diff --git a/php-transformer/src/Contract/ConversionFindingContract.php b/php-transformer/src/Contract/ConversionFindingContract.php
index 8220196c..fb2830bc 100644
--- a/php-transformer/src/Contract/ConversionFindingContract.php
+++ b/php-transformer/src/Contract/ConversionFindingContract.php
@@ -92,7 +92,7 @@ final class ConversionFindingContract
      */
     private const ARRAY_FIELDS = array(
         'source_selector_specificity', 'context', 'events', 'classification',
-        'controls', 'control', 'form', 'readable_blocks', 'signals',
+        'controls', 'control', 'form', 'readable_blocks', 'signals', 'materialization_target', 'products',
         'source_items', 'block_items', 'source_item', 'block_item',
     );
 
diff --git a/php-transformer/src/Contract/ConversionReportProjection.php b/php-transformer/src/Contract/ConversionReportProjection.php
index 24c46729..a48de9eb 100644
--- a/php-transformer/src/Contract/ConversionReportProjection.php
+++ b/php-transformer/src/Contract/ConversionReportProjection.php
@@ -145,21 +145,25 @@ private static function fallbackDiagnostics(array $fallbacks): array
                     'pattern_family'       => $fallback['pattern_family'] ?? '',
                     'pattern_family_detail' => $fallback['pattern_family_detail'] ?? '',
                     'materialization_hint' => $fallback['materialization_hint'] ?? '',
+                    'materialization_target' => $fallback['materialization_target'] ?? array(),
                     'source_format'   => $fallback['source_format'] ?? '',
                     'source'          => $fallback['source'] ?? '',
                     'scope'           => $fallback['scope'] ?? '',
                     'source_path'            => $fallback['source_path'] ?? '',
                     'tag'                    => $fallback['tag'] ?? '',
                     'selector'               => $fallback['selector'] ?? '',
+                    'container_selector'     => $fallback['container_selector'] ?? '',
                     'source_selector'        => $fallback['source_selector'] ?? '',
                     'source_selector_specificity' => $fallback['source_selector_specificity'] ?? array(),
                     'parent_reason'          => $fallback['parent_reason'] ?? '',
                     'ancestor_reason'        => $fallback['ancestor_reason'] ?? '',
                     'child_count'            => $fallback['child_count'] ?? null,
                     'control_count'          => $fallback['control_count'] ?? null,
+                    'product_count'          => $fallback['product_count'] ?? null,
                     'form'                   => $fallback['form'] ?? array(),
                     'control'                => $fallback['control'] ?? array(),
                     'controls'               => $fallback['controls'] ?? array(),
+                    'products'               => $fallback['products'] ?? array(),
                     'context'                => $fallback['context'] ?? array(),
                     'events'                 => $fallback['events'] ?? array(),
                     'script_dependency_hint' => $fallback['script_dependency_hint'] ?? '',
diff --git a/php-transformer/src/HtmlToBlocks/Diagnostics/DiagnosticsCollector.php b/php-transformer/src/HtmlToBlocks/Diagnostics/DiagnosticsCollector.php
index 6ca3870a..7394bcb3 100644
--- a/php-transformer/src/HtmlToBlocks/Diagnostics/DiagnosticsCollector.php
+++ b/php-transformer/src/HtmlToBlocks/Diagnostics/DiagnosticsCollector.php
@@ -78,6 +78,7 @@ public function collect(
                     'suggested_repair_class'          => $fallback['suggested_repair_class'] ?? null,
                     'suggested_primitive'             => $fallback['suggested_primitive'] ?? null,
                     'materialization_hint'            => $fallback['materialization_hint'] ?? null,
+                    'materialization_target'          => $fallback['materialization_target'] ?? null,
                     'tag'                             => $fallback['tag'] ?? null,
                     'selector'                        => $fallback['selector'] ?? null,
                     'pattern_family'                  => $fallback['pattern_family'] ?? null,
diff --git a/php-transformer/src/HtmlToBlocks/FallbackDiagnostic.php b/php-transformer/src/HtmlToBlocks/FallbackDiagnostic.php
index 1cf7b333..7001af75 100644
--- a/php-transformer/src/HtmlToBlocks/FallbackDiagnostic.php
+++ b/php-transformer/src/HtmlToBlocks/FallbackDiagnostic.php
@@ -51,6 +51,7 @@ public static function withGenericFindingMetadata(array $fields): array
     private static function defaults(array $fields): array
     {
         $code = (string) ($fields['diagnostic_code'] ?? '');
+        $formHasControls = 'html_form_fallback' === $code && ! empty($fields['controls']) && is_array($fields['controls']);
 
         return match ( $code ) {
             'html_form_fallback' => array(
@@ -60,11 +61,17 @@ private static function defaults(array $fields): array
                 'diagnostic_class'      => 'runtime_island_preserved',
                 'preservation_strategy' => 'fallback_metadata_with_readable_blocks',
                 'runtime_requirement'   => 'server_or_client_form_handler',
-                'recoverability'        => 'recoverable_with_runtime_mapping',
-                'actionability'         => 'map_form_action_controls_and_submission_handler',
-                'suggested_repair_class' => 'preserve_runtime_island',
+                'recoverability'        => $formHasControls ? 'recoverable_with_form_provider_materialization' : 'recoverable_with_runtime_mapping',
+                'actionability'         => $formHasControls ? 'materialize_detected_form_with_form_provider' : 'map_form_runtime_or_preserve_handler',
+                'suggested_repair_class' => $formHasControls ? 'materialize_form_provider' : 'preserve_runtime_island',
