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fix(agents): preserve protocol precedence when invocations_ws is declared #9191

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fix(agents): preserve protocol precedence when invocations_ws is declared #9191

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Copilot Jul 17, 2026
8ac6872
fix: preserve invocable protocol precedence in next steps
Copilot Jul 17, 2026
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3 changes: 3 additions & 0 deletions cli/azd/extensions/azure.ai.agents/internal/cmd/nextstep/resolver.go
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Expand Up @@ -17,6 +17,9 @@ const (
// ProtocolResponses is the value of `agent.yaml#protocol` for plain
// text /responses agents.
ProtocolResponses = "responses"
// ProtocolInvocationsWS is the value of `agent.yaml#protocol` for
// bidirectional WebSocket /invocations_ws agents.
ProtocolInvocationsWS = "invocations_ws"

// placeholderPayload is the single-quoted literal the resolver
// emits as the body argument when no concrete payload is known —
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6 changes: 6 additions & 0 deletions cli/azd/extensions/azure.ai.agents/internal/cmd/nextstep/state.go
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Expand Up @@ -478,17 +478,23 @@ func loadServiceProtocol(projectPath, relativePath string) string {
}

sawInvocations := false
sawInvocationsWS := false
for _, p := range hosted.Protocols {
switch strings.TrimSpace(p.Protocol) {
case ProtocolResponses:
return ProtocolResponses
case ProtocolInvocationsWS:
sawInvocationsWS = true
case ProtocolInvocations:
sawInvocations = true
}
}
if sawInvocations {
return ProtocolInvocations
}
if sawInvocationsWS {
return ProtocolInvocationsWS
}
return ""
}

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31 changes: 31 additions & 0 deletions cli/azd/extensions/azure.ai.agents/internal/cmd/nextstep/state_test.go
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Expand Up @@ -593,6 +593,37 @@ protocols:
protocols:
- protocol: invocations
version: "1.0.0"
`,
want: ProtocolInvocations,
},
{
name: "single invocations_ws protocol",
manifest: `kind: hostedAgent
protocols:
- protocol: invocations_ws
version: "2.0.0"
`,
want: ProtocolInvocationsWS,
},
{
name: "responses wins over invocations_ws regardless of order",
manifest: `kind: hostedAgent
protocols:
- protocol: invocations_ws
version: "2.0.0"
- protocol: responses
version: "2.0.0"
`,
want: ProtocolResponses,
},
{
name: "invocations wins over invocations_ws regardless of order",
manifest: `kind: hostedAgent
protocols:
- protocol: invocations_ws
version: "2.0.0"
- protocol: invocations
version: "1.0.0"
`,
want: ProtocolInvocations,
},
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