autodetect watchlist in cwd

src/main.zig

@@ -189,6 +189,12 @@ pub fn main() !u8 {
                 file_path = args[pi];
             }
         }
+        // Auto-detect watchlist.srf in cwd if not explicitly provided (same as TUI)
+        if (watchlist_path == null) {
+            if (std.fs.cwd().access("watchlist.srf", .{})) |_| {
+                watchlist_path = "watchlist.srf";
+            } else |_| {}
+        }
         try commands.portfolio.run(allocator, &svc, file_path, watchlist_path, force_refresh, color, out);
     } else if (std.mem.eql(u8, command, "lookup")) {
         if (args.len < 3) {