From 25ba52871381cfc33ff95a6d470b863a888e5e0e Mon Sep 17 00:00:00 2001
From: adamXbot <111877622+adamXbot@users.noreply.github.com>
Date: Fri, 6 Nov 2026 21:59:10 +1100
Subject: [PATCH] Static uptime probe at /offgrid

offgrid answers "runner", typed text/plain, uncached and noindex by
_headers, so Blackbox can match a fixed body instead of the homepage.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
---
 _headers     | 9 +++++++++
 offgrid      | 1 +
 package.json | 2 +-
 3 files changed, 11 insertions(+), 1 deletion(-)
 create mode 100644 offgrid

diff --git a/_headers b/_headers
index daca6ea..49f0a03 100644
--- a/_headers
+++ b/_headers
@@ -2,3 +2,12 @@
 # RFC 9116 §3 requires security.txt to be served as text/plain with charset utf-8.
 /.well-known/security.txt
   Content-Type: text/plain; charset=utf-8
+
+# Uptime probe: Blackbox fetches /offgrid every minute and expects "runner".
+# A small fixed file, so the check does not change when pages are edited, and
+# an exact body match proves this site answered rather than a parked page or
+# an error page. Typed and uncached so every probe reaches the asset store.
+/offgrid
+  Content-Type: text/plain; charset=utf-8
+  Cache-Control: no-cache, max-age=0, must-revalidate
+  X-Robots-Tag: noindex
diff --git a/offgrid b/offgrid
new file mode 100644
index 0000000..c33ca06
--- /dev/null
+++ b/offgrid
@@ -0,0 +1 @@
+runner
diff --git a/package.json b/package.json
index 5f34ce3..76bf7f5 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
   "repository": "https://github.com/privacykey/docs-privacycommand",
   "scripts": {
     "dev": "npx --yes mint dev",
-    "build": "rm -rf dist export.zip && npx --yes mint@latest export && mkdir -p dist && (unzip -q -o export.zip -d dist || python3 -m zipfile -e export.zip dist) && cp .assetsignore dist/.assetsignore && cp _headers dist/_headers && mkdir -p dist/.well-known && cp -R .well-known/. dist/.well-known/ && node scripts/build-llms.mjs --dist dist",
+    "build": "rm -rf dist export.zip && npx --yes mint@latest export && mkdir -p dist && (unzip -q -o export.zip -d dist || python3 -m zipfile -e export.zip dist) && cp .assetsignore dist/.assetsignore && cp _headers dist/_headers && cp offgrid dist/offgrid && mkdir -p dist/.well-known && cp -R .well-known/. dist/.well-known/ && node scripts/build-llms.mjs --dist dist",
     "check": "node scripts/check-docs.mjs && node scripts/build-llms.mjs --check",
     "llms": "node scripts/build-llms.mjs",
     "linkcheck": "lychee --no-progress --accept-timeouts --accept '100..=103,200..=299,429' --root-dir \"$PWD\" --scheme https --scheme http --exclude-loopback --exclude 'localhost' --exclude 'dash\\.cloudflare\\.com' --exclude 'docs\\.([a-z0-9-]+\\.)?privacykey\\.org' --exclude-path images --exclude-path .github './**/*.mdx' './**/*.md'"