Misc changes

Update gitignore + adding some agent skills and tweaking workflows.
Also updated some scipts

.agent/workflows/build.md

@@ -3,14 +3,15 @@ description: Build the Juliet project using FastBuild
 ---
 
 // turbo-all
+// @auto-approve: true
 
 This workflow sets up the Juliet build environment and runs `fbuild`.
 
 1. To build a specific configuration (e.g., msvc-Debug):
-`cmd /c "misc\shell.bat & fbuild msvc-Debug"`
+`misc\agent_build.bat clang-Debug"`
 
 2. To build the default clang:
-`cmd /c "misc\shell.bat & fbuild clang"`
+`misc\agent_build.bat clang"`
 
 3. To see all available targets:
-`cmd /c "misc\shell.bat & fbuild -showtargets"`
+`misc\agent_build.bat -showtargets"`