Integrate AppFunctions and fix new participants sync

[rugged-bl]

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[Copilot]

Pull request overview

Integrates Android AppFunctions support into the shared integration layer and adjusts sync observation so participant changes trigger event sync, alongside related dependency/CI updates and refreshed public privacy/terms docs.

Changes:

• Add Android AppFunctions entry point + serializable DTOs, wiring into existing event/expense domain APIs.
• Refactor sync observer wiring (introducing an observer-facing delegate seam) so participant list changes also trigger sync; add host-test regression coverage.
• Update build tooling/versions (AppFunctions, KSP, Guava for tests), CI steps, iOS Sentry initialization, and public/privacy documentation.

Reviewed changes

Copilot reviewed 35 out of 35 changed files in this pull request and generated 8 comments.

Show a summary per file

File	Description
web/public/terms.html	Updates “Last updated” and clarifies privacy/third-party wording.
web/public/privacy.html	Updates “Last updated” and refines diagnostics/identifiers disclosures.
android/shared/integration/base/src/androidMain/kotlin/com/inwords/expenses/integration/base/appfunctions/CommonExAppFunctions.kt	New AppFunctions API surface (events/currencies/debts/participants/expenses).
android/shared/integration/base/src/androidMain/kotlin/com/inwords/expenses/integration/base/appfunctions/AppFunctionParticipantMutation.kt	Adds AppFunctions result DTO for participant mutation.
android/shared/integration/base/src/androidMain/kotlin/com/inwords/expenses/integration/base/appfunctions/AppFunctionExpenseMutation.kt	Adds AppFunctions result DTO for expense mutation.
android/shared/integration/base/src/androidMain/kotlin/com/inwords/expenses/integration/base/appfunctions/AppFunctionEvent.kt	Adds AppFunctions event summary DTO.
android/shared/integration/base/src/androidMain/kotlin/com/inwords/expenses/integration/base/appfunctions/AppFunctionDebt.kt	Adds AppFunctions debt line DTO.
android/shared/integration/base/src/androidMain/kotlin/com/inwords/expenses/integration/base/appfunctions/AppFunctionCurrency.kt	Adds AppFunctions currency DTO.
android/shared/integration/base/src/androidDeviceTest/kotlin/com/inwords/expenses/integration/base/appfunctions/CommonExAppFunctionsTest.kt	Adds device tests for the new AppFunctions API.
android/shared/integration/base/build.gradle.kts	Enables KSP/appfunctions deps; configures device test execution for this module.
android/shared/feature/sync/src/iosMain/kotlin/com/inwords/expenses/feature/sync/data/EventsSyncManager.ios.kt	Makes iOS sync manager extend observer delegate + overrides methods.
android/shared/feature/sync/src/commonMain/kotlin/com/inwords/expenses/feature/sync/domain/EventsSyncObserver.kt	Updates observation pipeline to trigger sync when participants change.
android/shared/feature/sync/src/commonMain/kotlin/com/inwords/expenses/feature/sync/data/EventsSyncManagerObserverDelegate.kt	Introduces delegate seam for observer-facing sync methods.
android/shared/feature/sync/src/commonMain/kotlin/com/inwords/expenses/feature/sync/data/EventsSyncManager.kt	Updates expect class to extend delegate and override observer methods.
android/shared/feature/sync/src/commonMain/kotlin/com/inwords/expenses/feature/sync/api/SyncComponent.kt	Wires observer to delegate seam instead of concrete expect/actual type.
android/shared/feature/sync/src/androidMain/kotlin/com/inwords/expenses/feature/sync/data/SyncManager.android.kt	Makes Android sync manager extend observer delegate + overrides methods.
android/shared/feature/sync/src/androidHostTest/kotlin/com/inwords/expenses/feature/sync/domain/EventsSyncObserverTest.kt	Adds host-test coverage for participant/expense/refresh-triggered sync.
android/shared/feature/sync/build.gradle.kts	Enables host-test target and dependencies for sync module.
android/shared/feature/expenses/src/commonTest/kotlin/com/inwords/expenses/feature/expenses/domain/DebtCalculatorTest.kt	Adds test asserting netted barter debt summary output.
android/shared/feature/expenses/src/commonMain/kotlin/com/inwords/expenses/feature/expenses/ui/converter/toUi.kt	Adds UI converter for new debt summary model.
android/shared/feature/expenses/src/commonMain/kotlin/com/inwords/expenses/feature/expenses/domain/model/BarterAccumulatedDebtSummary.kt	Adds domain model representing a netted debt line.
android/shared/feature/expenses/src/commonMain/kotlin/com/inwords/expenses/feature/expenses/domain/DebtCalculator.kt	Exposes barter debt summaries + adds top-level calculator helper.
android/shared/feature/events/src/commonMain/kotlin/com/inwords/expenses/feature/events/domain/CreateEventUseCase.kt	Delegates event creation to new parameterized use case.
android/shared/feature/events/src/commonMain/kotlin/com/inwords/expenses/feature/events/domain/CreateEventFromParametersUseCase.kt	New use case to create events from explicit parameters (supports AppFunctions).
android/shared/feature/events/src/commonMain/kotlin/com/inwords/expenses/feature/events/api/EventsComponent.kt	Wires new create-from-parameters use case into component graph.
android/iosApp/iosApp/iOSApp.swift	Initializes Sentry with a production/debug flag at app startup.
android/gradle/shared.versions.toml	Adds AppFunctions + Guava; refactors MockK version to version.ref.
android/docs/ios-validation-checklist.md	Updates Gradle commands to ./gradlew and clarifies iOS test status.
android/docs/ios-app-privacy.md	Updates iOS privacy alignment notes for Sentry initialization.
android/benchmarks/databases/tools/.gitignore	Ignores Python __pycache__ for benchmark tooling.
android/app/proguard-rules-autotest.pro	Suppresses a new javax.lang.model.element.Modifier warning in autotest builds.
android/app/build.gradle.kts	Adds Guava to autotest runtime to support new tooling/deps.
android/AGENTS.md	Documents AppFunctions entry point + adds testing guidance for new host/device tests.
AGENTS.md	Adds repo-wide guidance: keep production types one per file.
.github/workflows/android.yml	Runs AppFunctions device tests in CI and uploads their reports.

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Copilot reviewed 41 out of 41 changed files in this pull request and generated 1 comment.