diff --git a/agent/turn_context.py b/agent/turn_context.py
index fc06b4b4acf5..80dd7ee2060d 100644
--- a/agent/turn_context.py
+++ b/agent/turn_context.py
@@ -36,6 +36,7 @@ from agent.conversation_compression import (
     PREFLIGHT_COMPRESSION_STATUS_TEMPLATE,
     conversation_history_after_compression,
 )
+from agent.context_engine import automatic_compaction_status_message
 from agent.iteration_budget import IterationBudget
 from agent.memory_manager import build_memory_context_block
 from agent.model_metadata import (
@@ -772,12 +773,20 @@ def build_turn_context(
                 agent.model,
                 f"{_compressor.context_length:,}",
             )
-            agent._emit_status(
-                PREFLIGHT_COMPRESSION_STATUS_TEMPLATE.format(
+            _preflight_status = automatic_compaction_status_message(
+                _compressor,
+                phase="preflight",
+                default_message=PREFLIGHT_COMPRESSION_STATUS_TEMPLATE.format(
                     tokens=_preflight_tokens,
                     threshold=_compressor.threshold_tokens,
-                )
+                ),
+                approx_tokens=_preflight_tokens,
+                threshold_tokens=_compressor.threshold_tokens,
+                context_length=_compressor.context_length,
+                model=agent.model,
             )
+            if _preflight_status:
+                agent._emit_status(_preflight_status)
             # Preflight passes honor the same configured per-turn cap
             # (compression.max_attempts) as the loop's compression sites;
             # default 3 preserves the prior hardcoded behavior.
diff --git a/tests/run_agent/test_413_compression.py b/tests/run_agent/test_413_compression.py
index 7abb9469d4b1..9332f2dc44c7 100644
--- a/tests/run_agent/test_413_compression.py
+++ b/tests/run_agent/test_413_compression.py
@@ -907,6 +907,7 @@ class TestPreflightCompression:
             return 114_000 if _rough_calls["n"] == 1 else 40_000
 
         with (
+            patch("agent.turn_context.estimate_request_tokens_rough", side_effect=_rough_estimate),
             patch("agent.conversation_loop.estimate_request_tokens_rough", side_effect=_rough_estimate),
             patch.object(agent, "_compress_context") as mock_compress,
             patch.object(agent, "_persist_session"),
@@ -957,6 +958,7 @@ class TestPreflightCompression:
             return 114_000 if _rough_calls["n"] == 1 else 40_000
 
         with (
+            patch("agent.turn_context.estimate_request_tokens_rough", side_effect=_rough_estimate),
             patch("agent.conversation_loop.estimate_request_tokens_rough", side_effect=_rough_estimate),
             patch.object(agent, "_compress_context") as mock_compress,
             patch.object(agent, "_persist_session"),