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 # M4 — Merging and history
 
-- Repeated merge cycles
-  Let a task merge more than once. After the squash commit lands, reset the task branch to the new default-branch head, since squash commits leave the agent's commits as non-ancestors and later cycles would accumulate spurious conflicts (the per-turn history stays reachable through snapshot refs). Then tell the agent explicitly that its branch was squashed and reset, so it doesn't try to repair history, and resume it; files on disk don't change. Test this per vendor.
 - Archive search
   Search closed tasks across transcripts, artifacts and decisions.