Add all 38 yolo26 prebackbone_samples as Gradio examples

Bundle every *_input / *_reference pair from yolo26n_hripcb
prebackbone_samples and show 6 examples per page in the demo.

Co-authored-by: Cursor <cursoragent@cursor.com>

app.py

@@ -66,26 +66,12 @@ def run_demo(defect_path: str | None, reference_path: str | None):
 
 
 def _example_pairs() -> list[list[str]]:
+    """All *_input / *_reference pairs bundled in examples/ (from yolo26 prebackbone_samples)."""
     pairs: list[list[str]] = []
     ex_dir = _ROOT / "examples"
     if not ex_dir.is_dir():
         return pairs
-    preferred = [
-        "Short_06_short_11_rot_idx010_input.jpg",
-        "Open_circuit_04_open_circuit_14_idx002_input.jpg",
-        "Mouse_bite_05_mouse_bite_02_idx007_input.jpg",
-        "Missing_hole_07_missing_hole_03_rot_idx004_input.jpg",
-    ]
-    seen: set[str] = set()
-    for name in preferred:
-        inp = ex_dir / name
-        ref = inp.with_name(name.replace("_input.", "_reference."))
-        if inp.is_file() and ref.is_file():
-            pairs.append([str(inp), str(ref)])
-            seen.add(name)
     for inp in sorted(ex_dir.glob("*_input.jpg")):
-        if inp.name in seen or len(pairs) >= 4:
-            break
         ref = inp.with_name(inp.name.replace("_input.", "_reference."))
         if ref.is_file():
             pairs.append([str(inp), str(ref)])
@@ -114,7 +100,7 @@ def build_demo() -> gr.Interface:
         title=TITLE,
         description=DESCRIPTION.strip(),
         examples=_example_pairs() or None,
-        examples_per_page=2,
+        examples_per_page=6,
         cache_examples=False,
         flagging_mode="never",
         theme=gr.themes.Soft(),