wave 7: fuzz sidecar scaffold (fuzz/ workspace, shared crate, runner, dict, seeds skeleton)

fuzz/gen_fuzz_seeds.py

@@ -0,0 +1,32 @@
+#!/usr/bin/env python3
+"""Regenerate the committed seed corpora for alkstore's fuzz targets.
+
+Writes into fuzz/corpus/<target>/. Deterministic: fixed inputs only, no
+randomness. Run from the repo root:
+
+    python3 fuzz/gen_fuzz_seeds.py
+
+Target seed functions and the main() registry land here with the
+target tasks; the shared seed_name()/write_seed() plumbing is stable.
+"""
+
+import os
+
+
+def seed_name(target, i):
+    return os.path.join("fuzz", "corpus", target, f"seed-{i:03d}")
+
+
+def write_seed(target, i, data):
+    path = seed_name(target, i)
+    os.makedirs(os.path.dirname(path), exist_ok=True)
+    with open(path, "wb") as f:
+        f.write(data)
+
+
+def main():
+    pass
+
+
+if __name__ == "__main__":
+    main()