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feat: add transaction lifecycle callbacks (#10144)

* feat: add transaction lifecycle callbacks

- Add afterCommit() and afterRollback() callbacks to database connections
- Run callbacks only after the outermost transaction commits or rolls back
- Discard callbacks registered for the opposite transaction outcome
- Document callback exception behavior and automatic rollback handling
- Add live database coverage for callback ordering, nesting, and failures

Signed-off-by: memleakd <121398829+memleakd@users.noreply.github.com>

* feat(database): refine transaction callback API

Signed-off-by: memleakd <121398829+memleakd@users.noreply.github.com>

* docs(database): document transaction callback interface break

Signed-off-by: memleakd <121398829+memleakd@users.noreply.github.com>

* docs(database): sort interface change entry

Signed-off-by: memleakd <121398829+memleakd@users.noreply.github.com>

* test(database): address transaction callback review notes

Signed-off-by: memleakd <121398829+memleakd@users.noreply.github.com>

* test(database): cover transaction callback retry behavior

- Add commit callback coverage when driver commit fails once
- Add rollback callback coverage when driver rollback fails once
- Verify callbacks run after retry and are cleared afterward

Signed-off-by: memleakd <121398829+memleakd@users.noreply.github.com>

* fix(database): harden worker transaction cleanup

- Catch rollback callback exceptions during worker cleanup
- Log cleanup callback failures as critical
- Add regression coverage for worker-mode rollback cleanup

Signed-off-by: memleakd <121398829+memleakd@users.noreply.github.com>

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Signed-off-by: memleakd <121398829+memleakd@users.noreply.github.com>

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