feat: add Phase 6.6 Effect Chain Management system

Effect Chain System:
- Create comprehensive effect chain types and state management
- Implement EffectRack component with drag-and-drop reordering
- Add enable/disable toggle for individual effects
- Build PresetManager for save/load/import/export functionality
- Create useEffectChain hook with localStorage persistence

UI Integration:
- Add Chain tab to SidePanel with effect rack
- Integrate preset manager dialog
- Add chain management controls (clear, presets)
- Update SidePanel with chain props and handlers

Features:
- Drag-and-drop effect reordering with visual feedback
- Effect bypass/enable toggle with power icons
- Save effect chains as presets with descriptions
- Import/export presets as JSON files
- localStorage persistence for chains and presets
- Visual status indicators for enabled/disabled effects
- Preset timestamp and effect count display

Components Created:
- /lib/audio/effects/chain.ts - Effect chain types and utilities
- /components/effects/EffectRack.tsx - Visual effect chain component
- /components/effects/PresetManager.tsx - Preset management dialog
- /lib/hooks/useEffectChain.ts - Effect chain state hook

Updated PLAN.md:
- Mark Phase 6.6 as complete
- Update current status to Phase 6.6 Complete
- Add effect chain features to working features list
- Update Next Steps to show Phase 6 complete

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

Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
2025-11-17 20:27:08 +01:00
parent bc4e75167f
commit 0986896756
7 changed files with 903 additions and 11 deletions

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lib/audio/effects/chain.ts Normal file
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/**
* Effect Chain System
* Manages chains of audio effects with bypass, reordering, and preset support
*/
import type {
PitchShifterParameters,
TimeStretchParameters,
DistortionParameters,
BitcrusherParameters,
} from './advanced';
import type {
CompressorParameters,
LimiterParameters,
GateParameters,
} from './dynamics';
import type {
DelayParameters,
ReverbParameters,
ChorusParameters,
FlangerParameters,
PhaserParameters,
} from './time-based';
import type { FilterParameters } from './filters';
// Effect type identifier
export type EffectType =
// Basic
| 'normalize'
| 'fadeIn'
| 'fadeOut'
| 'reverse'
// Filters
| 'lowpass'
| 'highpass'
| 'bandpass'
| 'notch'
| 'lowshelf'
| 'highshelf'
| 'peaking'
// Dynamics
| 'compressor'
| 'limiter'
| 'gate'
// Time-based
| 'delay'
| 'reverb'
| 'chorus'
| 'flanger'
| 'phaser'
// Advanced
| 'pitch'
| 'timestretch'
| 'distortion'
| 'bitcrusher';
// Union of all effect parameter types
export type EffectParameters =
| FilterParameters
| CompressorParameters
| LimiterParameters
| GateParameters
| DelayParameters
| ReverbParameters
| ChorusParameters
| FlangerParameters
| PhaserParameters
| PitchShifterParameters
| TimeStretchParameters
| DistortionParameters
| BitcrusherParameters
| Record<string, never>; // For effects without parameters
// Effect instance in a chain
export interface ChainEffect {
id: string;
type: EffectType;
name: string;
enabled: boolean;
parameters?: EffectParameters;
}
// Effect chain
export interface EffectChain {
id: string;
name: string;
effects: ChainEffect[];
}
// Effect preset
export interface EffectPreset {
id: string;
name: string;
description?: string;
chain: EffectChain;
createdAt: number;
}
/**
* Generate a unique ID for effects/chains
*/
export function generateId(): string {
return `${Date.now()}-${Math.random().toString(36).substr(2, 9)}`;
}
/**
* Create a new effect instance
*/
export function createEffect(
type: EffectType,
name: string,
parameters?: EffectParameters
): ChainEffect {
return {
id: generateId(),
type,
name,
enabled: true,
parameters,
};
}
/**
* Create a new effect chain
*/
export function createEffectChain(name: string = 'New Chain'): EffectChain {
return {
id: generateId(),
name,
effects: [],
};
}
/**
* Add effect to chain
*/
export function addEffectToChain(
chain: EffectChain,
effect: ChainEffect
): EffectChain {
return {
...chain,
effects: [...chain.effects, effect],
};
}
/**
* Remove effect from chain
*/
export function removeEffectFromChain(
chain: EffectChain,
effectId: string
): EffectChain {
return {
...chain,
effects: chain.effects.filter((e) => e.id !== effectId),
};
}
/**
* Toggle effect enabled state
*/
export function toggleEffect(
chain: EffectChain,
effectId: string
): EffectChain {
return {
...chain,
effects: chain.effects.map((e) =>
e.id === effectId ? { ...e, enabled: !e.enabled } : e
),
};
}
/**
* Update effect parameters
*/
export function updateEffectParameters(
chain: EffectChain,
effectId: string,
parameters: EffectParameters
): EffectChain {
return {
...chain,
effects: chain.effects.map((e) =>
e.id === effectId ? { ...e, parameters } : e
),
};
}
/**
* Reorder effects in chain
*/
export function reorderEffects(
chain: EffectChain,
fromIndex: number,
toIndex: number
): EffectChain {
const effects = [...chain.effects];
const [removed] = effects.splice(fromIndex, 1);
effects.splice(toIndex, 0, removed);
return {
...chain,
effects,
};
}
/**
* Create a preset from a chain
*/
export function createPreset(
chain: EffectChain,
name: string,
description?: string
): EffectPreset {
return {
id: generateId(),
name,
description,
chain: JSON.parse(JSON.stringify(chain)), // Deep clone
createdAt: Date.now(),
};
}
/**
* Load preset (returns a new chain)
*/
export function loadPreset(preset: EffectPreset): EffectChain {
return JSON.parse(JSON.stringify(preset.chain)); // Deep clone
}
/**
* Get effect display name
*/
export const EFFECT_NAMES: Record<EffectType, string> = {
normalize: 'Normalize',
fadeIn: 'Fade In',
fadeOut: 'Fade Out',
reverse: 'Reverse',
lowpass: 'Low-Pass Filter',
highpass: 'High-Pass Filter',
bandpass: 'Band-Pass Filter',
notch: 'Notch Filter',
lowshelf: 'Low Shelf',
highshelf: 'High Shelf',
peaking: 'Peaking EQ',
compressor: 'Compressor',
limiter: 'Limiter',
gate: 'Gate/Expander',
delay: 'Delay/Echo',
reverb: 'Reverb',
chorus: 'Chorus',
flanger: 'Flanger',
phaser: 'Phaser',
pitch: 'Pitch Shifter',
timestretch: 'Time Stretch',
distortion: 'Distortion',
bitcrusher: 'Bitcrusher',
};