John Fallows

**Describe the desired outcome from the user's perspective** As a `zilla` developer, I want to ensure only valid stream state are used to send frames. **Acceptance criteria** - IT fails...

**Describe the desired outcome from the user's perspective** As devops, I want feedback when configuring `zilla` to make sure bindings connected together make sense according to stream types. **Acceptance criteria**...

**Describe the desired outcome from the user's perspective** As devops, I want to verify that my zilla configuration is self consistent, validating named bindings, guards, vaults, catalogs exist. **Acceptance criteria**...

## Description Active stream metrics rely on being able to cancel out counters for open vs error | close, where open counters are triggered by `BEGIN` frames and error counters...

[MQTT v5 specification](https://docs.oasis-open.org/mqtt/mqtt/v5.0/mqtt-v5.0.html) [MQTT v3.1.1 specification](http://docs.oasis-open.org/mqtt/mqtt/v3.1.1/mqtt-v3.1.1.html) ### Enhanced - `binding-kafka` - [x] https://github.com/aklivity/zilla/issues/462 - `binding-mqtt` handles network protocol, abstracting differences between v5 and v3.1.1 - [x] https://github.com/aklivity/zilla/issues/541 - [ ]...

`Build (17)` ``` Error: io.aklivity.zilla.runtime.binding.http.internal.streams.rfc7540.client.StartingIT.shouldUpgradeViaPriorKnowledgeWithTlsAndAlpn Error: Run 1: StartingIT.shouldUpgradeViaPriorKnowledgeWithTlsAndAlpn Specified behavior did not match expected:

## Enhanced - [x] https://github.com/aklivity/zilla/issues/459 - [x] https://github.com/aklivity/zilla/issues/684

## Enhanced - [x] https://github.com/aklivity/zilla/issues/313 - [x] https://github.com/aklivity/zilla/issues/457 - [x] https://github.com/aklivity/zilla/issues/315 - [x] https://github.com/aklivity/zilla/issues/458 - [ ] https://github.com/aklivity/zilla/issues/316

## Enhanced - [x] https://github.com/aklivity/zilla/issues/461 - [x] https://github.com/aklivity/zilla/issues/460 - [ ] https://github.com/aklivity/zilla/issues/683

[AMQP 1.0 specification](http://docs.oasis-open.org/amqp/core/v1.0/amqp-core-overview-v1.0.html) - `binding-amqp`handles network protocol - [ ] encoding and decoding amqp protocol frames - [ ] lifecycle of sender and receiver application level streams - [ ]...