fix(ci): lazy import logger in predix.py and cli.py to avoid ImportError in test env

Wrapped  in try/except
ImportError with standard logging fallback. The rdagent.log
module chain fails when predix.py is imported as a module
in the CI test environment (kronos CLI tests).

predix.py

@@ -18,7 +18,12 @@ load_dotenv(Path(__file__).parent / ".env")
 import typer
 from rich.console import Console
 
-from rdagent.utils.env import logger
+try:
+    from rdagent.utils.env import logger
+except ImportError:
+    import logging
+
+    logger = logging.getLogger(__name__)
 
 app = typer.Typer(help="Predix - AI Quantitative Trading Agent")
 console = Console()

rdagent/app/cli.py

@@ -27,7 +27,12 @@ import typer
 from rich.console import Console
 from typing_extensions import Annotated
 
-from rdagent.utils.env import logger
+try:
+    from rdagent.utils.env import logger
+except ImportError:
+    import logging
+
+    logger = logging.getLogger(__name__)
 
 from rdagent.app.data_science.loop import main as data_science
 from rdagent.app.finetune.llm.loop import main as llm_finetune