fix: extract ollama_url normalization into shared utility (#508)

Co-authored-by: Kimi Agent <kimi@timmy.local>
Co-committed-by: Kimi Agent <kimi@timmy.local>

src/infrastructure/models/multimodal.py

@@ -13,7 +13,7 @@ import logging
 from dataclasses import dataclass, field
 from enum import Enum, auto
 
-from config import settings
+from config import normalize_ollama_url, settings
 
 logger = logging.getLogger(__name__)
 
@@ -307,7 +307,7 @@ class MultiModalManager:
             import json
             import urllib.request
 
-            url = self.ollama_url.replace("localhost", "127.0.0.1")
+            url = normalize_ollama_url(self.ollama_url)
             req = urllib.request.Request(
                 f"{url}/api/tags",
                 method="GET",
@@ -462,7 +462,7 @@ class MultiModalManager:
 
             logger.info("Pulling model: %s", model_name)
 
-            url = self.ollama_url.replace("localhost", "127.0.0.1")
+            url = normalize_ollama_url(self.ollama_url)
             req = urllib.request.Request(
                 f"{url}/api/pull",
                 method="POST",