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  • gemma4: update renderer to match new jinja template (#15490)

    frostbyte_neo 发布于 2026-04-10 22:45:27 +00:00

    • gemma4: update renderer to match new jinja template

    Google has updated their jinja template for gemma4, and so this change
    gives us parity with the new template. The parsing also slightly changed
    upstream, so we make a small change to our parser as well.

    I've also corrected a few probably existing edge cases, especially
    around type unions. The upstream output format is weird (a stringified
    array), but in practice the models seem to understand it well.

    • gemma4: special case simple AnyOfs

    The upstream template doesn't handle AnyOfs, but since in the previous
    commit we saw type unions work reasonably well, I'm now treating very
    simple AnyOfs as type unions to help in cases where they might be used

    • fix lint

    • gemma4: prefer empty instead of None

    We can't currently distinguish between a result being not-present vs.
    empty. The empty case seems more important (e.g., a legitimately empty
    tool call)

    • gemma4: be more careful for tool results with missing IDs
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