                 'suggested_primitive'   => 'form',
-                'materialization_hint'  => 'preserve_form_markup_or_replace_with_form_block_integration',
+                'materialization_hint'  => $formHasControls ? 'map_form_action_controls_labels_options_and_submit_text_to_a_form_provider' : 'preserve_form_runtime_source_until_controls_can_be_mapped',
+                'materialization_target' => $formHasControls ? array(
+                    'capability'    => 'form',
+                    'entity'        => 'form',
+                    'provider_role' => 'form_provider',
+                    'requires'      => array( 'controls', 'form' ),
+                ) : array(),
             ),
             'html_product_grid_fallback' => array(
                 'severity'              => 'info',
@@ -77,7 +84,32 @@ private static function defaults(array $fields): array
                 'actionability'         => 'materialize_detected_products_in_a_commerce_provider',
                 'suggested_repair_class' => 'materialize_commerce_products',
                 'suggested_primitive'   => 'product_grid',
-                'materialization_hint'  => 'layout_blocks_are_emitted_as_is; map_each_detected_product_name_price_and_cart_control_onto_a_commerce_provider',
+                'materialization_hint'  => 'layout_blocks_are_emitted_as_is; map_detected_product_names_prices_images_and_descriptions_to_a_shop_provider',
+                'materialization_target' => array(
+                    'capability'    => 'shop',
+                    'entity'        => 'product',
+                    'provider_role' => 'commerce_product_provider',
+                    'requires'      => array( 'products' ),
+                ),
+            ),
+            'html_commerce_controls_fallback' => array(
+                'severity'              => 'warning',
+                'conversion_classification' => 'runtime_island_preserved',
+                'loss_class'            => 'runtime_island_preserved',
+                'diagnostic_class'      => 'commerce_runtime_controls_detected',
+                'preservation_strategy' => 'layout_blocks_with_commerce_control_metadata',
+                'runtime_requirement'   => 'commerce_cart_runtime',
+                'recoverability'        => 'recoverable_with_commerce_cart_runtime_binding',
+                'actionability'         => 'bind_quantity_and_add_to_cart_controls_to_cart_runtime_after_product_materialization',
+                'suggested_repair_class' => 'materialize_commerce_runtime',
+                'suggested_primitive'   => 'commerce_controls',
+                'materialization_hint'  => 'product_data_can_be_seeded_by_a_shop_provider; core_blocks_cannot_provide_cart_state_or_quantity_mutation_without_runtime_binding',
+                'materialization_target' => array(
+                    'capability'    => 'shop',
+                    'entity'        => 'commerce_controls',
+                    'provider_role' => 'commerce_cart_runtime',
+                    'requires'      => array( 'controls', 'seeded_products' ),
+                ),
             ),
             'html_script_fallback' => array(
                 'severity'              => 'warning',
@@ -225,6 +257,7 @@ private static function patternFamily(array $fields): string
         return match ( $code ) {
             'html_form_fallback' => 'interactive_form',
             'html_product_grid_fallback' => 'commerce_product_grid',
+            'html_commerce_controls_fallback' => 'commerce_controls',
             'html_script_fallback' => 'runtime_script',
             'interactive_control_behavior_lost' => 'interactive_control',
             'html_iframe_embed_fallback' => 'external_embed',
diff --git a/php-transformer/src/HtmlToBlocks/HtmlTransformer.php b/php-transformer/src/HtmlToBlocks/HtmlTransformer.php
index 7317edb8..703c0f27 100644
--- a/php-transformer/src/HtmlToBlocks/HtmlTransformer.php
+++ b/php-transformer/src/HtmlToBlocks/HtmlTransformer.php
@@ -454,6 +454,7 @@ public function transform(string $html, array $options = array()): TransformerRe
         $this->recordRuntimeIslandsForPreservedHtmlBlocks($blocks);
         $this->appendInteractiveControlBehaviorLossFallbacks($body, $fallbacks);
         $this->appendProductGridFallbacks($body, $fallbacks);
+        $this->appendCommerceControlsFallbacks($body, $fallbacks);
         $sourceProvenance = $this->sourceProvenanceForBlocks($blocks);
         $serializedBlocks = $this->runtime->serializeBlocks($blocks);
         $blockValidityReport = $this->runtime->validateBlockSerialization($blocks);
@@ -3473,7 +3474,7 @@ private function appendProductGridFallbacks(DOMElement $body, array &$fallbacks)
                 'reason'            => 'commerce_product_grid_detected',
                 'diagnostic_code'   => 'html_product_grid_fallback',
                 'kind'              => 'html_product_grid_fallback',
-                'message'           => 'A product grid was detected; per-card commerce structure was extracted so a consumer can materialize the products.',
+                'message'           => 'A product grid was detected; per-card commerce structure was extracted so a shop provider can materialize the products.',
                 'source_format'     => 'html',
                 'tag'               => strtolower($element->tagName),
                 'selector'          => $this->elementSelector($element),
@@ -3486,6 +3487,52 @@ private function appendProductGridFallbacks(DOMElement $body, array &$fallbacks)
         }
     }
 
+    /**
+     * Surface commerce-specific runtime controls separately from the surrounding
+     * product-grid structure. The transformer can emit editable layout/product
+     * metadata, but quantity and add-to-cart controls require a commerce runtime.
