diff --git a/agentinit/_project_detect.py b/agentinit/_project_detect.py
index 6ad9492..148236f 100644
--- a/agentinit/_project_detect.py
+++ b/agentinit/_project_detect.py
@@ -361,7 +361,9 @@ def _run_detect(dest, project_path, content):
                 for line in f:
                     line = line.strip()
                     if line.startswith("go "):
-                        go_version = line.split(" ")[1]
+                        parts = line.split()
+                        if len(parts) >= 2:
+                            go_version = parts[1]
                         break
 
             stack_updates["- **Language(s):** (not configured)"] = (
diff --git a/agentinit/_sync.py b/agentinit/_sync.py
index 48423d9..20723d5 100644
--- a/agentinit/_sync.py
+++ b/agentinit/_sync.py
@@ -142,7 +142,8 @@ def _sync_single_router(
     expected, read_error = _read_text(template_path, "template")
     if read_error:
         return "error", read_error
-    assert expected is not None
+    if expected is None:
+        return "error", "template read failed"
 
     current = None
     if os.path.isfile(dst):