docs(wood-paneling): fix line reference and build commands

- Phase 5: Change line number to structural reference (before closing brace)
- Fix all TypeScript build commands from 'npm run build' to 'npm run build:ts'
- Ensures plan aligns with actual package.json scripts
- Prevents execution failures during implementation

WOOD_PANELING_PLAN.md

@@ -55,7 +55,7 @@ The current "wood themes" were implemented as color themes with CSS gradients, b
 3. Verify commit succeeded before proceeding
 
 **Post-Edit Verification (MANDATORY):**
-- After each file edit: Run `go build ./...` for Go files, `npm run build` for TypeScript
+- After each file edit: Run `go build ./...` for Go files, `npm run build:ts` for TypeScript
 - Review `git diff` to verify only intended changes
 - Never proceed to next file until current edit compiles successfully
 
@@ -208,7 +208,7 @@ safelist: [
 #### Verification Steps:
 ```bash
 # Build TypeScript
-npm run build
+npm run build:ts
 
 # Verify: Build succeeds with no TypeScript errors
 # Verify: No references to wood themes remain in theme.ts
@@ -413,7 +413,7 @@ const WOOD_STORAGE_KEY = 'wood-paneling';
 #### Verification Steps:
 ```bash
 # Build TypeScript
-npm run build
+npm run build:ts
 
 # Verify: woodPaneling.js compiled successfully to web/static/
 # Verify: No TypeScript errors
@@ -505,7 +505,7 @@ if (typeof document !== 'undefined') {
 #### Verification Steps:
 ```bash
 # Build TypeScript
-npm run build
+npm run build:ts
 
 # Verify: themeDropdown.js compiled successfully to web/static/
 # Verify: No TypeScript errors
@@ -558,7 +558,7 @@ npm run build:css
 # Verify: No errors in build output
 
 # Full build
-npm run build
+npm run build:ts
 
 # Verify: Full build succeeds
 ```
@@ -581,7 +581,7 @@ git commit -m "feat(tailwind): add wood texture background utilities
 
 #### File: `web/static/input.css`
 
-**Add to `@layer components` (after line 225):**
+**Add to `@layer components` section (before closing brace, after existing rules):**
 
 ```css
 /* Active/inactive states for theme and wood paneling buttons */
@@ -607,7 +607,7 @@ npm run build:css
 # Verify: No errors
 
 # Full build
-npm run build
+npm run build:ts
 ```
 
 #### Git Commit:
@@ -949,7 +949,7 @@ git commit -m "docs(user): add themes and wood paneling guide
 #### Final Verification:
 ```bash
 # Build everything
-npm run build
+npm run build:ts
 npm run build:css
 go build ./...