+     *
+     * @param array<int, array<string, mixed>> $fallbacks
+     */
+    private function appendCommerceControlsFallbacks(DOMElement $body, array &$fallbacks): void
+    {
+        $emitted = 0;
+        foreach ( $body->getElementsByTagName('*') as $element ) {
+            if ( ! $element instanceof DOMElement ) {
+                continue;
+            }
+
+            if ( $emitted >= self::MAX_INTERACTION_CANDIDATES ) {
+                return;
+            }
+
+            if ( ! $this->isProductGridContainer($element) ) {
+                continue;
+            }
+
+            $controlGroups = $this->commerceControlGroupsForContainer($element);
+            if ( array() === $controlGroups ) {
+                continue;
+            }
+
+            $fallbacks[] = FallbackDiagnostic::build(array_filter(array(
+                'type'              => 'html',
+                'reason'            => 'commerce_controls_require_runtime',
+                'diagnostic_code'   => 'html_commerce_controls_fallback',
+                'kind'              => 'html_commerce_controls_fallback',
+                'message'           => 'Commerce quantity and add-to-cart controls were detected; product data can be seeded by a shop provider, but these controls need cart runtime binding rather than a static core block approximation.',
+                'source_format'     => 'html',
+                'tag'               => strtolower($element->tagName),
+                'selector'          => $this->elementSelector($element),
+                'container_selector' => $this->elementSelector($element),
+                'context'           => $this->sourceContext($element),
+                'controls'          => $controlGroups,
+                'control_count'     => count($controlGroups),
+            ), static fn (mixed $value): bool => null !== $value && '' !== $value && array() !== $value), $this->fallbackProvenance);
+            ++$emitted;
+        }
+    }
+
     /**
      * Whether an element is a plausible product-grid container: a list (ul/ol) or
      * an element the structure classifier already flags as grid_like.
@@ -3525,6 +3572,35 @@ private function productCardsForContainer(DOMElement $container): array
         return $products;
     }
 
+    /**
+     * @return array<int, array<string, mixed>>
+     */
+    private function commerceControlGroupsForContainer(DOMElement $container): array
+    {
+        $groups = array();
+        foreach ( $container->childNodes as $child ) {
+            if ( ! $child instanceof DOMElement ) {
+                continue;
+            }
+
+            $product = $this->productCardData($child);
+            if ( null === $product || empty($product['has_cart_control']) ) {
+                continue;
+            }
+
+            $hasQuantity = $this->hasQuantityControl($child);
+            $groups[] = array_filter(array(
+                'product_name'         => $product['name'] ?? '',
+                'source_selector'      => $this->elementSelector($child),
+                'has_quantity_control' => $hasQuantity,
+                'has_cart_control'     => true,
+                'runtime_requirement'  => 'commerce_cart_runtime',
+            ), static fn (mixed $value): bool => null !== $value && '' !== $value);
+        }
+
+        return $groups;
+    }
+
     /**
      * Build the per-card product payload when a card qualifies, else null.
      *
@@ -3765,6 +3841,46 @@ private function hasCartControl(DOMElement $card): bool
         return false;
     }
 
+    /**
+     * Whether the card contains quantity UI: number input, spinbutton, +/- controls,
+     * or explicit quantity labels/classes/ARIA. This is diagnostic only.
