Add anti-pattern detection CLI, browser visualizer, gallery page, and build DRY refactor

- Anti-pattern detector script (source/skills/critique/scripts/detect-antipatterns.mjs):
  CLI tool that scans files/dirs for UI anti-patterns via regex. Detects side-tab
  accent borders and border-accent-on-rounded patterns across Tailwind, CSS, JSX.
  Context-aware: skips safe elements (blockquotes, nav, inputs, code), neutral
  colors, and adjusts thresholds based on border-radius co-occurrence.

- Browser visualizer (public/js/detect-antipatterns-browser.js):
  Drop-in script that highlights anti-patterns directly in the browser with
  labeled overlays. Two modes: "static" (regex, matches CLI) and "computed"
  (getComputedStyle, catches CSS cascade). Scans both inline styles and
  <style> blocks.

- Gallery of Shame (public/gallery.html):
  Standalone page showcasing 11 AI anti-pattern examples with thumbnails
  and links. Anti-pattern example pages updated from 1080x1080 Twitter
  format to responsive layouts, labels removed, screenshots retaken at 16:10.

- Critique skill updated to run detector before manual review.

- Build system: skills now support scripts/ directories alongside reference/.
  All 8 provider transformers refactored to use shared.js (DRY).

- 58 new tests covering detection logic, fixtures, CLI integration.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

scripts/lib/utils.js

@@ -140,6 +140,22 @@ export function readSourceFiles(rootDir) {
             }
           }
 
+          // Read script files if they exist
+          const scripts = [];
+          const scriptsDir = path.join(entryPath, 'scripts');
+          if (fs.existsSync(scriptsDir)) {
+            const scriptFiles = fs.readdirSync(scriptsDir).filter(f => fs.statSync(path.join(scriptsDir, f)).isFile());
+            for (const scriptFile of scriptFiles) {
+              const scriptPath = path.join(scriptsDir, scriptFile);
+              const scriptContent = fs.readFileSync(scriptPath, 'utf-8');
+              scripts.push({
+                name: scriptFile,
+                content: scriptContent,
+                filePath: scriptPath
+              });
+            }
+          }
+
           skills.push({
             name: frontmatter.name || entry.name,
             description: frontmatter.description || '',
@@ -152,7 +168,8 @@ export function readSourceFiles(rootDir) {
             context: frontmatter.context || null,
             body,
             filePath: skillMdPath,
-            references
+            references,
+            scripts
           });
         }
       }