Critical fixes modernization - #24

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MarijaGojkov wants to merge 12 commits into

english-rewritefrom

critical-fixes-modernization

Commits on May 11, 2026

config: move database connection string to single configuration source

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856f48a
security: remove hardcoded login defaults

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ff3110e
security: hash user passwords with BCrypt

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1efb44b
money: replace double with decimal for monetary values

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c1db0bc
payments: make transfers atomic with a single SQL transaction

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d5b20f0
ui: remove async void handlers and Closing-event leaks

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f6b4a45
docs: document modernization changes in README

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865d5b9
payments: reject transfer when recipient account does not exist

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e7344f4
ui: label source and target currencies on Currency Exchange screen

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5ff2fc2
ui: rebrand registration screen as account activation

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38c73b0
ui: reframe the activation entry point as password set/reset

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30feccd

Commits on May 12, 2026

wrap currency exchange in a single SQL transaction
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e6d4b75