Fire Dialog: Data storage

[0nko]

Task/Issue URL: https://app.asana.com/1/137249556945/project/1207418217763355/task/1212237599845918?focus=true

Description

This PR adds a new FireDataStore, which allows to store automatic and manual data-clearing options. There is a new FireClearOption enum that has 3 options: TABS, DATA and DUCKAI_CHATS.

Steps to test this PR

• Make sure the unit tests pass

---

Note

Adds FireDataStore with DataStore-backed storage for manual/automatic clear options and clear-when timing, plus DI wiring and tests.

• Data layer:
  • Introduce FireDataStore and SharedPreferencesFireDataStore using DataStore<Preferences> to persist Fire clearing prefs.
  • Manage manual and automatic clear options with flows and CRUD for FireClearOption (TABS, DATA, DUCKAI_CHATS).
  • Add automatic "clear when" option (ClearWhenOption) with flow and persistence.
  • Fallback to legacy SettingsDataStore values for defaults/migration.
• DI:
  • Provide qualified @FireData DataStore via FireDataStoreModule (fire_clearing_preferences).
• Tests:
  • Add FireDataStoreTest covering option management, flows, and legacy fallback behavior.

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[0nko]

• Fire Dialog: New feature flag #7295
• Fire Dialog: Data storage #7282 👈 (View in Graphite)
• develop

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