contrib: add --title arg to plot-fees

contrib/README.md

@@ -81,7 +81,8 @@ how many days of earnings history are considered when ranking channels.
   output. `--peer` accepts a nodeid, alias (via lightning-cli/listnodes), or
   SCID (via lightning-cli/listpeerchannels). The combo view includes a daily
   earnings panel (incoming/outgoing msat per day) when lightning-cli is
-  available.
+  available. Use `--title` to override the plot title (defaults to the peer
+  label; pass empty to omit).
 - **`plot-aggregate`** plots aggregate percentile summaries from the
   `fee-log-parser` sqlite output. Views include
   `baseline-base`, `baseline-ppm`, `size`, `balance`, `theory`,

contrib/plot-fees

@@ -335,6 +335,13 @@ def add_common_args(parser):
         action="store_true",
         help="Show the plot interactively.",
     )
+    parser.add_argument(
+        "--title",
+        nargs="?",
+        const="",
+        default=None,
+        help="Plot title (defaults to peer label; pass empty to omit).",
+    )
     parser.add_argument(
         "--since",
         dest="from_ts",
@@ -593,7 +600,7 @@ def plot_single_view(
     fig, primary_ax, plot_axes = axes_factory(plt)
     plotter(*plot_axes, rows, args.peer_label)
     primary_ax.set_xlabel("time")
-    primary_ax.set_title(args.peer_label)
+    primary_ax.set_title(args.title)
 
     if use_plt_tight_layout:
         plt.tight_layout()
@@ -1084,7 +1091,7 @@ def plot_combo(args):
     if all_times:
         ax_baseline.set_xlim(min(all_times), max(all_times))
 
-    fig.suptitle(args.peer_label)
+    fig.suptitle(args.title)
     fig.tight_layout(rect=[0, 0, 1, 0.96])
     fig.subplots_adjust(hspace=0.15)
 
@@ -1127,6 +1134,7 @@ def main():
     args.from_ts = parse_time_arg(args.from_ts)
     args.to_ts = parse_time_arg(args.to_ts)
     args.peer, args.peer_label = resolve_peer(args)
+    args.title = args.peer_label if args.title is None else args.title
 
     if not args.png and not args.show and not args.csv:
         raise SystemExit("use --png to save, --show to display, or --csv to export")