test: mark paid-tier Finnhub endpoints; update evaluation with live results
Live testing with free-tier key confirmed:
- /quote, /stock/profile2, /stock/metric, /company-news, /news,
/stock/insider-transactions → all free tier (27 live tests PASS)
- /stock/candle, /financials-reported, /indicator → paid tier HTTP 403
(14 tests now properly skipped with @pytest.mark.paid_tier)
Also:
- Register 'integration' and 'paid_tier' markers in pyproject.toml
- Update docs/finnhub_evaluation.md with confirmed endpoint availability table
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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