migration start

tasks/native-business-logic-migration/29-implement-linux-settings-store.md

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+# 29. Implement Linux settings/preferences store
+
+meta:
+  id: native-business-logic-migration-29
+  feature: native-business-logic-migration
+  priority: P1
+  depends_on: [native-business-logic-migration-17]
+  tags: [implementation, linux, settings]
+
+objective:
+- Implement settings store using GSettings and JSON file
+
+deliverables:
+- settings-store.vala
+- app-settings.vala
+- reading-preferences.vala
+- notification-preferences.vala
+- GSettings schema
+
+tests:
+- Unit: Test property storage/retrieval
+- Unit: Test defaults
+- Unit: Test synchronization
+
+acceptance_criteria:
+- All settings persisted
+- Defaults properly set
+- Changes observed in real-time
+- Settings follow XDG spec
+- Settings migrated between versions
+
+validation:
+- Run `meson test -C build`
+- Test with gsettings CLI
+
+notes:
+- Use GSettings for system integration
+- Use JSON file for app-specific
+- Follow XDG Base Directory spec