feat(config): expose memory log, recursion limit, and news parameters in _ENV_OVERRIDES

Author: loulanyue

tests/test_temperature_config.py

@@ -81,3 +81,33 @@ def test_none_omitted(self):
 
     def test_empty_string_omitted(self):
         assert "temperature" not in self._kwargs_for("")
+
+
+@pytest.mark.unit
+class TestEnvOverridesExtended:
+    def test_env_overrides_memory_and_news_config(self, monkeypatch):
+        import tradingagents.default_config as dc
+
+        monkeypatch.setenv("TRADINGAGENTS_MEMORY_LOG_MAX_ENTRIES", "25")
+        monkeypatch.setenv("TRADINGAGENTS_MAX_RECUR_LIMIT", "150")
+        monkeypatch.setenv("TRADINGAGENTS_NEWS_ARTICLE_LIMIT", "30")
+        monkeypatch.setenv("TRADINGAGENTS_GLOBAL_NEWS_ARTICLE_LIMIT", "15")
+        monkeypatch.setenv("TRADINGAGENTS_GLOBAL_NEWS_LOOKBACK_DAYS", "14")
+
+        importlib.reload(dc)
+        assert dc.DEFAULT_CONFIG["memory_log_max_entries"] in ("25", 25)
+        assert dc.DEFAULT_CONFIG["max_recur_limit"] == 150
+        assert dc.DEFAULT_CONFIG["news_article_limit"] == 30
+        assert dc.DEFAULT_CONFIG["global_news_article_limit"] == 15
+        assert dc.DEFAULT_CONFIG["global_news_lookback_days"] == 14
+
+        for var in (
+            "TRADINGAGENTS_MEMORY_LOG_MAX_ENTRIES",
+            "TRADINGAGENTS_MAX_RECUR_LIMIT",
+            "TRADINGAGENTS_NEWS_ARTICLE_LIMIT",
+            "TRADINGAGENTS_GLOBAL_NEWS_ARTICLE_LIMIT",
+            "TRADINGAGENTS_GLOBAL_NEWS_LOOKBACK_DAYS",
+        ):
+            monkeypatch.delenv(var, raising=False)
+        importlib.reload(dc)
+

tradingagents/agents/utils/memory.py

@@ -23,7 +23,8 @@ def __init__(self, config: dict = None):
             self._log_path = Path(path).expanduser()
             self._log_path.parent.mkdir(parents=True, exist_ok=True)
         # Optional cap on resolved entries. None disables rotation.
-        self._max_entries = cfg.get("memory_log_max_entries")
+        max_ent = cfg.get("memory_log_max_entries")
+        self._max_entries = int(max_ent) if max_ent is not None else None
 
     # --- Write path (Phase A) ---
 

tradingagents/default_config.py

@@ -19,6 +19,11 @@
     "TRADINGAGENTS_BENCHMARK_TICKER":     "benchmark_ticker",
     "TRADINGAGENTS_TEMPERATURE":          "temperature",
     "TRADINGAGENTS_LLM_MAX_RETRIES":      "llm_max_retries",
+    "TRADINGAGENTS_MEMORY_LOG_MAX_ENTRIES": "memory_log_max_entries",
+    "TRADINGAGENTS_MAX_RECUR_LIMIT":      "max_recur_limit",
+    "TRADINGAGENTS_NEWS_ARTICLE_LIMIT":   "news_article_limit",
+    "TRADINGAGENTS_GLOBAL_NEWS_ARTICLE_LIMIT": "global_news_article_limit",
+    "TRADINGAGENTS_GLOBAL_NEWS_LOOKBACK_DAYS": "global_news_lookback_days",
     # Provider-specific reasoning/thinking knobs (None = each provider's own
     # default). Settable here for non-interactive runs; the CLI also offers an
     # interactive choice, which is skipped when the matching var is set.