+     */
+    private function hasQuantityControl(DOMElement $card): bool
+    {
+        foreach ( $card->getElementsByTagName('*') as $descendant ) {
+            if ( ! $descendant instanceof DOMElement ) {
+                continue;
+            }
+
+            $tagName = strtolower($descendant->tagName);
+            $role = strtolower($this->attr($descendant, 'role'));
+            if ( 'input' === $tagName && 'number' === strtolower($this->attr($descendant, 'type')) ) {
+                return true;
+            }
+            if ( 'spinbutton' === $role ) {
+                return true;
+            }
+
+            $haystack = strtolower(implode(' ', array(
+                $this->attr($descendant, 'class'),
+                $this->attr($descendant, 'id'),
+                $this->attr($descendant, 'name'),
+                $this->attr($descendant, 'aria-label'),
+                implode(' ', $this->safeDataAttributes($descendant)),
+                $this->collapsedText($descendant),
+            )));
+
+            if ( preg_match('/\b(?:qty|quantity|decrease|increase)\b/', $haystack) ) {
+                return true;
+            }
+            if ( in_array($tagName, array( 'button', 'a' ), true) && preg_match('/^[+\x{2212}-]$/u', trim($this->collapsedText($descendant))) ) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
     /**
      * An optional short product description: the first paragraph in the card whose
      * text is neither the name nor a price. Returns null when none is present.
@@ -5546,7 +5662,7 @@ private function formFallbackFinding(DOMElement $element, ?array $readableFormBl
             'type'            => 'html',
             'reason'          => 'form_requires_runtime',
             'diagnostic_code' => 'html_form_fallback',
-            'message'         => 'Form HTML requires runtime behavior and was preserved as safe fallback metadata.',
+            'message'         => 'Form intent and controls were extracted as provider-materializable metadata; the source form markup is preserved until a form provider materializes it.',
             'source_format'   => 'html',
             'tag'             => strtolower($element->tagName),
             'selector'        => $this->elementSelector($element),
diff --git a/php-transformer/tests/contract/run.php b/php-transformer/tests/contract/run.php
index 0e7f939d..9dedc1de 100644
--- a/php-transformer/tests/contract/run.php
+++ b/php-transformer/tests/contract/run.php
@@ -484,7 +484,10 @@ public function match(DOMElement $element, PatternContext $context): ?array
 $assert('html_form_fallback' === ($formFallbackDiagnostic['diagnostic_code'] ?? ''), 'data-entry runtime form fallback carries the form diagnostic code');
 $assert('email' === ($formFallbackDiagnostic['controls'][0]['name'] ?? ''), 'data-entry runtime form fallback carries generic control metadata');
 $assert('/contact' === ($formFallbackDiagnostic['form']['action'] ?? ''), 'data-entry runtime form fallback carries form action metadata');
+$assert('form' === ($formFallbackDiagnostic['materialization_target']['capability'] ?? ''), 'data-entry runtime form targets a form materializer capability');
+$assert('form_provider' === ($formFallbackDiagnostic['materialization_target']['provider_role'] ?? ''), 'data-entry runtime form targets a form provider role');
 $assertNormalizedFallbackDiagnostic($formFallback['source_reports']['conversion_report']['fallback_diagnostics'][0] ?? array(), 'html_form_fallback', 'warning', 'server_or_client_form_handler', 'form');
+$assert('form_provider' === ($formFallback['source_reports']['conversion_report']['fallback_diagnostics'][0]['materialization_target']['provider_role'] ?? ''), 'conversion report preserves form provider materialization target');
 $assert('core/html' === ($formFallback['blocks'][0]['blockName'] ?? ''), 'data-entry form materializes as preserved form HTML');
 $assert(str_contains((string) ($formFallback['serialized_blocks'] ?? ''), '<form action="/contact" method="post"'), 'data-entry form serialized markup keeps the form element');
 $assert(str_contains((string) ($formFallback['serialized_blocks'] ?? ''), '<input id="email"'), 'data-entry form serialized markup keeps input controls');
@@ -497,6 +500,46 @@ public function match(DOMElement $element, PatternContext $context): ?array
 $assert(1 === count($formRuntimeIslands), 'data-entry form preservation reports a form runtime island');
 $assert('server_or_client_form_handler' === ($formRuntimeIslands[0]['runtime_requirement'] ?? ''), 'form runtime island carries the server/client form-handler requirement');
 
+$newsletterFallback = ( new HtmlTransformer() )->transform(
+    '<main><section><h2>Newsletter</h2><form class="newsletter-form" action="#" method="post" novalidate><input type="email" name="email" placeholder="your@email.com" autocomplete="email" required aria-label="Email address"><button type="submit">Subscribe</button></form></section></main>'
+)->toArray();
+$newsletterFallbackDiagnostic = $newsletterFallback['fallbacks'][0] ?? array();
+$assert('html_form_fallback' === ($newsletterFallbackDiagnostic['diagnostic_code'] ?? ''), 'static newsletter form stays classified as a provider-materializable form target');
+$assert('interactive_form' === ($newsletterFallbackDiagnostic['pattern_family'] ?? ''), 'static newsletter form uses the interactive_form family');
+$assert('form' === ($newsletterFallbackDiagnostic['suggested_primitive'] ?? ''), 'static newsletter form suggests a form primitive, not a fake native layout');
+$assert('form_provider' === ($newsletterFallbackDiagnostic['materialization_target']['provider_role'] ?? ''), 'static newsletter form declares the form provider materialization role');
