<!-- swain-model-hint: sonnet, effort: medium -- Security Check <!-- session-check: SPEC-121 -- Before proceeding with any state-changing operation, check for an active session: If the JSON output has other than , inform the operator: "No active session — start one with ?" Proceed if they dismiss. Unified security scanning orchestrator. Checks scanner availability, runs all available scanners against the project, normalizes findings into a severity-bucketed report, and presents results in both JSON and markdown formats. When invoked Run the security check script: For JSON output: Orchestratio…