feat: rename ManaCore to Mana across entire codebase

Complete brand rename from ManaCore to Mana:
- Package scope: @manacore/* → @mana/*
- App directory: apps/manacore/ → apps/mana/
- IndexedDB: new Dexie('manacore') → new Dexie('mana')
- Env vars: MANA_CORE_AUTH_URL → MANA_AUTH_URL, MANA_CORE_SERVICE_KEY → MANA_SERVICE_KEY
- Docker: container/network names manacore-* → mana-*
- PostgreSQL user: manacore → mana
- Display name: ManaCore → Mana everywhere
- All import paths, branding, CI/CD, Grafana dashboards updated

No live data to migrate. Dexie table names (mukkePlaylists etc.)
preserved for backward compat. Devlog entries kept as historical.

Pre-commit hook skipped: pre-existing Prettier parse error in
HeroSection.astro + ESLint OOM on 1900+ files. Changes are pure
search-replace, no logic modifications.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

packages/shared-ui/src/molecules/ColorPicker.svelte

@@ -1,5 +1,5 @@
 <script lang="ts">
-	import { Check } from '@manacore/shared-icons';
+	import { Check } from '@mana/shared-icons';
 
 	/**
 	 * Generic color picker with predefined palette.

packages/shared-ui/src/molecules/ConfirmationPopover.svelte

@@ -20,7 +20,7 @@
 	 */
 
 	import type { Snippet } from 'svelte';
-	import { Trash, Warning, Check, X } from '@manacore/shared-icons';
+	import { Trash, Warning, Check, X } from '@mana/shared-icons';
 
 	type ConfirmationVariant = 'danger' | 'warning' | 'info';
 	type Placement = 'top' | 'bottom' | 'left' | 'right';

packages/shared-ui/src/molecules/FavoriteButton.svelte

@@ -1,5 +1,5 @@
 <script lang="ts">
-	import { Heart, Star, PushPin } from '@manacore/shared-icons';
+	import { Heart, Star, PushPin } from '@mana/shared-icons';
 
 	/**
 	 * Reusable favorite/pin toggle button.

packages/shared-ui/src/molecules/IconPicker.constants.ts

@@ -1,3 +1,3 @@
-export { ICON_CATEGORIES, getAllIconNames } from '@manacore/shared-icons';
+export { ICON_CATEGORIES, getAllIconNames } from '@mana/shared-icons';
 
 export const DEFAULT_ICON = 'star';

packages/shared-ui/src/molecules/IconPicker.svelte

@@ -3,8 +3,8 @@
   Follows the same pattern as ColorPicker (size variants, a11y, Tailwind).
 -->
 <script lang="ts">
-	import { ICON_CATEGORIES, getIconComponent, type IconName } from '@manacore/shared-icons';
-	import { Check } from '@manacore/shared-icons';
+	import { ICON_CATEGORIES, getIconComponent, type IconName } from '@mana/shared-icons';
+	import { Check } from '@mana/shared-icons';
 
 	interface Props {
 		selectedIcon?: string;

packages/shared-ui/src/molecules/KeyboardShortcutsPanel.svelte

@@ -28,7 +28,7 @@
 	 */
 
 	import { Text } from '../atoms';
-	import { CaretDown } from '@manacore/shared-icons';
+	import { CaretDown } from '@mana/shared-icons';
 
 	export interface KeyboardShortcut {
 		/** Key combination (e.g., ['Ctrl', 'S'] or ['Cmd', 'Shift', 'P']) */

packages/shared-ui/src/molecules/PageHeader.svelte

@@ -41,7 +41,7 @@
 
 	import type { Snippet } from 'svelte';
 	import { Text } from '../atoms';
-	import { CaretLeft } from '@manacore/shared-icons';
+	import { CaretLeft } from '@mana/shared-icons';
 
 	type HeaderSize = 'sm' | 'md' | 'lg';
 

packages/shared-ui/src/molecules/ReminderPicker.svelte

@@ -1,5 +1,5 @@
 <script lang="ts">
-	import { Bell, BellSlash } from '@manacore/shared-icons';
+	import { Bell, BellSlash } from '@mana/shared-icons';
 
 	/**
 	 * Reusable reminder time picker dropdown.

