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BUILD & DISTRIBUTION VALIDATION SUMMARY
gapless-crypto-data v4.0.0
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VERDICT: ✅ GO - Package ready for PyPI publication

BUILD ARTIFACTS
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✅ Source dist: gapless_crypto_data-4.0.0.tar.gz (6.8 MB)
✅ Wheel: gapless_crypto_data-4.0.0-py3-none-any.whl (509 KB)
✅ Build reproducibility: PASS

PACKAGE METADATA
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✅ Version: 4.0.0
✅ Python: >=3.12 (classifiers: 3.12, 3.13)
✅ Dependencies: 7 runtime packages, 64 total resolved
✅ PyPI metadata: Complete (28 keywords, 11 classifiers, 5 URLs)
✅ Description: 264 chars, clear and informative
✅ README: 1,139 lines, comprehensive

IMPORT VALIDATION
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✅ Package import: PASS
✅ __version__: 4.0.0
✅ Metadata version: 4.0.0
✅ Core modules: 6/6 imported successfully
✅ API classes: BinancePublicDataCollector, UniversalGapFiller available

TYPE CHECKING (PEP 561)
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✅ py.typed marker: Present in source and wheel

PYPI READINESS
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✅ README.md: Present, well-structured (12+ sections)
✅ License: MIT (LICENSE + AUTHORS.md included)
✅ Classifiers: Production/Stable, comprehensive
✅ Wheel structure: Standard, compliant

DEPENDENCY RESOLUTION
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✅ clickhouse-driver: 0.2.10 (>=0.2.9)
✅ duckdb: 1.4.1 (>=1.1.0)
✅ httpx: 0.28.1 (>=0.25.0)
✅ pandas: 2.3.2 (>=2.0.0)
✅ pyarrow: 21.0.0 (>=16.0.0)
✅ pydantic: 2.12.3 (>=2.0.0)
✅ python-dotenv: 1.2.1 (>=1.0.0)
✅ No conflicts detected

BREAKING CHANGES (v4.0.0)
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⚠️ CLI removed - Machine interface only (Python API)
✅ Migration guide: docs/development/CLI_MIGRATION_GUIDE.md

CONFIDENCE LEVEL: HIGH
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All 20+ validation checks passed. Package is production-ready.

NEXT STEPS
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1. Publish to PyPI: uv publish
2. Create GitHub Release: Tag v4.0.0
3. Monitor PyPI: Verify package listing

EVIDENCE LOCATION
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/Users/terryli/eon/gapless-crypto-data/tmp/full-validation/build-distribution/

VALIDATION COMPLETE: 2025-11-17
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