Merge remote-tracking branch 'origin/main' into worktree-iso-phase-4

# Conflicts:
#	sx/sx/essays.sx
#	sx/sx/nav-data.sx
#	sx/sxc/pages/docs.sx

sx/sx/nav-data.sx

@@ -80,6 +80,8 @@
         :summary "How SX enforces the boundary between host and embedded language, and what it looks like across targets.")
   (dict :label "Separation of Concerns" :href "/essays/separation-of-concerns"
         :summary "The web's HTML/CSS/JS split separates the framework's concerns, not your application's. Real separation is domain-specific.")
+  (dict :label "SX and AI" :href "/essays/sx-and-ai"
+        :summary "Why s-expressions are the most AI-friendly representation for web interfaces.")
   (dict :label "sx sucks" :href "/essays/sx-sucks"
         :summary "An honest accounting of everything wrong with SX and why you probably shouldn't use it.")))
 
@@ -114,6 +116,8 @@
   (dict :label "Async IO" :href "/isomorphism/async-io")))
 
 (define plans-nav-items (list
+  (dict :label "Status" :href "/plans/status"
+        :summary "Audit of all plans — what's done, what's in progress, and what remains.")
   (dict :label "Reader Macros" :href "/plans/reader-macros"
         :summary "Extensible parse-time transformations via # dispatch — datum comments, raw strings, and quote shorthand.")
   (dict :label "SX-Activity" :href "/plans/sx-activity"
@@ -121,7 +125,13 @@
   (dict :label "Predictive Prefetching" :href "/plans/predictive-prefetch"
         :summary "Prefetch missing component definitions before the user clicks — hover a link, fetch its deps, navigate client-side.")
   (dict :label "Content-Addressed Components" :href "/plans/content-addressed-components"
-        :summary "Components identified by CID, stored on IPFS, fetched from anywhere. Canonical serialization, content verification, federated sharing.")))
+        :summary "Components identified by CID, stored on IPFS, fetched from anywhere. Canonical serialization, content verification, federated sharing.")
+  (dict :label "Fragment Protocol" :href "/plans/fragment-protocol"
+        :summary "Structured sexp request/response for cross-service component transfer.")
+  (dict :label "Glue Decoupling" :href "/plans/glue-decoupling"
+        :summary "Eliminate all cross-app model imports via glue service layer.")
+  (dict :label "Social Sharing" :href "/plans/social-sharing"
+        :summary "OAuth-based sharing to Facebook, Instagram, Threads, Twitter/X, LinkedIn, and Mastodon.")))
 
 (define bootstrappers-nav-items (list
   (dict :label "Overview" :href "/bootstrappers/")