Open on latest commit in live mode; cleaner chart

app.py

@@ -244,8 +244,8 @@ def timeline_plot(safe: str, k: int) -> Figure:
     fig = Figure(figsize=(9, 2.4), dpi=110)
     ax = fig.add_subplot(111)
     if d["live_only"]:
-        ax.bar(x, [len(g) for g in d["qnas"]], color="#c5cbf5", width=0.9, label="Test assertions added")
-        ax.set_ylabel("Assertions\nadded")
+        ax.bar(x, [len(g) for g in d["qnas"]], color="#c5cbf5", width=0.9)
+        ax.set_ylabel("Test assertions\nadded")
     else:
         ax.plot(x, rolling("base_em"), color="#9aa3b5", lw=1.6, label="Base model")
         ax.plot(x, rolling("c2l_em"), color="#4f5bd5", lw=2.2, label="Code2LoRA (adapter at each commit)")
@@ -253,12 +253,12 @@ def timeline_plot(safe: str, k: int) -> Figure:
             ax.axvline(t + 1, color="#22c3a6", alpha=0.18, lw=1)
         ax.set_ylim(0, 100)
         ax.set_ylabel("Exact match %\n(rolling)")
+        ax.legend(loc="lower right", fontsize=8, frameon=False)
     ax.axvline(k + 1, color="#ff6b8b", lw=2)
     ax.set_xlim(0.5, max(2, len(cs)) + 0.5)
     ax.set_xlabel("Commit")
     for s in ("top", "right"):
         ax.spines[s].set_visible(False)
-    ax.legend(loc="upper left" if d["live_only"] else "lower right", fontsize=8, frameon=False)
     fig.tight_layout()
     return fig
 
@@ -318,7 +318,9 @@ def assertion_panel(safe: str, k: int, i: Optional[int], adapted_k: Optional[int
 
 def default_commit(safe: str) -> int:
     d = load_repo(safe)
-    return d["jump_targets"][0] if d["jump_targets"] else len(d["commits"]) - 1
+    if not d["jump_targets"]:
+        return len(d["commits"]) - 1
+    return d["jump_targets"][-1] if d["live_only"] else d["jump_targets"][0]
 
 
 def on_repo(safe: str):