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§6: disk-management endpoints + reframed principle (non-data-destructive self-serve; data-destructive stays operator-signed; classifier = agent-internal device inspection). §4: data-bearing-ness is agent-internal, never caller-claimed. §9: 8C implemented, slice 8 CLOSED. doc 02: EXECUTED banner. Validated live (data-bearing format refused; de-privileged controller). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>