* feat: Add dual output support to Agent component with structured JSON parsing
## Summary
- Add "Structured Response" output alongside existing "Response" output
- Filter out conflicting json_mode field from OpenAI inputs
- Implement robust JSON parsing with fallback handling
## Changes Made
### Agent Component (agent.py)
- Add second output: "Structured Response" (Data type) with tool_mode=False
- Filter json_mode from OpenAI inputs to prevent UI conflicts
- Add json_response() method with multi-stage JSON parsing:
- Direct JSON parsing for valid responses
- Regex extraction for embedded JSON in text
- Graceful error handling with diagnostic info
- Share execution between outputs (no duplicate agent runs)
- Fix model building to handle missing json_mode attribute
### Tests (test_agent_component.py)
- Add 9 comprehensive test cases covering:
- Dual output structure validation
- Input filtering verification
- JSON parsing (valid, embedded, error cases)
- Model building without json_mode
- Shared execution efficiency
- Frontend node structure
- Component initialization
## Benefits
- Users get both Message and Data output types to choose from
- Clean UI without confusing duplicate JSON toggles
- Robust JSON parsing handles various response formats
- Efficient single-execution approach
- Maintains backward compatibility
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
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* update to templates with model list update
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* Update test_agent_component.py
* update to the test and update to templates
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Co-authored-by: Edwin Jose <edwin.jose@datastax.com>
✨ (custom-markdown-field.tsx): create a new CustomMarkdownField component to encapsulate MarkdownField with additional props
♻️ (chat-message.tsx): refactor ChatMessage component to use CustomMarkdownField instead of MarkdownField for better customization and reusability
* feat: filter out base components path in custom component loading
* revert changes to allow testing the function
* feat: add module_name parameter to custom component template functions
* feat: include full module name in component template creation
* feat: add module metadata to various starter project JSON files
* feat: add code hash generation for custom component templates
* test: add unit tests for code hash and module metadata functionality
* feat: add code hash to metadata in various starter project JSON files
* feat: refactor code hash generation to accept source code and class name
* feat: implement loading strategy for custom components in settings service
* Update metadata for various starter project JSON files to include code hashes and module references for ChatInput and ChatOutput components. This enhances traceability and consistency across the project configurations.
* refactor: improve _generate_code_hash function for better error handling and clarity
- Simplified the logic to generate a SHA256 hash of the source code.
- Added explicit error handling for empty source code, encoding issues, and type errors.
- Updated docstring to reflect changes in argument descriptions and added information about raised exceptions.
* test: add unit tests for metadata functionality in custom utils
- Introduced tests for the _generate_code_hash function, covering basic hash generation, error handling for empty and None source, hash consistency, and uniqueness for different code.
- Added tests to verify metadata addition in template building functions, ensuring that module names and code hashes are correctly included in the metadata of custom components.
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Co-authored-by: Edwin Jose <edwin.jose@datastax.com>
* feat: implement file upload API snippet generation
Add proper two-step file upload support for API code generation:
- Detect file tweaks in ChatInput (string), File/VideoFile (path/file_path)
- Generate step-based cURL commands with separate copy buttons
- Fix ChatInput to use correct /api/v1/run endpoint with tweaks structure
- Update JavaScript and Python generators with proper endpoints and payloads
- Support dynamic node IDs and processedPayload values
- Implement step parsing UI for cURL with proper formatting
Co-Authored-By: Automagik Genie <genie@namastex.ai>
* fix: update JavaScript API snippet generator for native Node.js
Replace browser-based FormData approach with native Node.js http module
- Use built-in fs, http, and path modules instead of browser APIs
- Manually construct multipart/form-data payloads
- Add proper error handling and HTTP request helpers
- Support both ChatInput and File/VideoFile upload scenarios
- Maintain authentication header support
Co-Authored-By: Automagik Genie <genie@namastex.ai>
* fix: include output_type, input_type, input_value in File component cURL snippets
File/VideoFile components were missing the required payload fields when
generating cURL commands, causing flows to fail execution. Added the missing
fields to match the working pattern used in Chat Input components.
