )
     assert response.status_code == 401
+
+
+@pytest.mark.asyncio
+async def test_ai_provider_status_with_auth(auth_headers):
+    """Test AI provider status endpoint"""
+    class _FakeAIProviderClient:
+        async def get_status(self, request_id=None):
+            return AIProviderStatusResponse(
+                provider="openai_compatible",
+                enabled=True,
+                configured=True,
+                model="test-model",
+                base_url="http://aiprovider:8010",
+            )
+
+    def override_get_current_user():
+        return User(
+            id=1,
+            username="testuser",
+            email="test@example.com",
+            password_hash="hashed",
+            role="admin",
+            is_active=True,
+        )
+
+    app.dependency_overrides = {
+        __import__("app.core.security", fromlist=["get_current_user"]).get_current_user: override_get_current_user,
+        __import__("app.services.ai_client", fromlist=["get_ai_provider_client"]).get_ai_provider_client: lambda: _FakeAIProviderClient(),
+    }
+    transport = ASGITransport(app=app)
+    try:
+        async with AsyncClient(transport=transport, base_url="http://test") as client:
+            response = await client.get("/api/v1/ai/provider/status", headers=auth_headers)
+        assert response.status_code == 200
+        data = response.json()
+        assert "provider" in data
+        assert "configured" in data
+    finally:
+        app.dependency_overrides.clear()
+
+
+@pytest.mark.asyncio
+async def test_ai_situational_analysis_returns_503_when_disabled(auth_headers):
+    """Test AI analysis endpoint proxies provider service response"""
+    class _FakeAIProviderClient:
+        async def analyze(self, _payload, request_id=None):
+            return SituationalAnalysisResponse(
+                provider="openai_compatible",
+                model="test-model",
+                content="1) 态势摘要: 测试返回",
+                raw_response={"id": "mock-response"},
+            )
+
+    def override_get_current_user():
+        return User(
+            id=1,
+            username="testuser",
+            email="test@example.com",
+            password_hash="hashed",
+            role="admin",
+            is_active=True,
+        )
+
+    app.dependency_overrides = {
+        __import__("app.core.security", fromlist=["get_current_user"]).get_current_user: override_get_current_user,
+        __import__("app.services.ai_client", fromlist=["get_ai_provider_client"]).get_ai_provider_client: lambda: _FakeAIProviderClient(),
+    }
+    transport = ASGITransport(app=app)
+    try:
+        async with AsyncClient(transport=transport, base_url="http://test") as client:
+            response = await client.post(
+                "/api/v1/ai/situational-awareness/analyze",
+                headers=auth_headers,
+                json={
+                    "title": "BGP 异常研判",
+                    "objective": "给出当前异常的风险摘要和建议动作",
+                    "observations": ["collector A 在 5 分钟内出现多个 origin 变更"],
+                    "constraints": ["不要假设缺失数据"],
+                },
+            )
+        assert response.status_code == 200
+        data = response.json()
+        assert data["provider"] == "openai_compatible"
+        assert data["content"]
+    finally:
+        app.dependency_overrides.clear()