diff --git a/packages/producer/src/services/renderOrchestrator.ts b/packages/producer/src/services/renderOrchestrator.ts
index ff9869e3a4..5ec06074e2 100644
--- a/packages/producer/src/services/renderOrchestrator.ts
+++ b/packages/producer/src/services/renderOrchestrator.ts
@@ -3264,6 +3264,15 @@ async function executeRenderPipeline(input: {
       usePageSideCompositing: capturePlan.usePageSideCompositing,
       hasHdrContent: capturePlan.hasHdrContent,
       forceScreenshot: capturePlan.forceScreenshot,
+      // Re-recorded here because `syncCapturePlan` above is where routing is
+      // actually decided — including "reverted", which the earlier update
+      // could not know. Without this, capture observability keeps whatever
+      // was true before the plan resolved, so a render that failed while
+      // routed reports no routing state at all: `de_parallel_router` was
+      // present on 95% of render_complete events and 0.8% of render_error.
+      // The failure path is the one the rollout is watching.
+      deWorkerInversion,
+      deParallelRouter,
     });
     observability.checkpoint("capture_strategy", "resolved", {
       plan: capturePlan.kind,
diff --git a/packages/producer/src/utils/ffprobeArgvContract.test.ts b/packages/producer/src/utils/ffprobeArgvContract.test.ts
index 66d7a4e4e2..a4817f9168 100644
--- a/packages/producer/src/utils/ffprobeArgvContract.test.ts
+++ b/packages/producer/src/utils/ffprobeArgvContract.test.ts
@@ -173,8 +173,18 @@ function discoverCallers(): { found: string[]; unclassified: string[]; shell: st
     for (const entry of readdirSync(dir)) {
       if (SKIP_DIRS.has(entry) || entry.startsWith(".")) continue;
       const abs = join(dir, entry);
-      if (statSync(abs).isDirectory()) walk(abs);
-      else if (isSourceFile(entry)) classify(abs);
+      // Per-entry, because a single unreadable one used to abort the whole
+      // traversal: a dangling symlink under packages/studio/data/projects
+      // threw ENOENT on stat, so every package sorting after `studio` —
+      // including both studio-server callers — silently stopped being
+      // checked. Skipping the entry keeps the sweep complete; the manifest
+      // assertion is what caught the truncation.
+      try {
+        if (statSync(abs).isDirectory()) walk(abs);
+        else if (isSourceFile(entry)) classify(abs);
+      } catch {
+        /* unreadable entry (dangling symlink, permissions) — not a caller */
+      }
     }
   };
   for (const root of SWEEP_ROOTS) {