Builder trace stress: gttitle checks the plotted series; the panel opens on Total Energy

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01BTQ7mniRtDdhU7VF9tEVBD

Author: andy

src/apps/builder/BuilderTraceStress.C

@@ -217,6 +217,18 @@ bool Builder::traceStressCommand(SceneScript& s, const vector<string>& w)
     return true;
   }
 
+  //  "gttitle <text>": the plot's title contains <text> (the series shown).
+  if (c == "gttitle" && w.size() >= 2) {
+    ewxPlotCtrl *plot = plotOf(gt);
+    string want = w[1];
+    for (size_t i = 2; i < w.size(); i++) want += " " + w[i];
+    if (!plot) return s.fail("gttitle: no plot");
+    string title = string(plot->GetPlotTitle().ToUTF8());
+    if (title.find(want) == string::npos)
+      return s.fail("gttitle: plot shows '" + title + "', want '" + want + "'");
+    return true;
+  }
+
   //  "gtpick <step|mid|last>": click the plot where that step's point is
   //  drawn (zero-based; mid and last of the plotted points), as a user does; the molecule on screen must then be the
   //  one the trace holds for that step.

tests/apps/geomtrace_stress.py

@@ -124,7 +124,7 @@ def script(calcs):
     """The scene script: calcs is [(url, steps)], the first one opened."""
     (a, na), (b, nb), (c, nc) = calcs
     return "\n".join([
-        "gtfocus", "gtsweep", "gtexpect %d" % na,
+        "gtfocus", "gttitle Total Energy", "gtsweep", "gtexpect %d" % na,
         #  clicking a point of the plot shows that step's geometry
         "gtpick 0", "gtpick mid", "gtpick last",
         "gtplay 300 1", "gtsweep", "gtstop",