Add SAGE-SQL session manager app, shared work items board, update session log

- Session manager: self-service RDP session reset for Dataforth users (Default.aspx + web.config)
- WORKITEMS.md: shared task board for Mike/Howard with @tagging, syncs via Gitea
- Session log: deployment deferred due to VPN connectivity issues

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

clients/dataforth/session-manager/web.config

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+  <system.web>
+    <authentication mode="Windows" />
+    <authorization>
+      <deny users="?" />
+    </authorization>
+    <compilation targetFramework="4.0" />
+  </system.web>
+  <system.webServer>
+    <security>
+      <authentication>
+        <windowsAuthentication enabled="true" />
+        <anonymousAuthentication enabled="false" />
+      </authentication>
+    </security>
+  </system.webServer>
+</configuration>