normalizeHeadings function

COUPLING PARTNERS

Co-modified in the same commits

• lib/document-tree.mjs normalizeTreePath
  2× 100%
• lib/document-tree.mjs buildDocumentTreeFromOutline
  2× 100%
• docs/DOCUMENT-TREE-V0-SPEC.md DocumentTree v0 Spec.Error Contract.code[json]@L472
  1× 50%
• docs/DOCUMENT-TREE-V0-SPEC.md DocumentTree v0 Spec.JSON Contract.Field Rules.table@L375
  1× 50%
• docs/DOCUMENT-TREE-V0-SPEC.md DocumentTree v0 Spec.JSON Contract.Field Rules.table@L386
  1× 50%
• docs/DOCUMENT-TREE-V0-SPEC.md DocumentTree v0 Spec.JSON Contract.Success Shape.code[json]@L347
  1× 50%
• docs/DOCUMENT-TREE-V0-SPEC.md DocumentTree v0 Spec.Proposed Phase Order.Phase 1B: Markdown Parser Integration
  1× 50%
• docs/DOCUMENT-TREE-V0-SPEC.md DocumentTree v0 Spec.Proposed Phase Order.Phase 1E: Hosted MCP.code[text]@L249
  1× 50%
• docs/DOCUMENT-TREE-V0-SPEC.md DocumentTree v0 Spec.Proposed Phase Order.Phase 1C: CLI.code[text]@L224
  1× 50%
• docs/DOCUMENT-TREE-V0-SPEC.md DocumentTree v0 Spec.Proposed Phase Order.Phase 1D: Self-Hosted MCP.code[text]@L235
  1× 50%
• docs/DOCUMENT-TREE-V0-SPEC.md DocumentTree v0 Spec.Proposed Phase Order.Phase 1E: Hosted MCP
  1× 50%
• docs/DOCUMENT-TREE-V0-SPEC.md DocumentTree v0 Spec.Proposed Phase Order.Phase 1E: Hosted MCP.Phase 1E Tests.code[text]@L281
  1× 50%
• docs/DOCUMENT-TREE-V0-SPEC.md DocumentTree v0 Spec.Proposed Phase Order.Phase 1E: Hosted MCP.Release-Readiness Review Gate
  1× 50%
• docs/DOCUMENT-TREE-V0-SPEC.md DocumentTree v0 Spec.Proposed Phase Order.Phase 1E: Hosted MCP.code[text]@L248
  1× 50%
• docs/DOCUMENT-TREE-V0-SPEC.md DocumentTree v0 Spec.Proposed Phase Order
  1× 50%