Add PSR-11 container interface methods to TracingResolver

composer.json

@@ -5,7 +5,7 @@
     "license": "MIT",
     "require": {
         "php": "^8.4",
-        "gosuperscript/axiom": "^0.3.0",
+        "gosuperscript/axiom": "^0.3.3",
         "gosuperscript/monads": "^1.0"
     },
     "require-dev": {

src/TracingResolver.php

@@ -48,6 +48,16 @@ public function instance(string $key, mixed $concrete): void
         $this->inner->instance($key, $concrete);
     }
 
+    public function get(string $id): mixed
+    {
+        return $this->inner->get($id);
+    }
+
+    public function has(string $id): bool
+    {
+        return $this->inner->has($id);
+    }
+
     /**
      * Register a callback that fires whenever a top-level resolution
      * completes. This is how you consume traces without changing

tests/TracingResolverTest.php

@@ -552,6 +552,21 @@ public function test_collect_across_traced_tree(): void
         $this->assertContains('+', $labels);
     }
 
+    public function test_get_delegates_to_inner_resolver(): void
+    {
+        $tracer = $this->createResolver();
+
+        $this->assertInstanceOf(TracingResolver::class, $tracer->get(Resolver::class));
+    }
+
+    public function test_has_delegates_to_inner_resolver(): void
+    {
+        $tracer = $this->createResolver();
+
+        $this->assertTrue($tracer->has(Resolver::class));
+        $this->assertFalse($tracer->has('non.existent.key'));
+    }
+
     public function test_multiple_sequential_resolutions_produce_independent_trees(): void
     {
         $tracer = $this->createResolver();