feat(flywheel): expose incident processing timeline

apps/web/src/lib/api-client.ts

@@ -175,6 +175,11 @@ export const apiClient = {
     return handleResponse<IncidentResponse>(res)
   },
 
+  async getIncidentTimeline(incidentId: string) {
+    const res = await fetch(`${API_BASE_URL}/incidents/${incidentId}/timeline`)
+    return handleResponse<IncidentTimelineResponse>(res)
+  },
+
   async generateProposal(incidentId: string) {
     const res = await fetch(`${API_BASE_URL}/incidents/${incidentId}/proposal`, {
       method: 'POST',
@@ -279,6 +284,37 @@ export interface IncidentListResponse {
   incidents: IncidentResponse[]
 }
 
+export interface IncidentTimelineEvent {
+  stage: string
+  status: string
+  title: string
+  description: string | null
+  actor: string | null
+  timestamp: string | null
+  source_table: string | null
+  data: Record<string, unknown>
+}
+
+export interface IncidentTimelineStage extends IncidentTimelineEvent {
+  label: string
+  events: IncidentTimelineEvent[]
+}
+
+export interface IncidentTimelineResponse {
+  incident_id: string
+  title: string
+  status: string
+  severity: string
+  started_at: string | null
+  updated_at: string | null
+  resolved_at: string | null
+  affected_services: string[]
+  approval_ids: string[]
+  timeline: IncidentTimelineStage[]
+  events: IncidentTimelineEvent[]
+  ascii_timeline: string
+}
+
 export interface BlastRadius {
   affected_pods: number
   estimated_downtime: string