+$assert(0 === substr_count((string) ($newsletterFallback['serialized_blocks'] ?? ''), '<!-- wp:html'), 'readable newsletter form output avoids core/html while keeping fallback metadata explicit');
+
+$commerceControls = ( new HtmlTransformer() )->transform(
+    '<main><ul class="products"><li><article class="product-card"><h3>Tour Tee</h3><p>Heavy cotton shirt.</p><div class="price">$30</div><div aria-label="Quantity"><button data-dir="down" aria-label="Decrease quantity">-</button><span aria-live="polite">1</span><button data-dir="up" aria-label="Increase quantity">+</button></div><button class="add-to-cart">Add to cart</button></article></li><li><article class="product-card"><h3>Signed CD</h3><p>Hand-signed disc.</p><div class="price">$15</div><div aria-label="Quantity"><button data-dir="down" aria-label="Decrease quantity">-</button><span aria-live="polite">1</span><button data-dir="up" aria-label="Increase quantity">+</button></div><button class="add-to-cart">Add to cart</button></article></li></ul></main>'
+)->toArray();
+$commerceDiagnostics = array();
+foreach ( $commerceControls['fallbacks'] ?? array() as $fallback ) {
+    $commerceDiagnostics[(string) ($fallback['diagnostic_code'] ?? '')] = $fallback;
+}
+$assert(isset($commerceDiagnostics['html_product_grid_fallback']), 'commerce cards still expose product-grid materialization metadata');
+$assert(isset($commerceDiagnostics['html_commerce_controls_fallback']), 'commerce quantity/cart controls expose a dedicated runtime diagnostic');
+$assert('commerce_product_provider' === ($commerceDiagnostics['html_product_grid_fallback']['materialization_target']['provider_role'] ?? ''), 'commerce product grid targets product materialization through a shop provider');
+$assert('product' === ($commerceDiagnostics['html_product_grid_fallback']['materialization_target']['entity'] ?? ''), 'commerce product grid materialization target is product data');
+$commerceReportDiagnostics = array();
+foreach ( $commerceControls['source_reports']['conversion_report']['fallback_diagnostics'] ?? array() as $diagnostic ) {
+    $commerceReportDiagnostics[(string) ($diagnostic['diagnostic_code'] ?? '')] = $diagnostic;
+}
+$assert(2 === ($commerceReportDiagnostics['html_product_grid_fallback']['product_count'] ?? 0), 'conversion report preserves product-grid product count');
+$assert('Tour Tee' === ($commerceReportDiagnostics['html_product_grid_fallback']['products'][0]['name'] ?? ''), 'conversion report preserves product data for shop-provider materialization');
+$assert('commerce_product_provider' === ($commerceReportDiagnostics['html_product_grid_fallback']['materialization_target']['provider_role'] ?? ''), 'conversion report preserves shop-provider product target');
+$assert('commerce_controls' === ($commerceDiagnostics['html_commerce_controls_fallback']['pattern_family'] ?? ''), 'commerce controls use the commerce_controls pattern family');
+$assert('commerce_cart_runtime' === ($commerceDiagnostics['html_commerce_controls_fallback']['runtime_requirement'] ?? ''), 'commerce controls require a commerce cart runtime');
+$assert('commerce_controls' === ($commerceDiagnostics['html_commerce_controls_fallback']['suggested_primitive'] ?? ''), 'commerce controls do not pretend to have a native core block path');
+$assert('commerce_cart_runtime' === ($commerceDiagnostics['html_commerce_controls_fallback']['materialization_target']['provider_role'] ?? ''), 'commerce controls target cart runtime binding, not product data seeding');
+$assert(true === ($commerceDiagnostics['html_commerce_controls_fallback']['controls'][0]['has_quantity_control'] ?? null), 'commerce controls preserve quantity-control evidence');
+
+$contactLayout = ( new HtmlTransformer() )->transform(
+    '<main><section class="contact-layout"><div><h2>Booking</h2><p>For shows, email <a href="mailto:booking@example.com">booking@example.com</a>.</p></div><div><h2>Follow</h2><p><a href="https://example.com">Instagram</a></p></div></section></main>'
+)->toArray();
+$assert(array() === ($contactLayout['fallbacks'] ?? array()), 'static contact layout decomposes without fallback diagnostics');
+$assert(0 === substr_count((string) ($contactLayout['serialized_blocks'] ?? ''), '<!-- wp:html'), 'static contact layout emits native blocks only');
+
 $inlineSvgArtwork = ( new HtmlTransformer() )->transform(
     '<main><svg class="album-art" viewBox="0 0 100 100" role="img" aria-label="Album art"><rect width="100" height="100" fill="#111"/><circle cx="50" cy="50" r="30" fill="#c4581a"/></svg></main>'
 )->toArray();
diff --git a/php-transformer/tests/fixtures/parity/generated-store-inferred-html.json b/php-transformer/tests/fixtures/parity/generated-store-inferred-html.json
index ceeddf30..b739f13a 100644
--- a/php-transformer/tests/fixtures/parity/generated-store-inferred-html.json
+++ b/php-transformer/tests/fixtures/parity/generated-store-inferred-html.json
@@ -1,11 +1,11 @@
 {
   "schema": "blocks-engine/php-transformer/parity-fixture/v1",
   "name": "generated-store-inferred-html",
-  "description": "Converts compact generated-store product-card HTML inferred from a product fixture into core blocks without store-runtime validation.",
+  "description": "Converts compact generated-store product-card HTML inferred from a product fixture into core blocks and reports commerce runtime controls without store-runtime validation.",
   "source_reference": {
     "repo": "php-transformer",
     "path": "tests/fixtures/generated-store-inferred/index.html",
-    "notes": "Compact transformer-level fixture covering visible product-card structure and actions, not WooCommerce dependency or product inference validation."
