chore[fuzzer]: gen issues new (#6377)

Add a more reliable fuzzer issue generator.

This uses both scripts + template with a gen-AI summary attached.

The fully gen-AI solution would create bad issues all the time.

---------

Signed-off-by: Joe Isaacs <joe.isaacs@live.co.uk>

Author: joseph-isaacs

.github/scripts/fuzz_report/__init__.py

@@ -0,0 +1,12 @@
+"""Fuzzer crash reporting utilities."""
+
+from .dedup import DedupResult, check_duplicate
+from .extract import extract_crash_info
+from .template import render_template
+
+__all__ = [
+    "extract_crash_info",
+    "check_duplicate",
+    "DedupResult",
+    "render_template",
+]

.github/scripts/fuzz_report/__main__.py

@@ -0,0 +1,7 @@
+#!/usr/bin/env python3
+"""Entry point for running as a module: python -m fuzz_report ..."""
+
+from .cli import main
+
+if __name__ == "__main__":
+    raise SystemExit(main())