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[x] You've discussed making your changes with a member of the dev team per contributing rules in the README
[x] Your changes are free of any lint errors
[x] Your changes are free of any typescript errors
[x] You've tested your changes
Summary
Please provide a summary of what your PR does
With this PR, every time a post is loaded, the post is saved to a store of recently seen posts. The recently seen posts can be seen by opening the drawer and tapping the "Recently seen posts" button.
The recently seen posts are persisted to disk for a maximum of 99 posts. When the maximum is reached earlier posts are discarded.
Screenshots
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We will not review your PR without screenshots if they are applicable.
Test Plan
Please documemnt the steps required to test your PR
Manual testing.
PR Creator Checklist
Ensure you've checked the following before submitting your PR:
Summary
The recently seen posts are persisted to disk for a maximum of 99 posts. When the maximum is reached earlier posts are discarded.
Screenshots
Test Plan