Changes
PR #2334 by georgeatparallel and ksylvan: Add opt-in Parallel MCP web search to the CLI
- Added opt-in Parallel MCP web search to the CLI.
- Unified search handling into a single shared processing loop across all providers.
- Called Parallel web search directly, removing the tool discovery step.
- Added Parallel search shell completions for Bash, Zsh, and Fish.
- Standardized provider configuration error messages and localized Parallel help text.