fix(llm): Properly detect remote Ollama bare URLs as native endpoints (fixes #3252) (#3343)

src/llm_core.py

@@ -270,8 +270,10 @@ def _is_ollama_native_url(url: str) -> bool:
     path = (parsed.path or "").rstrip("/")
     if _host_match(url, "ollama.com"):
         return True
+    if path.startswith("/v1"):
+        return False
     local_ollama_host = host in {"localhost", "127.0.0.1", "0.0.0.0", "::1"} or parsed.port == 11434
-    return local_ollama_host and (path == "/api" or path.startswith("/api/"))
+    return local_ollama_host and (path == "" or path == "/api" or path.startswith("/api/"))
 
 
 def _ollama_api_root(url: str) -> str:
@@ -287,6 +289,8 @@ def _ollama_api_root(url: str) -> str:
         return url[: -len("/generate")]
     if path.endswith("/api"):
         return url
+    if path == "":
+        return url + "/api"
     if _host_match(url, "ollama.com"):
         root = f"{parsed.scheme}://{parsed.netloc}" if parsed.scheme and parsed.netloc else "https://ollama.com"
         return root.rstrip("/") + "/api"