fix: F-2026-18190 | [Dual Defense] Obsolete TSS Keyshares Survive Quorum Change Without Deletion or Retirement - #305

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Aman035 wants to merge 7 commits into

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Commits on Aug 17, 2026

fix: delete keyshares superseded by quorum change or key refresh (F-2026-18190)
Aman035
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dea74fb
fix: resolve keyshare pubkeys per share instead of paging full key history (F-2026-18190)
Aman035
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dbdffaa
refactor: rename keysharegc to keysharesweeper, sweep hourly (F-2026-18190)
Aman035
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3136316
refactor: move keyshare sweeper into keyshare package, guard Start with sync.Once (F-2026-18190)
Aman035
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81e41a9
refactor: sweep keyshares daily and run once at start (F-2026-18190)
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6a87cf0
test: cover GetKeyByID and guard nil query response (F-2026-18190)
Aman035
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618b5fe
refactor: drop redundant pending-process and fund-migration guards from keyshare sweeper (F-2026-18190)
Aman035
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36acc68