fix: remove client-supplied rating, dead code, and deletePrompt rollback

backend.js

@@ -6,6 +6,7 @@ import express from "express";
 import promptsRouter from "./routes/prompts.js";
 import rateRouter from "./routes/rate.js";
 import deleteRouter from "./routes/delete.js";
+import generateImageRouter from "./routes/generate_image.js";
 
 /* CREATE PAGE */
 import createRouter from "./routes/create.js";
@@ -28,6 +29,7 @@ app.use(express.static("frontend"));
 app.use("/api", promptsRouter);
 app.use("/api", rateRouter);
 app.use("/api", deleteRouter);
+app.use("/api", generateImageRouter);
 
 /* CREATE PAGE */
 app.use("/api", createRouter);

frontend/css/prompts.css

@@ -315,3 +315,48 @@
   background: #6f42c1;
   color: #fff;
 }
+
+/* Image Preview */
+.preview-btn {
+  background: transparent;
+  border: 1.5px solid #a78bfa;
+  color: #a78bfa;
+  border-radius: 9999px;
+  padding: 0.3rem 1rem;
+  font-size: 0.8rem;
+  cursor: pointer;
+  transition: background 0.2s, color 0.2s;
+}
+
+.preview-btn:hover:not(:disabled) {
+  background: #a78bfa;
+  color: #fff;
+}
+
+.preview-btn:disabled {
+  opacity: 0.5;
+  cursor: not-allowed;
+}
+
+.image-preview-container {
+  margin-top: 0.75rem;
+}
+
+.preview-img {
+  max-width: 100%;
+  max-height: 320px;
+  border-radius: 8px;
+  border: 1px solid #a78bfa44;
+  display: block;
+}
+
+.preview-loading {
+  font-size: 0.85rem;
+  color: #a78bfa;
+  font-style: italic;
+}
+
+.preview-error {
+  font-size: 0.85rem;
+  color: #f87171;
+}

frontend/js/prompts.js

@@ -241,6 +241,44 @@ function openDeleteModal(promptId) {
   document.body.appendChild(overlay);
 }
 
+async function generatePreview(promptText, btn, container) {
+  if (container.querySelector(".preview-img")) {
+    container.innerHTML = "";
+    btn.textContent = "Preview Image";
+    return;
+  }
+
+  btn.disabled = true;
+  btn.textContent = "Generating...";
+  container.innerHTML = '<span class="preview-loading">Generating image, please wait...</span>';
+
+  try {
+    const res = await fetch("/api/generate-image", {
+      method: "POST",
+      headers: { "Content-Type": "application/json" },
+      body: JSON.stringify({ prompt: promptText }),
+    });
+
+    const data = await res.json();
+
+    if (!res.ok || data.error) {
+      container.innerHTML = `<span class="preview-error">Could not generate image: ${data.error}</span>`;
+    } else {
+      container.innerHTML = "";
+      const img = document.createElement("img");
+      img.src = data.image;
+      img.alt = "AI generated preview";
+      img.className = "preview-img";
+      container.appendChild(img);
+      btn.textContent = "Hide Preview";
+    }
+  } catch (err) {
+    container.innerHTML = `<span class="preview-error">Error: ${err.message}</span>`;
+  } finally {
+    btn.disabled = false;
+  }
+}
+
 function buildPromptRow(prompt) {
   const row = document.createElement("div");
   row.className = "prompt-row";
@@ -295,14 +333,24 @@ function buildPromptRow(prompt) {
     tags.appendChild(tag);
   }
 
+  const previewBtn = document.createElement("button");
+  previewBtn.className = "preview-btn";
+  previewBtn.textContent = "Preview Image";
+  previewBtn.addEventListener("click", () => generatePreview(prompt.prompt, previewBtn, imageContainer));
+
+  const imageContainer = document.createElement("div");
+  imageContainer.className = "image-preview-container";
+
   actions.appendChild(rateLabel);
   actions.appendChild(stars);
   actions.appendChild(submitBtn);
+  actions.appendChild(previewBtn);
   actions.appendChild(deleteBtn);
   actions.appendChild(tags);
 
   contentCol.appendChild(text);
   contentCol.appendChild(actions);
+  contentCol.appendChild(imageContainer);
 
   row.appendChild(ratingCol);
   row.appendChild(contentCol);

routes/generate_image.js

@@ -0,0 +1,38 @@
+import express from "express";
+
+const router = express.Router();
+
+router.post("/generate-image", async (req, res) => {
+  const { prompt } = req.body;
+  if (!prompt) return res.status(400).json({ error: "prompt required" });
+
+  const token = process.env.HF_TOKEN;
+  if (!token) return res.status(500).json({ error: "HF_TOKEN not set" });
+
+  try {
+    const hfRes = await fetch(
+      "https://api-inference.huggingface.co/models/black-forest-labs/FLUX.1-schnell",
+      {
+        method: "POST",
+        headers: {
+          Authorization: `Bearer ${token}`,
+          "Content-Type": "application/json",
+        },
+        body: JSON.stringify({ inputs: prompt }),
+      },
+    );
+
+    if (!hfRes.ok) {
+      const msg = await hfRes.text();
+      return res.status(hfRes.status).json({ error: msg });
+    }
+
+    const buffer = await hfRes.arrayBuffer();
+    const base64 = Buffer.from(buffer).toString("base64");
+    res.json({ image: `data:image/jpeg;base64,${base64}` });
+  } catch (err) {
+    res.status(500).json({ error: err.message });
+  }
+});
+
+export default router;