core: group member/owner keys for signing important messages (#6597)

* rfc: member keys

* update plan

* new encoding for message batches

* send new batch encoding in relay-based groups

* mvp launch plan

* update plan

* core: verify group member keys (#6669)

* core: verify group member keys

* refactor, process forwards

* refactor parsing

* refactor parsing 2

* refactor parser 3

* update rfc

* simplify

* simplify

* log tag

* refactor tag logging

* refactor withVerifiedSig

* simplify

* refactor more

* comment

* fix encoding

* fix sending as group for the new binary batch encoding

* unify types

* update api docs

* clean up

---------

Co-authored-by: Evgeny @ SimpleX Chat <259188159+evgeny-simplex@users.noreply.github.com>

* core: signing messages with member keys (#6675)

* core: signing messages with member keys (types)

* sign messages

* refactor batching

* better

* refactor

* remove unused Eq

---------

Co-authored-by: Evgeny @ SimpleX Chat <259188159+evgeny-simplex@users.noreply.github.com>

* core: forward signed messages as unchanged binary strings (#6678)

* core: forward signed messages as unchanged binary strings

* refactor

* consolidate types

* refactor VerifiedMsg

* refactor more

* undo rename

Co-authored-by: Evgeny <evgeny@poberezkin.com>

* update schema and plans

* add signed status to chat items and events

* test signed chat items

* unify parser

* PostgreSQL fix, remove unused fields, option to send inline files in the tests

* change inline files config

* revert inline config change

* use different characters in batch encoding, to avoid conflict with inline files

* fix test, api docs, query plans

---------

Co-authored-by: Evgeny @ SimpleX Chat <259188159+evgeny-simplex@users.noreply.github.com>

---------

Co-authored-by: spaced4ndy <8711996+spaced4ndy@users.noreply.github.com>
Co-authored-by: Evgeny @ SimpleX Chat <259188159+evgeny-simplex@users.noreply.github.com>

src/Simplex/Chat/Delivery.hs

@@ -125,20 +125,14 @@ data NewMessageDeliveryTask = NewMessageDeliveryTask
   }
   deriving (Show)
 
-data FwdSender
-  = FwdMember MemberId ContactName
-  | FwdChannel
-  deriving (Show)
-
 data MessageDeliveryTask = MessageDeliveryTask
   { taskId :: Int64,
     jobScope :: DeliveryJobScope,
     senderGMId :: GroupMemberId,
     fwdSender :: FwdSender,
     brokerTs :: UTCTime,
-    chatMessage :: ChatMessage 'Json
+    verifiedMsg :: VerifiedMsg 'Json
   }
-  deriving (Show)
 
 deliveryTaskId :: MessageDeliveryTask -> Int64
 deliveryTaskId = taskId