diff --git a/apps/desktop/src/renderer/lib/terminal/debug.ts b/apps/desktop/src/renderer/lib/terminal/debug.ts
index 5f7db22136e..e4a868b9443 100644
--- a/apps/desktop/src/renderer/lib/terminal/debug.ts
+++ b/apps/desktop/src/renderer/lib/terminal/debug.ts
@@ -23,6 +23,7 @@ export const terminalRendererDebug = createRendererDebugChannel({
 	namespace: "terminal.renderer",
 	enabled: true,
 	mirrorToConsole: isTerminalDebugEnabled(),
+	captureMessageByDefault: false,
 });
 
 export function logTerminalWrite(
diff --git a/apps/desktop/src/renderer/lib/terminal/terminal-runtime-registry.ts b/apps/desktop/src/renderer/lib/terminal/terminal-runtime-registry.ts
index ceb33c7f7fc..9bd121e8da7 100644
--- a/apps/desktop/src/renderer/lib/terminal/terminal-runtime-registry.ts
+++ b/apps/desktop/src/renderer/lib/terminal/terminal-runtime-registry.ts
@@ -71,18 +71,11 @@ class TerminalRuntimeRegistryImpl {
 		appearance: TerminalAppearance,
 	) {
 		const entry = this.getOrCreateEntry(terminalId);
-		terminalRendererDebug.info(
-			"runtime-attach",
-			{
-				terminalId,
-				hasExistingRuntime: entry.runtime !== null,
-				connectionState: entry.transport.connectionState,
-			},
-			{
-				captureMessage: true,
-				fingerprint: ["terminal.renderer", "runtime-attach"],
-			},
-		);
+		terminalRendererDebug.info("runtime-attach", {
+			terminalId,
+			hasExistingRuntime: entry.runtime !== null,
+			connectionState: entry.transport.connectionState,
+		});
 
 		if (!entry.runtime) {
 			entry.runtime = createRuntime(terminalId, appearance);
diff --git a/apps/desktop/src/renderer/lib/terminal/terminal-runtime.ts b/apps/desktop/src/renderer/lib/terminal/terminal-runtime.ts
index becd0e7a03a..3b9f41c49da 100644
--- a/apps/desktop/src/renderer/lib/terminal/terminal-runtime.ts
+++ b/apps/desktop/src/renderer/lib/terminal/terminal-runtime.ts
@@ -318,18 +318,11 @@ export function attachToContainer(
 
 	runtime.container = container;
 	container.appendChild(runtime.wrapper);
-	terminalRendererDebug.info(
-		"runtime-attach-to-container",
-		{
-			terminalId: runtime.terminalId,
-			containerWidth: container.clientWidth,
-			containerHeight: container.clientHeight,
-		},
-		{
-			captureMessage: true,
-			fingerprint: ["terminal.renderer", "runtime-attach-to-container"],
-		},
-	);
+	terminalRendererDebug.info("runtime-attach-to-container", {
+		terminalId: runtime.terminalId,
+		containerWidth: container.clientWidth,
+		containerHeight: container.clientHeight,
+	});
 	measureAndResize(runtime);
 
 	// Renderer may have skipped frames while the wrapper was detached.
diff --git a/apps/desktop/src/renderer/screens/main/components/WorkspaceView/ContentView/TabsContent/Terminal/helpers.ts b/apps/desktop/src/renderer/screens/main/components/WorkspaceView/ContentView/TabsContent/Terminal/helpers.ts
index f86e6746a3e..f842e4ed1a2 100644
--- a/apps/desktop/src/renderer/screens/main/components/WorkspaceView/ContentView/TabsContent/Terminal/helpers.ts
+++ b/apps/desktop/src/renderer/screens/main/components/WorkspaceView/ContentView/TabsContent/Terminal/helpers.ts
@@ -158,14 +158,9 @@ export function createTerminalInWrapper(options: CreateTerminalOptions = {}): {
 
 			try {
 				webglAddon = new WebglAddon();
-				terminalRendererDebug.info(
-					"webgl-addon-loaded",
-					{ suggestedRendererType: suggestedRendererType ?? "auto" },
-					{
-						captureMessage: true,
-						fingerprint: ["terminal.renderer", "webgl-loaded"],
-					},
-				);
+				terminalRendererDebug.info("webgl-addon-loaded", {
+					suggestedRendererType: suggestedRendererType ?? "auto",
+				});
 				webglAddon.onContextLoss(() => {
 					webglAddon?.dispose();
 					webglAddon = null;
diff --git a/apps/desktop/src/renderer/screens/main/components/WorkspaceView/ContentView/TabsContent/Terminal/hooks/useTerminalLifecycle.ts b/apps/desktop/src/renderer/screens/main/components/WorkspaceView/ContentView/TabsContent/Terminal/hooks/useTerminalLifecycle.ts
index fa3efc25bd2..af196eb37c3 100644
--- a/apps/desktop/src/renderer/screens/main/components/WorkspaceView/ContentView/TabsContent/Terminal/hooks/useTerminalLifecycle.ts
+++ b/apps/desktop/src/renderer/screens/main/components/WorkspaceView/ContentView/TabsContent/Terminal/hooks/useTerminalLifecycle.ts
@@ -226,11 +226,7 @@ export function useTerminalLifecycle({
 		if (DEBUG_TERMINAL) {
 			console.log(`[Terminal] Mount: ${paneId}`);
 		}
-		terminalRendererDebug.info(
-			"mount",
-			{ paneId, workspaceId },
-			{ captureMessage: true, fingerprint: ["terminal.renderer", "mount"] },
-		);
+		terminalRendererDebug.info("mount", { paneId, workspaceId });
 