Co-Authored-By: Automagik Genie <genie@namastex.ai>
* fix: include output_type, input_type, input_value in Python and JavaScript File component snippets
File/VideoFile components were missing the required payload fields in Python
and JavaScript generators, matching the fix applied to cURL snippets.
Co-Authored-By: Automagik Genie <genie@namastex.ai>
* fix: use 'path' field for File components instead of 'file_id'
File components require the 'path' field from v2 upload response as an array,
not 'file_id'. Updated all three generators:
- Changed file_id to file_path variable extraction
- Changed "file_id": value to "path": [value] in tweaks
- Updated placeholder text for consistency
This fixes the "No files to process" error in File components.
Co-Authored-By: Automagik Genie <genie@namastex.ai>
* fix: implement additive file upload API snippet generation
- Fixed UI parsing to handle multiple file components correctly
- Consolidated upload steps into single step with multiple commands
- All file components (ChatInput, File, VideoFile) now work additively
- Simplified UI to show only 2 steps: uploads and execution
- Improved scrolling for better debugging experience
- Removed debug console.log statements
* fix: enhance API snippet generation with file upload support and consistent authentication
- Add multi-step file upload handling for ChatInput, File, and VideoFile components
- Implement automatic session ID generation using UUIDs across all snippets
- Ensure API key is always required in generated code (Python, JavaScript, cURL)
- Remove unused isAuth parameter from code generation logic
- Add comprehensive unit tests for file detection and code generation
- Support both Unix/Linux and PowerShell platforms for cURL commands
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* 📝 CodeRabbit Chat: Fix curl file upload commands for ChatInput and File/VideoFile APIs
* fix: coderabit's feedbacks
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* fix: use curl.exe for PowerShell to avoid alias conflicts
- Change curl to curl.exe in PowerShell snippets to avoid conflicts with Invoke-WebRequest alias
- Remove unused hasChatFiles variable from all code generators
- Remove redundant edge case check in curl code generator
- Fix Python syntax error (|| to or)
- Fix JavaScript crypto.randomUUID() to generate at runtime
- Remove unused singleLinePayload variable in Unix branch
- Update tests to match new httpModule usage pattern
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* fix: remove duplicate API key declaration and add file existence validation
- Remove duplicate apiKey declaration from top-level generated code
- Keep only the apiKey declaration inside uploadAndExecuteFlow function
- Add fs.existsSync() validation before reading files in createFormData
- This prevents runtime errors when files don't exist
- Maintains 'YOUR_API_KEY_HERE' placeholder as requested
* fix: improve hostname/port extraction robustness in JavaScript generator
- Replace fragile string splitting with proper URL parsing
- Use URL constructor to reliably extract hostname and port
- Handle IPv6 addresses, URLs with authentication, and complex hostnames
- Apply fix to all three usage locations: ChatInput, File/VideoFile, and execution options
- Fallback to default ports (443 for HTTPS, 80 for HTTP) when port not specified
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* refactor: streamline code snippet generation for API calls
- Remove deprecated step parsing logic in favor of structured data handling
- Update getNewCurlCode function to return structured steps for curl commands
- Simplify rendering of steps in APITabsComponent to enhance readability and maintainability
- Ensure consistent handling of code snippets across different platforms
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* test: enhance API snippet generation tests for structured output
- Update tests for getNewCurlCode to validate structured steps output
- Ensure API key and session_id checks accommodate both string and object return types
- Improve clarity and maintainability of test cases for API snippet generation utilities
* fix: update session_id handling in curl code generation
- Replace dynamic session_id generation with a placeholder "YOUR_SESSION_ID_HERE" for both Unix and PowerShell environments.
- Update tests to reflect the change, ensuring they check for the new session_id placeholder instead of UUID generation commands.
- Enhance clarity in generated curl commands and maintain consistency across different platforms.
* 🔧 (frontend): refactor NodeInputField component to improve readability and maintainability
🔧 (frontend): refactor codeTabs component to add support for auto login feature
🔧 (frontend): refactor api-snippet-generation test to include tests for API key authentication
🔧 (frontend): refactor get-curl-code, get-js-api-code, and get-python-api-code to conditionally include API key based on shouldDisplayApiKey parameter
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* reactor to have common mcp codes in mcp_support
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* Refactor MCP API argument passing and function signatures
Updated function calls in mcp_projects.py to use explicit keyword arguments for clarity. Refactored mcp_support.py to use more concise query assignment and added keyword-only arguments to handle_call_tool and handle_list_tools for improved code readability and maintainability.
