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Closes brain-retro #9 candidate 10 + self-retrospect 28.05: 16 reviewer- Opus marks of "should have delegated to coder-agent". Controller (Opus) was doing repetitive mechanical work itself, burning big-context budget on tasks suited for fresh subagent. PATTERN 8 trains classifier to recognize mechanical/repetitive signals (N odnotipnyh, massovaya pravka, po shablonu) and recommend coder-agent #19 via Task tool delegation.