docs: complete NJS-GROWTH-04 AI docs contract

[SebaSOFT]

Summary

• closes the remaining NJS-GROWTH-04 gaps found against chaos-vault
• adds comparison starting points to llms.txt and expands llms-full.txt into a full no-chrome AI corpus
• adds CLAUDE.md and package-level llms/llmsFull autodiscovery fields
• expands n8n/LangGraph assistant guidance and fixes malformed Markdown fences in both official AI skill copies
• adds a patch changeset for package metadata/docs contract completion

Validation

• git diff --check
• yarn lint
• yarn test
• yarn examples
• yarn build
• yarn docs:build
• npm pack --dry-run

[gemini-code-assist]

Code Review

This pull request completes the AI-readable documentation contract for @sebasoft/neuron-js by adding package-level autodiscovery fields, Claude guidance, n8n and LangGraph patterns, and richer documentation. The review comments correctly identify potential TypeErrors in the documentation's TypeScript examples where optional errors arrays are spread without checking for undefined. These should be resolved using the nullish coalescing operator as suggested.

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