* Rename mcp_support.py to mcp_utils.py and update imports
Renamed mcp_support.py to mcp_utils.py for clarity and updated all relevant import statements in mcp.py and mcp_projects.py to reflect the new module name.
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🐛 (api.tsx): fix issue where Authorization header was not being set correctly for internal requests
💡 (api.tsx): improve logic to set Authorization header only for internal requests and add custom headers for all requests
* test: enhance agent component tests and add new fixture for database-less sessions
- Added `use_noop_session` fixture to facilitate testing without a database.
- Expanded `TestAgentComponent` with new tests for agent responses using the Calculator tool and validation across all OpenAI and Anthropic models.
- Updated `test_component.py` to include tests for message sending without a database, ensuring proper event handling and message integrity.
- Refactored existing tests for clarity and consistency.
* fix: enhance user retrieval logic in get_or_create_super_user and teardown_superuser functions
- Updated user retrieval in both functions to handle different result types from the database query, ensuring robustness against unexpected return values.
- Added checks for `first()` method and list type to improve error handling and maintainability.
* feat: add support for no-op database operations in settings
- Introduced `use_noop_database` configuration option to disable all database operations, controlled by the `LANGFLOW_USE_NOOP_DATABASE` environment variable.
- Updated the `use_noop_session` fixture to reflect the new environment variable for testing without a database.
* feat: implement NoopSession for database-less operations
- Added NoopSession class to provide a no-operation database session, allowing for testing and operation without a real database connection.
- Updated DatabaseService to utilize NoopSession when the `use_noop_database` setting is enabled, ensuring all database operations are disabled in this mode.
- Enhanced error handling and logging for session management, improving robustness in scenarios where the database is not in use.
* refactor: update import paths for NoopSession in test files
- Changed import path for NoopSession from `langflow.services.database.service` to `langflow.services.database.session` in both `test_agent_component.py` and `test_component.py`.
- This refactor improves code organization and aligns with recent changes in the project structure.
* feat: enhance NoopSession with result handling methods
- Added an internal _NoopResult class to the NoopSession, providing methods `first()`, `all()`, and `one_or_none()` for better handling of no-operation results.
- This enhancement improves the usability of NoopSession in testing scenarios by mimicking expected database query behaviors.
* refactor: improve logging for NOOP database session
- Changed the log level from warning to info for the NOOP database session message in the DatabaseService class.
- This adjustment enhances clarity in logging, indicating that all DB operations are disabled without implying an error condition.
* docs: improve docstring formatting for custom_component_update function
- Reformatted the docstring for the custom_component_update function to enhance readability by breaking long lines into multiple lines.
- This change improves documentation clarity, making it easier for developers to understand the function's purpose and behavior.
* docs: add LANGFLOW_USE_NOOP_DATABASE environment variable documentation
- Introduced documentation for the new LANGFLOW_USE_NOOP_DATABASE environment variable, which allows users to enable a no-op database mode, avoiding database connections and operations.
- This addition enhances the clarity of configuration options available for Langflow, aiding users in understanding how to run flows without a database.
* refactor: move NOOP database session logging to settings
- Removed the logging statement from the DatabaseService class and added it to the `set_use_noop_database` field validator in the Settings class.
- This change centralizes the logging for the NOOP database session, improving code organization and ensuring that the message is logged whenever the setting is applied.
* refactor: update config response handling and import structure
- Moved EventManager import to the correct module path.
- Refactored get_config endpoint to utilize ConfigResponse.from_settings for improved clarity and maintainability.
- Updated ConfigResponse to include a class method for instantiating from Settings, enhancing the encapsulation of configuration logic.
* 📝 Add docstrings to `improve-docs-and-configsetup` (#8677)
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* 📝 (frontend): Add helper lines feature to display alignment guides for nodes during drag and drop operations. This feature includes the ability to toggle helper lines on and off, snap nodes to alignment positions, and visually display horizontal and vertical lines for alignment.
