feat: chat + optmz control panel

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

@@ -91,6 +91,9 @@ export interface ChatSource {
 
 export interface ChatAnswer {
   success: boolean;
+  chat_id?: string;
+  turn_id?: string;
+  trace_id?: string;
   mode: 'READ_ONLY' | 'OPERATOR' | 'BLOCK' | 'NOT_SUPPORTED' | string;
   risk: string;
   decision: 'ANSWERED' | 'ACTION_COMPLETED' | 'ACTION_FAILED' | 'REQUIRES_APPROVAL' | 'DENIED' | 'NOT_SUPPORTED' | string;
@@ -148,6 +151,7 @@ export interface ChatAnswer {
     input_tokens?: number;
     output_tokens?: number;
     cost_source?: string;
+    fallback_from?: string | null;
   };
   actor: SettingsActor;
 }
@@ -190,6 +194,34 @@ export interface ChatReplay {
   audit_path?: string;
 }
 
+export interface ChatConversation {
+  chat_id: string;
+  title: string;
+  updated_at: string;
+  turns: number;
+  last_decision: string;
+  last_mode: string;
+}
+
+export interface ChatHistoryTurn {
+  chat_id: string;
+  turn_id: string;
+  timestamp: string;
+  mode: string;
+  risk: string;
+  decision: string;
+  prompt_preview: string;
+  answer_preview: string;
+  certified: boolean;
+  audit_hash: string;
+}
+
+export interface ChatHistory {
+  ok: boolean;
+  conversations: ChatConversation[];
+  turns: ChatHistoryTurn[];
+}
+
 export interface SettingsState {
   actor: SettingsActor;
   capabilities: {
@@ -277,6 +309,8 @@ export const api = {
     flush(buf);
   },
   verifyChatAudit: () => get<{ ok: boolean; output: string }>('chat/audit/verify'),
+  chatHistory: (actor: SettingsActor, chatId = '', limit = 50) =>
+    getWithHeaders<ChatHistory>(`chat/history?chatId=${encodeURIComponent(chatId)}&limit=${limit}`, actorHeaders(actor)),
   replayChat: (chatId = '', turnId = '', tenant = '') => get<ChatReplay>(`chat/replay?chatId=${encodeURIComponent(chatId)}&turnId=${encodeURIComponent(turnId)}&tenant=${encodeURIComponent(tenant)}`),
   chatActions: (actor: SettingsActor) => getWithHeaders<{ success: boolean; actions: ChatAction[] }>('chat/actions', actorHeaders(actor)),
   chatAgents: (actor: SettingsActor) => getWithHeaders<{ success: boolean; agents: ChatAgent[] }>('chat/agents', actorHeaders(actor)),