Fix bin/publish: copy docs.dist from project root

Fix bin/publish: use correct .env path for rspade_system
Fix bin/publish script: prevent grep exit code 1 from terminating script

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Co-Authored-By: Claude <noreply@anthropic.com>

node_modules/tty-browserify/index.js

@@ -0,0 +1,11 @@
+exports.isatty = function () { return false; };
+
+function ReadStream() {
+  throw new Error('tty.ReadStream is not implemented');
+}
+exports.ReadStream = ReadStream;
+
+function WriteStream() {
+  throw new Error('tty.ReadStream is not implemented');
+}
+exports.WriteStream = WriteStream;