* ♻️ (helper-lines.ts): Remove unnecessary comments and improve code readability by removing redundant comments explaining basic logic in helper-lines.ts
* 🔧 (canvasControlsComponent): improve tooltip text and icon based on the state of helperLineEnabled to provide better user experience
* ✨ (PageComponent/index.tsx): Add support for dragging nodes with helper lines and snapping to grid position during drag for better user experience.
* 🔧 (applies.css): reduce stroke width from 1.5 to 1 for better visual appearance
* ✨ (JigsawStack/index.tsx): introduce useDarkStore hook to handle dark mode state in JigsawStackIcon component
* 🐛 (JigsawStackIcon.jsx): fix issue where isdark prop was not being converted to a boolean before being used in the fill color logic
📝 (header-buttons.tsx): Add useEffect hook to update state variables based on userData changes
🔧 (header-buttons.tsx): Refactor useState calls to initialize state variables with userData values and update them on userData changes using useEffect
* 🐛 (index.tsx): Fix logic to switch between flow types based on other tab items presence
📝 (index.tsx): Update dependencies for useEffect hook to include all relevant variables for proper functionality
* ♻️ (index.tsx): refactor dependencies of the useEffect hook to only include isEmptyFolder as it is the only dependency used within the hook. This improves code readability and maintainability.
* Fix check for server ready when using 0.0.0.0 as host
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* fix: add noqa comment to health check host assignment for clarity
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feat: add NVIDIA Remix starter template
Introduced a new JSON configuration file for the NVIDIA Remix starter project, defining nodes and edges for chat input, output, and agent interactions. This setup enhances the integration of the NVIDIA RTX Remix Toolkit REST API, providing a structured approach for building chat-based applications.
Co-authored-by: Gabriel Luiz Freitas Almeida <gabriel@langflow.org>
feat: add code field to build configuration in custom component update if it was removed
- Introduced `add_code_field_to_build_config` utility function to enhance build configuration with a code field.
- Updated `custom_component_update` to conditionally add the code field if it is not already present, improving component customization capabilities.
Co-authored-by: Edwin Jose <edwin.jose@datastax.com>
* Improved health check and stream URL check on MCP
* Improved health check by validating session connectivity
* Changed mcp servers from json checks
* Fixed imports
* Fixed mcp server tab test
* feat: add DataFrame output to Structured Output component
- Add new DataFrame output alongside existing Data output for structured data
- Single output: creates DataFrame with one row
- Multiple outputs: creates DataFrame with multiple rows, each containing a Data object
- Maintains backward compatibility with existing Data output
- Includes comprehensive test coverage for both single and multiple output scenarios
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
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* Update structured_output.py
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* udpate to tests
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* update to format instructions
* Update system prompt in structured output component test
Expanded the system prompt in the test for StructuredOutputComponent to provide more detailed extraction instructions, including handling of missing values, duplicates, and output format requirements. This improves test clarity and better simulates real-world extraction scenarios.
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* Update structured_output.py
* fix: return empty Data object instead of None in StructuredOutputComponent
Updated the return statement in the StructuredOutputComponent to return an empty Data object when there are no outputs, improving consistency in the output handling.
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* feat: enhance DataFrame Operations component with contains filter and modern UI
- Add "contains" filter operator for partial string matching in DataFrame filters
- Update UI to use SortableListInput with icons for consistent modern design
- Add 7 filter operators: equals, not equals, contains, starts with, ends with, greater than, less than
- Fix deselection handling to prevent "unhashable type: list" errors
- Improve dynamic field visibility when operations are deselected
- Add comprehensive test suite with 25 tests covering all operations and edge cases
- Update placeholder text from "Select DataFrame Operation" to "Select Operation"
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
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* Update dataframe_operations.py
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* fix edges not being cleared if same type but different name
* removed console log
* removed console log
* made edges change trigger re-render of handle color
* Updated position of edges
* fix: Update log_vertex_build to accept UUID for flow_id and improve error handling
* Changed flow_id type from str to str | UUID for better type safety.
* Added error handling to raise a ValueError if flow_id is invalid, enhancing robustness of the logging function.
