Prove OpenSSL PQ crypto in browser WASI and document the migration

1 files changed, 23 insertions, 0 deletions

diff --git a/crates/chat-crypto/src/main.rs b/crates/chat-crypto/src/main.rs
new file mode 100644
index 0000000..b6749cf
--- /dev/null
+++ b/crates/chat-crypto/src/main.rs
@@ -0,0 +1,23 @@
+// Copyright (C) 2026 Doan Luu Duc Tai <doan@luuduct.ai>
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as
+// published by the Free Software Foundation, either version 3 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#![doc = "Command entry point for the isolated cryptographic compatibility probe."]
+
+use std::io::{self, Write};
+
+fn main() -> io::Result<()> {
+    let result = stack_chat_crypto::compatibility_probe().map_err(io::Error::other)?;
+    writeln!(io::stdout().lock(), "{result}")
+}