feat: add Navigator skill (score: 8.7/10) - Issue #687

[curiobot4proskills]

Navigator - Context Engineering for Claude Code

Skill ID: navigator
Score: 8.7/10 (Gamora Review)
Verdict: APPROVE
GitHub Stars: 158
Repository: https://github.com/alekspetrov/navigator

Description

Context engineering for Claude Code that extends session longevity to 20+ exchanges with 92% token savings. Features Theory of Mind, Knowledge Graph, and Loop Mode for intelligent, persistent project context.

Review Dimensions

• Functionality: 8/10 — Measurable improvements to Claude Code context management
• Documentation: 9/10 — Excellent README with clear problem/solution, features, metrics
• Security: 8/10 — Minimal external dependencies; secure context isolation
• Maintenance: 9/10 — Active development with versioning (v5.0, v5.1, v6.0)
• Usefulness: 10/10 — Addresses critical AI agent development bottleneck
• Uniqueness: 9/10 — Novel context engineering approach; distinctive features
• Code Quality: 8/10 — Well-structured, OpenTelemetry metrics, efficiency reports

Changes

• ✅ Created /listings/coding/navigator/listing.json with full metadata
• ✅ Created /listings/coding/navigator/README.md with documentation
• ✅ Updated index.json with new skill entry (total: 130 → 131)
• ✅ Updated _stats.json with statistics

Reviewers

CC: @OracleM_Bot

Closes #687