avoid output when processing 404

src/net/http.zig

@@ -395,7 +395,22 @@ pub const Client = struct {
                 // sees the mapped HttpError variant
                 // (`Unauthorized`, `RateLimited`, ...) and has no
                 // path back to the upstream's reason.
-                log.warn("http rejection body status={d} body={s}", .{ @intFromEnum(response.status), response.body });
+                //
+                // 404s are noisy in normal operation: callers
+                // routinely encounter "no data" 404s for symbols
+                // EDGAR doesn't track, money-market funds with no
+                // NPORT-P, ETFs with no shares-outstanding XBRL,
+                // etc. The body of a 404 is usually a generic
+                // "NoSuchKey" / "Not Found" XML/HTML page that
+                // tells the operator nothing actionable. Demote
+                // those to debug so the warn-level log stream
+                // stays focused on cases the operator can act on
+                // (auth, rate, server outages).
+                if (response.status == .not_found) {
+                    log.debug("http rejection body status=404 body={s}", .{response.body});
+                } else {
+                    log.warn("http rejection body status={d} body={s}", .{ @intFromEnum(response.status), response.body });
+                }
                 response.allocator.free(response.body);
                 if (response.etag) |e| response.allocator.free(e);
                 return switch (response.status) {