chore: remove @manacore/shared-supabase package

Package was unused — no imports found across the entire codebase.
All apps have migrated to direct PostgreSQL (Drizzle ORM) for backends
and mana-core-auth API for mobile/web clients.

Removes package and all documentation references.

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

CLAUDE.md

@@ -502,7 +502,6 @@ $: doubled = count * 2;
 | `@mana-core/nestjs-integration` | NestJS module with auth guards + credit client  |
 | `@manacore/shared-auth`         | Client-side auth service for web/mobile apps    |
 | `@manacore/shared-storage`      | S3-compatible storage (MinIO)                     |
-| `@manacore/shared-supabase`     | Unified Supabase client                         |
 | `@manacore/shared-types`        | Common TypeScript types                         |
 | `@manacore/shared-utils`        | Utility functions                               |
 | `@manacore/shared-ui`           | React Native UI components                      |

docs/BACKEND_ARCHITECTURE.md

@@ -712,7 +712,6 @@ export const characters = pgTable('characters', {
 #### Option B: Alles auf Supabase
 
 ```typescript
-// packages/shared-supabase/src/client.ts
 export const createProjectClient = (project: 'maerchenzauber' | 'manadeck' | 'uload') => {
   return createClient(
     process.env[`${project.toUpperCase()}_SUPABASE_URL`],

docs/PROJECT_OVERVIEW.md

@@ -454,7 +454,6 @@ Alle Projekte teilen gemeinsame Packages unter `packages/`:
 | --------------------------- | ---------------------------------------- |
 | `@manacore/shared-types`    | Gemeinsame TypeScript Types              |
 | `@manacore/shared-utils`    | Utility-Funktionen (Date, String, Async) |
-| `@manacore/shared-supabase` | Einheitlicher Supabase Client            |
 | `@manacore/shared-config`   | Gemeinsame Konfiguration                 |
 
 ### Auth & Security
@@ -498,7 +497,6 @@ Alle Projekte teilen gemeinsame Packages unter `packages/`:
 ```typescript
 // In einem beliebigen Projekt
 import { User, ApiResponse } from '@manacore/shared-types';
-import { createSupabaseClient } from '@manacore/shared-supabase';
 import { formatDate, truncate, retry } from '@manacore/shared-utils';
 ```
 

docs/SHARED_PACKAGES_ROADMAP.md

@@ -13,7 +13,6 @@ This document outlines the plan to unify common code across all web apps in the
 - [x] `@manacore/shared-theme-ui` - Theme UI Components (ThemeToggle, ThemeSelector)
 - [x] `@manacore/shared-utils` - Unified Utilities (formatting, validation, async, date, keyboard)
 - [x] `@manacore/shared-types` - Unified TypeScript Types
-- [x] `@manacore/shared-supabase` - Unified Supabase Client Factory
 - [x] `@manacore/shared-i18n` - Unified i18n (languages, locale detection, translations)
 - [x] `@manacore/shared-config` - Unified Config (env validation)
 - [x] `@manacore/shared-branding` - **NEW** Unified App Branding (logos, colors, app config)
@@ -232,7 +231,6 @@ packages/shared-i18n/
 3. **Phase 3** (Completed)
    - [x] `@manacore/shared-utils`
    - [x] `@manacore/shared-types`
-   - [x] `@manacore/shared-supabase`
 
 4. **Phase 4** (Completed)
    - [x] `@manacore/shared-i18n`

packages/shared-supabase/package.json

@@ -1,25 +0,0 @@
-{
-	"name": "@manacore/shared-supabase",
-	"version": "0.1.0",
-	"private": true,
-	"description": "Shared Supabase client and utilities for Manacore monorepo",
-	"main": "./src/index.ts",
-	"types": "./src/index.ts",
-	"exports": {
-		".": "./src/index.ts"
-	},
-	"scripts": {
-		"type-check": "tsc --noEmit",
-		"clean": "rm -rf dist",
-		"lint": "eslint ."
-	},
-	"dependencies": {
-		"@supabase/supabase-js": "^2.81.1"
-	},
-	"devDependencies": {
-		"typescript": "^5.9.3"
-	},
-	"peerDependencies": {
-		"@manacore/shared-types": "workspace:*"
-	}
-}

packages/shared-supabase/src/index.ts

@@ -1,80 +0,0 @@
-/**
- * Shared Supabase utilities for Manacore monorepo
- *
- * This package provides a unified Supabase client and common database utilities.
- */
-
-import { createClient } from '@supabase/supabase-js';
-import type { SupabaseClient } from '@supabase/supabase-js';
-import type { SupabaseConfig } from '@manacore/shared-types';
-
-export { SupabaseClient } from '@supabase/supabase-js';
-
-/**
- * Create a Supabase client with the given configuration
- */
-export function createSupabaseClient(config: SupabaseConfig): SupabaseClient {
-	return createClient(config.url, config.anonKey, {
-		auth: {
-			persistSession: true,
-			autoRefreshToken: true,
-		},
-	});
-}
-
-/**
- * Create a Supabase admin client with service role key
- */
-export function createSupabaseAdminClient(config: SupabaseConfig): SupabaseClient {
-	if (!config.serviceRoleKey) {
-		throw new Error('Service role key is required for admin client');
-	}
-
-	return createClient(config.url, config.serviceRoleKey, {
-		auth: {
-			persistSession: false,
-			autoRefreshToken: false,
-		},
-	});
-}
-
-/**
- * Supabase error type
- */
-export interface SupabaseError {
-	message: string;
-	code?: string;
-	details?: string;
-	hint?: string;
-}
-
-/**
- * Standardized query result type
- */
-export interface QueryResult<T> {
-	data: T | null;
-	error: SupabaseError | null;
-}
-
-/**
- * Common database query helpers
- */
-export const dbHelpers = {
-	/**
-	 * Handle Supabase query result and return standardized response
-	 */
-	handleQueryResult<T>(result: { data: T | null; error: SupabaseError | null }): QueryResult<T> {
-		if (result.error) {
-			return {
-				data: null,
-				error: {
-					message: result.error.message,
-					code: result.error.code,
-					details: result.error.details,
-					hint: result.error.hint,
-				},
-			};
-		}
-		return { data: result.data, error: null };
-	},
-};

packages/shared-supabase/tsconfig.json

@@ -1,17 +0,0 @@
-{
-	"compilerOptions": {
-		"target": "ES2022",
-		"module": "ESNext",
-		"moduleResolution": "bundler",
-		"lib": ["ES2022", "DOM"],
-		"strict": true,
-		"esModuleInterop": true,
-		"skipLibCheck": true,
-		"forceConsistentCasingInFileNames": true,
-		"isolatedModules": true,
-		"verbatimModuleSyntax": true,
-		"noEmit": true
-	},
-	"include": ["src/**/*"],
-	"exclude": ["node_modules"]
-}