feat: Add Spotify-style backdrop, Cascade OCR, Smart Scan Flow & OCR Dashboard

- BottleGrid: Implement blurred backdrop effect for bottle cards
- Cascade OCR: TextDetector → RegEx → Fuzzy Match → window.ai pipeline
- Smart Scan: Native OCR for Android, Live Text fallback for iOS
- OCR Dashboard: Admin page at /admin/ocr-logs with stats and scan history
- Features: Add feature flags in src/config/features.ts
- SQL: Add ocr_logs table migration
- Services: Update analyze-bottle to use OpenRouter, add save-ocr-log

src/lib/openrouter.ts

@@ -7,12 +7,10 @@ import OpenAI from 'openai';
  * - "openrouter" (default) - Uses OpenRouter with Gemma 3 27B via Nebius/FP8
  * - "gemini" - Uses Google Gemini 2.5 Flash
  */
-export type AIProvider = 'openrouter' | 'gemini';
+export type AIProvider = 'openrouter';
 
 export function getAIProvider(): AIProvider {
-    const provider = process.env.AI_PROVIDER?.toLowerCase();
-    if (provider === 'gemini') return 'gemini';
-    return 'openrouter'; // Default
+    return 'openrouter';
 }
 
 /**
@@ -38,6 +36,7 @@ export function getOpenRouterClient(): OpenAI {
 
 // Default OpenRouter model for vision tasks
 export const OPENROUTER_VISION_MODEL = 'google/gemma-3-27b-it';
+//export const OPENROUTER_VISION_MODEL = 'google/gemma-3n-e4b-it';
 
 /**
  * OpenRouter provider preferences