feat(any): make `Grouped` trait unsafe and encapsulate `AnyOutput`

fields

Declare `Grouped` as `unsafe trait` to make its soundness invariant
visible.
Make `AnyOutput.type_id` and `member_id` private; add public accessors
and
the `unsafe fn new_bare` constructor.

2 files changed, 2 insertions, 2 deletions

diff --git a/docs/_zh_CN/pages/13-hook.md b/docs/_zh_CN/pages/13-hook.md
index 6d6018a..ad3008a 100644
--- a/docs/_zh_CN/pages/13-hook.md
+++ b/docs/_zh_CN/pages/13-hook.md
@@ -71,7 +71,7 @@ fn main() {
                 eprintln!("[hook] executing chain for: {}", info.input);
             })
             .on_post_chain(|info| {
-                eprintln!("[hook] chain output: {}", info.output.member_id);
+                eprintln!("[hook] chain output: {}", info.output.member_id());
             }),
     );
  
diff --git a/docs/pages/13-hook.md b/docs/pages/13-hook.md
index 26f8712..d927a9c 100644
--- a/docs/pages/13-hook.md
+++ b/docs/pages/13-hook.md
@@ -71,7 +71,7 @@ fn main() {
                 eprintln!("[hook] executing chain for: {}", info.input);
             })
             .on_post_chain(|info| {
-                eprintln!("[hook] chain output: {}", info.output.member_id);
+                eprintln!("[hook] chain output: {}", info.output.member_id());
             }),
     );