* Feat: add documents to the kg
* Feat: add versioning to documents
* Fix: invalidation of evolved facts
* fix: mcp return
* fix: invalidAt is not displayed in graph popover
* Fix: use document id for the flow
* refactor: consolidate document versioning around sessionId instead of documentId
* fix: add docs link in welcome email
* fix: give more time for larger graphs to settle on
* bump: new version 0.1.20
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Co-authored-by: Manoj K <saimanoj58@gmail.com>
