# CHANGES
- Add `os` and `strings` packages to imports
- Implement dynamic URL handling with environment variables
- Refactor provider configuration to support URL templates
- Reorder providers for consistent key order in ProviderMap
- Extract and parse template variables from BaseURL
- Use environment variables or default values for templates
- Replace template with actual values in BaseURL
- Refactor `cleanPatternOutput` to use a dedicated return variable.
- Hoist `processResponse` function for improved stream readability.
- Remove unnecessary whitespace and trailing newlines from file.
## CHANGES
- Create `PatternApplyRequest` struct for request body parsing
- Implement `ApplyPattern` method for POST /patterns/:name/apply
- Register manual routes for pattern operations in `NewPatternsHandler`
- Refactor `Get` method to return raw pattern content
- Merge query parameters with request body variables in `ApplyPattern`
- Use `StorageHandler` for pattern-related storage operations
## CHANGES
- Add Variables field to PromptRequest struct
- Pass pattern variables through chat handler
- Create API variables documentation example
- Add pattern variables UI in web interface
- Create pattern variables store in Svelte
- Include variables in chat service requests
- Add JSON textarea for variable input
## CHANGES
- Add citation extraction from API responses
- Append citations section to response content
- Format citations as numbered markdown list
- Handle citations in streaming responses
- Store last response for citation access
- Add citations after stream completion
- Maintain backward compatibility with responses
### CHANGES
- Add instructions for configuring Perplexity AI with Fabric
- Include example command for querying Perplexity AI
- Retain existing instructions for YouTube transcription changes
## CHANGES
- feat: Add `MaxTokens` field to `ChatOptions` struct for response control
- feat: Integrate Perplexity client into core plugin registry initialization
- build: Add perplexity-go/v2 dependency to enable API interactions
- feat: Implement stream handling in Perpexlty client using sync.WaitGroup
- fix: Correct parameter types for penalty options in API requests
## LINKS
<https://github.com/sgaunet/perlexipty-go> - Client library used
## CHANGES
- Extract shared yt-dlp logic into tryMethodYtDlpInternal helper
- Add processVTTFileFunc parameter for flexible VTT processing
- Implement language matching for 2-char language codes
- Refactor tryMethodYtDlp to use new helper function
- Refactor tryMethodYtDlpWithTimestamps to use helper
- Reduce code duplication between transcript methods
- Maintain existing functionality with cleaner structure
