refactor: convert to bun workspaces monorepo

- Move web app into apps/web/
- Create packages/shared/ with shared types
- Create plugins/decky-vault/ scaffold
- Root package.json manages workspaces only

packages/shared/package.json

@@ -0,0 +1,11 @@
+{
+  "name": "@deckyvault/shared",
+  "version": "0.1.0",
+  "private": true,
+  "type": "module",
+  "main": "./src/index.ts",
+  "types": "./src/index.ts",
+  "devDependencies": {
+    "typescript": "^5"
+  }
+}

packages/shared/src/index.ts

@@ -0,0 +1,90 @@
+// ── DeckyVault Import Format (v1) ──────────────────────────────
+// This is the format produced by the Decky Loader plugin
+// and consumed by POST /api/performance/import
+
+export const VALID_UPSCALER_TYPES = [
+  "none", "fsr", "dlss", "xess", "lsfg", "other",
+] as const
+
+export const VALID_FRAME_GEN_METHODS = [
+  "none", "fsr_fg", "dlss_fg", "lsfg", "other",
+] as const
+
+export const VALID_ANTICHEAT_STATUSES = [
+  "none", "supported", "unsupported", "unknown",
+] as const
+
+export type UpscalerType = (typeof VALID_UPSCALER_TYPES)[number]
+export type FrameGenMethod = (typeof VALID_FRAME_GEN_METHODS)[number]
+export type AntiCheatStatus = (typeof VALID_ANTICHEAT_STATUSES)[number]
+
+export interface DeckyVaultImportV1 {
+  version: 1
+  steamAppId: number
+  hardwareSlug: string
+  fpsAvg: number
+  fpsLow?: number | null
+  fpsOnePercentLow?: number | null
+  fpsHigh?: number | null
+  protonVersion?: string | null
+  osVersion?: string | null
+  upscalerType?: string
+  upscalerVersion?: string | null
+  frameGenMethod?: string
+  tdpWatts?: number | null
+  loadTimeSsd?: number | null
+  loadTimeSd?: number | null
+  launchOptions?: string | null
+  settingsJson?: unknown[] | null
+  userNotes?: string | null
+  customSystem?: boolean
+  antiCheatRelevant?: boolean
+  antiCheatName?: string | null
+  antiCheatStatus?: string
+}
+
+// ── Known hardware slugs ───────────────────────────────────────
+export const KNOWN_HARDWARE_SLUGS = [
+  "steamdeck-lcd",
+  "steamdeck-oled",
+  "steamdeck-lcd-64gb",
+  "steamdeck-lcd-256gb",
+  "steamdeck-lcd-512gb",
+  "steamdeck-oled-512gb",
+  "steamdeck-oled-1tb",
+  "rog-ally",
+  "rog-ally-x",
+  "legion-go",
+  "msi-claw",
+] as const
+
+export type HardwareSlug = (typeof KNOWN_HARDWARE_SLUGS)[number]
+
+// ── API Response Types ──────────────────────────────────────────
+export interface GameLookupResponse {
+  game: {
+    id: string
+    steamAppId: number | null
+    title: string
+    slug: string | null
+    headerImage: string | null
+    capsuleImage: string | null
+    developer: string | null
+    publisher: string | null
+  }
+  version: {
+    id: string
+    versionString: string | null
+    buildId: string | null
+    isLatest: boolean
+    createdAt: string
+  } | null
+}
+
+export interface ImportResponse {
+  id: string
+  gameId: string
+  versionId: string
+  createdAt: string
+  authMethod: "session" | "api-key"
+}

packages/shared/tsconfig.json

@@ -0,0 +1,15 @@
+{
+  "compilerOptions": {
+    "composite": true,
+    "target": "ES2022",
+    "module": "ESNext",
+    "moduleResolution": "bundler",
+    "strict": true,
+    "declaration": true,
+    "declarationMap": true,
+    "sourceMap": true,
+    "outDir": "./dist",
+    "rootDir": "./src"
+  },
+  "include": ["src"]
+}