app/Filament/Pages/InventoryCoverage.php

@@ -2,6 +2,7 @@
 
 namespace App\Filament\Pages;
 
+use App\Services\Inventory\CoverageCapabilitiesResolver;
 use BackedEnum;
 use Filament\Pages\Page;
 use UnitEnum;
@@ -31,7 +32,24 @@ public function mount(): void
         $policyTypes = config('tenantpilot.supported_policy_types', []);
         $foundationTypes = config('tenantpilot.foundation_types', []);
 
-        $this->supportedPolicyTypes = is_array($policyTypes) ? $policyTypes : [];
-        $this->foundationTypes = is_array($foundationTypes) ? $foundationTypes : [];
+        $resolver = app(CoverageCapabilitiesResolver::class);
+
+        $this->supportedPolicyTypes = collect(is_array($policyTypes) ? $policyTypes : [])
+            ->map(function (array $row) use ($resolver): array {
+                $type = (string) ($row['type'] ?? '');
+
+                return array_merge($row, [
+                    'dependencies' => $type !== '' && $resolver->supportsDependencies($type),
+                ]);
+            })
+            ->all();
+
+        $this->foundationTypes = collect(is_array($foundationTypes) ? $foundationTypes : [])
+            ->map(function (array $row): array {
+                return array_merge($row, [
+                    'dependencies' => false,
+                ]);
+            })
+            ->all();
     }
 }

app/Services/Inventory/CoverageCapabilitiesResolver.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace App\Services\Inventory;
+
+class CoverageCapabilitiesResolver
+{
+    public function supportsDependencies(string $type): bool
+    {
+        $contracts = config('graph_contracts.types', []);
+        if (! is_array($contracts)) {
+            return false;
+        }
+
+        $meta = $contracts[$type] ?? null;
+        if (! is_array($meta)) {
+            return false;
+        }
+
+        if (array_key_exists('assignments_list_path', $meta)) {
+            return true;
+        }
+
+        return ($meta['supports_scope_tags'] ?? false) === true;
+    }
+}

resources/views/filament/pages/inventory-coverage.blade.php

@@ -8,6 +8,7 @@
                         <th class="py-2 pr-4 font-medium">Type</th>
                         <th class="py-2 pr-4 font-medium">Label</th>
                         <th class="py-2 pr-4 font-medium">Category</th>
+                        <th class="py-2 pr-4 font-medium">Dependencies</th>
                         <th class="py-2 pr-4 font-medium">Restore</th>
                         <th class="py-2 pr-4 font-medium">Risk</th>
                     </tr>
@@ -18,6 +19,7 @@
                             <td class="py-2 pr-4">{{ $row['type'] ?? '' }}</td>
                             <td class="py-2 pr-4">{{ $row['label'] ?? '' }}</td>
                             <td class="py-2 pr-4">{{ $row['category'] ?? '' }}</td>
+                            <td class="py-2 pr-4">{{ ($row['dependencies'] ?? false) ? '✅' : '—' }}</td>
                             <td class="py-2 pr-4">{{ $row['restore'] ?? 'enabled' }}</td>
                             <td class="py-2 pr-4">{{ $row['risk'] ?? 'normal' }}</td>
                         </tr>
@@ -36,6 +38,7 @@
                         <th class="py-2 pr-4 font-medium">Type</th>
                         <th class="py-2 pr-4 font-medium">Label</th>
                         <th class="py-2 pr-4 font-medium">Category</th>
+                        <th class="py-2 pr-4 font-medium">Dependencies</th>
                         <th class="py-2 pr-4 font-medium">Restore</th>
                         <th class="py-2 pr-4 font-medium">Risk</th>
                     </tr>
@@ -46,6 +49,7 @@
                             <td class="py-2 pr-4">{{ $row['type'] ?? '' }}</td>
                             <td class="py-2 pr-4">{{ $row['label'] ?? '' }}</td>
                             <td class="py-2 pr-4">{{ $row['category'] ?? '' }}</td>
+                            <td class="py-2 pr-4">{{ ($row['dependencies'] ?? false) ? '✅' : '—' }}</td>
                             <td class="py-2 pr-4">{{ $row['restore'] ?? 'enabled' }}</td>
                             <td class="py-2 pr-4">{{ $row['risk'] ?? 'normal' }}</td>
                         </tr>