+    "notes": "Compact transformer-level fixture covering visible product-card structure and actions, not WooCommerce dependency or product inference validation. Add-to-cart controls are reported as commerce runtime requirements rather than approximated with static core blocks."
   },
   "legacy_comparison": {
     "skip": true,
@@ -26,7 +26,8 @@
     { "path": "blocks.0.innerBlocks.2.innerBlocks.2", "name": "core/buttons" }
   ],
   "expected_fallbacks": [
-    { "type": "html", "reason": "commerce_product_grid_detected", "tag": "section", "diagnostic_code": "html_product_grid_fallback", "kind": "html_product_grid_fallback", "product_count": 2 }
+    { "type": "html", "reason": "commerce_product_grid_detected", "tag": "section", "diagnostic_code": "html_product_grid_fallback", "kind": "html_product_grid_fallback", "product_count": 2 },
+    { "type": "html", "reason": "commerce_controls_require_runtime", "tag": "section", "diagnostic_code": "html_commerce_controls_fallback", "kind": "html_commerce_controls_fallback", "control_count": 2 }
   ],
   "expect": [
     { "path": "status", "assert": "equals", "value": "success" },
@@ -34,7 +35,7 @@
     { "path": "blocks.0.innerBlocks", "assert": "count", "count": 3 },
     { "path": "serialized_blocks", "assert": "contains", "value": "Signal Hoodie" },
     { "path": "serialized_blocks", "assert": "contains", "value": "#signal-hoodie" },
-    { "path": "fallbacks", "assert": "count", "count": 1 },
+    { "path": "fallbacks", "assert": "count", "count": 2 },
     { "path": "fallbacks.0.diagnostic_code", "assert": "equals", "value": "html_product_grid_fallback" },
     { "path": "fallbacks.0.kind", "assert": "equals", "value": "html_product_grid_fallback" },
     { "path": "fallbacks.0.reason_code", "assert": "equals", "value": "html_product_grid_fallback" },
@@ -50,6 +51,13 @@
     { "path": "fallbacks.0.products.0.source_selector", "assert": "equals", "value": "section:nth-of-type(1) > article:nth-of-type(1)" },
     { "path": "fallbacks.0.products.1.name", "assert": "equals", "value": "Field Notes" },
     { "path": "fallbacks.0.products.1.price", "assert": "equals", "value": "$12" },
-    { "path": "fallbacks.0.products.1.has_cart_control", "assert": "equals", "value": true }
+    { "path": "fallbacks.0.products.1.has_cart_control", "assert": "equals", "value": true },
+    { "path": "fallbacks.1.diagnostic_code", "assert": "equals", "value": "html_commerce_controls_fallback" },
+    { "path": "fallbacks.1.pattern_family", "assert": "equals", "value": "commerce_controls" },
+    { "path": "fallbacks.1.repair_bucket", "assert": "equals", "value": "materialize_commerce_runtime" },
+    { "path": "fallbacks.1.runtime_requirement", "assert": "equals", "value": "commerce_cart_runtime" },
+    { "path": "fallbacks.1.controls", "assert": "count", "count": 2 },
+    { "path": "fallbacks.1.controls.0.product_name", "assert": "equals", "value": "Signal Hoodie" },
+    { "path": "fallbacks.1.controls.1.product_name", "assert": "equals", "value": "Field Notes" }
   ]
 }
diff --git a/php-transformer/tests/fixtures/parity/html-product-card-svg-price-grid.json b/php-transformer/tests/fixtures/parity/html-product-card-svg-price-grid.json
index dc65093e..8b94d5b4 100644
--- a/php-transformer/tests/fixtures/parity/html-product-card-svg-price-grid.json
+++ b/php-transformer/tests/fixtures/parity/html-product-card-svg-price-grid.json
@@ -1,11 +1,11 @@
 {
   "schema": "blocks-engine/php-transformer/parity-fixture/v1",
   "name": "html-product-card-svg-price-grid",
-  "description": "Preserves product cards with passive inline SVG imagery as native core/image blocks, product names, prices, and CTA buttons inside a card grid.",
+  "description": "Preserves product cards with passive inline SVG imagery as native core/image blocks, product names, prices, and CTA buttons inside a card grid while reporting CTA controls as commerce runtime requirements.",
   "source_reference": {
     "repo": "php-transformer",
     "path": "tests/fixtures/parity/html-product-card-svg-price-grid.json",
-    "notes": "Generic product-card coverage for image/name/price/action semantics."
