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

apps/web/lib/db/schema/entryScreenshots.ts

@@ -0,0 +1,30 @@
+import {
+  integer,
+  pgTable,
+  text,
+  timestamp,
+  index,
+} from "drizzle-orm/pg-core"
+import { performanceEntries } from "./performanceEntries"
+
+export const entryScreenshots = pgTable(
+  "entry_screenshots",
+  {
+    id: text("id")
+      .primaryKey()
+      .$defaultFn(() => crypto.randomUUID()),
+    entryId: text("entry_id")
+      .notNull()
+      .references(() => performanceEntries.id, { onDelete: "cascade" }),
+    storageKey: text("storage_key").notNull(),
+    orderIndex: integer("order_index").notNull().default(0),
+    mimeType: text("mime_type").notNull(),
+    width: integer("width").notNull(),
+    height: integer("height").notNull(),
+    originalName: text("original_name"),
+    createdAt: timestamp("created_at").defaultNow().notNull(),
+  },
+  (table) => [
+    index("entry_screenshots_entry_idx").on(table.entryId),
+  ],
+)