Amount formatting + balance adjusting improvemnets

[31b4]

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[Copilot]

Pull request overview

This PR introduces a shared, locale-tolerant amount formatting/parsing utility plus a reusable AmountInput component, then migrates several UI flows (transfers, splits, recurring, bulk, budgets, accounts) to use the new amount handling for more consistent formatting and safer numeric parsing.

Changes:

• Add client/src/lib/amount.ts (format/parse/normalize + scientific notation expansion) with Vitest coverage.
• Add AmountInput with caret-preserving grouping behavior and migrate multiple forms/modals to use it.
• Improve transfer exchange-rate handling (draft state + cancellation sequencing) and enhance adjustment flows (single vs split modal usage).

Reviewed changes

Copilot reviewed 12 out of 12 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
package.json	Bumps app version.
client/src/lib/amount.ts	New centralized amount normalization/parsing/formatting utilities.
client/src/lib/amount.test.ts	Unit tests for the new amount utilities.
client/src/components/dashboard-module/TransferForm.tsx	Removes the legacy transfer form component.
client/src/components/dashboard-module/TransactionList.tsx	Migrates transfer/bulk inputs to AmountInput and refines exchange-rate state handling.
client/src/components/dashboard-module/SplitTransactionModal.tsx	Converts split amounts to string drafts, adds single-transaction mode, and uses shared formatting/parsing.
client/src/components/dashboard-module/RecurringTransactions.tsx	Replaces manual numeric input logic with AmountInput + parseAmount.
client/src/components/dashboard-module/BulkTransactionModal.tsx	Uses AmountInput, improves equal split cent allocation, and adopts shared parsing/formatting.
client/src/components/dashboard-module/AccountList.tsx	Uses AmountInput for balances and adds a single-transaction adjustment modal path.
client/src/components/common/amount-input.tsx	New reusable amount input with grouping + caret mapping behavior.
client/src/components/common/amount-input.test.tsx	Interaction tests for grouping/caret behavior and paste normalization.
client/src/components/budget-module/BudgetFormModal.tsx	Uses AmountInput and parseAmount for budget amount entry.

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