fix(gating): ignore repo CLAUDE.md/AGENTS.md; builtin age; add auto-Niri autostart

dot_config/fish/auto-Niri.fish

@@ -0,0 +1,5 @@
+# Auto start Niri on tty1
+if test -z "$DISPLAY" ;and test "$XDG_VTNR" -eq 1
+    mkdir -p ~/.cache
+    exec niri-session > ~/.cache/niri.log 2>&1
+end