Engram v1.14.2 — MCP implicit session sync fix

Patch release for MCP users syncing with Engram Cloud.

Fixed

• MCP implicit/default sessions now persist the process current working directory.
• Session upsert sync mutations created by MCP now include a valid directory field.
• Fixes cloud sync failures like:

canonicalize cloud chunk: mutations[N]: session payload directory is required for upsert

Validation

• Added regression coverage for mem_save, mem_save_prompt, and mem_session_summary.
• CI is green for 39d48e9.

Upgrade

brew upgrade engram