* **Add Coinbase integration with item and account management**
- Creates migrations for `coinbase_items` and `coinbase_accounts`.
- Adds models, controllers, views, and background tasks to support account linking, syncing, and transaction handling.
- Implements Coinbase API client and adapter for seamless integration.
- Supports ActiveRecord encryption for secure credential storage.
- Adds UI components for provider setup, account management, and synchronization.
* Localize Coinbase-related UI strings, refine account linking for security, and add timeouts to Coinbase API requests.
* Localize Coinbase account handling to support native currencies (USD, EUR, GBP, etc.) across balances, trades, holdings, and transactions.
* Improve Coinbase processing with timezone-safe parsing, native currency support, and immediate holdings updates.
* Improve trend percentage formatting and enhance race condition handling for Coinbase account linking.
* Fix log message wording for orphan cleanup
* Ensure `selected_accounts` parameter is sanitized by rejecting blank entries.
* Add tests for Coinbase integration: account, item, and controller coverage
- Adds unit tests for `CoinbaseAccount` and `CoinbaseItem` models.
- Adds integration tests for `CoinbaseItemsController`.
- Introduces Stimulus `select-all` controller for UI checkbox handling.
- Localizes UI strings and logging for Coinbase integration.
* Update test fixtures to use consistent placeholder API keys and secrets
* Refine `coinbase_item` tests to ensure deterministic ordering and improve scope assertions.
* Integrate `SyncStats::Collector` into Coinbase syncer to streamline statistics collection and enhance consistency.
* Localize Coinbase sync status messages and improve sync summary test coverage.
* Update `CoinbaseItem` encryption: use deterministic encryption for `api_key` and standard for `api_secret`.
* fix schema drift
* Beta labels to lower expectations
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Co-authored-by: luckyPipewrench <luckypipewrench@proton.me>
Co-authored-by: Juan José Mata <juanjo.mata@gmail.com>
* Add tax treatment metrics to reports, forms, and models
- Implement `build_gains_by_tax_treatment` for grouping gains by tax treatment
- Update investment performance view with tax treatment breakdown
- Add tax treatment field to crypto and investments forms
- Introduce `realized_gain_loss` calculation in the Trade model
- Group investment subtypes by region for improved dropdown organization
* Optimize investment performance report by reducing N+1 queries
- Eager-load associations in `build_gains_by_tax_treatment` to minimize database queries
- Preload holdings for realized gain/loss calculations in trades
- Refactor views to standardize "no data" placeholder using translations
- Adjust styling in tax treatment breakdown for improved layout
* Enhance investment performance translations and optimize holdings lookup logic
- Update `holdings_count` and `sells_count` translations to handle pluralization
- Refactor views to use pluralized translation keys with count interpolation
- Optimize preloaded holdings lookup in `Trade` to ensure deterministic selection using `select` and `max_by`
* Refine preloaded holdings logic in `Trade` model
- Treat empty preloaded holdings as authoritative to prevent unnecessary DB queries
- Add explicit fallback behavior for database query when holdings are not preloaded
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Co-authored-by: luckyPipewrench <luckypipewrench@proton.me>
