docs(nanobench): finalize architecture, governance, and resolve #60

[RONAK-AI647]

Related Issues

Resolves #60 (NanoBench: public review closed, request for a final version).
Closes #34, #35, #36, #37.

Description

This PR finalizes the NanoBench whitepaper following the conclusion of the public review window. It systematically addresses the final checklist provided by maintainers, migrating the document from a "proposed architecture" to a "settled protocol."

What this PR does

Specifically, this applies the following requested updates section by section:

• §1 & §6 (Orchestration): Removed hardcoded Python and (TS) labels. Explicitly recorded that the evaluation core's orchestration language is the maintainer's choice, provided the --json schema validation contract is strictly enforced.
• §7, §11, & §12 (Contamination & Extraction Gates):
  • Removed unbacked claims regarding "Jaccard similarity checks" and "algorithmic code indexes," moving them to the v2 roadmap.
  • Grounded the v1 contamination defense entirely in highly auditable post-cutoff merge dates and immutable pinned SHAs.
  • Added the missing Flakiness Gate (requiring 3 consecutive deterministic test runs at base_commit) to the extraction methodology.
• §9.2 (Taxonomy Audit Rules): Documented the Level 4 signal audit protocol. This includes the 90% agreement fallback rule, the mandatory blinding protocol for future reviewers, and the explicit limitation acknowledging the v1 maintainer's unblinded status.
• §14 (Governance & Curation Decisions): Completely rewrote the former "Open Questions" section. It now formally records the dataset ownership pipeline, the bifurcated validation gates, and the task retirement/dispute protocols.

Type of Change

• Documentation update

[RONAK-AI647]

@will-lamerton Take a look , and let me know how it is !!
The PR Nano-Collective/nanocoder#821 dealing with the 'usage' block is also opened !!