perf: bound graph-memory recall token injection - #73
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Liyuk
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Aug 17, 2026
Liyuk
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The recall context is injected on every prompt assembly. Several unbounded inputs let it grow with graph size: - tokenBudget was accepted but ignored (hardcoded 0): every recalled node was injected in full regardless of budget. - Node content was injected verbatim, including a leading name line that duplicates the XML name attribute. - Precise and generalized recall paths each ran to the full limit and were merged with only dedup, doubling node count (12 instead of 6). - Episodic provenance pulled top-3 nodes x 2 sessions at up to 500 chars. - System prompt boilerplate and per-node updated timestamps were verbose. Changes: - assemble.ts: enforce tokenBudget (greedy, highest-priority node first, always keeps >=1 node); strip the leading content name line; truncate content to contentMaxChars (default 400); tighten episodic to top-2 x 300 chars x 150 chars/msg; drop updated timestamps; condense the system prompt boilerplate. - recall.ts: precise path wins; the generalized path only backfills communities the precise path missed, capped at recallMaxNodes. - types.ts + dsh.ts + index.ts: wire recallTokenBudget (default 2000) and contentMaxChars (default 400) through config; 0 = unbounded (backward compatible). Measured on a real 897-node graph: 12->6 nodes/query and ~49% fewer injected tokens per query (2781->1424 avg). Recall quality is preserved because full node content stays available via gm_search.
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