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feat: add AI-powered Mermaid diagram fixer #7514

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feat: add AI-powered Mermaid diagram fixer #7514

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ffcb45e
feat: add AI-powered Mermaid diagram fixer
roomote Aug 29, 2025
8f73e14
fix: add type declarations for test mocks
roomote Aug 29, 2025
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42 changes: 42 additions & 0 deletions src/core/webview/webviewMessageHandler.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -2655,5 +2655,47 @@ export const webviewMessageHandler = async (
vscode.window.showWarningMessage(t("common:mdm.info.organization_requires_auth"))
break
}
case "fixMermaidDiagram": {
// Handle Mermaid diagram fixing request
const { code, error } = message
if (code && error) {
try {
// Import the MermaidDiagramFixer
const { MermaidDiagramFixer } = await import("../../services/mermaid/MermaidDiagramFixer")

// Get the API configuration
const { apiConfiguration } = await provider.getState()

// Create fixer instance with Gemini API key
const fixer = new MermaidDiagramFixer({
geminiApiKey: apiConfiguration.geminiApiKey,
geminiModel: apiConfiguration.apiModelId,
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@roomote roomote bot Aug 29, 2025

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Using apiConfiguration.apiModelId for the Gemini model might cause confusion since this field is meant for the main chat model. Consider using a dedicated field like 'geminiModelId' or 'geminiApiModelId' to avoid conflicts when users have different models configured for chat vs. diagram fixing.

})

// Fix the diagram
const fixedCode = await fixer.fixDiagram(code, error)

// Send the fixed code back to the webview
await provider.postMessageToWebview({
type: "mermaidDiagramFixed",
originalCode: code,
fixedCode: fixedCode,
})

vscode.window.showInformationMessage(
t("common:info.mermaid_diagram_fixed") || "Mermaid diagram has been fixed!",
)
} catch (error) {
provider.log(
`Error fixing Mermaid diagram: ${JSON.stringify(error, Object.getOwnPropertyNames(error), 2)}`,
)
vscode.window.showErrorMessage(
t("common:errors.mermaid.fix_failed") ||
`Failed to fix diagram: ${error instanceof Error ? error.message : String(error)}`,
)
}
}
break
}
}
}
9 changes: 7 additions & 2 deletions src/i18n/locales/en/common.json
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Original file line number Diff line number Diff line change
Expand Up @@ -90,7 +90,11 @@
"gemini": {
"generate_stream": "Gemini generate context stream error: {{error}}",
"generate_complete_prompt": "Gemini completion error: {{error}}",
"sources": "Sources:"
"sources": "Sources:",
"api_key_required": "Gemini API key is required for diagram fixing"
},
"mermaid": {
"fix_failed": "Failed to fix Mermaid diagram"
},
"cerebras": {
"authenticationFailed": "Cerebras API authentication failed. Please check your API key is valid and not expired.",
Expand Down Expand Up @@ -124,7 +128,8 @@
"image_copied_to_clipboard": "Image data URI copied to clipboard",
"image_saved": "Image saved to {{path}}",
"mode_exported": "Mode '{{mode}}' exported successfully",
"mode_imported": "Mode imported successfully"
"mode_imported": "Mode imported successfully",
"mermaid_diagram_fixed": "Mermaid diagram has been fixed successfully!"
},
"answers": {
"yes": "Yes",
Expand Down
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