fix: allow Google Fonts in CSP so 3D announcement font loads in production

fontSrc blocked fonts.gstatic.com and styleSrc blocked fonts.googleapis.com,
causing Honk font to fail in production. The chromatic aberration pseudo-elements
then appeared as doubled plain text instead of a styled 3D effect.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

frontend/src/game/fight/config.ts

@@ -80,9 +80,43 @@ export const PHYSICAL_CONTACT_BASE = 0.35           // Base chance for brawl/cli
 export const PHYSICAL_CONTACT_INTENSITY_SCALE = 0.2 // Added per unit of intensity
 export const PHYSICAL_CONTACT_EXCHANGE_BONUS = 0.15 // Added after first exchange
 export const CROWD_REACTION_CHANCE = 0.4            // Crowd reacts to round results
-export const MAYBE_SHOW_HUMAN_CHANCE = 0.2          // Show human coach
 export const CREATOR_VOICE_LINE_CHANCE = 0.6        // Creator gets a voice line
 
 // --- Hyperdetail (grotesque close-up) ---
 export const HYPERDETAIL_BASE_CHANCE = 0.05         // Base hyperdetail chance
 export const HYPERDETAIL_INTENSITY_SCALE = 0.45     // Scales with intensity
+
+// --- Scene layout ---
+export const GROUND_Y_RATIO = 0.78                  // Ground line as fraction of canvas height
+export const HOME_A_RATIO = 0.28                    // Fighter A home X position ratio
+export const HOME_B_RATIO = 0.72                    // Fighter B home X position ratio
+export const REFERENCE_HEIGHT = 500                 // Reference canvas height for scale factor
+export const SPRITE_LOAD_TIMEOUT_MS = 5_000         // Max wait for sprite loading (mobile hang prevention)
+
+// --- Fighter scaling ---
+export const FIGHTER_BASE_SCALE = 1.8               // Base fighter sprite scale
+export const FIGHTER_TIER_SCALE = 0.4               // Additional scale per tier level
+export const JUDGE_SCALE = 1.3                      // Judge sprite scale
+export const HUMAN_COACH_SCALE = 1.2                // Human coach sprite scale
+export const HUMAN_RUN_SCALE = 1.3                  // Human run-across sprite scale
+
+// --- Scene visual constants ---
+export const AMBIENT_PARTICLE_COUNT = 18            // Floating dust/embers in air
+export const SKY_GRADIENT_BANDS = 6                 // Number of sky gradient bands
+export const GROUND_DEPTH_LINES = 12                // Ground gradient fade lines
+export const PERSPECTIVE_GRID_LINES = 24            // Floor grid convergence lines
+export const PILLAR_WIDTH = 8                       // Side pillar frame width
+export const SPEECH_BUBBLE_MAX_CHARS = 80           // Max chars in speech bubble
+export const SPEECH_BUBBLE_WRAP = 18                // Chars per line in speech bubble
+export const SPEECH_BUBBLE_MAX_LINES = 5            // Max lines in speech bubble
+export const SPEECH_BUBBLE_FONT_SIZE = 12           // Speech bubble font size
+export const SPEECH_BUBBLE_DEFAULT_DURATION = 3     // Default speech bubble duration (seconds)
+
+// --- Human appearance ---
+export const HUMAN_SHOW_CHANCE = 0.15               // Chance per round for human appearance
+export const HUMAN_COACH_CHANCE = 0.4               // Of appearances: coach (most common)
+export const HUMAN_RUN_CHANCE = 0.7                 // Of appearances: run across (cumulative cutoff)
+
+// --- Haptic scaling ---
+export const HAPTIC_MIN_SHAKE = 3                   // Min shake intensity to trigger haptic
+export const HAPTIC_SCALE = 8                       // Haptic ms = intensity * scale (capped 100)