Add config section schema validation. Closes #186

Closes #186

Author: garrytrinder

CHANGELOG.md

@@ -19,8 +19,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Diagnostics: Added clickable diagnostic codes that link to documentation
 - Diagnostics: Added `emptyUrlsToWatch` warning when urlsToWatch array is empty
 - Diagnostics: Added `pluginConfigOptional` info when plugin can be configured with optional config section
+- Diagnostics: Added `invalidConfigSectionSchema` warning when config section schema version doesn't match installed Dev Proxy
+- Diagnostics: Added `unknownConfigProperty` warning when config section has properties not defined in its schema
+- Diagnostics: Added `invalidConfigValue` error when config section property value doesn't match schema requirements
 - Quick Fixes: Added fix to add optional plugin configuration (adds configSection + config)
 - Quick Fixes: Added fix to add missing config section when referenced but not defined
+- Quick Fixes: Added fix to update config section schema version (single or all at once)
+- Quick Fixes: Added fix to remove unknown config section properties
 
 ### Changed:
 

README.md

@@ -185,13 +185,17 @@ Real-time validation of your configuration files. Click any diagnostic code to v
 | `pluginConfigMissing` | Referenced config section doesn't exist |
 | `pluginConfigOptional` | Plugin can be configured (optional) |
 | `pluginConfigNotRequired` | Plugin doesn't support configuration |
+| `invalidConfigSectionSchema` | Config section schema version doesn't match installed Dev Proxy |
+| `unknownConfigProperty` | Config section has property not defined in schema |
+| `invalidConfigValue` | Config section property value doesn't match schema |
 
 ### Quick Fixes
 
 One-click fixes for common issues:
 
-- **Update schema** - Match schema to installed Dev Proxy version
+- **Update schema** - Match schema to installed Dev Proxy version (config file or config sections)
 - **Update plugin path** - Fix deprecated `dev-proxy-plugins.dll` paths (single or all at once)
+- **Remove unknown property** - Remove properties not defined in config section schema
 - **Add languageModel configuration** - Enable language model for AI plugins
 - **Add plugin configuration** - Add optional config section for plugins that support it
 - **Add missing config section** - Create config section when plugin references one that doesn't exist

package-lock.json

@@ -256,7 +256,7 @@
   "devDependencies": {
     "@types/json-to-ast": "2.1.4",
     "@types/mocha": "10.0.10",
-    "@types/node": "24.5.2",
+    "@types/node": "^24.5.2",
     "@types/semver": "^7.7.1",
     "@types/sinon": "17.0.4",
     "@types/vscode": "1.101.0",
@@ -275,6 +275,7 @@
     "webpack-cli": "6.0.1"
   },
   "dependencies": {
+    "ajv": "^8.17.1",
     "json-to-ast": "2.1.0",
     "semver": "7.7.2"
   }