Add resolution parameter to video generation requests and implement video status polling endpoint

Co-authored-by: Copilot <copilot@github.com>

frontend/app/main.py

@@ -5,6 +5,7 @@ import httpx
 from flask import (
     Flask,
     flash,
+    jsonify,
     redirect,
     render_template,
     request,
@@ -172,18 +173,25 @@ def generate_video():
     if request.method == "POST":
         mode = request.form.get("mode", "text")
         token = session["access_token"]
+        duration_raw = request.form.get("duration_seconds", "")
+        duration = int(duration_raw) if duration_raw.strip().isdigit() else None
+        resolution = request.form.get("resolution", "").strip() or None
         if mode == "image":
             resp = _api("POST", "/generate/video/from-image", token=token, json={
                 "model": request.form.get("model", "").strip(),
                 "image_url": request.form.get("image_url", "").strip(),
                 "prompt": request.form.get("prompt", "").strip(),
                 "aspect_ratio": request.form.get("aspect_ratio", "16:9"),
+                "duration_seconds": duration,
+                "resolution": resolution,
             })
         else:
             resp = _api("POST", "/generate/video", token=token, json={
                 "model": request.form.get("model", "").strip(),
                 "prompt": request.form.get("prompt", "").strip(),
                 "aspect_ratio": request.form.get("aspect_ratio", "16:9"),
+                "duration_seconds": duration,
+                "resolution": resolution,
             })
         if resp.status_code == 200:
             result = resp.json()
@@ -192,6 +200,21 @@ def generate_video():
     return render_template("generate_video.html", result=result, error=error)
 
 
+@app.get("/generate/video/status")
+@login_required
+def generate_video_status():
+    """Proxy video status polling to the backend."""
+    polling_url = request.args.get("polling_url", "")
+    if not polling_url:
+        return jsonify({"error": "polling_url required"}), 400
+    resp = _api(
+        "GET", "/generate/video/status",
+        token=session["access_token"],
+        params={"polling_url": polling_url},
+    )
+    return jsonify(resp.json()), resp.status_code
+
+
 # ── Admin ─────────────────────────────────────────────────────────────────
 
 @app.get("/admin")