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>

vendor/spatie/ignition/node_modules/duplexer/test/index.js

@@ -0,0 +1,31 @@
+var through = require("through")
+var test    = require("tape")
+
+var duplex  = require("../index")
+
+var readable = through()
+var writable = through(write)
+var written = 0
+var data = 0
+
+var stream = duplex(writable, readable)
+
+function write() {
+    written++
+}
+
+stream.on("data", ondata)
+
+function ondata() {
+    data++
+}
+
+test("emit and write", function(t) {
+    t.plan(2)
+
+    stream.write()
+    readable.emit("data")
+
+    t.equal(written, 1, "should have written once")
+    t.equal(data, 1, "should have received once")
+})