Implement session outcomes, step timing, and live timer fixes

frontend/src/types/session.ts

@@ -1,6 +1,8 @@
 import type { TreeStructure } from './tree'
 import type { Step, StepContent } from './step'
 
+export type SessionOutcome = 'resolved' | 'escalated' | 'workaround' | 'unresolved'
+
 export interface DecisionRecord {
   node_id: string
   question: string | null
@@ -9,6 +11,9 @@ export interface DecisionRecord {
   notes: string | null
   automation_used: boolean
   timestamp: string
+  entered_at?: string | null
+  exited_at?: string | null
+  duration_seconds?: number | null
   attachments: string[]
 }
 
@@ -45,6 +50,8 @@ export interface Session {
   custom_steps: CustomStep[]
   started_at: string
   completed_at: string | null
+  outcome: SessionOutcome | null
+  outcome_notes: string | null
   ticket_number: string | null
   client_name: string | null
   exported: boolean
@@ -72,6 +79,11 @@ export interface SessionExport {
   include_tree_info?: boolean
 }
 
+export interface SessionComplete {
+  outcome: SessionOutcome
+  outcome_notes?: string
+}
+
 // Navigation state for active session
 export interface SessionNavigationState {
   activeSession: Session | null