nandi.uk
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Reuse island-analyzer agent across runs
Store agent ID in SQLite config table. First run creates the agent,
subsequent runs reuse it — no more creating a new agent each time.
👾 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, 6:32 AM UTC)
commit
583b5964
583b59646e1c5f07858dcf2bbb550ab4643c3e9d
parent
ccebf5c6
ccebf5c666213cdb7c5ee2295b41f2a26e88eea5
+30
-14
+30
-14
src/island-analyze.ts
+30
-14
src/island-analyze.ts
···
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new_connections TEXT,
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analyzed_at TEXT NOT NULL
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);
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CREATE TABLE IF NOT EXISTS config (
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key TEXT PRIMARY KEY,
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value TEXT NOT NULL
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);
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`);
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return db;
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}
···
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console.error(`Analyzing ${targets.length} island(s)...`);
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// Create agent
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const agentId = await createAgent({
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model,
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persona: `You are a research analyst that synthesizes connected components (islands) from a knowledge graph into structured analysis records.
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// Reuse existing agent or create one
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const sessionOpts: Record<string, unknown> = {
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tools: [islandSaveTool],
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permissionMode: 'bypassPermissions' as const,
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};
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if (model) sessionOpts.model = model;
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let agentId: string;
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const savedAgentId = (db.query('SELECT value FROM config WHERE key = ?').get('island_analyzer_agent_id') as { value: string } | null)?.value;
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if (savedAgentId) {
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agentId = savedAgentId;
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console.error(`Reusing agent: ${agentId}`);
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} else {
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agentId = await createAgent({
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persona: `You are a research analyst that synthesizes connected components (islands) from a knowledge graph into structured analysis records.
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Given an island — a cluster of URLs connected by semantic edges — you MUST call the island_save tool with your analysis. Do NOT just write text — you MUST use the island_save tool call.
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···
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- newConnections: suggested new edges between vertices
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CRITICAL: You MUST call island_save. Do not just describe your analysis in text. Call the tool.`,
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human: 'island-analyzer',
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tools: [islandSaveTool],
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permissionMode: 'bypassPermissions',
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memfs: false,
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systemInfoReminder: false,
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});
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console.error(`Created agent: ${agentId}`);
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human: 'island-analyzer',
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tools: [islandSaveTool],
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permissionMode: 'bypassPermissions',
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memfs: false,
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systemInfoReminder: false,
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});
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db.query('INSERT INTO config (key, value) VALUES (?, ?) ON CONFLICT(key) DO UPDATE SET value=excluded.value').run('island_analyzer_agent_id', agentId);
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console.error(`Created agent: ${agentId}`);
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}
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const session = createSession(agentId, {
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memfsStartup: 'skip',
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tools: [islandSaveTool],
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permissionMode: 'bypassPermissions',
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...sessionOpts,
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});
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await session.initialize();