The indexing process on the Windows 11 system is slow

[c00134744]

1. On Windows 11, using Codanna, the code repo has over 21,900 files to index.
2. Indexing takes 2,542 seconds, with CPU usage spiking over 90%. Started at 100 files/sec, then crawled down to just 3/sec.
3. Resolving relationships takes 2,564 seconds, CPU crawling at around 10%.
4. Final save roughly 5 minutes.
5. Settings:
   parallel_threads = 20
   tantivy_heap_mb = 100
   model = "MultilingualE5Small"
6. Detail info:

PS D:\code\repo> codanna index . --progress
Skipping . (already covered by \?\D:\code\repo)
Indexing directory: .
Progress: [▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮] 100%
21906/21906 files | 21906 indexed | 9/s | 2542.0s
Progress: [▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮▮] 100%
1220613/1220613 relationships | 52832 resolved | 1231147 skipped | 476/s | 2564.2s

Indexing Complete:
Files indexed: 21906
Files failed: 0
Symbols found: 601616
Time elapsed: 5107.00s
Performance: 4 files/second
Average symbols/file: 27.5

Saving index with 601616 total symbols, 149372 total relationships...
Index saved to: .codanna\index