feat: add chat replay verification

packages/casan-control-panel/frontend/src/lib/api.ts

@@ -157,6 +157,15 @@ export interface ChatAgent {
   allowed_for_role?: boolean;
 }
 
+export interface ChatReplay {
+  ok: boolean;
+  decision: 'MATCH' | 'DRIFT' | 'BREAK' | string;
+  records: number;
+  loop_replayed?: number;
+  diffs?: any[];
+  audit_path?: string;
+}
+
 export interface SettingsState {
   actor: SettingsActor;
   capabilities: {
@@ -206,6 +215,7 @@ export const api = {
   askChat: (actor: SettingsActor, body: { message: string; chatId?: string; agentId?: string; skillId?: string; delegationLevel?: number }) =>
     post<ChatAnswer>('chat/ask', body, actorHeaders(actor)),
   verifyChatAudit: () => get<{ ok: boolean; output: string }>('chat/audit/verify'),
+  replayChat: (chatId = '', turnId = '') => get<ChatReplay>(`chat/replay?chatId=${encodeURIComponent(chatId)}&turnId=${encodeURIComponent(turnId)}`),
   chatActions: (actor: SettingsActor) => getWithHeaders<{ success: boolean; actions: ChatAction[] }>('chat/actions', actorHeaders(actor)),
   chatAgents: (actor: SettingsActor) => getWithHeaders<{ success: boolean; agents: ChatAgent[] }>('chat/agents', actorHeaders(actor)),
 };