186bce8984
11 test classes covering all three orthogonal dimensions:
1. OrderType enum (10 tests): values, uppercase, str, hashable, frozen
2. TimeInForce enum (7 tests): values, default, IOC/FOK/GTD
3. OrderInstruction enum (3 tests): values
4. Exchange mapping tables (15 tests): all exchanges, all types, POST_ONLY
variation, trailing_stop BingX=BINANCE_MARKET
5. Normalization functions (9 tests): type, TIF, unknown exchange
6. is_type_available + get_supported_types (3 tests)
7. decompose_order (13 tests): all base, TIF, instructions, lowercase
8. FulfilmentAction (14 tests): frozen, time_in_force, post_only, reduce_only,
lazy TIF import, cancel_replace, metadata
9. State OrderType backward compat (4 tests): values, str, set, comparison
10. Scenario venue tagging (7 tests): default, custom, frozen, replace
11. ScenarioFactory venue propagation (8 tests): exchange_id, all venues
12. Cross-exchange transfer (11 tests): transfer, count, symbol, tags, idempotent
13. PerformanceMatrix venue-keying (16 tests): record, get_best, per-venue,
EMA, coverage, venue_comparison
14. CWM is_maker (8 tests): LIMIT, post_only, MARKET, STOP, trailing
15. Edge cases (12 tests): poison, zero scores, large scores, 100 strategies
16. Integration flow (6 tests): factory→transfer→matrix→selector