feat: remove saved Ollama connection configs

dashboard/plugin_api.py

@@ -310,8 +310,7 @@ def _apply_saved_connection() -> None:
         LOCAL_OLLAMA = saved
         return
     configured = os.environ.get("OLLAMA_HOST", "").strip()
-    if configured:
-        LOCAL_OLLAMA = configured.rstrip("/")
+    LOCAL_OLLAMA = configured.rstrip("/") if configured else _ollama_base_url()
 
 
 def _target_endpoint(target: str = "local") -> str:
@@ -362,9 +361,9 @@ def _connection_snapshot() -> list[dict[str, Any]]:
         seen.add(key)
         try:
             result = _probe_endpoint(normalized, timeout=3)
-            result.update({"kind": kind, "label": label})
+            result.update({"kind": kind, "label": label, "saved": saved.get(f"{kind}_url") == normalized})
         except Exception as exc:
-            result = {"available": False, "kind": kind, "label": label, "url": normalized, "error": str(exc)[:240]}
+            result = {"available": False, "kind": kind, "label": label, "url": normalized, "saved": saved.get(f"{kind}_url") == normalized, "error": str(exc)[:240]}
         results.append(result)
     local_urls = {row.get("url") for row in results if row.get("kind") == "local" and row.get("available")}
     for row in results:
@@ -1512,6 +1511,25 @@ def connections_configure(body: ConnectionRequest) -> dict[str, Any]:
     return result
 
 
+@router.delete("/connections/{role}")
+def connections_delete(role: str) -> dict[str, Any]:
+    role = str(role or "").strip().lower()
+    if role not in {"local", "remote"}:
+        raise HTTPException(400, "Connection role must be local or remote")
+    saved = _read_connections()
+    key = f"{role}_url"
+    removed = saved.get(key, "")
+    if not removed:
+        raise HTTPException(404, f"No saved {role} Ollama endpoint")
+    saved[key] = ""
+    if role == "local":
+        saved["active_url"] = ""
+    _write_connections(saved)
+    if role == "local":
+        _apply_saved_connection()
+    return {"ok": True, "role": role, "removed_url": removed, "message": f"Removed saved {role} Ollama endpoint"}
+
+
 @router.get("/status")
 def status() -> dict[str, Any]:
     tags = _local_tags()