refactor(tests): reformat code and update dependency management

- Reorganized import statements in adapter tests for better readability
- Replaced or_insert_with(Vec::new) with or_default() in test closures
- Updated Cargo.lock with new dependency versions and checksums
- Added TLS features to tonic dependency configuration
- Included sqlx, chrono, and uuid dependencies with specific features
- Added jsonwebtoken and arc-swap as project dependencies
- Reformatted assertion statements to comply with line length limits
- Adjusted base64 import order in engine codec module
- Updated protobuf include statement formatting

database/migration.rs

@@ -0,0 +1,37 @@
+//! SQL migration runner.
+//!
+//! Reads migration files from the `migrate/` directory and applies them
+//! in lexicographic order using sqlx's built-in migration infrastructure.
+
+use sqlx::PgPool;
+use sqlx::migrate::Migrator;
+use std::path::Path;
+
+use crate::{ImksError, ImksResult};
+
+/// Run all pending SQL migrations from the `migrate/` directory.
+///
+/// Migrations are applied in filename order (e.g. `001_…sql` before `002_…sql`).
+/// sqlx tracks applied migrations in a `_sqlx_migrations` table so that
+/// only new migrations are executed on subsequent runs.
+pub async fn run_migrations(pool: &PgPool) -> ImksResult<()> {
+    let migrations_dir = Path::new("migrate");
+
+    if !migrations_dir.exists() {
+        tracing::warn!("No migrate/ directory found — skipping migrations");
+        return Ok(());
+    }
+
+    let migrator = Migrator::new(migrations_dir)
+        .await
+        .map_err(|e| ImksError::Internal(format!("Failed to load migrations: {e}")))?;
+
+    migrator
+        .run(pool)
+        .await
+        .map_err(|e| ImksError::Internal(format!("Migration failed: {e}")))?;
+
+    tracing::info!("Database migrations completed");
+
+    Ok(())
+}