Zer4tul 48c93e2ce9 feat: dynamic execution mode — Undecided tasks, two-phase dispatch, assign API ... - ExecutionMode enum adds Undecided variant (default for new tasks) - Webhook creates tasks as Undecided instead of hardcoded SshCli - Dispatch loop: Phase 1 matches ssh_cli hosts, Phase 2 marks remaining as HttpPull - Dequeue now returns http_pull AND undecided tasks (atomic claim) - New endpoint: POST /api/v1/tasks/{id}/assign for coordinator explicit assignment - Backward compatible: existing SshCli/HttpPull tasks unaffected - 37 tests passing (6 new)		2026-05-13 05:29:12 +08:00
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changes	feat: dynamic execution mode — Undecided tasks, two-phase dispatch, assign API	2026-05-13 05:29:12 +08:00