+    "notes": "Generic product-card coverage for image/name/price/action semantics. Product CTAs are surfaced as commerce controls because core blocks cannot provide cart runtime behavior."
   },
   "legacy_comparison": {
     "skip": true,
@@ -25,7 +25,8 @@
     { "path": "blocks.0.innerBlocks.0.innerBlocks.3.innerBlocks.0", "name": "core/button", "attrs": { "className": "product-cta", "text": "Buy now", "url": "/products/bowl" } }
   ],
   "expected_fallbacks": [
-    { "type": "html", "reason": "commerce_product_grid_detected", "tag": "div", "diagnostic_code": "html_product_grid_fallback", "kind": "html_product_grid_fallback", "product_count": 2 }
+    { "type": "html", "reason": "commerce_product_grid_detected", "tag": "div", "diagnostic_code": "html_product_grid_fallback", "kind": "html_product_grid_fallback", "product_count": 2 },
+    { "type": "html", "reason": "commerce_controls_require_runtime", "tag": "div", "diagnostic_code": "html_commerce_controls_fallback", "kind": "html_commerce_controls_fallback", "control_count": 2 }
   ],
   "expect": [
     { "path": "status", "assert": "equals", "value": "success" },
@@ -37,7 +38,7 @@
     { "path": "serialized_blocks", "assert": "contains", "value": "product-price" },
     { "path": "source_reports.html.structure_signals.3.signals.price_like", "assert": "equals", "value": true },
     { "path": "source_reports.html.structure_signals.14.signals.grid_like", "assert": "equals", "value": true },
-    { "path": "fallbacks", "assert": "count", "count": 1 },
+    { "path": "fallbacks", "assert": "count", "count": 2 },
     { "path": "fallbacks.0.diagnostic_code", "assert": "equals", "value": "html_product_grid_fallback" },
     { "path": "fallbacks.0.container_selector", "assert": "equals", "value": "div:nth-of-type(1)" },
     { "path": "fallbacks.0.products", "assert": "count", "count": 2 },
@@ -46,6 +47,12 @@
     { "path": "fallbacks.0.products.0.has_cart_control", "assert": "equals", "value": true },
     { "path": "fallbacks.0.products.1.name", "assert": "equals", "value": "Linen Towel" },
     { "path": "fallbacks.0.products.1.price", "assert": "equals", "value": "$18" },
-    { "path": "fallbacks.0.products.1.has_cart_control", "assert": "equals", "value": true }
+    { "path": "fallbacks.0.products.1.has_cart_control", "assert": "equals", "value": true },
+    { "path": "fallbacks.1.diagnostic_code", "assert": "equals", "value": "html_commerce_controls_fallback" },
+    { "path": "fallbacks.1.pattern_family", "assert": "equals", "value": "commerce_controls" },
+    { "path": "fallbacks.1.runtime_requirement", "assert": "equals", "value": "commerce_cart_runtime" },
+    { "path": "fallbacks.1.controls", "assert": "count", "count": 2 },
+    { "path": "fallbacks.1.controls.0.product_name", "assert": "equals", "value": "Ceramic Bowl" },
+    { "path": "fallbacks.1.controls.1.product_name", "assert": "equals", "value": "Linen Towel" }
   ]
 }
diff --git a/php-transformer/tests/fixtures/parity/html-product-grid-schema-and-structural.json b/php-transformer/tests/fixtures/parity/html-product-grid-schema-and-structural.json
index 2a644df5..01e1ae2d 100644
--- a/php-transformer/tests/fixtures/parity/html-product-grid-schema-and-structural.json
+++ b/php-transformer/tests/fixtures/parity/html-product-grid-schema-and-structural.json
@@ -1,11 +1,11 @@
 {
   "schema": "blocks-engine/php-transformer/parity-fixture/v1",
   "name": "html-product-grid-schema-and-structural",
-  "description": "Emits an additive html_product_grid_fallback finding for a schema.org Product grid (name/price/sale_price/image/cart control) while leaving a generic services grid and a price-only pricing table unflagged.",
+  "description": "Emits additive product-grid and commerce-control findings for a schema.org Product grid (name/price/sale_price/image/cart control) while leaving a generic services grid and a price-only pricing table unflagged.",
   "source_reference": {
     "repo": "php-transformer",
     "path": "tests/fixtures/parity/html-product-grid-schema-and-structural.json",
-    "notes": "Product-neutral fixture: detection is driven by schema.org microdata and the structural commerce triad (name + currency price + add-to-cart control), never by fixture class names. Proves genericity by leaving the services/pricing grids silent."
