diff --git a/packages/software-factory/src/factory-issue-loop-wiring.ts b/packages/software-factory/src/factory-issue-loop-wiring.ts
index 37ca25db0c1..a34bb22ae49 100644
--- a/packages/software-factory/src/factory-issue-loop-wiring.ts
+++ b/packages/software-factory/src/factory-issue-loop-wiring.ts
@@ -414,16 +414,35 @@ export async function syncWorkspaceToRealm(
     let result = await withStdoutRedirected(() =>
       client.sync(targetRealm, workspaceDir, { preferLocal: true }),
     );
-    if (result.error) {
-      log.warn(`Workspace sync error: ${result.error}`);
-      return { ok: false, error: result.error };
-    }
-    if (result.hasError) {
-      log.warn('Workspace sync completed with errors — see prior log lines');
+    if (result.error || result.hasError) {
+      // Emit a structured, attributed failure trace so a sync error leaves a
+      // usable record on its own — instead of "see prior log lines", which
+      // means scraping the CLI's interleaved progress output after the fact.
+      let counts =
+        `pushed=${result.pushed.length}, pulled=${result.pulled.length}, ` +
+        `remoteDeleted=${result.remoteDeleted.length}, ` +
+        `localDeleted=${result.localDeleted.length}, ` +
+        `skippedConflicts=${result.skippedConflicts.length}`;
+      log.warn(`Workspace sync FAILED — ${counts}`);
+      if (result.error) {
+        // The realm-server's JSON:API error payload (e.g. the 500 "Write
+        // Error" body), not just the HTTP status line.
+        log.warn(`  realm-server response: ${result.error}`);
+      }
+      if (result.skippedConflicts.length > 0) {
+        log.warn(
+          `  skipped (conflicting) paths: ${result.skippedConflicts.join(', ')}`,
+        );
+      }
+      // Note: the attempted-batch manifest isn't in SyncResult — on a fatal
+      // atomic upload nothing lands in `pushed`. The attempted paths appear in
+      // the CLI progress lines (routed to stderr above); surfacing them in the
+      // result itself is a boxel-cli follow-up.
       return {
         ok: false,
         error:
-          'Workspace sync completed with per-file errors — see prior log lines for the failing paths and the realm-server response.',
+          result.error ??
+          `Workspace sync completed with per-file errors (${counts}).`,
       };
     }
     return { ok: true };