ship one record per function: merge the release set, gen reads it, descriptions as doc comments, gates for what was only claimed; v3.0

fuzz/fuzz_targets/fuzz_rtti.rs

@@ -12,7 +12,7 @@ fuzz_target!(|data: &[u8]| {
     };
     let vts = rtti::enumerate_vtables(&img, 128);
     for cv in vts.iter().take(32) {
-        let _ = (&cv.name, &cv.mangled, cv.offset_to_top, cv.slots.len());
+        let _ = (&cv.name, cv.offset_to_top, cv.slots.len());
     }
     // The by-name lookup path (mangling + candidate walk) on a name pulled from the input itself.
     if let Some(name) = vts.first().map(|c| c.name.clone()) {