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Memory leak fixes #64

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Merged
ericwood73 merged 2 commits into from
Feb 8, 2026
Merged

Memory leak fixes #64

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10c6bf5
Refactor listThreadIds to ensure saver is initialized and improve Pos…
ericwood73 Feb 8, 2026
092fa75
Merge branch 'main' of https://github.com/chaincraftgames/game-builde…
ericwood73 Feb 8, 2026
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7 changes: 3 additions & 4 deletions src/ai/memory/checkpoint-memory.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -155,12 +155,12 @@ export async function listThreadIds(graphType: string): Promise<string[]> {
await initialize();

const db = await getOrCreateDatabase(graphType);
const saver = await getSaver('list-threads', graphType); // Ensure saver is initialized
const ids = new Set<string>();

if (db.backend === "postgres" && db.sharedSaver) {
if (db.backend === "postgres") {
// For PostgreSQL: query distinct thread_ids directly (much more efficient than loading checkpoints)
const postgresaver = db.sharedSaver as PostgresSaver;
const pool = (postgresaver as any).pool as Pool;
const pool = (saver as any).pool as Pool;
const result = await pool.query(
'SELECT DISTINCT thread_id FROM checkpoints ORDER BY thread_id'
);
Expand All @@ -169,7 +169,6 @@ export async function listThreadIds(graphType: string): Promise<string[]> {
}
} else {
// For SQLite: use limited checkpoint list
const saver = await getSaver('list-threads', graphType);
for await (const checkpoint of saver.list({}, { limit: 100 })) {
const threadId = checkpoint.config?.configurable?.thread_id;
if (threadId) {
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