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A warning sign that I picked up from the OP was your talk about what the scenes were about. You can't focus only on the conflict scenes - you need establishing scenes too as a build-up for the conflict, and you also need scenes that takes care of the aftermath of the said conflict (i.e. more establishing scenes for another conflict).
Many of the Forge games missed this, and only build their structure of play around conflict scenes.
Also, check out While the World Ends that has an excellent structure/mechanic for this. There has been talk about the game recently.