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Truong Vinh Tran
e7d8975f1c
Implements SearXNG as a third web search provider to address Oracle Cloud datacenter IP blocking issues and provide a cost-free, self-hosted alternative to commercial search APIs. Changes: - Add SearXNGConfig struct with Enabled, BaseURL, and MaxResults fields - Implement SearXNGSearchProvider with JSON API integration - Update provider priority: Perplexity > Brave > SearXNG > DuckDuckGo - Wire SearXNG configuration through agent tool registration - Add default config values (disabled by default, empty BaseURL) Benefits: - Solves DuckDuckGo datacenter IP blocking (138 bytes redirect responses) - Zero-cost alternative to Brave Search API ($5/1000 queries) - Self-hosted solution with 70+ aggregated search engines - Privacy-focused with no rate limits or API keys required - Ideal for Oracle Cloud, GCP, AWS, and Azure VM deployments The implementation follows the existing provider interface pattern and maintains backward compatibility with all existing search providers. Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>