Complete internal code renaming from FocusTask to Immerse types

- Renamed FocusTask → ImmerseTask
- Renamed FocusTaskSettings → ImmerseSettings
- Renamed FocusTaskData → ImmerseData
- Updated CSS classes: focus-task-status-* → immerse-status-*
- Updated package release script zip filename
- Updated remaining README references
- Rebuilt main.js with new type names

src/types.ts

@@ -1,6 +1,6 @@
 // ============ Types & Interfaces ============
 
-export interface FocusTask {
+export interface ImmerseTask {
 	id: string;
 	text: string;
 	completed: boolean;
@@ -21,7 +21,7 @@ export interface TaskList {
 	icon: string;
 }
 
-export interface FocusTaskSettings {
+export interface ImmerseSettings {
 	pomodoroWorkMinutes: number;
 	pomodoroBreakMinutes: number;
 	longBreakMinutes: number;
@@ -36,8 +36,8 @@ export interface FocusTaskSettings {
 	logToDaily: boolean;
 }
 
-export interface FocusTaskData {
-	tasks: FocusTask[];
+export interface ImmerseData {
+	tasks: ImmerseTask[];
 	completedToday: number;
 	totalFocusMinutesToday: number;
 	streak: number;
@@ -45,7 +45,7 @@ export interface FocusTaskData {
 	pomodorosCompleted: number;
 }
 
-export const DEFAULT_SETTINGS: FocusTaskSettings = {
+export const DEFAULT_SETTINGS: ImmerseSettings = {
 	pomodoroWorkMinutes: 25,
 	pomodoroBreakMinutes: 5,
 	longBreakMinutes: 15,
@@ -64,7 +64,7 @@ export const DEFAULT_SETTINGS: FocusTaskSettings = {
 	logToDaily: false,
 };
 
-export const DEFAULT_DATA: FocusTaskData = {
+export const DEFAULT_DATA: ImmerseData = {
 	tasks: [],
 	completedToday: 0,
 	totalFocusMinutesToday: 0,