distributable, please

docker/distributable/packs/core/triggers/crontimer.yaml

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+# Cron Timer Trigger
+# Fires based on cron schedule expressions
+
+ref: core.crontimer
+label: "Cron Timer"
+description: "Fires based on a cron schedule expression (e.g., '0 0 * * * *' for every hour)"
+enabled: true
+
+# Trigger type
+type: cron
+
+# Parameter schema - configuration for the trigger instance (StackStorm-style with inline required/secret)
+parameters:
+  expression:
+    type: string
+    description: "Cron expression in standard format (second minute hour day month weekday)"
+    required: true
+  timezone:
+    type: string
+    description: "Timezone for cron schedule (e.g., 'UTC', 'America/New_York')"
+    default: "UTC"
+  description:
+    type: string
+    description: "Human-readable description of the schedule"
+
+# Payload schema - data emitted when trigger fires
+output:
+  type:
+    type: string
+    const: cron
+    description: "Trigger type identifier"
+    required: true
+  fired_at:
+    type: string
+    format: date-time
+    description: "Timestamp when the trigger fired"
+    required: true
+  scheduled_at:
+    type: string
+    format: date-time
+    description: "Timestamp when the trigger was scheduled to fire"
+    required: true
+  expression:
+    type: string
+    description: "The cron expression that triggered this event"
+    required: true
+  timezone:
+    type: string
+    description: "Timezone used for scheduling"
+  next_fire_at:
+    type: string
+    format: date-time
+    description: "Timestamp when the trigger will fire next"
+  execution_count:
+    type: integer
+    description: "Number of times this trigger has fired"
+  sensor_ref:
+    type: string
+    description: "Reference to the sensor that generated this event"
+
+# Tags for categorization
+tags:
+  - timer
+  - cron
+  - scheduler
+  - periodic
+
+# Documentation
+examples:
+  - description: "Fire every hour at the top of the hour"
+    parameters:
+      expression: "0 0 * * * *"
+      description: "Hourly"
+
+  - description: "Fire every day at midnight UTC"
+    parameters:
+      expression: "0 0 0 * * *"
+      description: "Daily at midnight"
+
+  - description: "Fire every Monday at 9:00 AM"
+    parameters:
+      expression: "0 0 9 * * 1"
+      description: "Weekly on Monday morning"
+
+  - description: "Fire every 15 minutes"
+    parameters:
+      expression: "0 */15 * * * *"
+      description: "Every 15 minutes"
+
+  - description: "Fire at 8:30 AM on weekdays"
+    parameters:
+      expression: "0 30 8 * * 1-5"
+      description: "Weekday morning"
+      timezone: "America/New_York"
+
+# Cron format reference
+# Field         Allowed values    Special characters
+# second        0-59              * , - /
+# minute        0-59              * , - /
+# hour          0-23              * , - /
+# day of month  1-31              * , - / ?
+# month         1-12 or JAN-DEC   * , - /
+# day of week   0-6 or SUN-SAT    * , - / ?