Remove 12GB model files from git tracking

models/*.gguf (10.2GB + 774MB + 508MB) and *.tqm were committed
to git history, bloating .git/objects/pack to 12GB.

Files remain on disk but are now in .gitignore.
To reclaim .git space: git filter-repo or fresh clone needed.

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

Author: unamedkr

.gitignore

@@ -42,3 +42,5 @@ refs/.venv/
 .venv/
 refs/
 models/.claude/worktrees/
+*.gguf
+models/