1.3.0: consolidate 13 tools, add TaskSlice, >=90% test coverage, and Pentad synergy

[LucasArmstrong]

Summary of Changes in v1.3.0

• Consolidated 13 Core Tools: Streamlined graph surface, added System 1 TaskSlice extraction, and unified schema validation.
• Test Coverage: Achieved >=90% test coverage across Statements (90.01%), Lines (90.34%), and Functions (95.93%) with 463/463 passing tests.
• Multi-Node Matrix Testing: Verified npm run test:matrix passing across Node.js 18, 20, and 22 (1,389 total test executions).
• Audit & Governance: 0 npm audit vulnerabilities, documentation and manifest synchronization.