Knowledge / Office / Research Matrix (S2 — v2 capability-based)

Scenario S2. Strongest coverage in the current ecosystem: search, reference management, notes, synthesis, documents, and diagrams all have first-party harnesses; Python/native fallbacks fill the rest.

Schema: docs/cli-matrix/matrix_registry.schema.md. Matrix plan: docs/cli-matrix/cli-matrix-plan.md.

Install

cli-hub matrix install knowledge-research
cli-hub matrix info    knowledge-research
cli-hub matrix preflight knowledge-research --json

Provider selection constraints