* fix: Ensure flow_id is not None before logging vertex build details
* Updated log_vertex_build call to check if flow_id is not None, enhancing robustness and preventing potential errors when flow_id is absent.
* refactor: Simplify flow reading logic by removing unnecessary settings service dependency
* 🛠️ (flows.py): Remove settings_service parameter from _read_flow and related functions to streamline flow retrieval logic.
* 🔧 (flows.py): Adjust query to directly filter by user_id, enhancing clarity and reducing complexity.
* test: Enhance flow retrieval tests with user isolation checks
* 🧪 (test_flows.py): Remove hardcoded user_id from flow creation tests to ensure user-specific data handling.
* ✨ (test_flows.py): Add a new test to verify that users can only access their own flows, ensuring proper user isolation in flow retrieval.
* 🔧 (test_flows.py): Implement user creation and cleanup logic to maintain test integrity and avoid side effects.
* ✨ (exportModal/index.tsx): Refactor onSubmit function to improve flow export functionality and error handling
♻️ (reactflowUtils.ts): Refactor downloadFlow function to return a Promise and improve error handling
* 📝 (exportModal/index.tsx): remove unnecessary comment about handling error in export flow to improve code readability
* 🐛 (exportModal/index.tsx): remove unnecessary filePath variable and simplify logic for exporting flows
💡 (exportModal/index.tsx): refactor code to improve readability and remove redundant code for exporting flows
✨ (switch-case-size.ts): Update modal sizes for better user experience and consistency
✨ (index.tsx, TemplateGetStartedCardComponent): Adjust styles for better layout and responsiveness
✨ (index.tsx): Improve modal layout and scrolling behavior for better usability
* ✨ (WatsonxAI.jsx): Add support for dynamic fill color based on isdark prop value
📝 (index.tsx): Import useDarkStore hook and pass isdark prop to SvgWatsonxAI component
* ✨ (WatsonxAI.jsx): Remove unnecessary console.log statement
♻️ (index.tsx): Remove unnecessary console.log statement
* chore: Bump version to 1.5.0 and update dependencies
- Updated langflow version to 1.5.0 in pyproject.toml, package.json, and package-lock.json.
- Updated langflow-base dependency to version 0.5.0.
- Added platform markers for several dependencies in uv.lock to improve compatibility across different systems.
* fix: fixes auth check for auto_login (#8796)
* ref: improve docling template updates and error message (#8837)
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* Attempt to provide powershell curl command
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* Added OS selector to code tabs
* Added no select classes to API modal
* ✨ (code-tabs.tsx): add data-testid attribute to API tab elements for testing purposes
🔧 (tweaksTest.spec.ts, curlApiGeneration.spec.ts, pythonApiGeneration.spec.ts, generalBugs-shard-3.spec.ts): update test scripts to use data-testid attribute for API tab elements instead of role attribute
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- Updated langflow version to 1.5.0 in pyproject.toml, package.json, and package-lock.json.
- Updated langflow-base dependency to version 0.5.0.
- Added platform markers for several dependencies in uv.lock to improve compatibility across different systems.
* fix: update message input handling in LCAgentComponent and improve memory data retrieval
* Refactor MessageTextInput to MessageInput for consistency.
* Enhance input dictionary construction to handle different input types in LCAgentComponent.
* Update get_memory_data method to filter out current input value from retrieved messages.
* fix: update AgentComponent to include documentation link and improve input handling
* Added documentation link for AgentComponent.
* Removed memory inputs from the agent component for cleaner input management.
* Enhanced error handling in message_response method to ensure better validation and logging of exceptions.
* fix: enhance input handling in LCAgentComponent by updating message conversion
* Updated input dictionary construction in LCAgentComponent to use to_lc_message() for Message instances, improving input handling consistency.
* test: add regression test for message duplication in agent component
* Introduced a new test to verify that mathematical expressions do not experience message duplication when processed by the agent component.
* The test checks both input and output JSON to ensure correct handling of expressions like "2+2" without duplication errors.
* test: add workspace tag to regression test for message duplication in agent component
* Updated the regression test for mathematical expressions to include the "@workspace" tag, enhancing test categorization and organization.
