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nullkey
4e3b512af6
IM channels (DingTalk/Feishu) showed broken images because resource://
image references resolve to WeKnora capability links that were neither
reachable nor renderable:
- nginx never proxied /r/, so <APP_EXTERNAL_URL>/r/<token> links fell into
the SPA fallback and returned a blank page. Add a /r/ proxy block
mirroring /files, using the ${APP_SCHEME}/${APP_HOST}/${APP_PORT} vars.
- rewriteStorageURLs treated any "dst != src" as success and emitted
non-HTTP results (e.g. an internal storage:// path when APP_EXTERNAL_URL
is unset) that IM clients cannot fetch. Only substitute http(s) URLs;
otherwise leave the reference unchanged and log an actionable WARN.
- Warn once at startup when IM channels are active but APP_EXTERNAL_URL is
unset — the config state that silently breaks resource:// images on the
default MinIO/local deployment.
- Document that IM knowledge-base images need an IM-reachable http URL via
one of two paths: a publicly reachable storage backend, or APP_EXTERNAL_URL
routing resource:// through nginx /r/.