fix: prevent Wingbits API stampede in theater posture#378
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bobo wants to merge 1 commit intokoala73:mainfrom
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fix: prevent Wingbits API stampede in theater posture#378bobo wants to merge 1 commit intokoala73:mainfrom
bobo wants to merge 1 commit intokoala73:mainfrom
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…stampede The theater posture handler used manual getCachedJson/setCachedJson which has no request coalescing. During the window between a cache miss and the cache write completing (~15s Wingbits timeout), every concurrent request bypassed the cache and fired its own POST to Wingbits with 9 bounding boxes — causing ~1500 requests/min. Switch to cachedFetchJson which deduplicates concurrent in-flight requests via a shared promise, so only one upstream fetch runs at a time. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
getCachedJson/setCachedJsonwith no request coalescing/v1/flightswith 9 bounding boxes — causing ~1500 requests/mincachedFetchJsonwhich deduplicates concurrent in-flight requests via a shared promise, so only one upstream fetch runs at a timeTest plan
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