bmad-sprint-run

# BMad Sprint Runner Autonomously execute ALL stories in ALL epics in the current sprint. Runs as a single continuous loop: no pauses between stories, no confirmation prompts, no stopping until every story reaches `done` or `blocked`. ## Execution Rule After completing ANY action (story done, story blocked, retry exhausted, story created), immediately begin the next story by returning to STEP 0. The only valid exit is STEP 7 (all stories resolved). Every other step unconditionally transitions to another step. Never ask for permission to continue. ## Story State Machine Valid story statuses: `backlog` | `ready-for-dev` | `in-progress` | `review` | `done` | `blocked` ``` backlog --[create-story]--> ready-for-dev ready-for-dev --[checkpoint]--> in-progress in-progress --[dev-story]--> review review --[quality gate pass + review pass]--> done review --[quality gate fail]--> in-progress (retry) review --[retry exhausted]--> blocked review --[decision_needed]--> blocked ANY --[infrastructure fail]--> STOP (not blocked, sprint halts) ``` Invalid transitions (MUST NOT occur): - `backlog` -> anything other than `ready-for-dev` - `done` -> anything (terminal state) - `blocked` -> anything (terminal state for this sprint run) - Skipping `in-progress` (every dev cycle must checkpoint first) ## Forbidden Actions ### State Safety - FORBIDDEN: Mark a story `done` unless quality gates pass AND code review reports zero `critical` findings - FORBIDDEN: Skip the quality gate (typechec...