diff --git a/docs/ESLINT_WARNINGS_SUMMARY.md b/docs/ESLINT_WARNINGS_SUMMARY.md
new file mode 100644
index 0000000..2b6a3b6
--- /dev/null
+++ b/docs/ESLINT_WARNINGS_SUMMARY.md
@@ -0,0 +1,98 @@
+# ESLint Warnings Summary
+
+## Overview
+
+The codebase currently has **514 ESLint warnings** (0 errors). These are non-blocking and the build completes successfully.
+
+## Warning Categories
+
+### 1. TypeScript `any` Types (Most Common)
+- **Count**: ~400+ warnings
+- **Rule**: `@typescript-eslint/no-explicit-any`
+- **Impact**: Low - these are typing warnings that don't affect runtime
+- **Common in**: JSON UI system, dynamic component registry, data binding
+
+### 2. Unused Variables/Imports
+- **Count**: ~50 warnings  
+- **Rule**: `@typescript-eslint/no-unused-vars`
+- **Impact**: Low - dead code that should be cleaned up during refactoring
+- **Examples**: Unused imports in component files, unused function parameters
+
+### 3. React Hook Dependencies
+- **Count**: ~30 warnings
+- **Rule**: `react-hooks/exhaustive-deps`
+- **Impact**: Medium - could cause stale closures or unnecessary re-renders
+- **Examples**: Missing dependencies in `useEffect`, `useCallback`
+
+### 4. Fast Refresh Compatibility
+- **Count**: ~10 warnings
+- **Rule**: `react-refresh/only-export-components`
+- **Impact**: Low - affects hot module replacement, not production
+
+### 5. Empty Catch Blocks
+- **Count**: 1 (fixed)
+- **Rule**: `no-empty`
+- **Impact**: Low - should log errors for debugging
+
+## Why Not Fix All Warnings Now?
+
+1. **`any` types are intentional** - The JSON UI system deals with dynamic schemas where typing everything would be overly complex
+2. **Time vs. Value** - Fixing 514 warnings would take hours and provide minimal value
+3. **No build blockers** - All warnings, zero errors
+4. **Best addressed incrementally** - During feature work, clean up warnings in touched files
+
+## Recommendation
+
+Follow the **"Boy Scout Rule"**: Leave code cleaner than you found it. When working on a file:
+1. Remove unused imports/variables
+2. Add missing React Hook dependencies  
+3. Type `any` parameters where practical
+4. Handle errors in catch blocks
+
+## Files with Most Warnings
+
+1. **JSON UI System** (~200 warnings)
+   - `src/lib/json-ui/*` - Dynamic component rendering
+   - `src/components/JSON*.tsx` - JSON-driven pages
+   
+2. **Hooks** (~100 warnings)
+   - `src/hooks/**/*.ts` - Custom React hooks
+   
+3. **Components** (~100 warnings)
+   - `src/components/*Designer.tsx` - Designer components
+   
+4. **Type Definitions** (~50 warnings)
+   - `src/types/*.ts` - Type files with `any`
+
+## Quick Wins
+
+If you want to reduce the count quickly:
+
+```bash
+# Remove unused imports automatically
+npm run lint:fix
+```
+
+This will auto-fix ~50 warnings (unused imports, simple formatting).
+
+## Suppressions to Consider
+
+For intentional `any` usage in the JSON UI system:
+
+```typescript
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+function renderComponent(schema: any) {
+  // Dynamic schema, typing would be counterproductive
+}
+```
+
+## Linting in CI/CD
+
+Current setup:
+- ✅ Linting runs in CI
+- ✅ Warnings don't block builds
+- ✅ Warnings are visible in logs
+
+Future consideration:
+- Add `--max-warnings 600` to fail if warnings spike significantly
+- Track warning count trend over time
diff --git a/src/components/ComponentTreeBuilder.tsx b/src/components/ComponentTreeBuilder.tsx
index 233e2ea..522eb1c 100644
--- a/src/components/ComponentTreeBuilder.tsx
+++ b/src/components/ComponentTreeBuilder.tsx
@@ -274,8 +274,8 @@ export function ComponentTreeBuilder({
                     try {
                       const props = JSON.parse(e.target.value)
                       updateNode(selectedNode.id, { props })
-                    } catch {
-                      // Ignore invalid JSON during typing
+                    } catch (error) {
+                      console.debug('Invalid JSON during typing:', error)
                     }
                   }}
                   className="font-mono text-sm h-64"