agentson 2e550f8b58 fix: correct TR_ID, path, and params for fetch_market_rankings (#155) ...

Three bugs found by comparing against KIS official GitHub examples:

1. FID_COND_SCR_DIV_CODE: "20001" → "20171" (volume-rank screen code)
2. FID_TRGT_EXLS_CLS_CODE: "000000" (6-digit) → "0000000000" (10-digit)
3. fluctuation ranking:
   - TR_ID: "FHPST01710100" (invalid) → "FHPST01700000"
   - path: /quotations/volume-rank → /ranking/fluctuation
   - params: volume-rank params → lowercase fluctuation-specific params
     (fid_rank_sort_cls_code, fid_input_cnt_1, fid_prc_cls_code,
      fid_rsfl_rate1, fid_rsfl_rate2, etc.)

Note: VTS (paper trading) does not return data from ranking APIs regardless
of parameter correctness — this is a KIS policy restriction, not a code bug.
These fixes ensure correct behavior when switching to a live account.

Tests: TestFetchMarketRankings (3 tests) added to test_broker.py

Closes #155

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

2026-02-19 10:25:38 +09:00

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