Add noVerify flag to SaveEvent to prevent duplicate events and enhance test reliability

- pkg/database/save-event.go
  - Added `noVerify` parameter to `SaveEvent` function
  - Added check for existing event using `GetSerialById` when `noVerify` is false
  - Modified logic to handle event verification based on `noVerify` flag
- pkg/app/relay/server-publish.go
  - Added `false` as third argument to `SaveEvent` calls
- pkg/database/export_test.go
  - Added `false` as third argument to `SaveEvent` call
- pkg/database/query-for-tags_test.go
  - Added `false` as third argument to `SaveEvent` call
- pkg/database/query-for-kinds-authors_test.go
  - Added `false` as third argument to `SaveEvent` call
- pkg/database/query-for-kinds-tags_test.go
  - Added `false` as third argument to `SaveEvent` call
- pkg/database/query-for-serials_test.go
  - Added `false` as third argument to `SaveEvent` call
- main.go
  - Modified pprof handling to support different profiling types (cpu, memory, allocation)
  - Changed `Pprof` configuration from boolean to string with enum values
- pkg/app/config/config.go
  - Changed `Pprof` field type from `bool` to `string` with enum values
- pkg/database/query-for-kinds-authors-tags_test.go
  - Added `false` as third argument to `SaveEvent` call
- pkg/version/version
  - Bumped version from v0.2.12 to v0.2.13
- pkg/database/fetch-event-by-serial_test.go
  - Added `false` as third argument to `SaveEvent` call
- pkg/database/query-for-kinds_test.go
  - Added `false` as third argument to `SaveEvent` call
- pkg/database/get-serials-by-range_test.go
  - Added `false` as third argument to `SaveEvent` call
- pkg/database/query-events-multiple-param-replaceable_test.go
  - Added `false` as third argument to `SaveEvent` calls
- pkg/database/query-events_test.go
  - Added `false` as third argument to `SaveEvent` calls
- pkg/interfaces/store/store_interface.go
  - Updated `Saver` interface to include `noVerify` parameter in `SaveEvent` method
  - Added `SerialByIder` interface with `GetSerialById` method
- pkg/database/save-event_test.go
  - Added `false` as third argument to `SaveEvent` calls
  - Added new test case for saving existing event
- pkg/database/query-for-ids_test.go
  - Added `false` as third argument to `SaveEvent` call
- pkg/protocol/ws/client.go
  - Changed comment about context cancellation from "context is canceled" to "context is cancelled"
- pkg/app/relay/spider-fetch.go
  - Added signature checker for WebSocket connections
  - Modified logic to check for existing events before saving
  - Added logging and memory optimization improvements

pkg/protocol/ws/client.go

@@ -72,7 +72,7 @@ type writeRequest struct {
 }
 
 // NewRelay returns a new relay. The relay connection will be closed when the
-// context is canceled.
+// context is cancelled.
 func NewRelay(c context.T, url string, opts ...RelayOption) *Client {
 	ctx, cancel := context.Cancel(c)
 	r := &Client{