v1.4.0 — Personal overview and bank synchronization clarity

Overview now follows the signed-in Home Assistant user. Assign a user to accounts and budgets to include them in their personal summary; household access in other modules remains unchanged.

• Optional budget assignment in both English and French, preserved through edits and backups.
• Current bank balances for connected accounts in Overview, with journal-based income/expenses and explicit incomplete-data notices. Historical reports and budget reserves retain their existing calculations.
• Clearer Lunch Flow failure reasons and partial synchronization status, including failures of optional bank balances or holdings.
• Bank/ledger balances and synchronization actions in investment portfolios, with explanations for empty positions and histories.

Validation: 214 Python tests and 21 real Home Assistant browser journeys, including desktop/mobile, both languages and two authenticated users. GitHub CI, HACS and manifest checks must pass for this release commit. Provider failures and recovery are covered with representative responses; the updated release has not yet been verified by an end-to-end synchronization with the user's live bank connection.

Update through HACS, restart Home Assistant, and refresh open browser tabs. Existing budgets remain unassigned until a Home Assistant user is selected in Edit budget.