Simplify frontend

Just a login form and a list of applications. No modals or anything like
that.

src/common/api.ts

@@ -1,13 +1,15 @@
 export interface Application {
+  readonly categories?: string[]
   readonly comment?: string
   readonly directory?: string
-  readonly embedPath?: string
   readonly exec?: string
+  readonly genericName?: string
   readonly icon?: string
-  readonly loaded?: boolean
+  readonly installed?: boolean
   readonly name: string
-  readonly path: string
+  readonly path?: string
   readonly sessionId?: string
+  readonly version?: string
 }
 
 export interface ApplicationsResponse {
@@ -22,52 +24,17 @@ export enum SessionError {
   Unknown,
 }
 
-export interface LoginRequest {
-  basePath: string
-  password: string
-}
-
-export interface LoginResponse {
+export interface SessionResponse {
   /**
-   * An application to load immediately after logging in.
+   * Whether the session was created or an existing one was returned.
    */
-  app?: Application
-  success: boolean
-}
-
-export interface CreateSessionResponse {
+  created: boolean
   sessionId: string
 }
 
-export interface ExecutableApplication extends Application {
-  exec: string
-}
-
-export const isExecutableApplication = (app: Application): app is ExecutableApplication => {
-  return !!(app as ExecutableApplication).exec
-}
-
-export interface RunningApplication extends ExecutableApplication {
-  sessionId: string
-}
-
-export const isRunningApplication = (app: Application): app is RunningApplication => {
-  return !!(app as RunningApplication).sessionId
-}
-
 export interface RecentResponse {
   readonly recent: ReadonlyArray<Application>
-  readonly running: ReadonlyArray<RunningApplication>
-}
-
-export interface FileEntry {
-  readonly type: "file" | "directory"
-  readonly name: string
-  readonly size: number
-}
-
-export interface FilesResponse {
-  files: FileEntry[]
+  readonly running: ReadonlyArray<Application>
 }
 
 export interface HealthRequest {