docs: link macos container prd to review comment

docs/prds/prd-new-macos-container-backend.md

@@ -25,11 +25,11 @@ bot-bottle currently has two local execution paths:
   Docker for the sidecar bundle and image-building pipeline.
 
 Issue #220 explored removing Docker as a host dependency. A follow-up
-comment verified that smolvm can publish guest ports back to host
-loopback and that another smolvm guest can reach that service through
-the existing per-bottle loopback alias plus `--allow-cidr` path. That
-keeps the VM-contained sidecar direction viable and rejects the
-host-process sidecar fallback.
+review comment verified that smolvm can publish guest ports back to
+host loopback and that another smolvm guest can reach that service
+through the existing per-bottle loopback alias plus `--allow-cidr`
+path. That keeps the VM-contained sidecar direction viable and rejects
+the host-process sidecar fallback.
 
 Apple's `container` CLI is another macOS-native way to run OCI images
 as lightweight Linux VMs. Its current command surface includes
@@ -152,8 +152,9 @@ must prove one of these shapes:
 
 ## References
 
-- Issue #220 comment: smolvm `--port/-p` can expose a guest service to
-  host loopback, and another smolvm guest can reach it through the
-  existing per-bottle loopback alias path.
+- [Issue #220 review comment](https://gitea.dideric.is/didericis/bot-bottle/issues/220#issuecomment-1980):
+  smolvm `--port/-p` can expose a guest service to host loopback, and
+  another smolvm guest can reach it through the existing per-bottle
+  loopback alias path.
 - Apple Container command reference: `container run`, `build`, `exec`,
   port publishing, and network commands.