feat: enable chart recognition with PaddlePaddle 3.2.1

- Fixed WSL CUDA library path in ~/.bashrc
- Upgraded PaddlePaddle from 3.0.0 to 3.2.1
- Verified fused_rms_norm_ext API is now available
- Enabled chart recognition in ocr_service.py
- Updated CHART_RECOGNITION.md to reflect enabled status

Chart recognition now supports:
✅ Chart type identification
✅ Data extraction from charts
✅ Axis and legend parsing
✅ Converting charts to structured data

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

.claude/settings.local.json

@@ -71,7 +71,8 @@
       "Bash(alembic current:*)",
       "Bash(git clean:*)",
       "Bash(npx tsc:*)",
-      "Bash(./node_modules/.bin/tsc:*)"
+      "Bash(./node_modules/.bin/tsc:*)",
+      "Bash(export LD_LIBRARY_PATH=/usr/lib/wsl/lib:$LD_LIBRARY_PATH echo \"Updated LD_LIBRARY_PATH:\" echo \"$LD_LIBRARY_PATH\" echo \"\" echo \"Testing CUDA library loading:\" ldconfig -p)"
     ],
     "deny": [],
     "ask": []