refactor(docs): extract 42 Ideas vision into VISION.md

[kitelev]

Summary

• Extract the "42 Unique IT Ideas" section from README.md into a new VISION.md document
• Add implementation status column (Implemented / Partial / Planned / Conceptual) based on verified code existence
• Replace the 75-line ideas listing in README with a compact 19-line summary linking to VISION.md
• Preserve Ethics & Principles section in both documents

Closes #2402

Changes

New file: VISION.md

• All 42 ideas with descriptions preserved from README
• Status column: 5 Implemented, 2 Partial, 2 Planned, 33 Conceptual
• Grouped into 4 sections: Core Architecture, Semantic Layer, Process & Methodology, Advanced Concepts

Modified: README.md

• Replaced "42 Unique IT Ideas" section (lines 118-193) with compact "Vision" summary
• Links to VISION.md for full details
• Highlights 4 key implemented features
• Condensed Ethics section

Not touched:

• Top-level "Vision" section (lines 15-32) remains unchanged
• All other README sections preserved

Test plan

• Docs-only change, no code modifications
• Pre-commit hooks pass (lint, prettier, BDD, Archgate)
• Top Vision section (lines 15-32) preserved
• Architecture section follows immediately after new compact section