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>

app/RSpade/SchemaQuality/Rules/Schema_Rule_Abstract.php

@@ -0,0 +1,77 @@
+<?php
+
+namespace App\RSpade\SchemaQuality\Rules;
+
+use App\RSpade\SchemaQuality\SchemaViolation;
+
+abstract class Schema_Rule_Abstract
+{
+    protected array $violations = [];
+    protected array $excluded_tables = ['migrations', 'sessions'];
+    
+    /**
+     * Get the unique rule identifier
+     */
+    abstract public function get_id(): string;
+    
+    /**
+     * Get human-readable rule name
+     */
+    abstract public function get_name(): string;
+    
+    /**
+     * Get rule description
+     */
+    abstract public function get_description(): string;
+    
+    /**
+     * Check the schema for violations
+     * 
+     * @param array $schema Database schema information
+     */
+    abstract public function check(array $schema): void;
+    
+    /**
+     * Check if a table should be excluded from checks
+     */
+    protected function is_excluded_table(string $table): bool
+    {
+        return in_array($table, $this->excluded_tables);
+    }
+    
+    /**
+     * Add a violation
+     */
+    protected function add_violation(
+        string $table,
+        ?string $column,
+        string $message,
+        string $recommendation,
+        string $severity = 'high'
+    ): void {
+        $this->violations[] = new SchemaViolation(
+            rule_id: $this->get_id(),
+            table: $table,
+            column: $column,
+            message: $message,
+            recommendation: $recommendation,
+            severity: $severity
+        );
+    }
+    
+    /**
+     * Get all violations found
+     */
+    public function get_violations(): array
+    {
+        return $this->violations;
+    }
+    
+    /**
+     * Clear violations
+     */
+    public function clear_violations(): void
+    {
+        $this->violations = [];
+    }
+}