Add missing DB migration sql for training data

migrations/2026-04-10-000000_add_training_data_to_insights/down.sql

@@ -0,0 +1,14 @@
+-- SQLite doesn't support DROP COLUMN directly, so we recreate the table
+CREATE TABLE photo_insights_backup AS SELECT id, file_path, title, summary, generated_at, model_version, is_current FROM photo_insights;
+DROP TABLE photo_insights;
+CREATE TABLE photo_insights (
+    id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+    file_path TEXT NOT NULL,
+    title TEXT NOT NULL,
+    summary TEXT NOT NULL,
+    generated_at BIGINT NOT NULL,
+    model_version TEXT NOT NULL,
+    is_current BOOLEAN NOT NULL DEFAULT TRUE
+);
+INSERT INTO photo_insights SELECT * FROM photo_insights_backup;
+DROP TABLE photo_insights_backup;

migrations/2026-04-10-000000_add_training_data_to_insights/up.sql

@@ -0,0 +1,2 @@
+ALTER TABLE photo_insights ADD COLUMN training_messages TEXT;
+ALTER TABLE photo_insights ADD COLUMN approved BOOLEAN;