+    "notes": "Product-neutral fixture: detection is driven by schema.org microdata and the structural commerce triad (name + currency price + add-to-cart control), never by fixture names. Commerce controls are reported as a runtime requirement instead of pretending a native core block can provide cart state. Proves genericity by leaving the services/pricing grids silent."
   },
   "legacy_comparison": {
     "skip": true,
@@ -16,11 +16,12 @@
     "content": "<main><ul class=\"product-grid\"><li class=\"card\" itemscope itemtype=\"https://schema.org/Product\"><img src=\"/img/lamp.jpg\" alt=\"Desk Lamp\"><h3 itemprop=\"name\">Desk Lamp</h3><p class=\"desc\">Warm focused light for any desk.</p><span class=\"price\" itemprop=\"price\">$48</span><span class=\"price sale\">$36</span><a class=\"add-to-cart\" href=\"/cart/add/lamp\">Add to cart</a></li><li class=\"card\" itemscope itemtype=\"https://schema.org/Product\"><h3 itemprop=\"name\">Wall Clock</h3><span class=\"price\" itemprop=\"price\">$29</span><button class=\"buy-now\">Buy now</button></li></ul><div class=\"services grid\"><div class=\"service card\"><h3>Consulting</h3><p>We help you grow.</p><a href=\"/contact\">Learn more</a></div><div class=\"service card\"><h3>Design</h3><p>Beautiful interfaces.</p><a href=\"/contact\">Learn more</a></div></div><section class=\"pricing grid\"><div class=\"tier card\"><h3>Basic</h3><span class=\"price\">$9/mo</span><a href=\"/signup\">Get started</a></div><div class=\"tier card\"><h3>Pro</h3><span class=\"price\">$29/mo</span><a href=\"/signup\">Get started</a></div></section></main>"
   },
   "expected_fallbacks": [
-    { "type": "html", "reason": "commerce_product_grid_detected", "tag": "ul", "diagnostic_code": "html_product_grid_fallback", "kind": "html_product_grid_fallback", "product_count": 2 }
+    { "type": "html", "reason": "commerce_product_grid_detected", "tag": "ul", "diagnostic_code": "html_product_grid_fallback", "kind": "html_product_grid_fallback", "product_count": 2 },
+    { "type": "html", "reason": "commerce_controls_require_runtime", "tag": "ul", "diagnostic_code": "html_commerce_controls_fallback", "kind": "html_commerce_controls_fallback", "control_count": 2 }
   ],
   "expect": [
     { "path": "status", "assert": "equals", "value": "success" },
-    { "path": "fallbacks", "assert": "count", "count": 1 },
+    { "path": "fallbacks", "assert": "count", "count": 2 },
     { "path": "fallbacks.0.diagnostic_code", "assert": "equals", "value": "html_product_grid_fallback" },
     { "path": "fallbacks.0.kind", "assert": "equals", "value": "html_product_grid_fallback" },
     { "path": "fallbacks.0.reason_code", "assert": "equals", "value": "html_product_grid_fallback" },
@@ -39,6 +40,14 @@
     { "path": "fallbacks.0.products.1.name", "assert": "equals", "value": "Wall Clock" },
     { "path": "fallbacks.0.products.1.price", "assert": "equals", "value": "$29" },
     { "path": "fallbacks.0.products.1.sale_price", "assert": "equals", "value": null },
-    { "path": "fallbacks.0.products.1.has_cart_control", "assert": "equals", "value": true }
+    { "path": "fallbacks.0.products.1.has_cart_control", "assert": "equals", "value": true },
+    { "path": "fallbacks.1.diagnostic_code", "assert": "equals", "value": "html_commerce_controls_fallback" },
+    { "path": "fallbacks.1.kind", "assert": "equals", "value": "html_commerce_controls_fallback" },
+    { "path": "fallbacks.1.pattern_family", "assert": "equals", "value": "commerce_controls" },
+    { "path": "fallbacks.1.repair_bucket", "assert": "equals", "value": "materialize_commerce_runtime" },
+    { "path": "fallbacks.1.runtime_requirement", "assert": "equals", "value": "commerce_cart_runtime" },
+    { "path": "fallbacks.1.controls", "assert": "count", "count": 2 },
+    { "path": "fallbacks.1.controls.0.product_name", "assert": "equals", "value": "Desk Lamp" },
+    { "path": "fallbacks.1.controls.1.product_name", "assert": "equals", "value": "Wall Clock" }
   ]
 }