refactor: prevent miniSnapshot to be set to db (@fehmer) (#8215)

Co-authored-by: Jack <jack@monkeytype.com>

Author: fehmer

frontend/src/ts/components/pages/account/MyProfile.tsx

@@ -1,4 +1,3 @@
-import { UserProfile as UserProfileType } from "@monkeytype/schemas/users";
 import { JSXElement, Show } from "solid-js";
 
 import { getActivePage } from "../../../states/core";
@@ -9,7 +8,7 @@ export function MyProfile(): JSXElement {
   const profile = () =>
     getActivePage() === "account" ? getSnapshot() : undefined;
   return (
-    <Show when={profile() as UserProfileType} fallback="no user found">
+    <Show when={profile()} fallback="no user found">
       {(p) => <UserProfile profile={p()} isAccountPage />}
     </Show>
   );

frontend/src/ts/constants/default-snapshot.ts

@@ -71,6 +71,7 @@ export type Snapshot = Omit<
   xp: number;
   testActivity?: ModifiableTestActivityCalendar;
   testActivityByYear?: { [key: string]: TestActivityCalendar };
+  isMiniSnapshot?: never;
 };
 
 const defaultSnap = {

frontend/src/ts/states/snapshot.ts

@@ -5,23 +5,30 @@ import { Mode } from "@monkeytype/schemas/shared";
 
 export type MiniSnapshot = Omit<
   Snapshot,
-  "results" | "presets" | "filterPresets"
->;
+  "testActivity" | "testActivityByYear" | "isMiniSnapshot"
+> & { isMiniSnapshot: boolean };
 const [snapshot, updateSnapshot] = createStore<{
   value: MiniSnapshot | undefined;
 }>({ value: undefined });
 
 /**
  * This does not update the DB.snapshot. Use DB.setSnapshot for now.
  */
-export function _setSnapshot(newValue: MiniSnapshot | undefined): void {
+export function _setSnapshot(newValue: Snapshot | undefined): void {
   if (newValue === undefined) {
     updateSnapshot("value", undefined);
   } else {
-    updateSnapshot(
-      "value",
-      reconcile(structuredClone(unwrap(newValue)), { merge: true }),
-    );
+    const snapshot = structuredClone(unwrap(newValue));
+
+    delete snapshot.testActivity;
+    delete snapshot.testActivityByYear;
+
+    const miniSnapshot = {
+      ...snapshot,
+      isMiniSnapshot: true,
+    };
+
+    updateSnapshot("value", reconcile(miniSnapshot, { merge: true }));
   }
 }