Intent declarative glue: scheduled activities (cron → query → notify)

[delchev]

What

Adds the schedules: block of the declarative-glue catalog — the "overdue reminders" pattern. On a cron tick, query an entity and notify per matching row, with no hand-written code:

schedules:
  - name: overdueLoans
    cron: "0 0 9 * * ?"
    entity: Loan
    where:
      - { field: dueOn,  op: lt, value: CURRENT_DATE }   # eq/ne/gt/ge/lt/le/like; CURRENT_DATE/CURRENT_TIMESTAMP → now()
      - { field: status, op: eq, value: "ACTIVE" }
    notify: { to: member.email, subject: "Overdue: {book.title}", body: "Your loan is overdue." }

→ generates gen/events/OverdueLoansJob.java: a @Scheduled JobHandler that runs new LoanRepository().findAll(Criteria…) and notifies per row.

How (heavy reuse of the just-merged foundation)

• ScheduleSupport.criteriaExpression (pure, unit-tested) builds the typed Criteria chain from where (the query API from Typed Criteria query API on JavaRepository (intent glue foundation) #6050) — field names PascalCased to the entity properties; CURRENT_DATE/CURRENT_TIMESTAMP → now().
• The per-row notify reuses NotificationSupport.plan (from Intent declarative glue: notifications (event → email @Listener) #6052) against the row entity — same relation-load + {field}/{relation.field} interpolation as notifications.
• GlueIntentGenerator emits a schedules collection into <intent>.glue; Job.java.template renders the @Scheduled JobHandler; generateUtils.js gets the schedules collection case. Parser validates name/cron/entity/operators/notify; honors the .settings override.

Testing

• ScheduleSupportTest — Criteria building (operators, PascalCase fields, date tokens, numbers) — green.
• IntentEngineIT.glue_template_generates_… extended: asserts the generated StaleOrdersJob is @Scheduled, queries via Criteria.create().lt("OrderDate", java.time.LocalDate.now()), loads the related Customer, and Mail.sends per row — green locally (Tests run: 1, Failures: 0). CI runs the full suite on H2/PostgreSQL/MSSQL.

Scope / gaps

Action is notify only; between/in operators and process trigger: { onSchedule: <cron> } (timer start event) are later increments.

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