[Bug] Bookshelf ingest silently drops documents whose graphrag-zero path exceeds Windows MAX_PATH (260)

[Jake Smith (jsmith13)]

Which Microsoft Discovery surface?

Microsoft Discovery app (Windows desktop client)

For Services bugs only — which area in this repo?

N/A — this is an app bug

Specific catalog item (Services only)

No response

Microsoft Discovery app version

No response

OS version (app only)

No response

What were you trying to do?

Add documents to bookshelf

Steps to reproduce

Ingest documents into bookshelf

Expected behavior

Documents are added

Actual behavior

Bookshelf ingest silently drops documents whose graphrag-zero path exceeds Windows MAX_PATH (260)

Logs and diagnostics

No response

Severity

Major — Workaround exists, but it's painful

Confirmations

• I have searched existing Bugs discussions before posting.
• This report contains no sensitive, regulated, or proprietary data (no subscription IDs, tenant IDs, tokens, customer data, etc.).
• If this is a Services bug, it concerns catalog content in this repo (agent, starter-kit, tool, skill, docs, or utility) — not general Discovery services platform issues. (Tick N/A if this is an app bug.)

[Steven Truitt (stevetru1)]

Thanks - tracking ID 2839577