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perf(coding-agent): avoid loading session file for auto-compaction check

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Use agent.state.messages instead of loading entries from disk
This commit is contained in:
Mario Zechner
2025-12-04 02:42:43 +01:00
parent c89b1ec3c2
commit 1a97331af1
1 changed files with 16 additions and 6 deletions
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22
packages/coding-agent/src/tui/tui-renderer.ts
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@@ -18,7 +18,7 @@ import {
} from "@mariozechner/pi-tui";
import { exec } from "child_process";
import { getChangelogPath, parseChangelog } from "../changelog.js";
import { calculateContextTokens, compact, getLastAssistantUsage, shouldCompact } from "../compaction.js";
import { calculateContextTokens, compact, shouldCompact } from "../compaction.js";
import { APP_NAME, getDebugLogPath, getModelsPath, getOAuthPath } from "../config.js";
import { exportSessionToHtml } from "../export-html.js";
import { getApiKeyForModel, getAvailableModels, invalidateOAuthCache } from "../model-config.js";
@@ -560,12 +560,22 @@ export class TuiRenderer {
const settings = this.settingsManager.getCompactionSettings();
if (!settings.enabled) return;
// Get last assistant usage
const entries = this.sessionManager.loadEntries();
const lastUsage = getLastAssistantUsage(entries);
if (!lastUsage) return;
// Get last non-aborted assistant message from agent state
const messages = this.agent.state.messages;
let lastAssistant: AssistantMessage | null = null;
for (let i = messages.length - 1; i >= 0; i--) {
const msg = messages[i];
if (msg.role === "assistant") {
const assistantMsg = msg as AssistantMessage;
if (assistantMsg.stopReason !== "aborted") {
lastAssistant = assistantMsg;
break;
}
}
}
if (!lastAssistant) return;
const contextTokens = calculateContextTokens(lastUsage);
const contextTokens = calculateContextTokens(lastAssistant.usage);
const contextWindow = this.agent.state.model.contextWindow;
if (!shouldCompact(contextTokens, contextWindow, settings)) return;