Restore interactive Gradio UI (same-origin auth fixes quota); remove footer line

app.py

@@ -140,42 +140,36 @@ button#gen:hover{ background:var(--blue-bright) !important; }
 .foot a:hover{ color:var(--text); }
 """
 
-# ── API-only backend ─────────────────────────────────────────────────────────
-# The interactive UI lives at MinimaLabs/min-spark-preview (static frontend,
-# calls /run_generate via @gradio/client). This Space only exposes the API.
-# Hidden inputs keep run_generate's signature wired so the endpoint persists.
-BACKEND_NOTICE = """
+HEADER_HTML = """
 <div class="head">
-  <div class="title">min-spark <em>preview</em> · backend</div>
-  <div class="sub">Minima Labs · API endpoint — no interactive UI here</div>
-</div>
-<div style="margin-top:16px; background:var(--surface); border:1px solid var(--hair);
-     border-radius:10px; padding:18px 20px; font-size:14.5px; line-height:1.6;">
-  This is the ZeroGPU inference backend for
-  <a href="https://huggingface.co/spaces/MinimaLabs/min-spark-preview"
-     style="color:#5E96FF;">MinimaLabs/min-spark-preview</a>.
-  Use that Space to prompt the model — this one only serves the
-  <code style="font-family:'IBM Plex Mono',monospace; font-size:12.5px;
-        background:#16224A; padding:1px 6px; border-radius:4px;">/run_generate</code>
-  API endpoint.
+  <div class="title">min-spark <em>preview</em></div>
+  <div class="sub">Minima Labs</div>
 </div>
 """
 
-with gr.Blocks(css=CSS, title="min-spark · Meiosis preview (backend)") as demo:
-    gr.HTML(BACKEND_NOTICE)
-
-    # Hidden API plumbing — not rendered, but keeps /run_generate exposed.
-    with gr.Row(visible=False):
-        prompt = gr.Textbox(value="")
-        effort = gr.Number(value=3)
-        max_new = gr.Number(value=128)
-        temperature = gr.Number(value=0.8)
-        top_k = gr.Number(value=50)
-        out = gr.Textbox(value="")
-        status = gr.HTML(value="")
-        api_btn = gr.Button("api")
-
-    api_btn.click(
+with gr.Blocks(css=CSS, title="min-spark · Meiosis preview") as demo:
+    gr.HTML(HEADER_HTML)
+
+    gr.HTML('<div class="field-h">Effort — loops per token</div>')
+    effort = gr.Radio(choices=EFFORT_CHOICES, value=3, elem_id="effort",
+                      show_label=False, container=False)
+
+    gr.HTML('<div class="field-h">Prompt</div>')
+    prompt = gr.Textbox(value="", placeholder="Once upon a time",
+                        lines=2, show_label=False, container=False)
+
+    with gr.Row():
+        max_new = gr.Slider(8, 256, value=128, step=8, label="Max tokens")
+        temperature = gr.Slider(0.1, 1.6, value=0.8, step=0.05, label="Temperature")
+        top_k = gr.Slider(0, 200, value=50, step=5, label="Top-k (0 = off)")  # infer.py default
+
+    gen_btn = gr.Button("Generate", elem_id="gen", variant="primary")
+
+    out = gr.Textbox(value="", elem_id="out", show_label=False, container=False,
+                     lines=10, interactive=False, autoscroll=True)
+    status = gr.HTML(value='<div class="status"></div>')
+
+    gen_btn.click(
         fn=run_generate,
         inputs=[prompt, effort, max_new, temperature, top_k],
         outputs=[out, status],