refactor: move the decision log to tradingagents/decision_log.py

- it is the run's persistent record, used by the graph, backtest and CLI, not an agent utility; agents/utils is gone

tests/test_backtest.py

@@ -10,8 +10,8 @@ from __future__ import annotations
 
 import pytest
 
-from tradingagents.agents.utils.memory import TradingMemoryLog
 from tradingagents.backtest import iter_grid, run_backtest, summarize
+from tradingagents.decision_log import TradingMemoryLog
 
 DECISION = "Rating: Buy\n\nbuy it"
 

tests/test_cli_decision_log.py

@@ -11,7 +11,7 @@ from __future__ import annotations
 
 import pytest
 
-from tradingagents.agents.utils.memory import TradingMemoryLog
+from tradingagents.decision_log import TradingMemoryLog
 from tradingagents.graph.trading_graph import TradingAgentsGraph
 
 

tests/test_memory_log.py

@@ -7,7 +7,7 @@ import pytest
 
 from tradingagents.agents.managers.portfolio_manager import create_portfolio_manager
 from tradingagents.agents.schemas import PortfolioDecision, PortfolioRating
-from tradingagents.agents.utils.memory import TradingMemoryLog
+from tradingagents.decision_log import TradingMemoryLog
 from tradingagents.graph.propagation import Propagator
 from tradingagents.graph.reflection import Reflector
 from tradingagents.graph.trading_graph import TradingAgentsGraph
@@ -886,12 +886,12 @@ class TestLegacyRemoval:
 
     def test_financial_situation_memory_removed(self):
         """FinancialSituationMemory must not be importable from the memory module."""
-        import tradingagents.agents.utils.memory as m
+        import tradingagents.decision_log as m
         assert not hasattr(m, "FinancialSituationMemory")
 
     def test_bm25_not_imported(self):
         """rank_bm25 must not be present in the memory module namespace."""
-        import tradingagents.agents.utils.memory as m
+        import tradingagents.decision_log as m
         assert not hasattr(m, "BM25Okapi")
 
     def test_reflect_and_remember_removed(self):
@@ -957,7 +957,7 @@ class TestLegacyRemoval:
 def test_a_failed_reflection_leaves_the_entry_pending_and_lets_the_run_start(tmp_path, monkeypatch):
     """Settling past decisions happens on the way into a new run, and reflection
     calls an LLM. A transient failure there must not stop the new analysis."""
-    from tradingagents.agents.utils.memory import TradingMemoryLog
+    from tradingagents.decision_log import TradingMemoryLog
     from tradingagents.graph.trading_graph import TradingAgentsGraph
 
     graph = object.__new__(TradingAgentsGraph)
@@ -990,7 +990,7 @@ def test_a_failed_reflection_leaves_the_entry_pending_and_lets_the_run_start(tmp
 def test_the_holding_window_is_configurable(tmp_path, monkeypatch):
     """A decision written for months should not be graded at a week without the
     operator choosing that window."""
-    from tradingagents.agents.utils.memory import TradingMemoryLog
+    from tradingagents.decision_log import TradingMemoryLog
     from tradingagents.graph.trading_graph import TradingAgentsGraph
 
     graph = object.__new__(TradingAgentsGraph)

tests/test_memory_pointintime.py

@@ -10,7 +10,7 @@ from __future__ import annotations
 
 import pytest
 
-from tradingagents.agents.utils.memory import TradingMemoryLog
+from tradingagents.decision_log import TradingMemoryLog
 
 
 def _log(tmp_path):

tests/test_portfolio_context.py

@@ -76,7 +76,7 @@ def test_load_reads_a_valid_file(tmp_path):
 # --- threading through the graph --------------------------------------------
 
 def _bare_graph(tmp_path):
-    from tradingagents.agents.utils.memory import TradingMemoryLog
+    from tradingagents.decision_log import TradingMemoryLog
     from tradingagents.graph.propagation import Propagator
     from tradingagents.graph.trading_graph import TradingAgentsGraph
 

tests/test_rating_integrity.py

@@ -63,7 +63,7 @@ def test_the_scale_quoted_in_a_prompt_does_not_become_the_rating():
 
 @pytest.mark.unit
 def test_the_memory_log_records_review_rather_than_a_tradeable_hold(tmp_path):
-    from tradingagents.agents.utils.memory import TradingMemoryLog
+    from tradingagents.decision_log import TradingMemoryLog
 
     log = TradingMemoryLog({"memory_log_path": str(tmp_path / "m.md")})
     log.store_decision("NVDA", "2026-01-05", REFUSAL)
@@ -75,7 +75,7 @@ def test_the_memory_log_records_review_rather_than_a_tradeable_hold(tmp_path):
 @pytest.mark.unit
 def test_the_signal_and_the_log_agree_on_the_same_decision(tmp_path):
     from tradingagents.agents.rating import parse_rating
-    from tradingagents.agents.utils.memory import TradingMemoryLog
+    from tradingagents.decision_log import TradingMemoryLog
 
     log = TradingMemoryLog({"memory_log_path": str(tmp_path / "m.md")})
     for text in (INVERTED, REFUSAL, "**Rating**: Buy\n\nAccumulate."):
@@ -89,8 +89,8 @@ def test_the_signal_and_the_log_agree_on_the_same_decision(tmp_path):
 @pytest.mark.unit
 def test_an_unscored_decision_is_left_out_of_the_backtest_figures(tmp_path):
     """REVIEW has no direction, so it cannot count for or against the system."""
-    from tradingagents.agents.utils.memory import TradingMemoryLog
     from tradingagents.backtest import summarize
+    from tradingagents.decision_log import TradingMemoryLog
 
     log = TradingMemoryLog({"memory_log_path": str(tmp_path / "m.md")})
     log.store_decision("NVDA", "2026-01-05", "**Rating**: Buy\n\nx")