docs(openspec): archive terminal receipt repair

2026-07-30 18:31:28 +07:00
parent 995f63a27f
commit 03e14a9ae3
6 changed files with 10 additions and 6 deletions
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+## MODIFIED Requirements
+
+### Requirement: Bounded provider feedback control envelope
+The registered bidirectional reliable `control.ack.v1` flow SHALL define an ASCII `VGF1` envelope
+with a direction byte, type byte, big-endian payload length, and exact payload
+bytes. Only host termination, rumble, and HDR feedback SHALL be valid from the
+gateway to the client. Only IDR, FEC/loss feedback, and client-direction type
+`0x03` with an empty payload as terminal receipt SHALL be valid from the client
+to the gateway. The fixed conformance corpus and every generated or native
+Protocol validator SHALL accept that exact receipt and reject unknown types,
+wrong direction, nonempty receipt bodies, truncation, and length mismatch. The
+terminal receipt SHALL be valid only while the same session awaits receipt of
+its one terminal event and MUST NOT be forwarded to the provider. The envelope
+SHALL contain no provider address, certificate, credential, or opaque provider
+packet.
+
+#### Scenario: Host termination forwarding
+- **WHEN** the Apollo adapter receives an authenticated host termination packet
+- **THEN** the gateway forwards a bounded `VGF1` termination envelope over reliable Verse control and reports the provider state separately
+
+#### Scenario: Terminal event receipt
+- **WHEN** a client receives the reliable typed terminal event
+- **THEN** it sends the fixed empty client-direction type `0x03` receipt and the gateway owns bounded tunnel closure without forwarding the receipt to the provider
+
+#### Scenario: Unauthorized or malformed feedback
+- **WHEN** feedback is disabled by policy, has an invalid direction/type/length, contains a forbidden provider field, or sends a terminal receipt outside the awaiting-terminal state
+- **THEN** the gateway rejects it without forwarding or provider mutation