refactor: align backend layout and supabase infra

Consolidate backend modules/tests under the backend package while syncing Supabase compose/env config and related plans.

backend/tests/integration/services/test_base_services_integration.py

@@ -0,0 +1,49 @@
+from __future__ import annotations
+
+import socket
+
+import pytest
+
+from core.config.settings import Settings
+from services.base.qdrant import QdrantService
+from services.base.redis import RedisService
+
+
+def _can_connect(host: str, port: int) -> bool:
+    with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock:
+        sock.settimeout(0.2)
+        return sock.connect_ex((host, port)) == 0
+
+
+@pytest.mark.asyncio
+async def test_redis_service_health_check_integration() -> None:
+    host = "127.0.0.1"
+    port = 6379
+    if not _can_connect(host, port):
+        pytest.skip("Redis is not running on localhost:6379")
+
+    config = Settings()
+    settings = config.redis.model_copy(update={"host": host, "port": port})
+    service = RedisService(settings=settings)
+
+    assert await service.initialize() is True
+    health = await service.health_check()
+    assert health["status"] == "healthy"
+    assert await service.close() is True
+
+
+@pytest.mark.asyncio
+async def test_qdrant_service_health_check_integration() -> None:
+    host = "127.0.0.1"
+    port = 6333
+    if not _can_connect(host, port):
+        pytest.skip("Qdrant is not running on localhost:6333")
+
+    config = Settings()
+    settings = config.qdrant.model_copy(update={"host": host, "port": port})
+    service = QdrantService(settings=settings)
+
+    assert await service.initialize() is True
+    health = await service.health_check()
+    assert health["status"] == "healthy"
+    assert await service.close() is True