docs: add API references, mapping corrections, and verification script

- Add yfinance.org and defeatbeta-api.org reference docs
- Fix defeatbeta_mapping.org: deprecated yfinance property names
  (quarterly_financials→quarterly_income_stmt, financials→income_stmt),
  longName vs longBusinessSummary conceptual mismatch, cashflow note typo
- Add Mapping Limitations section with live verification results (AAPL):
  DuckDB 1.4.3 incompatibility, format differences, coverage gaps
- Add docs/test_mapping.py as runnable mapping verification script
- Add offline.py, persistent_cache.py, download_data.py, warmup_cache.py
  for offline/cached defeatbeta usage
- Add aapl_yfinance.py exploration script and quant.py scaffold
- Add .envrc (uv layout) and update pyproject.toml + uv.lock

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

This commit is contained in:

Wong Ding Feng

2026-04-26 15:33:21 +08:00

parent b71a8e77b0

commit b5bf689e72

16 changed files with 3650 additions and 141 deletions

quant_scaffold.ipynb

+1 -1

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@@ -628,7 +628,7 @@
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    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
    "version": "3.13.12"
    "version": "3.12.12"
   }
  },
  "nbformat": 4,