feat: refine account management and targeted editing

Add local provider icons, larger compact account rows, the requested column order, and full username display while keeping secrets masked. Replace provider-wide editing with a row-specific editor that preserves sibling accounts, exact limits, live usage counters, and status metadata. Add targeted credential validation, release notices, and regression coverage.

src/preload/preload.ts

@@ -87,7 +87,7 @@ const api: ElectronApi = {
   importBestDebridCookies: (): Promise<number> => ipcRenderer.invoke(IPC_CHANNELS.IMPORT_BESTDEBRID_COOKIES),
   getAllDebridHostInfo: (): Promise<AllDebridHostInfo> => ipcRenderer.invoke(IPC_CHANNELS.GET_ALLDEBRID_HOST_INFO),
   getDebridLinkHostLimits: (): Promise<DebridLinkHostLimitInfo[]> => ipcRenderer.invoke(IPC_CHANNELS.GET_DEBRIDLINK_HOST_LIMITS),
-  checkDebridAccounts: (settings?: AppSettings): Promise<DebridAccountStatus[]> => ipcRenderer.invoke(IPC_CHANNELS.CHECK_DEBRID_ACCOUNTS, settings),
+  checkDebridAccounts: (settings?: AppSettings, persistValidOverride = false, expectedAccountId?: string): Promise<DebridAccountStatus[]> => ipcRenderer.invoke(IPC_CHANNELS.CHECK_DEBRID_ACCOUNTS, settings, persistValidOverride, expectedAccountId),
   checkMegaDebridAccount: (login: string, password: string): Promise<DebridAccountStatus | null> => ipcRenderer.invoke(IPC_CHANNELS.CHECK_MEGA_DEBRID_ACCOUNT, login, password),
   retryExtraction: (packageId: string): Promise<void> => ipcRenderer.invoke(IPC_CHANNELS.RETRY_EXTRACTION, packageId),
   extractNow: (packageId: string): Promise<void> => ipcRenderer.invoke(IPC_CHANNELS.EXTRACT_NOW, packageId),