fix: resolve lint safety errors in SQL and preferences persistence

Author: ctrlaltwill

dist/main.js

@@ -34,6 +34,9 @@ import {
 
 let _sqlJs: SqlJsStatic | null = null;
 let _sqlJsPromise: Promise<SqlJsStatic> | null = null;
+const initSqlJsTyped = initSqlJs as unknown as (config: {
+  wasmBinary: ArrayBuffer;
+}) => Promise<SqlJsStatic>;
 
 /**
  * Lazily initialise sql.js. Uses the bundled sql.js package and embedded WASM
@@ -49,7 +52,7 @@ export async function getSqlJs(): Promise<SqlJsStatic> {
       : new Uint8Array(wasmBinary);
     const wasmBuffer = wasmArray.slice().buffer;
 
-    _sqlJs = await initSqlJs({ wasmBinary: wasmBuffer });
+    _sqlJs = await initSqlJsTyped({ wasmBinary: wasmBuffer });
     return _sqlJs;
   })().catch((err) => {
     // Reset so the next call retries instead of returning a stale rejected promise

src/platform/integrations/anki/anki-sql.ts

@@ -388,18 +388,20 @@ export class SproutCardBrowserView extends ItemView {
 
   private _queuePersistBrowserPrefs() {
     if (this._browserPrefsSaveTimer !== null) return;
-    this._browserPrefsSaveTimer = setTimeout(async () => {
+    this._browserPrefsSaveTimer = setTimeout(() => {
+      void (async () => {
       this._browserPrefsSaveTimer = null;
       try {
-        const root = (await this.plugin.loadData()) || {};
-        root[BROWSER_PREFS_ROOT_KEY] = {
+        const root = (await this.plugin.loadData()) as Record<string, unknown> | null;
+        const nextRoot: Record<string, unknown> = root ?? {};
+        nextRoot[BROWSER_PREFS_ROOT_KEY] = {
           density: this._densityMode,
           cols: {
             comfortable: Array.from(this._comfortableCols),
             compact: Array.from(this._compactCols),
           },
         };
-        await this.plugin.saveData(root);
+        await this.plugin.saveData(nextRoot);
         // One-time cleanup: remove legacy localStorage keys
         try {
           window.localStorage.removeItem(BROWSER_DENSITY_STORAGE_KEY);
@@ -410,6 +412,7 @@ export class SproutCardBrowserView extends ItemView {
         this._saveDensityMode();
         this._saveColumnPrefs();
       }
+      })();
     }, 300);
   }
 

src/views/browser/card-browser-view.ts

@@ -312,12 +312,13 @@ export class SproutAssistantPopup {
     // Write to data.json asynchronously; fall back to localStorage on failure.
     void (async () => {
       try {
-        const root = (await this.plugin.loadData()) || {};
-        root[ASSISTANT_POPUP_PREFS_ROOT_KEY] = {
+        const root = (await this.plugin.loadData()) as Record<string, unknown> | null;
+        const nextRoot: Record<string, unknown> = root ?? {};
+        nextRoot[ASSISTANT_POPUP_PREFS_ROOT_KEY] = {
           width: this._userResizedWidth,
           height: this._userResizedHeight,
         };
-        await this.plugin.saveData(root);
+        await this.plugin.saveData(nextRoot);
         // One-time cleanup: remove legacy localStorage key
         try { window.localStorage.removeItem(ASSISTANT_POPUP_SIZE_STORAGE_KEY); } catch { /* ignore */ }
       } catch {