v0.11.2

What's Changed

• fix(gateway): remap upstream_model in embedding-specific route by @Oaklight in #586
• refactor(gateway): normalize base_url to prevent double version prefixes by @Oaklight in #588
• feat(gateway): tool search foundation — vendor sparse_search + native passthrough by @Oaklight in #593
• fix(converter): deduplicate chat finish events (#589) by @Oaklight in #592
• chore(vendor): update httpclient 0.4.5→0.4.6, sse 0.3.2→0.3.3 by @Oaklight in #594

Full Changelog: v0.11.1...v0.11.2