[FSSDK-11505] update cache interface

[raju-opti]

Summary

• update the cache interface to be consistent with other sdks.

Test plan

Issues

• FSSDK-11505

[Copilot]

Pull Request Overview

This PR updates the cache interface to be consistent with other SDKs by renaming and refactoring cache-related types and methods. Key changes include replacing “Cache” with “Store” and updating method names (e.g. get → lookup, set → save, clear → reset) across the codebase and tests.

Reviewed Changes

Copilot reviewed 22 out of 22 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
lib/utils/cache/store.ts	Introduces new cache interfaces (OpStore) and updated implementations with batched getters.
lib/utils/cache/store.spec.ts	Updates test cases to use the new SyncPrefixStore and AsyncPrefixStore.
lib/utils/cache/local_storage_cache.browser.ts	Changes implementation to adopt SyncStore.
lib/utils/cache/in_memory_lru_cache.ts	Renames methods (get→lookup, set→save, clear→reset) and removes getBatched implementation.
lib/utils/cache/in_memory_lru_cache.spec.ts	Updates tests to match the new method names and behavior.
lib/utils/cache/cache.ts	Refactors the cache API to use OpCache and related types.
lib/utils/cache/async_storage_cache.react_native.ts	Adapts cache implementation to use AsyncStore.
lib/tests/mock/mock_cache.ts	Updates mock implementations with new Store interface methods.
lib/project_config/, lib/odp/segment_manager/, and others	Adjust code to import and use the new Store interfaces and method names.
lib/event_processor/* and related test/spec files	Replace PrefixCache references with PrefixStore and update method calls.
lib/core/decision_service/cmab/cmab_service.ts	Updates cache operations (clear→reset, get→lookup, set→save) for CMAB caching.

[coveralls]

coverage: 80.643% (-0.07%) from 80.712%
when pulling 0b868f5 on raju/cache_methods
into db81531 on master.

[junaed-optimizely]

LGTM!

Please update the copyright years in mentioned files.