Sync models from router (+5 added) (#2574)
feat: sync models from router (+5 added, 2 reasoning-capable, 3 artifacts, -0 removed)
Added (new on the router):
- deepseek-ai/DeepSeek-V4.1-Flash (reasoning, artifacts, max_tokens 49152 to
match the V4-Flash entries)
Restored (back on the router right after the previous prune; previous entries
reused verbatim):
- zai-org/GLM-4.5 (reasoning, artifacts)
- swiss-ai/Apertus-v1.5-70B (artifacts)
- swiss-ai/Apertus-v1.5-8B
- swiss-ai/Apertus-8B-Instruct-2509
