Anchor binary patterns in .gitignore to repo root

Prefix binary names with / so they only match compiled binaries at the
repo root, not cmd/ source directories of the same name (e.g. test-kosmi
was hiding cmd/test-kosmi/). Also add get-kosmi-token binary entry.

Made-with: Cursor

.gitignore

@@ -1,18 +1,19 @@
-# Binaries
-matterbridge
-test-kosmi
-capture-auth
-monitor-ws
-test-image-upload
-test-long-title
-test-proper-roomcodes
-test-roomcode-image
-test-session
-test-upload
-test-websocket
-test-websocket-direct
-cmd/kosmi-client/kosmi-clien
-cmd/kosmi-client/kosmi-client
+# Binaries (anchored to repo root so cmd/ source dirs aren't excluded)
+/matterbridge
+/test-kosmi
+/capture-auth
+/monitor-ws
+/test-image-upload
+/test-long-title
+/test-proper-roomcodes
+/test-roomcode-image
+/test-session
+/test-upload
+/test-websocket
+/test-websocket-direct
+/cmd/kosmi-client/kosmi-clien
+/cmd/kosmi-client/kosmi-client
+/cmd/get-kosmi-token/get-kosmi-token
 *.exe
 *.dll
 *.so