* This change ensures better tracking and management of tests related to the agent component.
* fix: add temporary comment in get_memory_data to address message duplication
* Added a TODO comment in the get_memory_data method of AgentComponent to indicate a temporary fix for message duplication issues. This serves as a reminder to develop a more robust solution in the future.
* feat: add message extraction utility for BaseMessage
* Introduced a new helper function, _get_message_from_base_message, to extract and concatenate text content from BaseMessage instances, improving message handling.
* Updated input handling in handle_on_chain_start to utilize the new extraction function, ensuring consistent processing of input messages.
* refactor: standardize code snippets across starter project JSON files
* Updated the "value" field in multiple starter project JSON files to ensure consistent formatting and structure of code snippets.
* This change enhances readability and maintainability of the code examples provided in the starter projects.
* feat: add caching and content dictionary creation for images
* Introduced a new function, create_image_content_dict, to generate a content dictionary for multimodal inputs from image files, enhancing image handling capabilities.
* Implemented LRU caching to optimize performance for repeated image processing.
* Added comprehensive error handling and documentation for better usability and maintainability.
* refactor: update message handling to utilize create_image_content_dict
* Replaced direct image URL creation with create_image_content_dict for improved image content handling in the Data and Message classes.
* Adjusted the order of content in human messages to ensure text appears first, enhancing message structure and clarity.
* Removed deprecated to_lc_message method to streamline the codebase and improve maintainability.
* docs: enhance _get_message_from_base_message docstring for clarity
* Expanded the docstring for the _get_message_from_base_message function to provide detailed information on input types, expected behavior, and examples of usage.
* Improved documentation aims to enhance usability and maintainability of the code by clarifying how to extract text content from BaseMessage instances.
* refactor: enhance image path handling and update message content structure
* Modified the get_file_paths function to support both Image objects and string paths for improved flexibility in file handling.
* Updated test cases to reflect changes in image content structure, ensuring consistency in type and source type attributes.
* Introduced new tests for create_image_content_dict to validate successful creation and error handling for image content dictionaries.
* refactor: streamline message extraction in handle_on_chain_start
* Removed the _get_message_from_base_message function to simplify the codebase.
* Updated handle_on_chain_start to directly use the text method of BaseMessage for extracting message content, enhancing clarity and maintainability.
* feat: enhance input handling for multimodal messages
* Added functionality to process image content within input messages, ensuring images are included in chat history as HumanMessage instances.
* Updated input handling logic to separate image types from text, improving the structure and clarity of message content.
* This enhancement supports better management of multimodal inputs in the agent's chat history.
* feat: add to_lc_message method for converting Data to BaseMessage
* Introduced the to_lc_message method in the Message class to facilitate conversion of Data instances to BaseMessage.
* Implemented logic to handle both HumanMessage and AIMessage based on the presence of required keys and sender type.
* Added logging for missing required keys to improve debugging and maintainability.
* refactor: simplify sender check in Message class
* Updated the sender validation logic in the Message class to remove unnecessary checks for missing sender values.
* This change enhances code clarity and maintains the intended functionality for handling user messages with associated files.
* test: update test_message_from_human_text to reflect content type change
* Modified the test for message conversion to assert that lc_message.content is a string instead of a list.
* Updated assertions to ensure the content matches the expected text, enhancing test accuracy and reliability.
* fix: update sender validation in Message class and adjust test case
* Modified the sender validation logic to handle cases where the sender is not specified, defaulting to HumanMessage.
* Updated the corresponding test case to reflect this change, ensuring accurate type assertion for lc_message when no sender is provided.
* refactor: update import statements for consistency and clarity
* Replaced the import of BaseModel from langchain.pydantic_v1 with the direct import from pydantic to streamline dependencies.
* This change enhances code clarity and aligns with best practices for managing imports in the codebase.
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Co-authored-by: Edwin Jose <edwin.jose@datastax.com>
Co-authored-by: Carlos Coelho <80289056+carlosrcoelho@users.noreply.github.com>
* Add description to modal when autologin is on and change from A to CustomLink
* Changed place of custom link
* Made settings back button go back to previous page
