fix: rename eval.py to eval_checks.py to avoid shadowing stdlib eval

Also fixes _is_entity path check to use Path.parts instead of string
containment, preventing false positives on paths like "domains/entities-overview/".

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

reweave.py

@@ -168,8 +168,8 @@ def _is_entity(path: Path) -> bool:
     fm = _parse_frontmatter(path)
     if fm and fm.get("type") == "entity":
         return True
-    # Also check path — entities live under entities/ directory
-    return "entities/" in str(path)
+    # Check path parts — avoids false positives on paths like "domains/entities-overview/"
+    return "entities" in Path(path).parts
 
 
 def _same_source(path_a: Path, path_b: Path) -> bool:

telegram/bot.py

@@ -386,7 +386,7 @@ def get_db_stats() -> dict:
         return {"merged_claims": "?", "contributors": "?"}
 
 
-from eval import (
+from eval_checks import (
     _LLMResponse, estimate_cost, check_url_fabrication, apply_confidence_floor,
     CONFIDENCE_FLOOR, COST_ALERT_THRESHOLD,
 )

tests/test_eval_pipeline.py

@@ -17,7 +17,7 @@ import pytest
 # Add telegram/ to path for imports
 sys.path.insert(0, str(Path(__file__).parent.parent / "telegram"))
 
-from eval import (
+from eval_checks import (
     _LLMResponse,
     estimate_cost,
     check_url_fabrication,