feat: native sync state (#14190)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

* **New Features**
* Added indexed clock management capabilities for documents, enabling
get, set, and clear operations across Android, iOS, Electron, and web
platforms.

* **Refactor**
* Improved storage architecture to dynamically select platform-specific
implementations (SQLite for Electron, IndexedDB for others).

* **Bug Fixes**
* Enhanced document operations to properly maintain and clean up indexer
synchronization state during document lifecycle changes.

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settings.</sub>

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

packages/frontend/native/schema/src/lib.rs

@@ -82,6 +82,18 @@ CREATE TABLE idx_snapshots (
   index_name TEXT PRIMARY KEY NOT NULL,
   data BLOB NOT NULL,
   created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL
+);
+"#,
+    None,
+  ),
+  // add indexer sync table
+  (
+    "add_indexer_sync",
+    r#"
+CREATE TABLE "indexer_sync" (
+  doc_id VARCHAR PRIMARY KEY NOT NULL,
+  indexed_clock TIMESTAMP NOT NULL DEFAULT 0,
+  indexer_version INTEGER NOT NULL DEFAULT 0
 );
  "#,
     None,