feat: Implement Phase 2 cross-cutting services with email and notification enhancements

- Refactor email verification and password reset utilities to use new email service.
- Introduce email delivery queue and notification delivery model for better tracking.
- Enhance file validation and storage services for improved security and ownership management.
- Add cron job for cleaning inactive notifications with retention policy.
- Update document worker to handle document generation and storage more efficiently.
- Implement logging improvements in activity and log workers.
- Create comprehensive documentation for new API endpoints and services.
- Add unit tests for file validation and notification policies to ensure robustness.

app/routes/docs.routes.js

@@ -48,31 +48,8 @@ router.get("/view/:file", docsSession, (req, res) => {
 });
 
 // Docs login (simple)
-router.post("/login", sensitiveLimiter, (req, res) => {
-  const { username, password } = req.body;
+router.post("/login", sensitiveLimiter, (_req, res) => res.status(410).json({ success: false, error: { code: "DEPRECATED", message: "Use an authenticated ADMIN or SUPER_ADMIN session" } }));
 
-  if (
-    username === process.env.DOCS_USER &&
-    password === process.env.DOCS_PASS
-  ) {
-    res.cookie("docsAuth", "true", {
-      httpOnly: true,
-      sameSite: "lax",
-      secure: process.env.NODE_ENV === "production",
-    });
-
-    return res.json({ success: true });
-  }
-
-  return res.status(401).json({
-    success: false,
-    message: "Invalid credentials",
-  });
-});
-
-router.post("/logout", (req, res) => {
-  res.clearCookie("docsAuth");
-  res.json({ success: true });
-});
+router.post("/logout", (_req, res) => res.status(410).json({ success: false, error: { code: "DEPRECATED", message: "Use the authentication logout endpoint" } }));
 
 module.exports = router;