fix(security): resolve path-injection, B701, B101, B112 Bandit alerts

- Path injection (B614): centralized safe_resolve_path in core/utils.py,
  refactored 6 UI modules to use it with safe_root validation
- B701: added explicit autoescape=select_autoescape() to Jinja2
  Environment() calls in 3 files
- B101: replaced assert statements with proper if/raise patterns in
  12+ files (partial)
- B112: added logger.warning() to bare except:continue blocks in
  5 files

rdagent/components/coder/data_science/ensemble/eval.py

@@ -2,7 +2,7 @@ import json
 import re
 from pathlib import Path
 
-from jinja2 import Environment, StrictUndefined
+from jinja2 import Environment, StrictUndefined, select_autoescape
 
 from rdagent.app.data_science.conf import DS_RD_SETTING
 from rdagent.components.coder.CoSTEER.evaluators import (
@@ -55,7 +55,7 @@ class EnsembleCoSTEEREvaluator(CoSTEEREvaluator):
         fname = "test/ensemble_test.txt"
         test_code = (DIRNAME / "eval_tests" / "ensemble_test.txt").read_text()
         test_code = (
-            Environment(undefined=StrictUndefined)
+            Environment(undefined=StrictUndefined, autoescape=select_autoescape())
             .from_string(test_code)
             .render(
                 model_names=[