- Updated shell minimizer line truncation to append `...[+N]` with the count of dropped Unicode scalars when truncation occurs.
- Updated read summary rendering to track `elidedLines`, include them in tool details, and append a recovery footer for `:raw` or line-range access whenever elided spans are present.
- Updated read-tool prompts/docs/tests to cover the new elision-footers and recovery guidance.
Fixes#1046