fix: correct FilterOptions import in effect chain

Fixed TypeScript build error by importing FilterOptions instead of
non-existent FilterParameters from filters module.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

lib/audio/effects/chain.ts

@@ -21,7 +21,7 @@ import type {
   FlangerParameters,
   PhaserParameters,
 } from './time-based';
-import type { FilterParameters } from './filters';
+import type { FilterOptions } from './filters';
 
 // Effect type identifier
 export type EffectType =
@@ -56,7 +56,7 @@ export type EffectType =
 
 // Union of all effect parameter types
 export type EffectParameters =
-  | FilterParameters
+  | FilterOptions
   | CompressorParameters
   | LimiterParameters
   | GateParameters