Find ALL work that never reached the default branch or production — hidden code on "docs-only" PRs, never-PR'd remote branches, stale local clones in long-lived agent containers, stashes, dangling commits, and history-rewrite ghosts. Use when asked "what haven't we shipped", "find everything not pushed/merged", "did any work get lost", or before deleting old branches. Covers verifying PR descriptions against actual branch diffs (they go stale), git branch --no-merged + git cherry to separate genuinely unique patches from rewritten-history duplicates, ahead/behind local-master drift, spot-verifying that "re-landed" content really exists on the target branch, and the multi-…
