cron/scheduler.py (8535 -> 6353):
- _deliver_result split into per-target helpers: _resolve_target_transport (live/relay/standalone
transport + enablement), _deliver_via_live_adapter (_live_route_metadata for Telegram DM-topic
vs forum routing, _live_send_text with the cancel()-based timeout disambiguation,
_live_send_media, _seed_live_delivery_sessions), _standalone_send/_deliver_standalone. The
three interpreter-shutdown skip branches and the repeated log+append+continue pattern collapse
into one _note_target_error / one shutdown message; _TargetDelivery carries per-target state.
- Thread/channel session seeding unified into _seed_cron_session (was two near-identical
functions).
- run_job decomposed into _run_no_agent_job, _apply_monitor_gate, _load_cron_job_config
(_CronJobConfig), _resolve_job_runtime, _check_model_drift, _open_cron_session_db,
_run_agent_with_watchdog, _finalize_cron_session, plus one _run_doc_header and one _audit
closure for the success/failure paths.
- _run_one_job_body: ownership-lost bookkeeping, delivery composition and outcome classification
extracted; tick: _acquire_tick_lock/_release_tick_lock, _maybe_reap_dead_owners,
_sweep_stale_inflight_for_tick, _process_due_job, _submit_with_guard.
- _build_job_prompt: context_from injection and skill loading extracted; one
_prepend_context_block for the four fenced-data blocks.
- One _start_heartbeat_thread for the script- and fire-claim heartbeat threads.
- Dropped unreachable return in SharedRouteAdapters.get; boolean-return and nested-if shapes
collapsed.
- Comments/docstrings compacted by hand, rationale kept (fd-leak reason for the late SessionDB
close callback, title-persistence rules, no_agent classification gate, inactivity-vs-provider
timeout ordering, stale-claim force-release, interruption token keying).
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