specs/047-inventory-foundations-nodes/checklists/requirements.md

@@ -17,6 +17,7 @@ ## Feature 047 Functional Coverage
 - [x] FR-002 include_foundations=false produces no foundation node sync side effects.
 - [x] FR-003 Foundation nodes stored as InventoryItems with stable identity (tenant_id + policy_type + external_id).
 - [x] FR-004 Inventory Coverage UI shows Policies + Foundations.
+- [x] FR-COV-DEP: Coverage shows deterministic Dependencies support column (✅/—) derived from existing capabilities (no Graph calls).
 - [x] FR-005 Inventory Items UI can filter/browse foundations.
 
 ## Test Gates

specs/047-inventory-foundations-nodes/spec.md

@@ -98,6 +98,27 @@ ### FR-004 Inventory Coverage UI
 - “Policies” table (existing behavior)
 - “Foundations” table (new; derived from `tenantpilot.foundation_types`)
 
+#### FR-COV-DEP-001 Dependencies column
+Coverage MUST display an additional column:
+- Header: `Dependencies`
+- Value: `✅` or `—`
+
+#### FR-COV-DEP-002 Deterministic derivation
+The `Dependencies` value MUST be derived deterministically from existing capabilities (config/contracts) only:
+
+`✅` if at least one holds:
+- the type supports Assignments extraction, or
+- the type supports Scope Tags, or
+- the type can reference Assignment Filters, or
+- the type has dependency extraction rules in Spec 042 (relationship taxonomy / extractor mapping)
+
+Otherwise: `—`.
+
+This is **feature support**, not “Graph supports $expand”.
+
+MVP decision:
+- For foundation types, default to `—`.
+
 ### FR-005 Inventory Items UI
 Inventory Items list MUST allow:
 - filtering to Foundations (e.g., Category = Foundations)

specs/047-inventory-foundations-nodes/tasks.md

@@ -70,6 +70,12 @@ ## Phase 5: User Story 3 — Coverage communication (Priority: P2)
 - [ ] T015 [US3] Update Coverage Blade view to render two tables in resources/views/filament/pages/inventory-coverage.blade.php
 - [ ] T016 [P] [US3] Add/adjust Pest test assertions for both headings in tests/Feature/Filament/InventoryPagesTest.php
 
+### Coverage Dependencies Support (UI-only)
+
+- [x] T026 [US3] Add Coverage table column `Dependencies` (✅/—) in resources/views/filament/pages/inventory-coverage.blade.php
+- [x] T027 [US3] Add deterministic resolver CoverageCapabilitiesResolver::supportsDependencies($type) (contracts/config derived) + unit test in tests/Unit/CoverageCapabilitiesResolverTest.php
+- [x] T028 [P] [US3] Update Pest UI/feature test to assert Coverage renders `Dependencies` column and at least one ✅ in tests/Feature/Filament/InventoryPagesTest.php
+
 ---
 
 ## Phase 6: User Story 4 — Resolve dependency names (Priority: P3)

tests/Feature/Filament/InventoryPagesTest.php

@@ -25,5 +25,7 @@
         ->assertOk()
         ->assertSee('Coverage')
         ->assertSee('Policies')
-        ->assertSee('Foundations');
+        ->assertSee('Foundations')
+        ->assertSee('Dependencies')
+        ->assertSee('✅');
 });

tests/Unit/CoverageCapabilitiesResolverTest.php

@@ -0,0 +1,14 @@
+<?php
+
+use App\Services\Inventory\CoverageCapabilitiesResolver;
+
+it('derives dependency support deterministically from graph contracts', function (string $type, bool $expected) {
+    $resolver = app(CoverageCapabilitiesResolver::class);
+
+    expect($resolver->supportsDependencies($type))->toBe($expected);
+})->with([
+    'settingsCatalogPolicy' => ['settingsCatalogPolicy', true],
+    'deviceConfiguration' => ['deviceConfiguration', true],
+    'conditionalAccessPolicy' => ['conditionalAccessPolicy', false],
+    'roleScopeTag (foundation, MVP)' => ['roleScopeTag', false],
+]);