init backend

src/embeddings.ts

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+import type { Card } from "./types";
+
+// Placeholder cards array
+let cards: Card[] = [
+    { id: "swsh1-1", name: "Celebi V", set: "Swsh1", number: "1", imageUrl: "https://assets.tcgdex.net/de/swsh/swsh1/1/high.png" },
+    { id: "swsh12-001", name: "Bluzuk", set: "Swsh12", number: "001", imageUrl: "https://assets.tcgdex.net/de/swsh/swsh12/001/high.png" },
+];
+
+export function loadCards() {
+    // Placeholder: you can later load embeddings.npy + FAISS
+    console.log("Cards module loaded (currently empty)");
+}
+
+export function queryCardById(id: string): Card | null {
+    return cards.find(c => c.id === id) || null;
+}
+
+// Example placeholder: return top N matches
+export function queryCardByEmbedding(/* embedding */): Card[] {
+    return cards.slice(0, 5); // dummy top 5
+}

src/index.ts

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+import { serve, spawn } from 'bun';
+import { queryCardByEmbedding, queryCardById } from './embeddings';
+import type { Card } from './types';
+
+const PYTHON_SERVICE = "http://localhost:5001/query";
+
+const server = serve({
+    routes: {
+        "/api/cards/query-image": {
+            async POST(req) {
+                try {
+                    const formData = await req.formData();
+                    const file = formData.get("file") as File;
+                    if (!file) return new Response(JSON.stringify({ error: "No file uploaded" }), { status: 400 });
+
+                    // Forward directly to Python microservice
+                    const body = new FormData();
+                    body.append("file", file);
+
+                    const resp = await fetch(PYTHON_SERVICE, { method: "POST", body });
+                    const json = await resp.json();
+
+                    return new Response(JSON.stringify(json), { headers: { "Content-Type": "application/json" } });
+                } catch (err) {
+                    console.error(err);
+                    return new Response(JSON.stringify({ error: "Failed to query image" }), { status: 500 });
+                }
+            },
+        },
+        "/api/cards/:id": async (req) => {
+            const { id } = req.params;
+            const card = queryCardById(id);
+            if (!card) return new Response(JSON.stringify({ error: "Card not found" }), { status: 404, headers: { "Content-Type": "application/json" } });
+            return new Response(JSON.stringify(card), { headers: { "Content-Type": "application/json" } });
+        },
+        "/*": async () => {
+            return new Response("<h1>Pokemon Card Backend</h1>", { headers: { "Content-Type": "text/html" } });
+        },
+
+        /* "/api/cards/query": {
+            async POST(req) {
+                try {
+                    const { embedding } = await req.json() as { embedding: number[] };
+                    if (!embedding) return new Response(JSON.stringify({ error: "Missing embedding" }), { status: 400, headers: { "Content-Type": "application/json" } });
+                    const results: Card[] = queryCardByEmbedding(embedding);
+                    return new Response(JSON.stringify(results), { headers: { "Content-Type": "application/json" } });
+                } catch (err) {
+                    console.error("Error querying card:", err);
+                    return new Response(JSON.stringify({ error: "Failed to query card" }), { status: 500, headers: { "Content-Type": "application/json" } });
+                }
+            },
+        }, */
+    },
+
+    development: process.env.NODE_ENV !== 'production' && {
+        // Enable browser hot reloading in development
+        hmr: true,
+
+        // Echo console logs from the browser to the server
+        console: true,
+    },
+});
+
+console.log(`🚀 Server running at ${server.url}`);

src/types.ts

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+export interface Card {
+    id: string;
+    name: string;
+    set: string;
+    number: string;
+    rarity?: string;
+    variant?: string;
+    foil?: boolean;
+    imageUrl: string;
+}