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What

composer-session-retirement failed in "Android first-character baseline (emulator)" on #3614 (run 39995481533) and #3604 (run 39996195570), with text="sentsent".

Cause

1. Attempt 1 was killed because a system provider process died. run-instrumentation-with-retry.sh correctly classed that as an infra-abort and retried.
2. The retry reopened the same fixture channel, and the composer restored the draft "sent" that attempt 1 had persisted.
3. The test's own commitText("sent") then produced "sentsent", and the IME-setup wait timed out.

This is not a product or network regression. It reproduces on any build: running the test twice on one emulator without clearing app data fails the second run the same way. I checked that locally with both #3614's APKs and an older green reference build: run 1 passes, runs 2 and 3 fail (sendssent, sendssentsent). With pm clear between runs, both runs pass.

Fix

• run-instrumentation-with-retry.sh takes an optional INSTRUMENTATION_RETRY_RESET_CMD. It runs only before a retry, never before attempt 1 and never after a pass. If the reset itself fails, that is logged as a warning, not treated as fatal.
• The first-character suite sets it to adb shell pm clear build.raft.app.connectedtest for connected-runner tests, so a retry starts from attempt 1's state.
• No assertion is changed.

Notes

• The other failure on feat(network): Ktor 3.6 on OkHttp 5.5; NetworkKMM and curl removed #3614's run, thread-newer-auto-pagination, is already fixed on main by test(thread): read fresh accessibility bounds in the newer-pagination emulator test #3613.
• The "attachment-download-runtime … failed post-assertions" lines in that log come from the suite runner's own self-test ("ok: post-assertion failure scenario verified"). The real attachment-download-runtime run passed (6 tests).

Tests

scripts/ci/test_instrumentation_retry_classification.sh gains reset-hook cases: the reset runs exactly once before a retry, and never on a first-attempt pass. That script and test_run_first_character_emulator_suite.sh pass locally.

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