Progressive disclosure

Workflow-level contract for Progressive disclosure.

Intent

Keep the workflow explicit and task-oriented; separate navigation, context and actions.

States

Initial/loading, normal, empty, filtered-empty, recoverable error, fatal error and permission/offline state when relevant.

Responsive

Preserve action parity and information hierarchy; change presentation without duplicating controls.

Recovery

Explain what happened, why if known, and the exact next action.

Tests

Keyboard, single theme, long content, RTL and old-action/new-action regression.