Generate fresh images on every run

app.py

@@ -1,5 +1,6 @@
 import base64
 import io
+import random
 import re
 import tempfile
 import time
@@ -14,7 +15,7 @@ from PIL import Image, ImageDraw, ImageFont
 
 POLLINATIONS_URL = (
     "https://image.pollinations.ai/prompt/{prompt}"
-    "?width={width}&height={height}&model=flux&nologo=true&seed={seed}"
+    "?width={width}&height={height}&model=flux&nologo=true&seed={seed}&run={run_id}"
 )
 
 
@@ -157,13 +158,14 @@ def placeholder_png_bytes(role: str, width: int, height: int) -> bytes:
     return out.getvalue()
 
 
-def generate_asset(spec: AssetSpec, index: int) -> tuple[str, str, str | None]:
-    seed = abs(hash((spec.role, spec.prompt, index))) % 999999
+def generate_asset(spec: AssetSpec, index: int, run_id: int) -> tuple[str, str, str | None]:
+    seed = random.Random(f"{spec.role}|{spec.prompt}|{index}|{run_id}").randint(1, 999999)
     url = POLLINATIONS_URL.format(
         prompt=quote(spec.prompt),
         width=spec.width,
         height=spec.height,
         seed=seed,
+        run_id=run_id,
     )
 
     for attempt in range(3):
@@ -269,16 +271,17 @@ def generate_images_and_game(html_code: str, roles: str, style_hint: str):
     assets: dict[str, str] = {}
     gallery = []
     errors = []
+    run_id = time.time_ns()
 
     for index, spec in enumerate(specs):
-        data_uri, gallery_path, error = generate_asset(spec, index)
+        data_uri, gallery_path, error = generate_asset(spec, index, run_id)
         assets[spec.role] = data_uri
         gallery.append((gallery_path, f"{spec.role} -> {spec.filename}"))
         if error:
             errors.append(f"{spec.role}: fallback used ({error})")
 
     rewritten = embed_assets(html_code, assets, specs)
-    status = f"Generated and embedded {len(specs)} asset(s)."
+    status = f"Generated and embedded {len(specs)} asset(s). Run {str(run_id)[-6:]}."
     if errors:
         status += "\n\n" + "\n".join(errors)
     return rewritten, status, gallery, build_preview(rewritten)