Build a beat-synced montage from the arguments: is the video path, is the audio path, is the optional output path (default: in the current working directory). How this skill thinks Cadence runs as a three-party conversation : you (Claude) orchestrate tool calls; Gemini acts as the subject-matter expert for video/audio perception and creative judgment; the user speaks through you. Gemini's reasoning carries across the calls in a session — it remembers what moments it found, which segment it picked, and why. Your job is to synthesize the user's raw request into a coherent at session-begin, then…