hy3-preview context length metadata correction to 262144

Fixes on record

Merged to main. A stamp counts the issues a fix is linked to.

• #22805 fix(model-metadata): align hy3-preview static fallback + delete change-detector test (salvage #22574)

  merged to main

  files: agent/model_metadata.py, tests/hermes_cli/test_tencent_tokenhub_provider.py

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  • agent/model_metadata.py

    @@ -210,8 +210,10 @@ def _strip_provider_prefix(model: str) -> str:
         "grok": 131072,             # catch-all (grok-beta, unknown grok-*)
         # Kimi
         "kimi": 262144,
    -    # Tencent — Hy3 Preview (Hunyuan) with 256K context window
    -    "hy3-preview": 256000,
    +    # Tencent — Hy3 Preview (Hunyuan) with 256K context window.
    +    # OpenRouter live metadata reports 262144 (256 × 1024); align the
    +    # static fallback so cache and offline both agree (issue #22268).
    +    "hy3-preview": 262144,
         # Nemotron — NVIDIA's open-weights series (128K context across all sizes)
         "nemotron": 131072,
         # Arcee

  • tests/hermes_cli/test_tencent_tokenhub_provider.py

    @@ -304,12 +304,20 @@ def test_infer_from_url(self):
     
     
     class TestTencentTokenhubContextLength:
    -    """hy3-preview context length is registered."""
    +    """hy3-preview has a context-length entry registered.
     
    -    def test_hy3_preview_context_length(self):
    +    Asserting the relationship (registered + ≥ 4096) instead of a
    +    specific value, per AGENTS.md "Don't write change-detector tests".
    +    The previous version of this class pinned an exact integer that
    +    broke whenever Tencent / OpenRouter bumped the published context
    +    window (#22268).
    +    """
    +
    +    def test_hy3_preview_has_registered_context_length(self):
             from agent.model_metadata import get_model_context_length
             ctx = get_model_context_length("hy3-preview")
    -        assert ctx == 256000
    +        assert isinstance(ctx, int)
    +        assert ctx >= 4096, f"hy3-preview context length looks unset/wrong: {ctx}"
     
     
     # =============================================================================