layout gained three optional fields: ogType, ogImage, headExtra. The
listing detail page uses all three — ogType=article, ogImage=the icon
URL (fallback to the Prometheus favicon), and headExtra for schema.org
SoftwareApplication JSON-LD. Google renders this as a rich card for
app results; the SEO uplift is real and the data is straightforward.
JSON-LD payload composed in service/seo.js:
@type SoftwareApplication, name, description, softwareVersion,
applicationCategory (mapped from Prometheus's slug to schema's name),
url, downloadUrl, fileSize, offers (free), author (BNS name as org),
image (icon when present), contentRating ("ClamAV clean" on a clean
scan).
OG defaults for every page: og:type (website unless overridden),
og:image (favicon unless overridden). The canonical URL stays
prometheus.x on both the live service and the apps.silentmode.st
mirror — crawlers that land on the mirror attribute the content to
the real address, matching the pattern [[silentmode-site-url-scheme]]
describes.
deploy/apps-silentmode-st.conf is the angie vhost for the mirror:
reverse-proxies to 127.0.0.1:3700, declines /admin (operator always
goes direct), 2 GiB client_max_body_size for POST /api/upload,
proxy_request_buffering off so a slow upload does not spool to disk.
Reuses the main silentmode.st certificate (SAN *.silentmode.st; if
that's not set up yet, request one and reload before enabling).
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