feat: database migrations

common/schemas/file.surql

@@ -0,0 +1,19 @@
+# Defines the schema for the 'file' table (used by FileInfo).
+
+DEFINE TABLE IF NOT EXISTS file SCHEMALESS;
+
+# Standard fields
+DEFINE FIELD IF NOT EXISTS created_at ON file TYPE string;
+DEFINE FIELD IF NOT EXISTS updated_at ON file TYPE string;
+
+# Custom fields from the FileInfo struct
+DEFINE FIELD IF NOT EXISTS sha256 ON file TYPE string;
+DEFINE FIELD IF NOT EXISTS path ON file TYPE string;
+DEFINE FIELD IF NOT EXISTS file_name ON file TYPE string;
+DEFINE FIELD IF NOT EXISTS mime_type ON file TYPE string;
+DEFINE FIELD IF NOT EXISTS user_id ON file TYPE string;
+
+# Indexes based on usage (get_by_sha, potentially user lookups)
+# Using UNIQUE based on the logic in FileInfo::new to prevent duplicates
+DEFINE INDEX IF NOT EXISTS file_sha256_idx ON file FIELDS sha256 UNIQUE;
+DEFINE INDEX IF NOT EXISTS file_user_id_idx ON file FIELDS user_id;