Release 0.6.5

What's Changed

• Remove chunking by @lukehinds in #282
• Upstream have deprecated camel case by @lukehinds in #284
• structlog-style keyword arguments directly with logger.info() by @lukehinds in #285
• Fix up types in dispatcher by @lukehinds in #286
• Fix up types in openai by @lukehinds in #287
• Set default type for mime_type by @lukehinds in #288
• Set types in various core files by @lukehinds in #289
• Improve type coverage in app.py by @lukehinds in #290
• Rename assistant to agent, to conform with A2A by @lukehinds in #292
• Release 0.6.5 by @lukehinds in #293
• Bump types-pyyaml from 6.0.12.20250809 to 6.0.12.20250822 by @dependabot[bot] in #294
• Bump ruff from 0.12.9 to 0.12.10 by @dependabot[bot] in #295
• Bump mkdocs-material from 9.6.17 to 9.6.18 by @dependabot[bot] in #296
• Bump mcp from 1.13.0 to 1.13.1 by @dependabot[bot] in #297
• Eliminated dual conversation storage and streamlined A2A protocol compliance by @lukehinds in #298

Full Changelog: v0.6.4...v0.6.5