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Support different cli output formats: text, json, streaming json #10812

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Merged
cte merged 3 commits into from
Jan 18, 2026
Merged

Support different cli output formats: text, json, streaming json #10812

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9f4c922
Support different output formats: text, json, streaming json
cte Jan 18, 2026
5b36b05
More cleanup
cte Jan 18, 2026
d9805c4
fix: use process.stdout.write for JSON error output instead of suppre…
roomote Jan 18, 2026
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30 changes: 14 additions & 16 deletions apps/cli/src/agent/extension-host.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -153,7 +153,10 @@ export class ExtensionHost extends EventEmitter implements ExtensionHostInterfac
super()

this.options = options
this.options.integrationTest = true

// Set up quiet mode early, before any extension code runs.
// This suppresses console output from the extension during load.
this.setupQuietMode()

// Initialize client - single source of truth for agent state (including mode).
this.client = new ExtensionClient({
Expand All @@ -162,9 +165,7 @@ export class ExtensionHost extends EventEmitter implements ExtensionHostInterfac
})

// Initialize output manager.
this.outputManager = new OutputManager({
disabled: options.disableOutput,
})
this.outputManager = new OutputManager({ disabled: options.disableOutput })

// Initialize prompt manager with console mode callbacks.
this.promptManager = new PromptManager({
Expand Down Expand Up @@ -222,8 +223,6 @@ export class ExtensionHost extends EventEmitter implements ExtensionHostInterfac
this.initialSettings.reasoningEffort = this.options.reasoningEffort
}
}

this.setupQuietMode()
}

// ==========================================================================
Expand Down Expand Up @@ -267,7 +266,8 @@ export class ExtensionHost extends EventEmitter implements ExtensionHostInterfac
// ==========================================================================

private setupQuietMode(): void {
if (this.options.integrationTest) {
// Skip if already set up or if integrationTest mode
if (this.originalConsole || this.options.integrationTest) {
return
}

Expand All @@ -292,18 +292,16 @@ export class ExtensionHost extends EventEmitter implements ExtensionHostInterfac
}

private restoreConsole(): void {
if (this.options.integrationTest) {
if (!this.originalConsole) {
return
}

if (this.originalConsole) {
console.log = this.originalConsole.log
console.warn = this.originalConsole.warn
console.error = this.originalConsole.error
console.debug = this.originalConsole.debug
console.info = this.originalConsole.info
this.originalConsole = null
}
console.log = this.originalConsole.log
console.warn = this.originalConsole.warn
console.error = this.originalConsole.error
console.debug = this.originalConsole.debug
console.info = this.originalConsole.info
this.originalConsole = null

if (this.originalProcessEmitWarning) {
process.emitWarning = this.originalProcessEmitWarning
Expand Down
1 change: 1 addition & 0 deletions apps/cli/src/agent/index.ts
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Original file line number Diff line number Diff line change
@@ -1 +1,2 @@
export * from "./extension-host.js"
export * from "./json-event-emitter.js"
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