# ConPort docs
docs_version: 02bf6c193c91

- [Canonical Cross-Reference Grammar](/docs/core/cross-references.md)
- [Documentation Graph Callouts](/docs/core/documentation-callouts.md)
- [Knowledge Graph Model](/docs/core/graph-model.md)
- [Post-Write Verification](/docs/core/post-write-verification.md)
- [Save First, Not Last](/docs/core/save-first.md)
- [Block-Level Document Model](/docs/projects/block-model.md)
- [Context Recipes](/docs/projects/context-recipes.md)
- [Knowledge Base Gaps](/docs/projects/gaps.md)
- [Semantic Pass](/docs/projects/semantic-pass.md)
- [Spec Append-Only Invariant](/docs/projects/spec-append-only.md)
- [Task Hierarchy (2 Levels, Schema-Enforced)](/docs/projects/task-hierarchy.md)
- [Project Tool Reference](/docs/projects/tool-reference.md)