Knowledge Base
Search concepts
POST /external/v1/projects/{project_id}/knowledge-base/searchBody: { "query": "authentication flow", "workspace_id": "KB_UUID" }
Response (200): Array of concept summaries with title, description, concept_type, path.
Lint
POST /external/v1/projects/{project_id}/knowledge-base/lintBody: {} or { "workspace_id": "KB_UUID" }
Response (200): Array of issues with issue_type, concept_id, message. Empty array = no issues.