nandi.uk
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Fix island:analyze: use runTurn, restrict to island_save tool
- Revert to runTurn() — stream() yields token deltas not messages
- Add allowedTools: [island_save] so agent cant use memory or other
built-in tools
- Remove unused SDKMessage import
👾 Generated with [Letta Code](https://letta.com)
Co-Authored-By: Letta Code <noreply@letta.com>
author
nandi
co-author
Letta Code
date
(May 15, 2026, 6:14 AM UTC)
commit
03409f52
03409f52c74cdaaa42bd47eb72e58fc7ddbc0851
parent
ccf0dce8
ccf0dce893ddbb769aaf8dfc8b4e87527b86e39d
+2
-20
+2
-20
src/island-analyze.ts
+2
-20
src/island-analyze.ts
···
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type AnyAgentTool,
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type AgentToolResult,
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type SDKResultMessage,
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type SDKMessage,
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} from '@letta-ai/letta-code-sdk';
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import { loadDotEnv } from './cli-utils.js';
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import { findComponents, domainFromUrl, type Component, type EdgeRow, fetchComponentEdges, resolveDidHandles } from './island-shared.js';
···
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You always call island_save once when done. You do not ask for permission.`,
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human: 'island-analyzer',
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tools: [islandSaveTool],
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allowedTools: ['island_save'],
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permissionMode: 'bypassPermissions',
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memfs: false,
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systemInfoReminder: false,
···
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${context}`;
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// Send prompt and stream agent output in real-time
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session.send(prompt);
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for await (const msg of session.stream()) {
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if (msg.type === 'assistant') {
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console.error(` [agent] ${msg.content}`);
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} else if (msg.type === 'tool_call') {
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const input = JSON.stringify(msg.toolInput);
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console.error(` [tool:${msg.toolName}] ${input.slice(0, 200)}${input.length > 200 ? '...' : ''}`);
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} else if (msg.type === 'tool_result') {
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console.error(` [result] ${msg.content.slice(0, 100)}${msg.content.length > 100 ? '...' : ''}`);
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} else if (msg.type === 'result') {
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// Terminal result — stream ends
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const r = msg as SDKResultMessage;
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if (!r.success) {
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console.error(` Agent failed: ${r.error ?? r.errorCode ?? 'unknown'}`);
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}
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break;
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}
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}
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const result: SDKResultMessage = await session.runTurn(prompt);
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if (!result.success) {
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console.error(` Agent failed: ${result.error ?? result.errorCode ?? 'unknown'}`);