Feature/orders websocket#2

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TuxedoFish wants to merge 15 commits intomainfrom

feature/orders-websocket

Commits on Feb 23, 2026

update to handle subscription responses
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small fix to remove string view
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Commits on Mar 9, 2026

refactor naming and approach
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add support for fetching all spot/perp metadata async/sync
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build symbol to hyperliquid security id map
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Commits on Mar 10, 2026

add sign l1 request and place order implementation
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Commits on Mar 14, 2026

implement rest place and cancel orders
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resolve build issues
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Commits on Mar 15, 2026

Allow websocket to submit post requests
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small fixes and test fill scenario
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dont leak the test targets
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track if the message is a snapshot for fills and order updates
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fix ping pong
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add debug output logging
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Commits on Mar 18, 2026

cleanup a few small nits
TuxedoFish
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