Story Readiness This skill validates that a story file contains everything a developer needs to begin implementation — no mid-sprint design interruptions, no guessing, no ambiguous acceptance criteria. Run it before assigning a story. This skill is read-only. It never edits story files. It reports findings and asks whether the user wants help filling gaps. Output: Verdict per story (READY / NEEDS WORK / BLOCKED) with a specific gap list for each non-ready story. --- Phase 0: Resolve Review Mode Resolve the review mode once at startup (store for all gate spawns this run): 1. If skill was calle…