ARIA: dedupe shortTermTracking entries in working memory - #363
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The same 'daily self-improve nudge' string was appended on every reflect tick and only capped at 25 items, so working memory carried 25 identical copies that were injected into every think/reflect prompt — wasting tokens and drowning out real tracking items. Fix in backend/memory/working-memory.ts: - New dedupeTracking() helper: normalized exact-match dedupe (trimmed, case-insensitive), keeps the last occurrence so item order still reflects recency, and drops blank entries. - Applied on load (cleans already-bloated persisted state on next read), on updateWorkingMemory writes, and in cleanupWorkingMemory before capping. - Lowered MAX_TRACKING_ITEMS from 25 to 10 to keep the prompt footprint small now that duplicates no longer inflate the list. Intent-summary: Working memory shortTermTracking accumulated identical entries (25 copies of the daily self-improve nudge) because nothing deduplicated the array on write, bloating every brain prompt. Intent-tokens: dedupe, working-memory, shorttermtracking, duplicates, prompt-bloat, nudge, tokens Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Problem
Working memory's
shortTermTrackingarray is injected into every think/reflect prompt. The "daily self-improve nudge" string was appended on every reflect tick with no dedupe, andcleanupWorkingMemoryonly capped the list at 25 items — so on 2026-08-26 the array held exactly 25 identical copies of the nudge, bloating every brain prompt and drowning out real tracking items.Fix (
backend/memory/working-memory.ts)dedupeTracking()helper: normalized exact-match dedupe (trimmed, case-insensitive). Keeps the last occurrence so item order still reflects recency, and drops blank entries.loadWorkingMemory()— cleans the already-bloated persisted state on next read, no migration needed.updateWorkingMemory()— dedupes incomingshortTermTrackingwrites.cleanupWorkingMemory()— dedupes before capping;trackingTrimmednow counts both deduped and capped removals.MAX_TRACKING_ITEMSfrom 25 to 10, since duplicates no longer inflate the list and ~10 items keeps the prompt footprint small.Verification
tsc --noEmitpasses clean against main.🤖 Generated with Claude Code