[AI] Fix multi-turn tool calling, add chat overlay, upgrade Agent Framework to rc2, and add CI pipelines#34124

Merged

mattleibow merged 75 commits intomainfrom

dev/fix-apple-tools

Mar 3, 2026

Commits on Feb 25, 2026

Fix multi-turn tool calling in AppleIntelligenceChatClient

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Add device tests for multi-turn tool calling

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Reset stream chunker across tool call boundaries

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Add chat overlay with 8 AI tools to sample app

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Add AI project to device tests skill and parameterize sandbox script

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Add Reset() unit tests for PlainText and Json stream chunkers

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Add new chat button and responsive panel sizing

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Right-align chat panel, add thinking indicator, fix post-tool bubble

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Simplify chat panel layout, add markdown rendering

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Use Markdig AST for markdown rendering in chat bubbles

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Fix weather tool, responsive panel sizing, remove date tool

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Fix chat history to preserve tool call context

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Add device tests for streaming multi-turn tool calling history

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Fix message ordering: add to history inline as content arrives

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Fix null sentinel, review findings, and add debug logging

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Revert BuildAndRunSandbox.ps1 to main — sandbox-specific changes

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Remove debug logging/dispatcher, fix transcript ordering, add tests

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Remove 'null' string guards — test proves they were unnecessary

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Fix thinking bubble removal and add ViewModel simulation tests

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Try fix AI's mistakes
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Protect streaming callbacks from unhandled exceptions

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Materialize IEnumerable<ChatMessage> to prevent double enumeration

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Flush chunker before reset on tool call

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Extract handler classes for testability

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Split ProcessUpdate into per-type methods and move to unit tests

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Move ChatBubble from Models to ViewModels

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Move NonStreamingResponseHandler to Platform/ with unit tests

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Modernize ChatBubbleViewModel and simplify prompt selection

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Extract per-role transcript conversion functions in Swift

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Inject StreamChunkerBase into StreamingResponseHandler

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Apply 3-model review fixes: cancel on error, default case, test improvements, schema simplification, Swift error handling

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Remove NonFunctionInvokingChatClient, use FunctionCallContent.InformationalOnly

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Improve ToolCallLoggingTests with proper per-level assertions

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Split ToolCallLoggingTests into InformationalOnly and Invocable files

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Use .UseLogging(loggerFactory) builder extension in tests

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Add tool call logging to AppleIntelligenceChatClient

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Move tool call logging into AIFunctionToolAdapter to wrap invocations

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Simplify tool call logging to use else-if instead of bool flags

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Versions
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Revert to simple DI registration for AppleIntelligenceChatClient

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Add device tests for FICC-style tool invocation logging

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Rewrite tool call logging tests with precise assertions

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Extract tool call logging tests into separate file

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Fix itinerary workflow stall after rc1 package upgrade

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Replace compactMap with explicit errors in Swift schema decoder

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Commits on Feb 26, 2026

Commits on Mar 2, 2026