v1.68.0

1.68.0 (2026-03-17)

[Interactions] Breaking change to Interactions API to refactor TextContent annotations to use specific citation types (6c3379f)
[Interactions] Breaking change for Interactions, rename ContentDelta unions. (1b03909)
[Interactions] Breaking change to Interactions API to rename rendered_content to search_suggestions (0e21c4e)

[Interactions] Add and update 'signature' fields for tool call/result content types. (d896373)
[Interactions] Support Google Maps in Interactions (68f247c)
Support include_server_side_tool_invocations for genai. (546440c)

deps: Correct typing-extensions constraint (1.67 Issue)[https://github.com/googleapis/python-genai/releases/tag/v1.67.0] (9a4fd39)
Python 3.10-3.11 breakage caused by https://github.com/googleapis/python-genai/pull/2131 (9a4fd39)
Treat attempts=0 as attempts=1 in retry options to ensure no retries (2856c0a)