Fetch case timeline

Returns the complete chronological event history for a case along with the current engagement phase.

Timeline Events Include:

• Case assignment to collection partner
• Status changes and lifecycle transitions
• Payment recordings
• Document uploads
• Communication events
• Fee additions
• Manual updates and notes
• System-generated events

Response shape:

• items — chronological list of timeline events
• currentEngagementPhase — current phase of the active engagement: "Pre-legal", "Legal", or "Enforcement". Null when no active engagement exists.

Use Case: Use this to track case progress, understand case history, audit actions, or display activity to users. Timeline events are ordered chronologically and include timestamps, event types, titles, and descriptions.

Note: Timeline is filtered to show partner-relevant events only.