milestone 33: contract closure — samples, file-authority enumeration, dead code, bundle ceiling

src/web/handlers/stats.zig

@@ -385,7 +385,7 @@ pub const PeriodError = error{BadPeriod};
 
 /// An absent `period` is the default; anything else it cannot read is a 400,
 /// never a silent fallback — a typo must not return a window nobody asked for.
-pub fn periodParam(query: []const u8) PeriodError!Period {
+fn periodParam(query: []const u8) PeriodError!Period {
     var buf: [8]u8 = undefined;
     const found = http_util.queryValue(query, "period", &buf) catch return error.BadPeriod;
     const text = found orelse return default_period;