Koala73/worldmonitor New commit

[gavinlovespython]

fix: resolve Sentry errors — IndexedDB stale connection, USASpending timeout, WebGL context loss, RSS 403s

• storage.ts: add withTransaction() retry wrapper for IndexedDB InvalidStateError on iOS/Safari tab backgrounding
• usa-spending.ts: add 20s AbortController timeout to prevent Safari "Load failed" on stalled POST
• App.ts: add catch to runGuarded() to prevent unhandled rejections from task runner
• main.ts: add Sentry ignoreErrors for WebGL context loss and ResizeObserver loop
• DeckGLMap.ts: add webglcontextlost/restored handlers for graceful GPU recovery
• feeds.ts: route rsshub.app feeds (NHK, MIIT, MOFCOM) through Railway proxy, switch Nikkei Asia and ECFR to Google News proxy
• finance.ts: switch Nikkei Asia to Google News proxy, remove unused railwayRss helper