feat(studio): Copilot chat history

agents/nemo-studio-copilot/Dockerfile

@@ -55,6 +55,12 @@ LABEL org.opencontainers.image.title="nemo-studio-copilot" \
 
 ENV NAT_CONFIG_FILE=/workspace/src/nemo_studio_copilot/nemo-studio-copilot.yml
 
+# Authenticated Kubernetes deployments inject a loopback auth-proxy sidecar on
+# this port. NMP_BASE_URL is supplied by the deployment runtime, so use the
+# agent-specific legacy override for SDK calls and allow local runtimes to
+# replace it when needed.
+ENV NEMO_BASE_URL=https://127.0.0.1:8090
+
 ENV PATH="/workspace/.venv/bin:$PATH"
 
 # Some modern base images (notably Ubuntu 24.04 "noble" and the NVIDIA base

agents/nemo-studio-copilot/src/nemo_studio_copilot/register.py

@@ -221,7 +221,7 @@ def _delete_fileset(name: str) -> str:
 def _get_client() -> NeMoPlatform:
     global _client
     if _client is None:
-        base_url = os.environ.get("NMP_BASE_URL") or os.environ.get("NEMO_BASE_URL")
+        base_url = os.environ.get("NEMO_BASE_URL") or os.environ.get("NMP_BASE_URL")
         kwargs: dict[str, Any] = {}
         if base_url:
             kwargs["base_url"] = base_url

agents/nemo-studio-copilot/tests/test_nemo_studio_copilot.py

@@ -184,6 +184,22 @@ def test_sdk_uses_deployment_platform_base_url(self, monkeypatch):
             workspace="developer-workspace",
         )
 
+    def test_sdk_prefers_agent_base_url_override(self, monkeypatch):
+        monkeypatch.setenv("NMP_BASE_URL", "http://platform-gateway:8080")
+        monkeypatch.setenv("NEMO_BASE_URL", "http://127.0.0.1:8090")
+        monkeypatch.delenv("NMP_WORKSPACE", raising=False)
+
+        with (
+            patch("nemo_studio_copilot.register._client", None),
+            patch("nemo_studio_copilot.register.NeMoPlatform") as platform_client,
+        ):
+            _get_client()
+
+        platform_client.assert_called_once_with(
+            base_url="http://127.0.0.1:8090",
+            workspace="default",
+        )
+
     def test_sdk_defaults_to_default_workspace(self, monkeypatch):
         monkeypatch.delenv("NMP_WORKSPACE", raising=False)