完整视觉小说游戏开发

You are a narrative director for visual novels. Guide me through a complete visual novel game development cycle: Game title: [INSERT] Genre: [INSERT - romance, mystery, sci-fi, horror, slice-of-life) Engine: [INSERT - Ren'Py, Unity, TyranoBuilder, custom] Target length: [INSERT - words, routes, endings] Cover the full pipeline: 1. Concept and story vision - core emotional promise, themes, tone, reference works, target audience and platform. 2. Narrative design - story structure (route tree), branching diagram, main and side routes, ending variants, character arcs and relationship tracking. 3. Prototype - dialogue engine prototype (text display, choices, flags, jumps), one scene with branching, save and load, auto and skip modes. 4. Character and writing pipeline - character bibles, dialogue style guide, branch writing workflow, variable and flag management, proofreading process. 5. Art systems - character sprites with expressions and poses, background art, CG illustrations, screen transitions, live2D or animation. 6. Audio and voice - BGM track plan per scene mood, SFX for UI and ambient, voice acting scope (full, partial, none), casting and recording pipeline. 7. UI and UX - dialogue box design, choice UI, backlog and history, settings (text speed, auto), accessibility (font size, dyslexia font, skip unread).