2.2.0

What's Changed

• test: add e2e/issues directory with issue #194 regression test by @robert-j-y in #369
• test: add regression test for issue #248 (Gemini web search empty responses) by @robert-j-y in #377
• test: add regression test for issue #237 (reasoning line breaks) by @robert-j-y in #372
• test: add regression test for issue #212 (Anthropic web search :online error) by @robert-j-y in #376
• test: add regression test for issue #269 (image_size parameter support) by @robert-j-y in #370
• test: add regression test for issue #196 (Anthropic 1-hour cache TTL) by @robert-j-y in #378
• test: add e2e regression test for issue #190 (streamObject flush error) by @robert-j-y in #373
• test: add regression test for issue #181 (tool response for image) by @robert-j-y in #371
• test: add regression test for issue #234 prompt caching behavior by @robert-j-y in #375
• test: add regression test for issue #199 (PDF processing with OpenAI models) by @robert-j-y in #374
• test: add issue regression test infrastructure and issue #194 test by @robert-j-y in #379
• test: add regression tests for issues #287 and #341 by @robert-j-y in #380
• fix: include accumulated reasoning_details in reasoning-end event + regression test by @robert-j-y in #395
• docs: fix missing ai-sdk-v5 npm tag by using pinned version in README by @robert-j-y in #397
• Version Packages by @github-actions[bot] in #396
• feat: add support for reasoning effort values xhigh, minimal, none by @robert-j-y in #398
• Version Packages by @github-actions[bot] in #400
• fix: always use array content for system messages with block-level cache control by @robert-j-y in #399
• Version Packages by @github-actions[bot] in #401

Full Changelog: 2.1.1...2.2.0