Merge branch 'feature/assets-s3-sharing'

Integrate asset metadata/storage support, TypeScript client asset APIs, docs updates, and the Leaflet demo while resolving conflicts with recent challenge IP/login persistence changes on main.

Made-with: Cursor

internal/store/migrate.go

@@ -3,8 +3,10 @@ package store
 import (
 	"database/sql"
 	"embed"
+	"fmt"
 	"io/fs"
 	"log"
+	"path/filepath"
 	"sort"
 
 	_ "github.com/jackc/pgx/v5/stdlib"
@@ -19,19 +21,25 @@ func Migrate(databaseURL string) error {
 		return err
 	}
 	defer db.Close()
-
-	entries, err := fs.Glob(migrationsFS, "migrations/*.sql")
+	files, err := fs.ReadDir(migrationsFS, "migrations")
 	if err != nil {
 		return err
 	}
-	sort.Strings(entries)
-	for _, name := range entries {
-		sql, err := migrationsFS.ReadFile(name)
-		if err != nil {
-			return err
+	paths := make([]string, 0, len(files))
+	for _, entry := range files {
+		if entry.IsDir() || filepath.Ext(entry.Name()) != ".sql" {
+			continue
 		}
-		if _, err := db.Exec(string(sql)); err != nil {
-			return err
+		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")