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/guzzlehttp/guzzle/src/Handler/Proxy.php

@@ -0,0 +1,51 @@
+<?php
+
+namespace GuzzleHttp\Handler;
+
+use GuzzleHttp\Promise\PromiseInterface;
+use GuzzleHttp\RequestOptions;
+use Psr\Http\Message\RequestInterface;
+
+/**
+ * Provides basic proxies for handlers.
+ *
+ * @final
+ */
+class Proxy
+{
+    /**
+     * Sends synchronous requests to a specific handler while sending all other
+     * requests to another handler.
+     *
+     * @param callable(RequestInterface, array): PromiseInterface $default Handler used for normal responses
+     * @param callable(RequestInterface, array): PromiseInterface $sync    Handler used for synchronous responses.
+     *
+     * @return callable(RequestInterface, array): PromiseInterface Returns the composed handler.
+     */
+    public static function wrapSync(callable $default, callable $sync): callable
+    {
+        return static function (RequestInterface $request, array $options) use ($default, $sync): PromiseInterface {
+            return empty($options[RequestOptions::SYNCHRONOUS]) ? $default($request, $options) : $sync($request, $options);
+        };
+    }
+
+    /**
+     * Sends streaming requests to a streaming compatible handler while sending
+     * all other requests to a default handler.
+     *
+     * This, for example, could be useful for taking advantage of the
+     * performance benefits of curl while still supporting true streaming
+     * through the StreamHandler.
+     *
+     * @param callable(RequestInterface, array): PromiseInterface $default   Handler used for non-streaming responses
+     * @param callable(RequestInterface, array): PromiseInterface $streaming Handler used for streaming responses
+     *
+     * @return callable(RequestInterface, array): PromiseInterface Returns the composed handler.
+     */
+    public static function wrapStreaming(callable $default, callable $streaming): callable
+    {
+        return static function (RequestInterface $request, array $options) use ($default, $streaming): PromiseInterface {
+            return empty($options['stream']) ? $default($request, $options) : $streaming($request, $options);
+        };
+    }
+}