#telemetry 3 articles

• Diagnostics that cannot survive the crash they are diagnosinggotchas / toolingFrozen threads stop repainting, sessionStorage dies with the tab and the next healthy run overwrites the crash report; persist synchronously and never gate recovery on a flag
• Wrapping MSGraphClientV3 to count calls fails silently — and your fail-safe catch hides itgotchas / spfxReassigning client.api throws and your fail-safe catch hides it; use Object.create and assert it attached
• Write to Azure Table Storage from a Node Azure Function — no SDK, SharedKeyLitesnippets / restTelemetry/counters from an Azure Function without @azure/data-tables bloat — Table-flavored SharedKeyLite signing, first-= connection-string parsing, 409 = fine