feat: logging to include categories for better log management

lib/sieve/generator.ts

@@ -147,7 +147,7 @@ export function generateScript(rules: FilterRule[], vacation?: VacationSieveConf
 
   for (const rule of enabledRules) {
     if (rule.conditions.length === 0 || rule.actions.length === 0) {
-      debug.warn(`Skipping rule "${rule.name}": empty conditions or actions`);
+      debug.warn('filters', `Skipping rule "${rule.name}": empty conditions or actions`);
       continue;
     }
 

lib/sieve/parser.ts

@@ -109,7 +109,7 @@ export function parseScript(content: string): ParseResult {
   try {
     metadata = JSON.parse(jsonStr);
   } catch (e) {
-    debug.warn('Failed to parse Sieve metadata JSON:', e);
+    debug.warn('filters', 'Failed to parse Sieve metadata JSON:', e);
     return OPAQUE;
   }