feat(core): add context() method to ContextAware trait

Author: eldomagan

packages/core/src/Concerns/ContextAware.php

@@ -10,4 +10,16 @@ public function setContext(array $context): void
     {
         $this->context = $context;
     }
+
+    /**
+     * Get a value from the context by key.
+     *
+     * @param  string  $key  The context key to retrieve
+     * @param  mixed  $default  Default value if key doesn't exist
+     * @return mixed The context value or default
+     */
+    public function context(string $key, mixed $default = null): mixed
+    {
+        return $this->context[$key] ?? $default;
+    }
 }