refactor: reorganize project structure — frontend/, infra/, clean paths

frontend/src/api/endpoints/chat.ts

@@ -0,0 +1,94 @@
+import client from '../client';
+
+/* ── Types ── */
+
+export interface ChatSession {
+  id: string;
+  title: string;
+  agent_type: string;
+  created_at: string;
+  updated_at: string;
+  message_count?: number;
+}
+
+export interface ChatMessage {
+  id: string;
+  session_id?: string;
+  role: 'user' | 'assistant';
+  content: string;
+  model_id?: string;
+  status?: 'processing' | 'done' | 'failed';
+  created_at?: string;
+}
+
+export interface ChatSendBody {
+  message: string;
+  session_id?: string;
+  genai_config_id?: string;
+  model_id?: string;
+  oci_config_id?: string;
+  genai_region?: string;
+  compartment_id?: string;
+  temperature?: number;
+  max_tokens?: number;
+  top_p?: number;
+  top_k?: number;
+  frequency_penalty?: number;
+  presence_penalty?: number;
+  reasoning_effort?: string;
+  use_tools?: boolean;
+}
+
+export interface ChatSendResponse {
+  message_id: string;
+  session_id: string;
+  status: 'processing' | 'done';
+}
+
+export interface MessageStatusResponse {
+  id: string;
+  session_id: string;
+  role: string;
+  content: string;
+  model_id?: string;
+  status: 'processing' | 'done' | 'failed';
+}
+
+export interface SessionMessagesResponse {
+  session: ChatSession;
+  messages: ChatMessage[];
+}
+
+/* ── API ── */
+
+export const chatApi = {
+  /** Send a chat message (text only) */
+  send: (body: ChatSendBody) =>
+    client.post('/chat', body) as unknown as Promise<ChatSendResponse>,
+
+  /** Send a chat message with file attachments */
+  upload: (formData: FormData) =>
+    client.post('/chat/upload', formData, {
+      headers: { 'Content-Type': 'multipart/form-data' },
+    }) as unknown as Promise<ChatSendResponse>,
+
+  /** Poll message processing status */
+  pollStatus: (messageId: string) =>
+    client.get(`/chat/${messageId}/status`) as unknown as Promise<MessageStatusResponse>,
+
+  /** List chat sessions */
+  listSessions: (agentType = 'chat', limit = 50) =>
+    client.get(`/chat/sessions?agent_type=${agentType}&limit=${limit}`) as unknown as Promise<ChatSession[]>,
+
+  /** Load session with all messages */
+  loadSession: (sessionId: string) =>
+    client.get(`/chat/sessions/${sessionId}/messages`) as unknown as Promise<SessionMessagesResponse>,
+
+  /** Delete a session */
+  deleteSession: (sessionId: string) =>
+    client.delete(`/chat/${sessionId}`) as unknown as Promise<{ ok: boolean }>,
+
+  /** Rename a session */
+  renameSession: (sessionId: string, title: string) =>
+    client.put(`/chat/sessions/${sessionId}/title`, { title }) as unknown as Promise<{ ok: boolean }>,
+};