logging: fix inverted levelToMinLevel mapping vs tslog v4 level IDs

src/logging/levels.ts

@@ -16,14 +16,15 @@ export function normalizeLogLevel(level?: string, fallback: LogLevel = "info") {
 }
 
 export function levelToMinLevel(level: LogLevel): number {
-  // tslog level ordering: fatal=0, error=1, warn=2, info=3, debug=4, trace=5
+  // Matches tslog v4 level IDs: higher number = more severe.
+  // tslog logs messages with logLevelId >= minLevel.
   const map: Record<LogLevel, number> = {
-    fatal: 0,
-    error: 1,
-    warn: 2,
+    trace: 1,
+    debug: 2,
     info: 3,
-    debug: 4,
-    trace: 5,
+    warn: 4,
+    error: 5,
+    fatal: 6,
     silent: Number.POSITIVE_INFINITY,
   };
   return map[level];

src/logging/logger.ts

@@ -96,7 +96,7 @@ export function isFileLogLevelEnabled(level: LogLevel): boolean {
   if (settings.level === "silent") {
     return false;
   }
-  return levelToMinLevel(level) <= levelToMinLevel(settings.level);
+  return levelToMinLevel(level) >= levelToMinLevel(settings.level);
 }
 
 function buildLogger(settings: ResolvedSettings): TsLogger<LogObj> {

src/logging/subsystem.ts

@@ -30,7 +30,7 @@ function shouldLogToConsole(level: LogLevel, settings: { level: LogLevel }): boo
   }
   const current = levelToMinLevel(level);
   const min = levelToMinLevel(settings.level);
-  return current <= min;
+  return current >= min;
 }
 
 type ChalkInstance = InstanceType<typeof Chalk>;