chore(docker): remove local handover references

.dockerignore

@@ -3,7 +3,6 @@
 .claude
 .codex
 .env
-offload.md
 node_modules
 dist
 coverage

.gitignore

@@ -77,9 +77,6 @@ tmp/
 # added there). No trailing slash so it still matches the symlink, not just dirs.
 /public
 
-# Machine-specific Docker Compose handover notes
-/offload.md
-
 # Opt-in gesture overlay runtime assets: large MediaPipe wasm + model (~27 MB)
 # fetched at build/install by scripts/fetch-gesture-assets.mjs, kept out of git.
 # (The gesture bundle itself, gesture-codeman.js, IS tracked — built from