Feature: Geburtstags-KI — 2 Modi (morgen: Ideen, heute: Hundeperspektive), DB-Cache, Abend-Tagebuch-Hinweis (SW by-v780)

backend/database.py

@@ -2075,6 +2075,18 @@ def _migrate(conn_factory):
         _seed_help_articles(conn)
         logger.info("Migration: Hilfe/FAQ-Tabelle bereit.")
 
+        conn.executescript("""
+            CREATE TABLE IF NOT EXISTS bday_ki_cache (
+                dog_id   INTEGER NOT NULL,
+                year     INTEGER NOT NULL,
+                mode     TEXT    NOT NULL,  -- 'tomorrow' | 'today'
+                content  TEXT    NOT NULL,
+                created_at TEXT  DEFAULT (datetime('now')),
+                PRIMARY KEY (dog_id, year, mode)
+            );
+        """)
+        logger.info("Migration: bday_ki_cache Tabelle bereit.")
+
         # ---- Feature: Subscription-Tier ----
         try:
             conn.execute("ALTER TABLE users ADD COLUMN subscription_tier TEXT DEFAULT 'standard'")