Migrate scheduler config to jobs

[s-hiraoku]

Summary

• Move .kaizen/config.yml from fixed scheduler fields to scheduler.jobs.
• Represent the 01:45 guarded run as maintenance and the 13:45 unguarded run as maintenance-followup.
• Keep the disabled poll behavior as a disabled issue-watch job.

Verification

• Repository validation commands from .kaizen/config.yml
• Parsed the updated config with the current kaizen-loop schema

Closes #13

Summary by CodeRabbit

• Chores
  • Updated the scheduler configuration to use a new job-based structure.
  • Adjusted maintenance timing to two daily runs with distinct execution parameters.
  • Replaced the prior interval-based watch setup with a clearly defined, currently disabled issue-watch job.

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📝 Walkthrough

Walkthrough

The .kaizen/config.yml scheduler section is rewritten to replace the legacy nightly, afternoon, and poll top-level keys with a scheduler.jobs map. Two maintenance jobs are added with a times-based schedule at 01:45 (with lateStartGuard: true) and 13:45 (with lateStartGuard: false), both using run.mode: maintenance. An issue-watch job replaces poll with a 5-minute interval schedule, run.mode: watch, and skipIfRunning: true while remaining disabled.

Changes

Scheduler Config Migration

Layer / File(s)	Summary
scheduler.jobs restructure .kaizen/config.yml	Removes the nightly, afternoon, and poll top-level scheduler keys. Introduces scheduler.jobs with maintenance job entries for 01:45 (lateStartGuard: true) and 13:45 (lateStartGuard: false), both with run.mode: maintenance, and an issue-watch job (5-minute interval, run.mode: watch, skipIfRunning: true, disabled).

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Possibly related issues

• #13 [monitor] Migrate scheduler config to scheduler.jobs — This PR directly implements the migration described in the issue, converting .kaizen/config.yml from the legacy scheduler.nightly/afternoon/poll shape to the scheduler.jobs structure with the recommended maintenance and issue-watch job definitions.

Possibly related PRs

• kaizen-agents-org/.github#20: Modifies .kaizen/config.yml with scheduler configuration changes covering the same nightly run times and 5-minute interval polling with skipIfRunning.
• kaizen-agents-org/builder-agent#21: Updates .kaizen/config.yml with a scheduler.poll interval-based setup (5 minutes, skipIfRunning) that this PR supersedes with the issue-watch job.
• kaizen-agents-org/kaizen-loop#66: Modifies .kaizen/config.yml's scheduler.jobs.maintenance configuration, directly overlapping with this PR's maintenance job definitions and lateStartGuard settings.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately summarizes the main change: migrating scheduler configuration to the new jobs schema.
Linked Issues check	✅ Passed	The PR fully implements issue #13 requirements: migrates to scheduler.jobs schema, consolidates fixed times into single maintenance job with times schedule, preserves disabled issue-watch job, and maintains 01:45/13:45 JST cadence.
Out of Scope Changes check	✅ Passed	All changes are directly related to the scheduler configuration migration. Only .kaizen/config.yml was modified with no extraneous alterations.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch kaizen/issue-13-scheduler-jobs

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Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In @.kaizen/config.yml:
- Around line 17-32: The configuration currently defines two separate
maintenance jobs (the maintenance job and the maintenance-followup job), each
with a single daily schedule time, but they should be consolidated into a single
maintenance job with multiple scheduled times to match the migration contract.
Remove the maintenance-followup job definition entirely and update the
maintenance job's schedule to support multiple execution times (01:45 and 13:45)
using a times-based schedule structure instead of the current daily schedule
with a single time field.

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Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

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