diff --git a/mempalace/cli.py b/mempalace/cli.py
index 1d106ca..d6b1e0a 100644
--- a/mempalace/cli.py
+++ b/mempalace/cli.py
@@ -349,7 +349,7 @@ def cmd_compress(args):
         stats = dialect.compression_stats(doc, compressed)
 
         total_original += stats["original_chars"]
-        total_compressed += stats["compressed_chars"]
+        total_compressed += stats["summary_chars"]
 
         compressed_entries.append((doc_id, compressed, meta, stats))
 
@@ -359,7 +359,7 @@ def cmd_compress(args):
             source = Path(meta.get("source_file", "?")).name
             print(f"  [{wing_name}/{room_name}] {source}")
             print(
-                f"    {stats['original_tokens']}t -> {stats['compressed_tokens']}t ({stats['ratio']:.1f}x)"
+                f"    {stats['original_tokens_est']}t -> {stats['summary_tokens_est']}t ({stats['size_ratio']:.1f}x)"
             )
             print(f"    {compressed}")
             print()
@@ -370,8 +370,8 @@ def cmd_compress(args):
             comp_col = client.get_or_create_collection("mempalace_compressed")
             for doc_id, compressed, meta, stats in compressed_entries:
                 comp_meta = dict(meta)
-                comp_meta["compression_ratio"] = round(stats["ratio"], 1)
-                comp_meta["original_tokens"] = stats["original_tokens"]
+                comp_meta["compression_ratio"] = round(stats["size_ratio"], 1)
+                comp_meta["original_tokens"] = stats["original_tokens_est"]
                 comp_col.upsert(
                     ids=[doc_id],
                     documents=[compressed],
diff --git a/tests/test_cli.py b/tests/test_cli.py
index e3c68f9..dc55f23 100644
--- a/tests/test_cli.py
+++ b/tests/test_cli.py
@@ -546,10 +546,11 @@ def test_cmd_compress_dry_run(mock_config_cls, capsys):
     mock_dialect.compress.return_value = "compressed"
     mock_dialect.compression_stats.return_value = {
         "original_chars": 100,
-        "compressed_chars": 30,
-        "original_tokens": 25,
-        "compressed_tokens": 8,
-        "ratio": 3.3,
+        "summary_chars": 30,
+        "original_tokens_est": 25,
+        "summary_tokens_est": 8,
+        "size_ratio": 3.3,
+        "note": "Estimates only.",
     }
     mock_dialect_mod = _make_mock_dialect_module(mock_dialect)
 
@@ -564,6 +565,7 @@ def test_cmd_compress_dry_run(mock_config_cls, capsys):
     out = capsys.readouterr().out
     assert "dry run" in out.lower()
     assert "Compressing" in out
+    assert "Total:" in out
 
 
 @patch("mempalace.cli.MempalaceConfig")
@@ -619,10 +621,11 @@ def test_cmd_compress_stores_results(mock_config_cls, capsys):
     mock_dialect.compress.return_value = "compressed"
     mock_dialect.compression_stats.return_value = {
         "original_chars": 100,
-        "compressed_chars": 30,
-        "original_tokens": 25,
-        "compressed_tokens": 8,
-        "ratio": 3.3,
+        "summary_chars": 30,
+        "original_tokens_est": 25,
+        "summary_tokens_est": 8,
+        "size_ratio": 3.3,
+        "note": "Estimates only.",
     }
     mock_dialect_mod = _make_mock_dialect_module(mock_dialect)
 
@@ -636,6 +639,7 @@ def test_cmd_compress_stores_results(mock_config_cls, capsys):
         cmd_compress(args)
     out = capsys.readouterr().out
     assert "Stored" in out
+    assert "Total:" in out
     mock_comp_col.upsert.assert_called_once()
 
 
diff --git a/tests/test_dialect.py b/tests/test_dialect.py
index 8edc7ec..057445a 100644
--- a/tests/test_dialect.py
+++ b/tests/test_dialect.py
@@ -115,6 +115,20 @@ class TestCompressionStats:
     def test_count_tokens(self):
         assert Dialect.count_tokens("hello world") == 2
 
+    def test_compression_stats_keys(self):
+        """Verify compression_stats() returns the expected key set."""
+        d = Dialect()
+        stats = d.compression_stats("hello world this is a test", "HW:test")
+        expected_keys = {
+            "original_chars",
+            "summary_chars",
+            "original_tokens_est",
+            "summary_tokens_est",
+            "size_ratio",
+            "note",
+        }
+        assert set(stats.keys()) == expected_keys
+
 
 class TestZettelEncoding:
     def test_encode_zettel(self):