revert main connection contract#531

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snowboy3 wants to merge 56 commits intoshinnytech:masterfrom

graceim-ai:bro_0401

Commits on Mar 16, 2026

Removed auth for local backtest
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Commits on Mar 19, 2026

Commits on Mar 20, 2026

Performance optimization
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Commits on Mar 22, 2026

Merge pull request #2 from graceim-ai/zhongkai/performance
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Commits on Mar 23, 2026

Optimize _merge_diff, Entity, and orders property

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Optimize _notify_update and _simple_merge_diff_and_collect_paths

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Cache orders_entity reference in Position.orders property

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Replace isinstance with type() is checks in merge_diff functions
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Optimize orders/trade_records: replace dict.get() with direct [] access

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Optimize datetime parsing: replace strptime/strftime with direct construction

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Avoid nano->str->nano round-trip in backtest trading time check

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Optimize _notify_update and skip channel logging when disabled

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Micro-optimizations: positional args, type checks, direct dict access

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Inline _get_obj_single into _merge_diff, optimize _gen_diff_obj

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Fix orders caching: compute once per priority group in calling loop

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Remove unnecessary tuple() in _simple_merge_diff functions

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Batch trade diff merges by prototype type

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Bypass Entity method dispatch for prototype lookups in _merge_diff

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Optimize datetime_state.update_state and trade_base._append_to_diffs

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Skip WeakSet iteration for empty listeners in _notify_update

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Cache Position.orders with dirty-flag invalidation via _listener

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Build reverse index for _get_trade_price order_id lookups

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Cache computed values in _update_serial_single and _process_serial_extra_array

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Lazy WeakSet creation for Entity._listener

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Cache time period parsing and fast-path _append_to_diffs for 2-element paths

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Bypass _is_obj_changing for serial updates with cached paths

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Inline _notify_update in _merge_diff and skip tuple(diff) when reduce_diff=False

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Add reverse index for trade_records to avoid O(n) scan per order

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Commits on Mar 24, 2026

Commits on Mar 25, 2026

Commits on Mar 26, 2026

Added harness engineering code
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Commits on Apr 1, 2026