feat(models): add anthropic/claude-fable-5 to openrouter + nous curated lists (#42979)

Adds the model above claude-opus-4.8 in both the OpenROUTER_MODELS and
_PROVIDER_MODELS['nous'] curated picker lists used by /model and
`hermes model`. Regenerated website/static/api/model-catalog.json to match.

hermes_cli/models.py

@@ -33,6 +33,7 @@ COPILOT_REASONING_EFFORTS_O_SERIES = ["low", "medium", "high"]
 # (model_id, display description shown in menus)
 OPENROUTER_MODELS: list[tuple[str, str]] = [
     # Anthropic
+    ("anthropic/claude-fable-5",               ""),
     ("anthropic/claude-opus-4.8",              ""),
     ("anthropic/claude-opus-4.8-fast",         "2x price, higher output speed"),
     ("anthropic/claude-sonnet-4.6",            ""),
@@ -154,6 +155,7 @@ def _xai_curated_models() -> list[str]:
 _PROVIDER_MODELS: dict[str, list[str]] = {
     "nous": [
         # Anthropic
+        "anthropic/claude-fable-5",
         "anthropic/claude-opus-4.8",
         "anthropic/claude-sonnet-4.6",
         "anthropic/claude-haiku-4.5",