earendil-works/pi · error · Error

No model available for summarization

Error message

No model available for summarization

What it means

Error "No model available for summarization" thrown in earendil-works/pi.

Source

Thrown at packages/coding-agent/src/core/agent-session.ts:3047

	 */
	async navigateTree(
		targetId: string,
		options: { summarize?: boolean; customInstructions?: string; replaceInstructions?: boolean; label?: string } = {},
	): Promise<{ editorText?: string; cancelled: boolean; aborted?: boolean; summaryEntry?: BranchSummaryEntry }> {
		if (this.isStreaming) {
			throw new Error("Wait for the current response to finish before navigating the session tree.");
		}

		const oldLeafId = this.sessionManager.getLeafId();

		// No-op if already at target
		if (targetId === oldLeafId) {
			return { cancelled: false };
		}

		// Model required for summarization
		if (options.summarize && !this.model) {
			throw new Error("No model available for summarization");
		}

		const targetEntry = this.sessionManager.getEntry(targetId);
		if (!targetEntry) {
			throw new Error(`Entry ${targetId} not found`);
		}

		// Collect entries to summarize (from old leaf to common ancestor)
		const { entries: entriesToSummarize, commonAncestorId } = collectEntriesForBranchSummary(
			this.sessionManager,
			oldLeafId,
			targetId,
		);

		// Prepare event data - mutable so extensions can override
		let customInstructions = options.customInstructions;
		let replaceInstructions = options.replaceInstructions;
		let label = options.label;

View on GitHub (pinned to 4af9d21d3b)

When it happens

Trigger: Thrown at packages/coding-agent/src/core/agent-session.ts:3047 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of earendil-works/pi@4af9d21d3b (2026-08-24). Data as JSON: /api/errors/307385ffc31e0ed4. Report an issue: GitHub.