merge: Integrate remote formatting changes with local fixes

CHANGELOG.md

@@ -200,7 +200,7 @@ Each entry includes:
 - **Notes**: 
   - **Integration Validation**: Complete text → embedding → storage → search workflow tested and working
   - **End-to-End Testing**: Successfully validated EmbeddingService + VectorDatabase integration
-  - **Performance Verification**: All operations <100ms, model caching working efficiently
+  - **Performance Verification**: Model caching working efficiently, operations observed to be fast (no timing recorded)
   - **Quality Achievement**: 25+ new tests added, comprehensive error handling, full documentation
   - **Foundation Complete**: ChromaDB + HuggingFace embeddings fully integrated and tested
   - **Phase 2A Status**: ✅ COMPLETED SUCCESSFULLY - Ready for Phase 2B Enhanced Ingestion Pipeline

tests/test_embedding/test_embedding_service.py

@@ -144,7 +144,7 @@ def test_special_characters_handling():
     service = EmbeddingService()
 
     texts_with_special_chars = [
-        "Policy with émojis 😀 and úñicode",
+        "Policy with emojis 😀 and úñicode",
         "Text with numbers: 123,456.78 and symbols @#$%",
         "Markdown: # Header\n## Subheader\n- List item",
         "Mixed: Policy-2024 (v1.2) — updated 12/01/2025",