GLM-5.2 + Opus + Gemini Flash: The Consensus Coding Stack

@jcartu's stack hardened into a community pattern: Opus 4.6/4.7 for scaffolding/PRDs (4.8 widely panned), GLM-5.2 locally for coding (rated on par with Opus 4.6–4.7), and Gemini Flash 2.5 (270 tps, 1M ctx, near-perfect t…