fix(proxy): preserve developer-interleaved fresh resends

app/modules/proxy/_service/http_bridge/streaming.py

@@ -980,18 +980,25 @@ def classify_durable_full_resend(
             replay_projection = project_responses_input_for_account_neutral_fresh_replay(
                 cast(list[JsonValue], payload.input),
                 stored_count=stored_count,
+                # Classification only: inline Responses-Lite developer IDs
+                # must remain visible until the exact-manifest check rejects
+                # response-owned messages. Cross-account replay uses the
+                # default ID-stripping projection below.
+                preserve_developer_message_ids=True,
             )
             safe_fresh_context = False
             if replay_projection is not None:
                 safe_fresh_context = responses_input_suffix_retains_prior_output(
                     replay_projection.input_items,
                     stored_count=replay_projection.stored_prefix_count,
+                    canonical_lite_developer_index=replay_projection.canonical_lite_developer_index,
                 ) or (
                     lookup.latest_pending_tool_calls is not None
                     and responses_input_suffix_matches_pending_tool_calls(
                         replay_projection.input_items,
                         stored_count=replay_projection.stored_prefix_count,
                         pending_tool_calls=lookup.latest_pending_tool_calls,
+                        canonical_lite_developer_index=replay_projection.canonical_lite_developer_index,
                     )
                 )
             return stored_count, lookup.latest_input_full_fingerprint, safe_fresh_context
@@ -1015,6 +1022,7 @@ def classify_durable_full_resend(
                 durable_full_resend_retains_prior_output = responses_input_suffix_retains_prior_output(
                     replay_projection.input_items,
                     stored_count=replay_projection.stored_prefix_count,
+                    canonical_lite_developer_index=replay_projection.canonical_lite_developer_index,
                 )
                 durable_full_resend_fresh_payload = _http_bridge_payload_without_previous_response_id(
                     payload
@@ -1376,6 +1384,20 @@ def owner_unavailable_allows_account_neutral_replay(exc: ProxyResponseError) ->
             if durable_full_resend_fresh_payload is None:
                 if not isinstance(payload.input, list):
                     return False
+                eligibility_projection = project_responses_input_for_account_neutral_fresh_replay(
+                    cast(list[JsonValue], payload.input),
+                    stored_count=durable_full_resend_anchor_count,
+                    preserve_developer_message_ids=True,
+                )
+                if eligibility_projection is None:
+                    return False
+                durable_full_resend_retains_prior_output = responses_input_suffix_retains_prior_output(
+                    eligibility_projection.input_items,
+                    stored_count=eligibility_projection.stored_prefix_count,
+                    canonical_lite_developer_index=eligibility_projection.canonical_lite_developer_index,
+                )
+                if not durable_full_resend_retains_prior_output:
+                    return False
                 replay_projection = project_responses_input_for_account_neutral_fresh_replay(
                     cast(list[JsonValue], payload.input),
                     stored_count=durable_full_resend_anchor_count,
@@ -1385,10 +1407,6 @@ def owner_unavailable_allows_account_neutral_replay(exc: ProxyResponseError) ->
                 durable_full_resend_fresh_payload = _http_bridge_payload_without_previous_response_id(
                     payload
                 ).model_copy(update={"input": replay_projection.input_items})
-                durable_full_resend_retains_prior_output = responses_input_suffix_retains_prior_output(
-                    replay_projection.input_items,
-                    stored_count=replay_projection.stored_prefix_count,
-                )
             if not durable_full_resend_retains_prior_output:
                 return False
             if durable_full_resend_is_account_neutral is None: