Add asset metadata, sharing, and MinIO-backed signed links.

This introduces deduplicated per-user image/3D asset records linked into feature properties, adds visibility-controlled download routing, and wires local S3-compatible storage with automatic bucket bootstrap in Docker Compose.

Made-with: Cursor

internal/store/migrate.go

@@ -3,7 +3,11 @@ package store
 import (
 	"database/sql"
 	"embed"
+	"fmt"
+	"io/fs"
 	"log"
+	"path/filepath"
+	"sort"
 
 	_ "github.com/jackc/pgx/v5/stdlib"
 )
@@ -17,12 +21,27 @@ func Migrate(databaseURL string) error {
 		return err
 	}
 	defer db.Close()
-	sql, err := migrationsFS.ReadFile("migrations/0001_init.sql")
+
+	files, err := fs.ReadDir(migrationsFS, "migrations")
 	if err != nil {
 		return err
 	}
-	if _, err := db.Exec(string(sql)); err != nil {
-		return err
+	paths := make([]string, 0, len(files))
+	for _, entry := range files {
+		if entry.IsDir() || filepath.Ext(entry.Name()) != ".sql" {
+			continue
+		}
+		paths = append(paths, "migrations/"+entry.Name())
+	}
+	sort.Strings(paths)
+	for _, path := range paths {
+		sqlBytes, readErr := migrationsFS.ReadFile(path)
+		if readErr != nil {
+			return readErr
+		}
+		if _, execErr := db.Exec(string(sqlBytes)); execErr != nil {
+			return fmt.Errorf("%s: %w", path, execErr)
+		}
 	}
 	log.Printf("migrations applied")
 	return nil