diff --git a/crates/rrt-runtime/src/smp.rs b/crates/rrt-runtime/src/smp.rs
index 2f8f923..bf18147 100644
--- a/crates/rrt-runtime/src/smp.rs
+++ b/crates/rrt-runtime/src/smp.rs
@@ -5069,7 +5069,7 @@ fn build_periodic_company_service_trace_report(
             ));
             branches.push(build_service_trace_branch_status(
                 "linked_transit_roster_maintenance",
-                "blocked_missing_infrastructure_asset_consumer_mapping",
+                "blocked_missing_site_cache_input_owner_mapping",
                 &[
                     "company linked-transit latch",
                     "company linked-transit route-anchor tuple",
@@ -5078,19 +5078,23 @@ fn build_periodic_company_service_trace_report(
                     "route-preference override seam",
                 ],
                 &[
-                    "placed-structure record-body semantics",
-                    "0x38a5 infrastructure-asset consumer mapping",
+                    "placed-structure site-cache input owners beneath 0x004093d0 / 0x00407bd0",
+                    "persisted site-side inputs behind 0x00408280 / 0x00408380",
                 ],
                 &[
                     "0x004019e0 periodic company outer owner",
                     "0x00409720 timed linked-transit cache-service wrapper",
                     "0x004093d0 linked-transit site-peer cache rebuild",
                     "0x00407bd0 linked-transit autoroute site-score cache rebuild",
+                    "0x00408280 linked-transit ranked-site chooser",
+                    "0x00408380 linked-transit staged autoroute-entry builder",
                     "0x00408f70 linked-transit aggregate site-score pressure helper",
+                    "0x00409770 linked-transit autoroute append/rotate owner",
+                    "0x00409830 linked-transit add-train/news owner",
                     "0x00409950 linked-transit train-roster balancer",
                 ],
                 &[
-                    "The save side now grounds the timed cache-owner seams and route-anchor tuple, but not yet the higher-layer consumer mapping that turns the rebuilt site caches into roster or route actions.",
+                    "The save side now grounds the timed cache-owner seams, ranked-site chooser, staged route builder, and train-side follow-ons; the remaining blocker is the placed-structure site-cache input ownership beneath those bounded consumers, not the train-side strip itself.",
                 ],
             ));
             branches.push(build_service_trace_branch_status(
@@ -5189,6 +5193,9 @@ fn build_periodic_company_service_trace_report(
     notes.push(
         "The linked-transit sibling owner is tighter now too: timed wrapper 0x00409720 compares world counter [world+0x15] against the save-owned company refresh counters [company+0x0d3e] and [company+0x0d3a], reruns the shorter peer-cache rebuild 0x004093d0 on the tighter 0x7ff80 cadence, reruns the heavier autoroute score-cache rebuild 0x00407bd0 on the broader 0x31380 cadence, and then feeds the raw site-score total 0x00408f70 into roster balancer 0x00409950. That means the remaining blocker for shellless linked-transit maintenance is no longer the timing seam; it is the higher-layer placed-structure / infrastructure consumer mapping above those grounded cache owners.".to_string(),
     );
+    notes.push(
+        "The chooser-and-train strip is tighter now too: 0x00408280 only picks among company-owned linked-transit sites whose cache cells are already live, ranking them off site-cache lane [site+0x16] with one extra boost from local cache words [site+0x5c1/+0x5c5], while 0x00408380 either reuses one explicit site id or falls back to 0x00408280 before building a staged 0x33-byte route entry. Above that, 0x00409770 services the caches through 0x00409720, asks 0x00408380 for one staged entry, and then either appends or rotates it in-place, while 0x00409830 repeats the same builder twice before publishing the add-train/news side. So the remaining blocker is not the train-side consumer strip; it is the placed-structure-side owner seam that makes those site-cache lanes and ready bits trustworthy for shellless runs.".to_string(),
+    );
     notes.push(
         "Direct disassembly now closes the negative persistence side too: the direct 0x36b1 per-record callbacks serialize the shared base scalar triplets rooted at [this+0x206/+0x20a/+0x20e] plus the subordinate payload callback strip, while the 0x4a9d/0x4a3a/0x4a3b side-buffer owner only persists route-entry lists, three byte arrays, five proximity buckets, and the sampled-cell list. That means neither checked-in save owner seam currently persists the core peer-site identity fields [site+0x04], [site+0x2a8], or [peer+0x08] directly.".to_string(),
     );
@@ -28828,6 +28835,10 @@ mod tests {
             .iter()
             .find(|branch| branch.branch_name == "linked_transit_roster_maintenance")
             .expect("linked-transit branch");
+        assert_eq!(
+            linked_transit_branch.status,
+            "blocked_missing_site_cache_input_owner_mapping"
+        );
         assert!(
             linked_transit_branch
                 .grounded_inputs
@@ -28852,12 +28863,48 @@ mod tests {
                 .iter()
                 .any(|line| line.contains("0x00408f70"))
         );
+        assert!(
+            linked_transit_branch
+                .candidate_consumers
+                .iter()
+                .any(|line| line.contains("0x00408280"))
+        );
+        assert!(
+            linked_transit_branch
+                .candidate_consumers
+                .iter()
+                .any(|line| line.contains("0x00408380"))
+        );
+        assert!(
+            linked_transit_branch
+                .candidate_consumers
+                .iter()
+                .any(|line| line.contains("0x00409770"))
+        );
+        assert!(
+            linked_transit_branch
+                .candidate_consumers
+                .iter()
+                .any(|line| line.contains("0x00409830"))
+        );
+        assert!(
+            linked_transit_branch
+                .blocking_inputs
+                .iter()
+                .any(|line| line.contains("0x00408280 / 0x00408380"))
+        );
         assert!(trace.notes.iter().any(|line| {
             line.contains("0x00409720")
                 && line.contains("[company+0x0d3e]")
                 && line.contains("[company+0x0d3a]")
                 && line.contains("0x00409950")
         }));
+        assert!(trace.notes.iter().any(|line| {
+            line.contains("0x00408280")
+                && line.contains("[site+0x16]")
+                && line.contains("0x00409770")
+                && line.contains("0x00409830")
+        }));
         assert!(
             trace
                 .near_city_acquisition_runtime_backed_input_families
diff --git a/docs/rehost-queue.md b/docs/rehost-queue.md
index f49f7fe..519c5bb 100644
--- a/docs/rehost-queue.md
+++ b/docs/rehost-queue.md
@@ -30,8 +30,9 @@ Working rule:
     the rebuilt site caches, and `0x00409770 / 0x00409830 / 0x00409950` are the append/add/balance
     strip above that
   - that makes the next linked-transit question narrower:
-    identify which placed-structure or infrastructure owner seam feeds the rebuilt site-cache
-    lanes consumed by `0x00408280 / 0x00408380`, so the bounded train-side strip can run shelllessly
+    identify which placed-structure site-cache input owner seam feeds the rebuilt lanes consumed by
+    `0x00408280 / 0x00408380`, because the bounded train-side strip
+    `0x00409770 / 0x00409830 / 0x00409950` is no longer the blocker
 - Make the next static/rehost slice the near-city industry acquisition owner seam under
   `0x004014b0`, not another generic infrastructure pass. The concrete questions are:
   - which minimum persisted peer-site fields on the already-grounded `0x006cec20` placed-structure