**feat**: create `SendGrantValidator` and initial `SendPasswordValidator` for Send access grants
**feat**: add feature flag to toggle Send grant validation logic
**feat**: add Send client to Identity and update `ApiClient` to generic `Client`
**feat**: register Send services in DI pipeline
**feat**: add claims management support to `ProfileService`
**feat**: distinguish between invalid grant and invalid request in `SendAccessGrantValidator`
**fix**: update parsing of `send_id` from request
**fix**: add early return when feature flag is disabled
**fix**: rename and organize Send access scope and grant type
**fix**: dotnet format
**test**: add unit and integration tests for `SendGrantValidator`
**test**: update OpenID configuration and API resource claims
**doc**: move documentation to interfaces and update inline comments
**chore**: add TODO for future support of `CustomGrantTypes`
* Add Collections Tests
* Update CollectionRepository Implementation
* Test Adding And Deleting Through Replace
* Format
* Fix Most Test Warnings
* Format
* table storage grants
* simple shard on storage accounts
* use is not
* cosmos grant repo
* remove single storage connection string
* some fixes to dapper grant repo
* pattern matching
* add fallback to base PersistedGrantStore
* service collection extension cleanup
* cleanup
* remove unused Id
* empty string rowkey
* fix sharding method logic
* ttl for cosmos
* make ttl an int
* fixes to cosmos implementation
* fix partition key values
* catch notfound exceptions
* indenting
* update grantitem with custom serialization
* use new transform helpers
* grantloader perf test tool
* ref
* remove grant loader project
* remove table storage implementation
* remove table storage stuff
* all redis fallback to build to null
* revert sln file change
* EOF new line
* remove trailing comma
* lint fixes
* add grant to names
* move cosmos serilaizer to utils
* add some .net 8 keyed service comments
* EnableContentResponseOnWrite
* Fix type in EF grant repository
* Add Initial Redis Implementation
* Format
* Add Key to PersistedGrant
* Reference Identity In Microbenchmark Project
* Allow Filterable Benchmarks
* Use Shorter Key And Cast to RedisKey Once
* Add RedisPersistedGrantStore Benchmarks
* Run restore
* Format
* Update ID4 References
* Make RedisGrantStore Singleton
* Use MessagePack
* Use Cached Options
* Turn off Compression
* Minor Feedback
* Add Docs to StorablePersistedGrant
* Use existing Identity Redis
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Co-authored-by: Matt Bishop <mbishop@bitwarden.com>
