SysManager 1.77.2

[1.77.2] - 2026-09-07

Cancel now works in System Logs. Filtering the log to Errors and Criticals over a long period could leave the
tab stuck for minutes with Cancel doing nothing at all — four and a half minutes on one slower machine, against
a stop asked for after ten seconds.

Fixed

• Pressing Cancel while System Logs is reading now stops it. The filtering was being done by Windows
  itself, inside a single call SysManager had no way to interrupt: it searched the whole period for a matching
  event before handing anything back, and until it did, Cancel and Refresh could do nothing. SysManager now
  reads the events and applies the severity filter itself, so it can stop between one event and the next. An
  unfiltered read — what the tab does by default — behaves exactly as before.

Added

• A test that a cancelled filtered read comes back quickly. It asks for a severity the log almost never
  contains, which is the case that used to hang: there is nothing to find, so the search ran to the end.

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Expected SHA256: B428CF408CC8248E73EF3EE7B91EA7019E714ADF2A08CDAD10536F58D7493D67

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