chore(version): update version and changelog for release 0.8.112

- Bumped APP_VERSION to 0.8.112 and updated DB_SCHEMA_VERSION to 20260514058.
- Added changelog entry for version 0.8.112, detailing migration 058 for exercise sorting indices.

backend/migrations/058_exercises_list_ordering_indexes.sql

@@ -0,0 +1,7 @@
+-- Unterstützung für GET /api/exercises: ORDER BY e.updated_at DESC
+-- und häufiger Pfad created_by_me (= e.created_by = Profil) mit derselben Sortierung.
+-- Hinweis: idx_exercises_created_at (014) betrifft created_at, nicht updated_at.
+
+CREATE INDEX IF NOT EXISTS idx_exercises_updated_at_desc ON exercises (updated_at DESC);
+
+CREATE INDEX IF NOT EXISTS idx_exercises_created_by_updated_at_desc ON exercises (created_by, updated_at DESC);

backend/version.py

@@ -1,8 +1,8 @@
 # Shinkan Jinkendo Version Information
 
-APP_VERSION = "0.8.111"
+APP_VERSION = "0.8.112"
 BUILD_DATE = "2026-05-12"
-DB_SCHEMA_VERSION = "20260512057"
+DB_SCHEMA_VERSION = "20260514058"
 
 MODULE_VERSIONS = {
     "legal_documents": "1.4.0",  # Admin: Live-Vorschau pro Abschnitt + modale Vollvorschau (Editor + Dokumentenliste)
@@ -36,6 +36,13 @@ MODULE_VERSIONS = {
 }
 
 CHANGELOG = [
+    {
+        "version": "0.8.112",
+        "date": "2026-05-14",
+        "changes": [
+            "Migration 058: Indizes exercises(updated_at DESC) und (created_by, updated_at DESC) für list_exercises-Sortierung und „meine Übungen“.",
+        ],
+    },
     {
         "version": "0.8.111",
         "date": "2026-05-13",