fix(core): preserve adapter command contracts

harness/tests/test_memory_save_one.py

@@ -8,11 +8,8 @@ pgvector as a one-row upsert. This test pins the pure core of that behavior:
 - writer.sync is NEVER called (that is the full-resync path)
 """
 from datetime import datetime
-from pathlib import Path
 from unittest.mock import MagicMock
 
-import pytest
-
 from tht.memory import MemoryRecord, memory_vector_record_for_decision, save_one_memory
 
 
@@ -47,31 +44,31 @@ def test_returns_none_for_unknown_decision_seq():
 def test_save_one_calls_upsert_with_single_row_never_sync():
     records = [_record(seq=7)]
     writer = MagicMock()
-    writer.upsert_records.return_value = 1
+    writer.upsert.return_value = 1
     embedder = MagicMock()
     embedder.embed_documents.return_value = [[0.1] * 8]
 
-    upserted = save_one_memory(records, decision_seq=7, writer=writer, embedder=embedder)
+    upserted = save_one_memory(records, decision_seq=7, store=writer, embedder=embedder)
 
     assert upserted == 1
     writer.sync.assert_not_called()  # the whole point of D11: no full resync
-    writer.upsert_records.assert_called_once()
-    args = writer.upsert_records.call_args
+    writer.upsert.assert_called_once()
+    args = writer.upsert.call_args
     # table is memory, exactly one row
     assert args[0][0] == "memory"
     rows = args[0][1]
     assert len(rows) == 1
-    assert rows[0]["record_key"] == "memory:mem-0007"
-    assert "embedding" in rows[0]
+    assert rows[0].record.id == "memory:mem-0007"
+    assert rows[0].embedding
 
 
 def test_save_one_no_record_for_seq_is_noop():
     records = [_record(seq=7)]
     writer = MagicMock()
     embedder = MagicMock()
-    upserted = save_one_memory(records, decision_seq=42, writer=writer, embedder=embedder)
+    upserted = save_one_memory(records, decision_seq=42, store=writer, embedder=embedder)
     assert upserted == 0
-    writer.upsert_records.assert_not_called()
+    writer.upsert.assert_not_called()
     writer.sync.assert_not_called()
     embedder.embed_documents.assert_not_called()
 
@@ -81,9 +78,9 @@ def test_save_one_uses_writer_key_for_upsert():
     Verified indirectly: save_one_memory takes the writer as its client argument."""
     records = [_record(seq=7)]
     writer = MagicMock()
-    writer.upsert_records.return_value = 1
+    writer.upsert.return_value = 1
     embedder = MagicMock()
     embedder.embed_documents.return_value = [[0.0] * 4]
-    save_one_memory(records, decision_seq=7, writer=writer, embedder=embedder)
+    save_one_memory(records, decision_seq=7, store=writer, embedder=embedder)
     # one upsert call, single row, table=memory
-    assert writer.upsert_records.call_count == 1
+    assert writer.upsert.call_count == 1