init

backend/pyproject.toml

@@ -10,6 +10,9 @@ dependencies = [
     "fastapi>=0.121.2",
     "fastmcp>=2.13.1",
     "huggingface-hub>=1.1.4",
+    "llama-index>=0.10.0",
+    "llama-index-embeddings-google-genai>=0.10.0",
+    "llama-index-llms-google-genai>=0.10.0",
     "mcp>=1.21.0",
     "pyjwt>=2.10.1",
     "python-dotenv>=1.0.0",

frontend/src/types/rag.ts

@@ -0,0 +1,44 @@
+export type Role = 'user' | 'assistant';
+
+export interface SourceReference {
+  path: string;
+  title: string;
+  snippet: string;
+  score?: number;
+}
+
+export interface NoteWritten {
+  path: string;
+  title: string;
+  action: 'created' | 'updated';
+}
+
+export interface ChatMessage {
+  role: Role;
+  content: string;
+  timestamp: string; // ISO 8601
+  sources?: SourceReference[];
+  notes_written?: NoteWritten[];
+  is_error?: boolean; // Frontend-only state for error messages
+}
+
+export interface ChatRequest {
+  messages: ChatMessage[];
+}
+
+export interface ChatResponse {
+  answer: string;
+  sources: SourceReference[];
+  notes_written: NoteWritten[];
+}
+
+export interface StatusResponse {
+  status: 'ready' | 'building' | 'error';
+  doc_count: number;
+  last_updated: string | null;
+}
+
+export interface ErrorResponse {
+  error: string;
+  detail?: string;
+}