diff --git a/agent/auxiliary_client.py b/agent/auxiliary_client.py
index 365ecc57f1..54fda40aa6 100644
--- a/agent/auxiliary_client.py
+++ b/agent/auxiliary_client.py
@@ -1155,12 +1155,10 @@ def _parse_codex_final_response(
     )
     # Aux consumers speak Chat Completions: "length" activates their existing
     # partial-summary rejection/fallback, whereas Codex's "incomplete" does not.
-    # A final_answer phase cannot override the provider's incomplete status, but completed
-    # tool calls stay "tool_calls" so dispatchers (e.g. MCP sampling) still run them.
-    status = _lower_or_none(normalized_final.status)
-    reason = str(_field(normalized_final.incomplete_details, "reason", "") or "").strip().lower()
+    # Any provider-incomplete response (token cap or content_filter) is a partial no aux consumer
+    # may commit; completed tool calls stay "tool_calls" so dispatchers (e.g. MCP sampling) still run them.
     if finish_reason != "tool_calls" and (
-        finish_reason == "incomplete" or (status == "incomplete" and reason != "content_filter")
+        finish_reason == "incomplete" or _lower_or_none(normalized_final.status) == "incomplete"
     ):
         finish_reason = "length"
     text_parts = [message.content] if message.content else []
diff --git a/tests/agent/test_auxiliary_codex_completion_status.py b/tests/agent/test_auxiliary_codex_completion_status.py
index 6121d7d470..4128131a86 100644
--- a/tests/agent/test_auxiliary_codex_completion_status.py
+++ b/tests/agent/test_auxiliary_codex_completion_status.py
@@ -99,6 +99,8 @@ _CODEX_REASONING_ONLY = SimpleNamespace(
                      id="tool-call-like-output-text-beside-commentary"),
         pytest.param("", "incomplete", [_message("PARTIAL")], "max_output_tokens", "PARTIAL", "length", id="token-cap"),
         pytest.param("", "incomplete", [_TOOL_CALL], "max_output_tokens", None, "tool_calls", id="token-cap-after-tool-call"),
+        # Compressor only rejects "length": a content-filtered partial must not be committed as a summary.
+        pytest.param("", "incomplete", [_message("CF")], "content_filter", "CF", "length", id="content-filter"),
         # Commentary + unphased text is incomplete whether or not the unphased text looks like a tool call.
         pytest.param("", "completed", [_message("NOTE", phase="commentary"), _message(_LEAK_LIKE_ANSWER, phase=None)],
                      None, _LEAK_LIKE_ANSWER, "length", id="tool-call-like-beside-commentary"),