proxy globals to isolate them between tests - #83
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Proxy globals to isolate them between tests
Added global proxy system using AsyncLocalStorage to isolate global variable modifications between test contexts. When user code patches globals like
setTimeout,fetch,Date, etc., the changes are scoped to the current handler execution and don't leak to nested Convex calls or parallel executions.The proxy intercepts reads/writes to a predefined list of patchable globals, storing overrides in per-context storage while falling back to original values when no override exists.
Added comprehensive test coverage for global isolation scenarios including nested queries/mutations, parallel actions, and inline handlers.