Compact amp-style timeline rendering and targeted file reading

Timeline tool display:
- Grep/search: ✓ Grep pattern in filepath
- Read file: ✓ Read filepath @start-end
- Edit file: ✓ Edit filepath
- Bash: ϟ command (lightning bolt prompt)
- Tool results only shown for meaningful output

New search_and_read tool:
- Combines search + read in one operation
- Uses ripgrep --context for surrounding lines
- More efficient than separate search then read

Worker prompt updated to prefer search_and_read over
separate search + read_file calls

0 files changed, 0 insertions, 0 deletions