Feature: Sprint31 — 9 Features merged (Streak, Ausgaben, KI-Tierarzt, Rückrufe, Adoption, Vet+Befunde, Hundepass, Playdate, Rassenerkennung)

- Trainings-Streak: streak.py, DB training_streaks, Scheduler 19:00, Widget in welcome.js, Ping in uebungen.js
- Ausgaben-Tracker: expenses.py, expenses.js, DB expenses-Tabelle
- KI-Tierarztfragen: ki.py /tierarzt, health.js Button+Modal, DB ki_tierarzt_log
- Rückruf-Alarm: recalls.py, recalls.js, DB feed_recalls, Scheduler 08:00 RASFF
- Adoption: adoption.py, adoption.js, DB adoption_cache
- Tierarzt-Favorit + Befunde: tieraerzte.py /my-favorite+/favorite, health_docs.py, health.js, api.js, DB favorite_vets+health_documents
- Digitaler Hundepass: passport.py, dog-profile.js, main.py /pass/{token}, DB vaccinations+medications+dog_passport_meta+passport_shares, requirements.txt fpdf2
- Playdate-Matching: playdate.py, playdate.js, DB playdate_listings+playdate_requests
- Rassen-Erkennung: ki.py /rasse-erkennung (Claude Vision), dog-profile.js+wiki.js, CSS .rasse-result-card, DB ki_rasse_log

backend/static/js/api.js

@@ -195,6 +195,17 @@ const API = (() => {
     create(data)        { return post('/tieraerzte', data); },
     update(id, d)       { return patch(`/tieraerzte/${id}`, d); },
     osmNearby(lat, lon) { return get(`/tieraerzte/osm-nearby?lat=${lat}&lon=${lon}`); },
+    myFavorite()        { return get('/tieraerzte/my-favorite'); },
+    toggleFavorite(id)  { return post(`/tieraerzte/${id}/favorite`); },
+  };
+
+  // ----------------------------------------------------------
+  // GESUNDHEITSDOKUMENTE
+  // ----------------------------------------------------------
+  const healthDocs = {
+    list(dogId)          { return get(`/health-docs?dog_id=${dogId}`); },
+    upload(formData)     { return upload('/health-docs/upload', formData); },
+    delete(id)           { return del(`/health-docs/${id}`); },
   };
 
   // ----------------------------------------------------------
@@ -712,7 +723,7 @@ const API = (() => {
   // Öffentliche API
   return {
     get, post, put, patch, del, upload,
-    auth, dogs, diary, health, tieraerzte, poison,
+    auth, dogs, diary, health, tieraerzte, healthDocs, poison,
     places, routes, walks, events, sitting, forum, lost, knigge, weather, push,
     friends, chat, webcal, importData, sharing, widget, notifications, services, ratings, sittingAccess, training, notes,
     breeder, litters, breederPhotos, zuchthunde, zuchtKi,