refactor: move api types into dedicated file

frontend/src/pages/Stats.tsx

@@ -15,30 +15,7 @@ import { ReactWordcloud } from '@cp949/react-wordcloud';
 import StatsStyling from "../styles/stats_styling";
 import Card from "../components/Card";
 
-type BackendWord = {
-    word: string;
-    count: number;
-}
-
-type TopUser = {
-  author: string;
-  source: string;
-  count: number;
-};
-
-type SummaryResponse = {
-  total_events: number;
-  total_posts: number;
-  total_comments: number;
-  unique_users: number;
-  comments_per_post: number;
-  lurker_ratio: number;
-  time_range: {
-    start: number;
-    end: number;
-  };
-  sources: string[];
-};
+import type { TopUser, SummaryResponse, FrequencyWord } from '../types/ApiTypes'
 
 const styles = StatsStyling;
 
@@ -105,7 +82,7 @@ const StatPage = () => {
         setTopUserData(topUsers);
         setHeatmapData(weekdayHourHeatmap);
         setWordFrequencyData(
-          wordFrequencies.map((d: BackendWord) => ({
+          wordFrequencies.map((d: FrequencyWord) => ({
             text: d.word,
             value: d.count,
           }))

frontend/src/types/ApiTypes.ts

@@ -0,0 +1,59 @@
+// User Code
+type TopUser = { 
+    author: string; 
+    source: string; 
+    count: number 
+};
+
+type Vocab = {
+  author: string;
+  events: number;
+  total_words: number;
+  unique_words: number;
+  vocab_richness: number;
+  avg_words_per_event: number;
+  top_words: { word: string; count: number }[];
+};
+
+type User = {
+  author: string;
+  post: number;
+  comment: number;
+  comment_post_ratio: number;
+  comment_share: number;
+  vocab?: Vocab | null;
+};
+
+type UserAnalysisResponse = {
+  top_users: TopUser[];
+  users: User[];
+};
+
+type FrequencyWord = {
+    word: string;
+    count: number;
+}
+
+// Summary
+type SummaryResponse = {
+  total_events: number;
+  total_posts: number;
+  total_comments: number;
+  unique_users: number;
+  comments_per_post: number;
+  lurker_ratio: number;
+  time_range: {
+    start: number;
+    end: number;
+  };
+  sources: string[];
+};
+
+export type {
+    TopUser,
+    Vocab,
+    User,
+    UserAnalysisResponse,
+    FrequencyWord,
+    SummaryResponse
+}