feat: verbose 模式 SKIP 行输出跳过原因

crates/oxide_test262/src/config.rs

@@ -167,7 +167,7 @@ impl RunConfig {
           \n\
           --no-skip    Run capability-excluded tests and count unsupported compile/runtime results as failures.\n\
           --no-regalloc  Disable the liveness/precise-DCE/RegAlloc compiler chain (vregs stay as physical numbers).\n\
-          --verbose    Print one PASS/FAIL/SKIP line per test (for on/off result-set comparison).\n\
+          --verbose    Print one PASS/FAIL/SKIP line per test; SKIP lines carry the skip reason (for on/off result-set comparison).\n\
           --no-fail-list  Do not print the per-path FAIL list at the end of the run.\n\
           --version    Print the binary version with the build-time git short hash (freshness self-check), then exit.\n\
           --supervise  Run the suite as single-worker child-process windows with a hard per-test timeout and\n\