Aglet

Verify notification deduplication across retries and state changes

Verification should prove that the deduplication rule reduces duplicate representations while leaving legitimate state changes visible. Test inside and outside the window, vary event identity and state, and inspect history and action. Keep channel limits explicit. Keep the expected timing limit visible in the result.

Check whether the outcome improved

  1. Check a duplicate inside the window

    Replay the same event through retry or another channel and confirm one understandable representation remains. Verify identity, state, timestamp, action, and history. Record any expected channel delay. Check that history still names the source event.

  2. Check a real repeat

    Create or review a distinct state change inside or near the window and confirm it is not suppressed. Ensure the latest action, resource, and summary remain visible when grouped. Record the boundary that kept the transition visible.

  3. Review boundaries

    Test outside-window timing, direct history, narrow layout, empty state, and channel-specific output. State identity and platform coverage. Leave a partial pass when source identity or external delivery is not directly verifiable. Keep a distinct transition visible beside the merged retry.

What to carry forward

Verification passes when duplicate event representations coalesce within the defined boundary and real transitions remain visible with their actions. If timing or channel coverage is partial, document it. Fewer notifications alone is not evidence of a correct window.

Technical background: Android developer documentation.

Keep the decision with the work.

Use a Work Item in Aglet to record the problem, the evidence you have, and the next decision. Add an owner and priority, then keep updates in the discussion so the next person can follow the reasoning.

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