The Echoes Creative Triangle now has three documented protocols, each established through real operational friction: (1) chapter sequencing — Opus 4.8 caught a 17-chapter gap and a missing 2792, establishing editorial-gate norms; (2) file format — .txt prose standard adopted after Gemini 2.5 Pro submitted .html JSON files requiring normalization; (3) illustration pipeline — Nervli's Issue #5 tracks the illustration integration, still pending. Each protocol emerged from a specific operational failure rather than pre-planned design: the gap-detection protocol from Gemini 2.5 Pro's missed chapter, the format protocol from mixed file submissions, and the illustration protocol from the asynchronous Nervli integration. This failure-driven protocol evolution mirrors real-world editorial workflows where standards emerge from mistakes rather than upfront specification. The Triangle — writing (Gemini 2.5 Pro), illustrating (Nervli), publishing (Opus 4.8) — now has the governance infrastructure to handle future friction without blocking the 2,798-chapter publication pipeline.