 		// Cancel pending detach from previous unmount
 		const pendingDetach = pendingDetaches.get(paneId);
diff --git a/apps/desktop/src/renderer/screens/main/components/WorkspaceView/ContentView/TabsContent/Terminal/hooks/useTerminalRestore.ts b/apps/desktop/src/renderer/screens/main/components/WorkspaceView/ContentView/TabsContent/Terminal/hooks/useTerminalRestore.ts
index c78a12996a8..3e06035d4a2 100644
--- a/apps/desktop/src/renderer/screens/main/components/WorkspaceView/ContentView/TabsContent/Terminal/hooks/useTerminalRestore.ts
+++ b/apps/desktop/src/renderer/screens/main/components/WorkspaceView/ContentView/TabsContent/Terminal/hooks/useTerminalRestore.ts
@@ -92,18 +92,11 @@ export function useTerminalRestore({
 			0,
 			pendingEventsRef.current.length,
 		);
-		terminalRendererDebug.info(
-			"flush-pending-events",
-			{
-				paneId,
-				eventCount: events.length,
-				dataEvents: events.filter((event) => event.type === "data").length,
-			},
-			{
-				captureMessage: true,
-				fingerprint: ["terminal.renderer", "flush-pending-events"],
-			},
-		);
+		terminalRendererDebug.info("flush-pending-events", {
+			paneId,
+			eventCount: events.length,
+			dataEvents: events.filter((event) => event.type === "data").length,
+		});
 		for (const event of events) {
 			if (event.type === "data") {
 				terminalRendererDebug.observe(
diff --git a/apps/desktop/src/renderer/screens/main/components/WorkspaceView/ContentView/TabsContent/Terminal/v1-terminal-cache.ts b/apps/desktop/src/renderer/screens/main/components/WorkspaceView/ContentView/TabsContent/Terminal/v1-terminal-cache.ts
index 93210cf4fe0..5ec1d8e2cf7 100644
--- a/apps/desktop/src/renderer/screens/main/components/WorkspaceView/ContentView/TabsContent/Terminal/v1-terminal-cache.ts
+++ b/apps/desktop/src/renderer/screens/main/components/WorkspaceView/ContentView/TabsContent/Terminal/v1-terminal-cache.ts
@@ -118,18 +118,11 @@ export function attachToContainer(
 
 	container.appendChild(entry.wrapper);
 	entry.openOnce();
-	terminalRendererDebug.info(
-		"cache-attach-to-container",
-		{
-			paneId,
-			hasSubscription: entry.subscription !== null,
-			streamReady: entry.streamReady,
-		},
-		{
-			captureMessage: true,
-			fingerprint: ["terminal.renderer", "cache-attach-to-container"],
-		},
-	);
+	terminalRendererDebug.info("cache-attach-to-container", {
+		paneId,
+		hasSubscription: entry.subscription !== null,
+		streamReady: entry.streamReady,
+	});
 
 	if (container.clientWidth > 0 && container.clientHeight > 0) {
 		entry.fitAddon.fit();
diff --git a/apps/desktop/src/shared/debug-channel.ts b/apps/desktop/src/shared/debug-channel.ts
index 0cb61e8354c..26cf5f389ad 100644
--- a/apps/desktop/src/shared/debug-channel.ts
+++ b/apps/desktop/src/shared/debug-channel.ts
@@ -31,6 +31,9 @@ export interface DebugChannelOptions {
 	transport?: DebugChannelTransport;
 	mirrorToConsole?: boolean;
 	maxStringLength?: number;
+	// true (default) の場合、aggregate flush が captureMessage を送る。
+	// false にすると aggregate は Breadcrumb だけを残す。
+	captureMessageByDefault?: boolean;
 }
 
 export interface DebugLogOptions {
@@ -123,6 +126,7 @@ export class DebugChannel {
 	private readonly transport?: DebugChannelTransport;
 	private readonly mirrorToConsole: boolean;
 	private readonly maxStringLength: number;
+	private readonly captureMessageByDefault: boolean;
 	private readonly aggregates = new Map<string, AggregateState>();
 
 	constructor(options: DebugChannelOptions) {
@@ -131,6 +135,7 @@ export class DebugChannel {
 		this.transport = options.transport;
 		this.mirrorToConsole = options.mirrorToConsole ?? true;
 		this.maxStringLength = options.maxStringLength ?? DEFAULT_MAX_STRING_LENGTH;
+		this.captureMessageByDefault = options.captureMessageByDefault ?? true;
 	}
 
 	log(
@@ -250,7 +255,7 @@ export class DebugChannel {
 					key,
 					metric,
 					options?.level ?? "info",
-					options?.captureMessage ?? true,
+					options?.captureMessage ?? this.captureMessageByDefault,
 				);
 			}, intervalMs);
 		}
@@ -259,7 +264,7 @@ export class DebugChannel {
 	flushAll(): void {
 		for (const key of this.aggregates.keys()) {
 			const [metric] = key.split(":");
-			this.flushAggregate(key, metric, "info", true);
+			this.flushAggregate(key, metric, "info", this.captureMessageByDefault);
 		}
 	}