Broad bug hunt: auth flow, WS edge cases, and build hygiene.

Scope API auth to /api/v1, fix dashboard WebSocket 401s, session login in Calibrate, safe agent naming, reconnect races, and remove corrupt ollama/main.go.

run.bat

@@ -4,6 +4,11 @@ title AetherForge Control Server
 cd /d "%~dp0"
 set "ROOT=%CD%"
 
+:: Remove corrupt empty Go file that breaks server builds (accidental placeholder).
+if exist "server\internal\ollama\main.go" (
+  for %%F in ("server\internal\ollama\main.go") do if %%~zF==0 del "server\internal\ollama\main.go"
+)
+
 echo.
 echo  ==============================================================
 echo       AetherForge - Control Server Launcher