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fix: exclude __words__ keyword index from corruption detection and getStats()

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The __words__ keyword index stores 50-5000 entries per entity (one per
word), which inflated avg entries/entity well above the corruption
threshold of 100. This caused:

1. validateConsistency() to falsely detect corruption on every startup,
   triggering unnecessary clearAllIndexData() + rebuild() cycles
2. getStats() to log false "Metadata index may be corrupted" warnings
   and report inflated totalEntries/totalIds stats

Both methods now skip __words__ when counting, so stats and health
checks reflect metadata fields only (noun, type, createdAt, etc.).
Keyword search is unaffected since the __words__ field index itself
is not modified.
This commit is contained in:
David Snelling 2026-01-27 15:38:21 -08:00
parent 32dbdcec61
commit 364360d447
128 changed files with 5637 additions and 5682 deletions
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6
src/utils/metadataIndexChunking.ts
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@ -592,7 +592,7 @@ export class ChunkManager {
const data = await this.storage.getMetadata(chunkPath)
if (data) {
// v4.0.0: Cast NounMetadata to chunk data structure
// Cast NounMetadata to chunk data structure
const chunkData = data as unknown as any
// Deserialize: convert serialized roaring bitmaps back to RoaringBitmap32 objects
@ -633,7 +633,7 @@ export class ChunkManager {
this.chunkCache.set(cacheKey, chunk)
// Serialize: convert RoaringBitmap32 to portable format (Buffer)
// v4.0.0: Add required 'noun' property for NounMetadata
// Add required 'noun' property for NounMetadata
const serializable = {
noun: 'IndexChunk', // Required by NounMetadata interface
chunkId: chunk.chunkId,
@ -825,7 +825,7 @@ export class ChunkManager {
this.chunkCache.delete(cacheKey)
const chunkPath = this.getChunkPath(field, chunkId)
// v4.0.0: null signals deletion to storage adapter
// null signals deletion to storage adapter
await this.storage.saveMetadata(chunkPath, null as any)
}