Make the opponent level matter in the cup

src/config.js

@@ -556,6 +556,10 @@ export const TUNE = {
                         // ball pace on BOTH rackets and the opponent's legs together, so league 1
                         // IS the shipped game (factor 1.0, the calibration rule) and league 5
                         // plays ~24% faster. The one knob for "das Spiel wird schneller".
+  peerGap: 15,          // THE CUP'S SOFT WALL: this many levels below its opponent earns none of
+                        // the peer gift; reaching parity earns all of it. Never a penalty.
+  peerRun: 0.08,        // parity adds 8% legs on top of the permanent level bonus
+  peerWindow: 0.12,     // ...and 12% contact window. Skill still wins; grinding opens the margin
   matchSpeedBase: 1.25, // racketAI speed multiplier for opponent ONE. 1.4 was calibrated against
                         // the broken recovery (the player never walked back to centre, so every
                         // wide return looked like opponent strength) — with real footwork restored
@@ -933,9 +937,10 @@ export const leagueOf = lg => LEAGUES[Math.min(LEAGUES.length, Math.max(1, lg |
 // which league a LADDER POSITION belongs to — THE CLIMB's tempo reads this (the world speeds up
 // as the run crosses each band border), and it is what makes the club read as five territories
 export const leagueOfRung = n => LEAGUES.find(l => n <= l.band[1]) || LEAGUES[LEAGUES.length - 1];
-// the DISPLAYED level of a ladder position (the walk-on card's "am I its peer yet?" line,
-// 2026-08-29): the ladder spread over the profile's 50 levels. Display only — nothing scales
-// off it. 49 = profile.LEVEL_CAP - 1 (config cannot import profile; the cycle runs the other way).
+// the level of a ladder position (the walk-on card's "am I its peer yet?" line, 2026-08-29):
+// the ladder spread over the profile's 50 levels. gameplay.peerK reads it for the cup/training
+// readiness gift; the opponent itself never scales with the player's level. 49 =
+// profile.LEVEL_CAP - 1 (config cannot import profile; the cycle runs the other way).
 export const foeLevel = n => Math.round(1 + (n - 1) / (LADDER - 1) * 49);
 
 // The tournament, PER LEAGUE. Same shape CUP_ROUNDS always had (name/band/need) — round one is a