- Add force parameter to plugin index fetch with cache-busting headers and timestamp
- Add openIndexView and reloadIndex methods to pluginInstallStore for explicit refresh
- Add request sequence tracking to prevent race conditions in concurrent index loads
- Move models summary state from component to store with loading/caching support
- Add refreshModelsSummary, ensureModelsSummaryLoaded, and modal
- Change X-OpenRouter-Categories from YAML list to comma-separated string
- Add pipx to base Python installation
- Truncate long lines in code execution output to 500 chars (250 from each end) before prompt detection
- Reorder model config UI sections and simplify plugin config button handler
- Remove border/padding from model summary grid and adjust mobile responsive styles