feat(azure_openai_tool): add support for gpt-image-1.5 model

[real-akimoto-akira]

Related Issues or Context

This PR contains Changes to Non-Plugin

• Documentation
• Other

This PR contains Changes to Non-LLM Models Plugin

• I have Run Comprehensive Tests Relevant to My Changes

This PR contains Changes to LLM Models Plugin

• My Changes Affect Message Flow Handling (System Messages and User→Assistant Turn-Taking)

• My Changes Affect Tool Interaction Flow (Multi-Round Usage and Output Handling, for both Agent App and Agent Node)

• My Changes Affect Multimodal Input Handling (Images, PDFs, Audio, Video, etc.)

• My Changes Affect Multimodal Output Generation (Images, Audio, Video, etc.)

• My Changes Affect Structured Output Format (JSON, XML, etc.)

• My Changes Affect Token Consumption Metrics

• My Changes Affect Other LLM Functionalities (Reasoning Process, Grounding, Prompt Caching, etc.)

• Other Changes (Add New Models, Fix Model Parameters etc.)

Version Control (Any Changes to the Plugin Will Require Bumping the Version)

• I have Bumped Up the Version in Manifest.yaml (Top-Level Version Field, Not in Meta Section)

Dify Plugin SDK Version

• I have Ensured dify_plugin>=0.3.0,<0.6.0 is in requirements.txt (SDK docs)

Environment Verification (If Any Code Changes)

Local Deployment Environment

• Dify Version is: 1.11.2, I have Tested My Changes on Local Deployment Dify with a Clean Environment That Matches the Production Configuration.

SaaS Environment

• I have Tested My Changes on cloud.dify.ai with a Clean Environment That Matches the Production Configuration

[gemini-code-assist]

Summary of Changes

Hello @real-akimoto-akira, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request significantly enhances the Azure OpenAI image generation and editing tools by introducing dynamic model selection. Instead of being hardcoded to a specific model like gpt-image-1, the tools now retrieve the desired image model from the plugin's runtime credentials. This change allows for seamless integration and support of newer Azure OpenAI image models, such as gpt-image-1.5, providing greater flexibility and future compatibility for users.

Highlights

• Dynamic Model Selection: The image_edit.py and image_generate.py tools now dynamically retrieve the Azure OpenAI image model name from runtime credentials, replacing the previously hardcoded gpt-image-1 model. This allows for greater flexibility in model usage.
• Enhanced gpt-image-1.5 Support: The plugin's configuration (provider/azure_openai_tool.yaml) and documentation (README.md) have been updated to explicitly mention and support gpt-image-1.5 as a possible deployment name for Azure OpenAI image models.
• Plugin Version Update: The plugin version in manifest.yaml has been incremented from 0.0.1 to 0.0.2 to reflect these changes.
• Dependency Range Update: The dify_plugin dependency in requirements.txt has been updated to allow versions up to <0.6.0, ensuring compatibility with newer SDK versions.
• Generalized Descriptions: Descriptions across README.md, image_edit.yaml, and image_generate.yaml have been generalized to refer to 'Azure OpenAI image models' instead of specifically gpt-image-1, improving clarity and future-proofing.

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[gemini-code-assist]

Code Review

This pull request successfully updates the Azure OpenAI image tool to support the gpt-image-1.5 model by making the model name configurable. The changes include updating the README.md for better clarity, bumping the plugin version in manifest.yaml, generalizing model references in image_edit.yaml and image_generate.yaml, and dynamically fetching the model name in image_edit.py and image_generate.py. The requirements.txt file has also been updated to reflect the necessary dify_plugin version range. Overall, the changes are well-implemented and improve the flexibility and future-proofing of the tool.