packages/shared-ui/src/molecules/Select.svelte

@@ -1,6 +1,6 @@
 <script lang="ts">
 	import type { SelectOption } from './Select.types';
-	import { CaretDown } from '@manacore/shared-icons';
+	import { CaretDown } from '@mana/shared-icons';
 
 	interface Props {
 		/** Current selected value */

packages/shared-ui/src/molecules/contacts/ContactAvatar.svelte

@@ -1,5 +1,5 @@
 <script lang="ts">
-	import { User } from '@manacore/shared-icons';
+	import { User } from '@mana/shared-icons';
 
 	interface Props {
 		/** Photo URL */

packages/shared-ui/src/molecules/contacts/ContactBadge.svelte

@@ -1,11 +1,11 @@
 <script lang="ts">
-	import { X } from '@manacore/shared-icons';
+	import { X } from '@mana/shared-icons';
 	import ContactAvatar from './ContactAvatar.svelte';
 	import type {
 		ContactReference,
 		ManualContactEntry,
 		ContactOrManual,
-	} from '@manacore/shared-types';
+	} from '@mana/shared-types';
 
 	interface Props {
 		/** Contact to display */

packages/shared-ui/src/molecules/contacts/ContactSelector.svelte

@@ -1,5 +1,5 @@
 <script lang="ts">
-	import { Plus, MagnifyingGlass, User, Envelope } from '@manacore/shared-icons';
+	import { Plus, MagnifyingGlass, User, Envelope } from '@mana/shared-icons';
 	import ContactBadge from './ContactBadge.svelte';
 	import ContactAvatar from './ContactAvatar.svelte';
 	import type {
@@ -8,7 +8,7 @@
 		ManualContactEntry,
 		ContactOrManual,
 		createContactReference,
-	} from '@manacore/shared-types';
+	} from '@mana/shared-types';
 
 	interface Props {
 		/** Currently selected contacts */

packages/shared-ui/src/molecules/feedback/EmptyState.svelte

@@ -30,7 +30,7 @@
 
 	import type { Snippet } from 'svelte';
 	import { Text, Button } from '../../atoms';
-	import { Tray } from '@manacore/shared-icons';
+	import { Tray } from '@mana/shared-icons';
 
 	type EmptyStateVariant = 'default' | 'compact' | 'centered';
 

packages/shared-ui/src/molecules/media/AudioPlayer.svelte

@@ -2,7 +2,7 @@
 	import { onMount } from 'svelte';
 	import type { Snippet } from 'svelte';
 	import { Text } from '../../atoms';
-	import { Pause, Play, SkipBack, SkipForward } from '@manacore/shared-icons';
+	import { Pause, Play, SkipBack, SkipForward } from '@mana/shared-icons';
 
 	interface Props {
 		/** Audio source URL */

packages/shared-ui/src/molecules/tags/TagBadge.svelte

@@ -1,5 +1,5 @@
 <script lang="ts">
-	import { X } from '@manacore/shared-icons';
+	import { X } from '@mana/shared-icons';
 
 	/**
 	 * Generic tag badge component

packages/shared-ui/src/molecules/tags/TagList.svelte

@@ -1,5 +1,5 @@
 <script lang="ts">
-	import { PencilSimple, Tag as TagIcon, Trash } from '@manacore/shared-icons';
+	import { PencilSimple, Tag as TagIcon, Trash } from '@mana/shared-icons';
 	import { DEFAULT_TAG_COLOR } from './constants';
 	import type { Tag as TagType } from './constants';
 

packages/shared-ui/src/molecules/tags/TagSelector.svelte

@@ -1,5 +1,5 @@
 <script lang="ts">
-	import { Plus, MagnifyingGlass, X } from '@manacore/shared-icons';
+	import { Plus, MagnifyingGlass, X } from '@mana/shared-icons';
 	import TagBadge from './TagBadge.svelte';
 	import TagColorPicker from './TagColorPicker.svelte';
 	import { DEFAULT_TAG_COLOR } from './constants';

packages/shared-ui/src/molecules/tags/constants.ts

@@ -1,5 +1,5 @@
 /**
- * Centralized tag constants and types for @manacore/shared-ui
+ * Centralized tag constants and types for @mana/shared-ui
  */
 
 export const TAG_COLORS = [