diff --git a/.gitea/workflows/deploy.yml b/.gitea/workflows/deploy.yml
index fe07ad0..1ea6580 100644
--- a/.gitea/workflows/deploy.yml
+++ b/.gitea/workflows/deploy.yml
@@ -31,6 +31,14 @@ jobs:
       - name: Build site
         run: npm run build
 
+      - name: Guard — no TBD markers may ship in built HTML
+        run: |
+          if grep -rl 'TBD:' dist 2>/dev/null | grep -E '\.(html|svg)$'; then
+            echo "Built output contains unfilled <TBD:...> markers."
+            echo "Fill in imprint.astro and privacy.astro operator fields before merging to main."
+            exit 1
+          fi
+
       - name: Validate HTML
         run: npm run lint:html
 
@@ -80,6 +88,11 @@ jobs:
           SFTP_HOST: ${{ secrets.SFTP_HOST }}
           SFTP_PATH: ${{ secrets.SFTP_PATH }}
         run: |
+          # Fail loudly if any secret is missing — otherwise rsync --delete
+          # could be directed at the SSH user's home root.
+          : "${SFTP_USER:?SFTP_USER secret must be set}"
+          : "${SFTP_HOST:?SFTP_HOST secret must be set}"
+          : "${SFTP_PATH:?SFTP_PATH secret must be set}"
           rsync -avz --delete \
             -e "ssh -i ~/.ssh/id_ed25519 -o StrictHostKeyChecking=yes -o UserKnownHostsFile=~/.ssh/known_hosts" \
             dist/ "$SFTP_USER@$SFTP_HOST:$SFTP_PATH/"
diff --git a/lighthouserc.cjs b/lighthouserc.cjs
index 23983bf..a9606c0 100644
--- a/lighthouserc.cjs
+++ b/lighthouserc.cjs
@@ -8,7 +8,7 @@ module.exports = {
         'http://localhost/imprint/index.html',
         'http://localhost/privacy/index.html',
       ],
-      numberOfRuns: 1,
+      numberOfRuns: 3,
       settings: {
         preset: 'desktop',
       },
diff --git a/public/robots.txt b/public/robots.txt
index 137a33f..c2a49f4 100644
--- a/public/robots.txt
+++ b/public/robots.txt
@@ -1,4 +1,2 @@
 User-agent: *
 Allow: /
-
-Sitemap: https://www.cameleer.io/sitemap-index.xml
diff --git a/src/components/sections/DualValueProps.astro b/src/components/sections/DualValueProps.astro
index c92ceeb..6c8a86b 100644
--- a/src/components/sections/DualValueProps.astro
+++ b/src/components/sections/DualValueProps.astro
@@ -4,6 +4,8 @@ interface Tile {
   capability: string;
 }
 
+// tile.capability is a compile-time constant defined below — never feed
+// user-supplied or CMS content into set:html further down (XSS risk).
 const tiles: Tile[] = [
   {
     outcome: 'Cut debugging time in half.',
diff --git a/src/middleware.ts b/src/middleware.ts
index ab8f1c3..daad692 100644
--- a/src/middleware.ts
+++ b/src/middleware.ts
@@ -26,13 +26,13 @@ export function buildSecurityHeaders(): Record<string, string> {
     "object-src 'none'",
   ].join('; ');
 
+  // Must match .htaccess and the Cloudflare Transform Rule in OPERATOR-CHECKLIST.md.
   const permissionsPolicy = [
     'geolocation=()',
     'microphone=()',
     'camera=()',
     'payment=()',
     'usb=()',
-    'fullscreen=(self)',
   ].join(', ');
 
   return {