Enforce maximum values for PF2e numbered conditions

Cap dying (4), doomed (3), wounded (3), and slowed (3) at their
rule-defined maximums. The domain clamps values in setConditionValue
and the condition picker disables the [+] button at the cap.

Closes #31

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

apps/web/src/components/condition-picker.tsx

@@ -162,20 +162,35 @@ export function ConditionPicker({
 									<span className="min-w-5 rounded-full bg-accent px-1.5 py-0.5 text-center font-medium text-primary-foreground text-xs">
 										{editing.value}
 									</span>
-									<button
-										type="button"
-										className="rounded p-0.5 text-foreground hover:bg-accent/40"
-										onMouseDown={(e) => e.preventDefault()}
-										onClick={(e) => {
-											e.stopPropagation();
-											setEditing({
-												...editing,
-												value: editing.value + 1,
-											});
-										}}
-									>
-										<Plus className="h-3 w-3" />
-									</button>
+									{(() => {
+										const atMax =
+											def.maxValue !== undefined &&
+											editing.value >= def.maxValue;
+										return (
+											<button
+												type="button"
+												className={cn(
+													"rounded p-0.5",
+													atMax
+														? "cursor-not-allowed text-muted-foreground opacity-50"
+														: "text-foreground hover:bg-accent/40",
+												)}
+												disabled={atMax}
+												onMouseDown={(e) => e.preventDefault()}
+												onClick={(e) => {
+													e.stopPropagation();
+													if (!atMax) {
+														setEditing({
+															...editing,
+															value: editing.value + 1,
+														});
+													}
+												}}
+											>
+												<Plus className="h-3 w-3" />
+											</button>
+										);
+									})()}
 									<button
 										type="button"
 										className="ml-0.5 rounded p-0.5 text-foreground hover:bg-accent/40"