Migrate mode definitions from JSON to YAML

Author: mrubens

package-lock.json

@@ -399,6 +399,7 @@
 		"@mistralai/mistralai": "^1.3.6",
 		"@modelcontextprotocol/sdk": "^1.7.0",
 		"@types/clone-deep": "^4.0.4",
+		"@types/js-yaml": "^4.0.9",
 		"@types/pdf-parse": "^1.1.4",
 		"@types/tmp": "^0.2.6",
 		"@types/turndown": "^5.0.5",
@@ -421,6 +422,7 @@
 		"i18next": "^24.2.2",
 		"isbinaryfile": "^5.0.2",
 		"js-tiktoken": "^1.0.19",
+		"js-yaml": "^4.1.0",
 		"mammoth": "^1.8.0",
 		"monaco-vscode-textmate-theme-converter": "^0.1.7",
 		"node-ipc": "^12.0.0",