feat: make resume upload-only

[CryptoJones]

Summary

• replace the résumé settings editor with a PDF upload-only workflow
• store extracted PDF text as the résumé brief instead of guessing structured fields
• bump release version to 1.10.0

Tests

• dotnet test api/ApplyTrack.slnx
• npm run test:web
• .venv/bin/ruff check src tests
• .venv/bin/mypy src
• .venv/bin/pytest -q
• git diff --check

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