102b5f96e7
The caller-facing description told orchestrators WHAT `deep` is but never specified goal cardinality, so they bundled multiple goals into one call (e.g. "fix X + merge Y + deploy Z"). The deep agent's own prompt was already configured to refuse such bundles, but only after they arrived. The rule now lives on the caller side: ONE goal + ONE deliverable per call; multiple goals must fan out as parallel `deep` calls.