fix(persistence): guard parsing errors and preserve falsy configs (#850)

Cargo.toml

@@ -1,5 +1,12 @@
 [workspace]
-members = [ "crates/tauri-plugin-ipc-audio-transcription-ort", "crates/tauri-plugin-ipc-audio-vad-ort", "crates/tauri-plugin-mcp", "crates/tauri-plugin-rdev", "crates/tauri-plugin-window-pass-through-on-hover", "crates/tauri-plugin-window-router-link" ]
+members = [
+  "crates/tauri-plugin-ipc-audio-transcription-ort",
+  "crates/tauri-plugin-ipc-audio-vad-ort",
+  "crates/tauri-plugin-mcp",
+  "crates/tauri-plugin-rdev",
+  "crates/tauri-plugin-window-pass-through-on-hover",
+  "crates/tauri-plugin-window-router-link"
+]
 resolver = "2"
 
 [workspace.package]

apps/stage-tamagotchi/src/main/windows/shared/persistence.ts

@@ -7,7 +7,14 @@ import { app } from 'electron'
 import { throttle } from 'es-toolkit'
 
 function parseOrFallback<T>(config: string, fallback: T | undefined): T | undefined {
-  return safeDestr<T>(config) || fallback
+  try {
+    const parsed = safeDestr<T>(config)
+    return parsed ?? fallback
+  }
+  catch (error) {
+    console.warn('Invalid config persisted to disk, resetting to default', error)
+    return fallback
+  }
 }
 
 const persistenceMap = new Map<string, any>()