fix(text): keep five src-side text truncations UTF-16 safe

wangmiao0668000666 · wangmiao0668000666 · commit a8d0879089a5 · 2026-07-09T18:21:45.000+08:00
diff --git a/src/auto-reply/fallback-state.ts b/src/auto-reply/fallback-state.ts
@@ -4,6 +4,7 @@ import { formatRawAssistantErrorForUi } from "../agents/embedded-agent-helpers.j
 import { areRuntimeModelRefsEquivalent } from "../agents/model-runtime-aliases.js";
 import type { OpenClawConfig } from "../config/types.openclaw.js";
 import type { FallbackNoticeState } from "../status/fallback-notice-state.js";
+import { truncateUtf16Safe } from "../utils.js";
 import { formatProviderModelRef } from "./model-runtime.js";
 import type { RuntimeFallbackAttempt } from "./reply/agent-runner-execution.js";
 
@@ -29,7 +30,7 @@ function truncateFallbackReasonPart(value: string, max = FALLBACK_REASON_PART_MA
   if (text.length <= max) {
     return text;
   }
-  return `${text.slice(0, Math.max(0, max - 1)).trimEnd()}…`;
+  return `${truncateUtf16Safe(text, Math.max(0, max - 1)).trimEnd()}…`;
 }
 
 function formatFallbackAttemptErrorPreview(attempt: RuntimeFallbackAttempt): string | undefined {
diff --git a/src/auto-reply/reply/conversation-label-generator.ts b/src/auto-reply/reply/conversation-label-generator.ts
@@ -7,6 +7,7 @@ import {
 import type { OpenClawConfig } from "../../config/types.openclaw.js";
 import { logVerbose } from "../../globals.js";
 import type { TextContent } from "../../llm/types.js";
+import { truncateUtf16Safe } from "../../utils.js";
 
 const DEFAULT_MAX_LABEL_LENGTH = 128;
 // Reasoning models spend output tokens before emitting the short visible label.
@@ -114,7 +115,7 @@ export async function generateConversationLabel(
       return null;
     }
 
-    return text.slice(0, maxLength);
+    return truncateUtf16Safe(text, maxLength);
   } catch (err) {
     logVerbose(`conversation-label-generator: completion failed: ${String(err)}`);
     return null;
diff --git a/src/cli/plugins-list-format.ts b/src/cli/plugins-list-format.ts
@@ -2,7 +2,7 @@
 import { sanitizeTerminalText } from "../../packages/terminal-core/src/safe-text.js";
 import { theme } from "../../packages/terminal-core/src/theme.js";
 import type { PluginRecord } from "../plugins/registry.js";
-import { shortenHomeInString } from "../utils.js";
+import { shortenHomeInString, truncateUtf16Safe } from "../utils.js";
 
 export function formatPluginLine(plugin: PluginRecord, verbose = false): string {
   const status =
@@ -16,7 +16,7 @@ export function formatPluginLine(plugin: PluginRecord, verbose = false): string
   const desc = plugin.description
     ? theme.muted(
         plugin.description.length > 60
-          ? `${plugin.description.slice(0, 57)}...`
+          ? `${truncateUtf16Safe(plugin.description, 57)}...`
           : plugin.description,
       )
     : theme.muted("(no description)");
diff --git a/src/hooks/fire-and-forget.ts b/src/hooks/fire-and-forget.ts
@@ -3,6 +3,7 @@ import { logVerbose } from "../globals.js";
 import { formatErrorMessage } from "../infra/errors.js";
 import { resolveGlobalSingleton } from "../shared/global-singleton.js";
 import { resolveTimerTimeoutMs } from "../shared/number-coercion.js";
+import { truncateUtf16Safe } from "../utils.js";
 
 const DEFAULT_MAX_CONCURRENT_FIRE_AND_FORGET_HOOKS = 16;
 const DEFAULT_MAX_QUEUED_FIRE_AND_FORGET_HOOKS = 256;
@@ -72,7 +73,7 @@ export function formatHookErrorForLog(err: unknown): string {
   const formatted = replaceLogControlCharacters(formatErrorMessage(err))
     .replace(/\s+/g, " ")
     .trim();
-  return (formatted || "unknown error").slice(0, MAX_HOOK_LOG_MESSAGE_LENGTH);
+  return truncateUtf16Safe(formatted || "unknown error", MAX_HOOK_LOG_MESSAGE_LENGTH);
 }
 
 /** Run a hook promise without awaiting it, logging rejection safely. */

Original file line number	Diff line number	Diff line change
`@@ -4,6 +4,7 @@ import { formatRawAssistantErrorForUi } from "../agents/embedded-agent-helpers.j`
`4`	`4`	`import { areRuntimeModelRefsEquivalent } from "../agents/model-runtime-aliases.js";`
`5`	`5`	`import type { OpenClawConfig } from "../config/types.openclaw.js";`
`6`	`6`	`import type { FallbackNoticeState } from "../status/fallback-notice-state.js";`
	`7`	`+import { truncateUtf16Safe } from "../utils.js";`
`7`	`8`	`import { formatProviderModelRef } from "./model-runtime.js";`
`8`	`9`	`import type { RuntimeFallbackAttempt } from "./reply/agent-runner-execution.js";`
`9`	`10`
`@@ -29,7 +30,7 @@ function truncateFallbackReasonPart(value: string, max = FALLBACK_REASON_PART_MA`
`29`	`30`	`if (text.length <= max) {`
`30`	`31`	`return text;`
`31`	`32`	`}`
`32`		- return `${text.slice(0, Math.max(0, max - 1)).trimEnd()}…`;
	`33`	+ return `${truncateUtf16Safe(text, Math.max(0, max - 1)).trimEnd()}…`;
`33`	`34`	`}`
`34`	`35`
`35`	`36`	`function formatFallbackAttemptErrorPreview(attempt: RuntimeFallbackAttempt): string \| undefined {`