({ toolCall })
| 208 | api: "/api/chat", |
| 209 | }), |
| 210 | async onToolCall({ toolCall }) { |
| 211 | if (DEBUG) { |
| 212 | console.log( |
| 213 | `[onToolCall] Tool: ${toolCall.toolName}, CallId: ${toolCall.toolCallId}`, |
| 214 | ) |
| 215 | } |
| 216 | |
| 217 | if (toolCall.toolName === "display_diagram") { |
| 218 | const { xml } = toolCall.input as { xml: string } |
| 219 | if (DEBUG) { |
| 220 | console.log( |
| 221 | `[display_diagram] Received XML length: ${xml.length}`, |
| 222 | ) |
| 223 | } |
| 224 | |
| 225 | // Wrap raw XML with full mxfile structure for draw.io |
| 226 | const fullXml = wrapWithMxFile(xml) |
| 227 | |
| 228 | // loadDiagram validates and returns error if invalid |
| 229 | const validationError = onDisplayChart(fullXml) |
| 230 | |
| 231 | if (validationError) { |
| 232 | console.warn( |
| 233 | "[display_diagram] Validation error:", |
| 234 | validationError, |
| 235 | ) |
| 236 | // Return error to model - sendAutomaticallyWhen will trigger retry |
| 237 | if (DEBUG) { |
| 238 | console.log( |
| 239 | "[display_diagram] Adding tool output with state: output-error", |
| 240 | ) |
| 241 | } |
| 242 | addToolOutput({ |
| 243 | tool: "display_diagram", |
| 244 | toolCallId: toolCall.toolCallId, |
| 245 | state: "output-error", |
| 246 | errorText: `${validationError} |
| 247 | |
| 248 | Please fix the XML issues and call display_diagram again with corrected XML. |
| 249 | |
| 250 | Your failed XML: |
| 251 | \`\`\`xml |
| 252 | ${xml} |
| 253 | \`\`\``, |
| 254 | }) |
| 255 | } else { |
| 256 | // Success - diagram will be rendered by chat-message-display |
| 257 | if (DEBUG) { |
| 258 | console.log( |
| 259 | "[display_diagram] Success! Adding tool output with state: output-available", |
| 260 | ) |
| 261 | } |
| 262 | addToolOutput({ |
| 263 | tool: "display_diagram", |
| 264 | toolCallId: toolCall.toolCallId, |
| 265 | output: "Successfully displayed the diagram.", |
| 266 | }) |
| 267 | if (DEBUG) { |
nothing calls this directly
no test coverage detected