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

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

node_modules/select-hose/test/fixtures.js

@@ -0,0 +1,14 @@
+var assert = require('assert');
+
+function expectData(stream, expected, callback) {
+  var actual = '';
+
+  stream.on('data', function(chunk) {
+    actual += chunk;
+  });
+  stream.on('end', function() {
+    assert.equal(actual, expected);
+    callback();
+  });
+}
+exports.expectData = expectData;