chore: delete orphan lib modules

.gitignore

@@ -591,7 +591,6 @@ apps/web/src/layouts/TailusLayout.astro
 apps/web/src/lib/content/features.ts
 apps/web/src/lib/content/intro.ts
 apps/web/src/lib/content/scenarios.ts
-apps/web/src/lib/metaaligner/explainability/visualization.tsx
 apps/web/src/lib/services/emotionTracking.ts
 apps/web/src/lib/supabase.ts
 apps/web/src/lib/utils/code-splitting.ts

.oxlintrc.json

@@ -9,7 +9,6 @@
     "apps/web/public/polyfills/**/*.js",
     ".github/cookbook/**/*.ts",
     ".github/cookbook/**/*.tsx",
-    "apps/web/src/lib/business-strategy/**/*.ts",
     "apps/web/src/lib/collaboration/**/*.ts",
     "apps/web/src/lib/ai/modelOptimizer.ts",
     "apps/web/src/lib/export/index.node.ts",
@@ -421,7 +420,6 @@
         "apps/web/src/**/*.spec.ts",
         "apps/web/src/**/*.spec.tsx",
         "tests/**/*",
-        "apps/web/src/lib/business-strategy/**/*",
         "apps/web/src/lib/collaboration/**/*"
       ],
       "rules": {

apps/web/src/lib/auth/dual-write.ts

@@ -3,8 +3,8 @@
  *
  * During the cutover from direct `auth0UserService` calls to the
  * `IdentityProvider` abstraction, this module compares the two paths and
- * reports any discrepancies. When the comparison passes consistently, the
- * `auth-legacy.ts` shim can be removed.
+ * reports any discrepancies. When the comparison passes consistently, legacy
+ * direct Auth0 call sites can be removed.
  *
  * Activation (env flags):
  *   AUTH_DUAL_WRITE=true          → compare every call

apps/web/src/lib/auth/identity-provider.ts

@@ -1,7 +1,7 @@
 /**
  * IdentityProvider abstraction.
  *
- * Decouples consumer code (user-identity.ts, auth-legacy.ts, session.ts) from
+ * Decouples consumer code (user-identity.ts, session.ts) from
  * the underlying identity provider (currently Auth0). A future second provider
  * (e.g. Okta, Cognito) can ship as a new implementation of this interface
  * without touching the call sites.