fix: expand plant DB to 290, hide data UI, fix Play Store rejections

- Add 14 new plants (Taro, Nashi-Birne, Shiso, Süßholz, Chaga,
  Spirulina, Chlorella, Dulse, Cima di Rapa, Jackfrucht, Yuzu,
  Maitake, Shimeji, Igelstachelbart, Reishi, Pandan)
- Fix blattkohl → palmkohl ID, Maniok rename from Tapioka
- Merge Kichererbsenmehl/Granatapfelkerne as aliases
- Add 9 alias expansions (Zwiebel, Tomate, Mandel, Soja, Linsen,
  Orange, Knoblauch, Sesam, Senfsaat)
- Fix redundant aliases (Grünkohl, Beifuß) and Gurkenkraut duplicate
- Wrap data section in <details> accordion to prevent reviewer crash
- Add __APP_VERSION__ from package.json, dynamic plant/category counts
- Add Web Speech API type declarations

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

Author: chsteiner

CLAUDE.md

@@ -36,7 +36,7 @@ npm run check        # Svelte + TypeScript Check
 
 ```
 src/
-  data/plants.ts         — 276 deutsche Pflanzen mit Aliasen in 10 Kategorien
+  data/plants.ts         — 290 deutsche Pflanzen mit Aliasen in 10 Kategorien
   data/plantIndex.ts     — Such-Index (Normalisierung, De-Umlaut, Stemming)
   data/db.ts             — Dexie IndexedDB Schema (v2: entries + settings)
   data/types.ts          — TypeScript Interfaces + PlantCategory Union