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fix: avoid invalid UTF-16 in truncation (#567)

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This commit is contained in:
Peter Steinberger
2026-01-09 14:19:25 +01:00
parent fd535a50d3
commit 63f5fa47de
7 changed files with 70 additions and 7 deletions
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3
src/agents/bash-tools.ts
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@@ -8,6 +8,7 @@ import type { AgentTool, AgentToolResult } from "@mariozechner/pi-agent-core";
import { Type } from "@sinclair/typebox";
import { logInfo } from "../logger.js";
import { sliceUtf16Safe } from "../utils.js";
import {
addSession,
appendOutput,
@@ -1041,7 +1042,7 @@ function chunkString(input: string, limit = CHUNK_LIMIT) {
function truncateMiddle(str: string, max: number) {
if (str.length <= max) return str;
const half = Math.floor((max - 3) / 2);
return `${str.slice(0, half)}...${str.slice(str.length - half)}`;
return `${sliceUtf16Safe(str, 0, half)}...${sliceUtf16Safe(str, -half)}`;
}
function sliceLogLines(

3
src/agents/pi-embedded-subscribe.ts
View File

@@ -9,6 +9,7 @@ import { resolveStateDir } from "../config/paths.js";
import { emitAgentEvent } from "../infra/agent-events.js";
import { createSubsystemLogger } from "../logging.js";
import { splitMediaFromOutput } from "../media/parse.js";
import { truncateUtf16Safe } from "../utils.js";
import type { BlockReplyChunking } from "./pi-embedded-block-chunker.js";
import { EmbeddedBlockChunker } from "./pi-embedded-block-chunker.js";
import { isMessagingToolDuplicate } from "./pi-embedded-helpers.js";
@@ -64,7 +65,7 @@ type MessagingToolSend = {
function truncateToolText(text: string): string {
if (text.length <= TOOL_RESULT_MAX_CHARS) return text;
return `${text.slice(0, TOOL_RESULT_MAX_CHARS)}\n…(truncated)…`;
return `${truncateUtf16Safe(text, TOOL_RESULT_MAX_CHARS)}\n…(truncated)…`;
}
function sanitizeToolResult(result: unknown): unknown {