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>

app/RSpade/Core/Database/SeederPaths.php

@@ -0,0 +1,54 @@
+<?php
+/**
+ * CODING CONVENTION:
+ * This file follows the coding convention where variable_names and function_names
+ * use snake_case (underscore_wherever_possible).
+ */
+
+namespace App\RSpade\Core\Database;
+
+/**
+ * Central location for seeder path management
+ *
+ * RSpade uses /rsx/resource/seeders as the default location for user seeders.
+ * The /resource/ directory is excluded from manifest scanning, making it suitable
+ * for seeders and other framework-related code that doesn't follow RSX conventions.
+ */
+class SeederPaths
+{
+    /**
+     * Get the default path for new seeders created via make:seeder
+     *
+     * @return string Absolute path to default seeder directory
+     */
+    public static function get_default_path(): string
+    {
+        return base_path('rsx/resource/seeders');
+    }
+
+    /**
+     * Get all seeder directories to scan
+     *
+     * @return array Array of absolute paths to seeder directories
+     */
+    public static function get_all_paths(): array
+    {
+        return [
+            static::get_default_path(),
+        ];
+    }
+
+    /**
+     * Ensure all seeder directories exist
+     *
+     * @return void
+     */
+    public static function ensure_directories_exist(): void
+    {
+        foreach (static::get_all_paths() as $path) {
+            if (!is_dir($path)) {
+                mkdir($path, 0755, true);
+            }
+        }
+    }
+}