- Separate system prompt for local vs cloud models via isLocal flag
(isLocalBackendURL, buildSystemPrompt(..., isLocal), propagate through
createSession/createSessionFromRecord/compactSession/spawnSubAgent)
- Increase MAX_EMPTY_RESPONSE_RETRIES from 1 to 3 for cloud model resilience
- Upgrade mouse input: full SGR-1006 parsing with col/row/pressed/modifiers,
logicalButton() helper, and copyToClipboard() via OSC 52
- Add temporary mouse debug logging in App.tsx
- Increase DEFAULT_MAX_ITERATIONS from 100 to 300
- Update README mouse/scrollback docs, tweak diff-remove color
