chore(deps): bump actions/checkout from 4 to 7

.github/workflows/accessibility.yml

@@ -16,7 +16,7 @@ jobs:
     name: Accessibility Audit
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - uses: actions/setup-node@v6
         with:

.github/workflows/ci.yml

@@ -23,7 +23,7 @@ jobs:
     name: Lint & Format Check
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - uses: actions/setup-node@v6
         with:
@@ -43,7 +43,7 @@ jobs:
     name: TypeScript Type Check
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - uses: actions/setup-node@v6
         with:
@@ -62,7 +62,7 @@ jobs:
       matrix:
         node-version: ['18', '20']
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - uses: actions/setup-node@v6
         with:
@@ -85,7 +85,7 @@ jobs:
     name: E2E Tests
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - uses: actions/setup-node@v6
         with:
@@ -112,7 +112,7 @@ jobs:
     name: Visual Regression Tests
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - uses: actions/setup-node@v6
         with:
@@ -184,7 +184,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: [lint, type-check, test]
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - uses: actions/setup-node@v6
         with:
@@ -223,7 +223,7 @@ jobs:
       BUDGET_STELLAR_KB: 800 # stellar-sdk chunk (large, but isolated)
       BUDGET_TOTAL_KB: 2000 # total gzipped JS across all chunks
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - uses: actions/setup-node@v6
         with:
@@ -319,7 +319,7 @@ jobs:
         'generate-bundle-report'
       )
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - uses: actions/setup-node@v6
         with:

.github/workflows/dependency-check.yml

@@ -27,7 +27,7 @@ jobs:
     name: NPM Security Audit
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - uses: actions/setup-node@v6
         with:
@@ -55,7 +55,7 @@ jobs:
     name: Outdated Dependencies
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - uses: actions/setup-node@v6
         with:

.github/workflows/dependency-updates.yml

@@ -11,7 +11,7 @@ jobs:
     name: Check & Update Dependencies
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
 
@@ -38,7 +38,7 @@ jobs:
     name: Verify Dependabot Config
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Check dependabot config exists
         run: |
           if [ ! -f .github/dependabot.yml ]; then

.github/workflows/deploy.yml

@@ -11,7 +11,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Setup Node.js
         uses: actions/setup-node@v6

.github/workflows/docs.yml

@@ -35,7 +35,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Setup Node.js
         uses: actions/setup-node@v6
@@ -65,7 +65,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Setup Node.js
         uses: actions/setup-node@v6
@@ -87,7 +87,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Setup Node.js
         uses: actions/setup-node@v6
@@ -126,7 +126,7 @@ jobs:
     needs: [generate-api-docs]
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Download generated docs
         uses: actions/download-artifact@v8

.github/workflows/testing.yml

@@ -29,7 +29,7 @@ jobs:
       matrix:
         viewport: [mobile, tablet, desktop, wide]
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - uses: actions/setup-node@v6
         with:
@@ -77,7 +77,7 @@ jobs:
     if: github.event_name == 'workflow_dispatch' || vars.CHROMATIC_ENABLED == 'true'
     continue-on-error: true
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
 
@@ -105,7 +105,7 @@ jobs:
     if: github.event_name == 'schedule' || github.event_name == 'workflow_dispatch'
     timeout-minutes: 30
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - uses: actions/setup-node@v6
         with:
@@ -132,7 +132,7 @@ jobs:
     name: Coverage Gate
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - uses: actions/setup-node@v6
         with:
@@ -183,7 +183,7 @@ jobs:
     name: Lighthouse CI
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0  # Fetch full history for regression correlation
 
@@ -232,7 +232,7 @@ jobs:
     name: Accessibility Gate
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - uses: actions/setup-node@v6
         with: