feat: sleek resume redesign + automated S3 deploy

.github/workflows/ci-preview.yml

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+name: Preview validation
+
+on:
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  validate:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Validate required frontend files exist
+        run: |
+          test -f frontend/index.html
+          test -f frontend/style.css
+          test -f frontend/script.js
+          echo "Frontend files present."

.github/workflows/deploy.yml

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+name: Deploy resume to S3
+
+on:
+  push:
+    branches: [main]
+  workflow_dispatch:
+
+permissions:
+  id-token: write
+  contents: read
+
+concurrency:
+  group: deploy-cloud-resume
+  cancel-in-progress: true
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Configure AWS credentials (OIDC)
+        uses: aws-actions/configure-aws-credentials@v4
+        with:
+          role-to-assume: ${{ secrets.AWS_ROLE_TO_ASSUME }}
+          aws-region: ${{ vars.AWS_REGION }}
+
+      - name: Upload static assets with long cache
+        run: |
+          aws s3 sync frontend/ s3://${{ vars.S3_BUCKET }} \
+            --delete \
+            --exclude "index.html" \
+            --cache-control "public,max-age=31536000,immutable"
+
+      - name: Upload index.html with no-cache
+        run: |
+          aws s3 cp frontend/index.html s3://${{ vars.S3_BUCKET }}/index.html \
+            --content-type "text/html; charset=utf-8" \
+            --cache-control "no-cache, no-store, must-revalidate"
+
+      - name: Invalidate CloudFront cache (optional)
+        if: ${{ vars.CLOUDFRONT_DISTRIBUTION_ID != '' }}
+        run: |
+          aws cloudfront create-invalidation \
+            --distribution-id ${{ vars.CLOUDFRONT_DISTRIBUTION_ID }} \
+            --paths "/*"

DEPLOYMENT.md

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+# Cloud Resume Auto Deploy (GitHub Actions → S3)
+
+This repo auto-deploys `frontend/` to S3 on every push to `main`.
+
+## 1) GitHub repo settings
+
+Add these in **Settings → Secrets and variables → Actions**.
+
+### Secrets
+- `AWS_ROLE_TO_ASSUME` = IAM role ARN used by GitHub OIDC
+
+### Variables
+- `AWS_REGION` (example: `us-east-1`)
+- `S3_BUCKET` (bucket name only)
+- `CLOUDFRONT_DISTRIBUTION_ID` (optional; leave empty if not using CloudFront)
+
+## 2) Create IAM role for GitHub OIDC
+
+### Trust policy (replace ACCOUNT_ID and repo name if needed)
+
+```json
+{
+  "Version": "2012-10-17",
+  "Statement": [
+    {
+      "Effect": "Allow",
+      "Principal": {
+        "Federated": "arn:aws:iam::ACCOUNT_ID:oidc-provider/token.actions.githubusercontent.com"
+      },
+      "Action": "sts:AssumeRoleWithWebIdentity",
+      "Condition": {
+        "StringEquals": {
+          "token.actions.githubusercontent.com:aud": "sts.amazonaws.com"
+        },
+        "StringLike": {
+          "token.actions.githubusercontent.com:sub": "repo:CameronMB/cloud-resume:ref:refs/heads/main"
+        }
+      }
+    }
+  ]
+}
+```
+
+### Permissions policy (replace BUCKET_NAME and distribution ARN if used)
+
+```json
+{
+  "Version": "2012-10-17",
+  "Statement": [
+    {
+      "Sid": "ListBucket",
+      "Effect": "Allow",
+      "Action": ["s3:ListBucket"],
+      "Resource": "arn:aws:s3:::BUCKET_NAME"
+    },
+    {
+      "Sid": "ReadWriteObjects",
+      "Effect": "Allow",
+      "Action": [
+        "s3:GetObject",
+        "s3:PutObject",
+        "s3:DeleteObject"
+      ],
+      "Resource": "arn:aws:s3:::BUCKET_NAME/*"
+    },
+    {
+      "Sid": "CloudFrontInvalidateOptional",
+      "Effect": "Allow",
+      "Action": ["cloudfront:CreateInvalidation"],
+      "Resource": "*"
+    }
+  ]
+}
+```
+
+If you do not use CloudFront invalidations, remove the final statement.
+
+## 3) Deployment behavior
+
+Workflow file: `.github/workflows/deploy.yml`
+
+On push to `main`:
+1. Assume AWS role via OIDC
+2. Sync all files from `frontend/` to S3 (deletes removed files)
+3. Set long cache headers for static assets
+4. Upload `index.html` with no-cache headers
+5. Optionally invalidate CloudFront
+
+## 4) Manual deploy
+
+You can run manually from the GitHub Actions tab via **workflow_dispatch**.