refactor(model-connections): remove unused fields and update verification logic

surfsense_backend/app/services/global_model_catalog.py

@@ -75,7 +75,6 @@ def materialize_global_model_catalog(
         conn = native_connection_from_config(config)
         conn["scope"] = "GLOBAL"
         conn["enabled"] = True
-        conn["last_status"] = "OK"
         key = _connection_key(conn)
         connection_id = connection_id_by_key.get(key)
         if connection_id is None:
@@ -105,7 +104,6 @@ def materialize_global_model_catalog(
                 "supports_tools": bool(config.get("supports_tools", False)),
                 "supports_image_generation": role == "image_gen",
                 "capabilities_override": {},
-                "embedding_dimension": None,
                 "enabled": True,
                 "billing_tier": config.get("billing_tier", "free"),
                 "catalog": _catalog_metadata(config),

surfsense_backend/app/services/model_connection_service.py

@@ -5,7 +5,6 @@ from __future__ import annotations
 import contextlib
 import logging
 from dataclasses import dataclass
-from datetime import UTC, datetime
 from typing import Any
 
 import anyio
@@ -186,14 +185,6 @@ async def verify_connection(conn: Connection) -> VerifyResult:
         return VerifyResult("UNREACHABLE", False, _docker_hint(base_url, exc))
 
 
-async def persist_verification(conn: Connection) -> VerifyResult:
-    result = await verify_connection(conn)
-    conn.last_verified_at = datetime.now(UTC)
-    conn.last_status = result.status
-    conn.last_error = "" if result.ok else result.message
-    return result
-
-
 def _discovery_error_message(conn: Connection, exc: httpx.HTTPError) -> str:
     base_url = _base_url_or_default(conn)
     if isinstance(exc, httpx.HTTPStatusError):
@@ -494,7 +485,6 @@ __all__ = [
     "VerifyResult",
     "derive_capabilities",
     "discover_models",
-    "persist_verification",
     "test_model",
     "verify_connection",
 ]