chore: use constant as max size for regex

Author: Guillermo Alejandro Gallardo Diez

crates/ironclaw_engine/src/runtime/mission.rs

@@ -40,7 +40,7 @@ type EventRegexCache = HashMap<MissionId, regex::Regex>;
 /// Maximum compiled regex size, mirroring the v1 routine engine. Patterns
 /// that exceed this are refused at compile time so a hostile or buggy
 /// mission cannot pin the matcher with a pathological regex.
-const MAX_EVENT_REGEX_SIZE: usize = 64 * 1024;
+pub const MAX_EVENT_REGEX_SIZE: usize = 64 * 1024;
 
 /// Per-user fire-rate ceiling expressed as a token bucket. Independent of
 /// per-mission `cooldown_secs`, this is a *global* cap across all of a

src/bridge/effect_adapter.rs

@@ -1166,7 +1166,7 @@ fn parse_cadence(
         };
         // Validate with the same size limit the engine uses at runtime.
         if let Err(e) = regex::RegexBuilder::new(pattern)
-            .size_limit(64 * 1024)
+            .size_limit(ironclaw_engine::runtime::mission::MAX_EVENT_REGEX_SIZE)
             .build()
         {
             return Err(format!(