Add agent tooling, policies, toolkits, and persistence#293
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Build out the agent runtime on top of the Agent API and tracing: tools for composing agents, declarative tool policies, standard toolkits, and pluggable state/artifact stores for resumable runs. - Subagent tools: agent_tool() wraps an Agent as a callable tool and propagates trace context to the nested run - Tool policies: declarative AllowAllToolPolicy / DenyAllToolPolicy / AllowToolsPolicy / RequireApprovalPolicy, ToolMetadata, and a tool() decorator for attaching metadata - Toolkits: standard file, shell, and git toolkits - Persistence: StateStore (in-memory, file, Postgres) with compaction records and StoredRunState for resumable runs, plus ArtifactStore (in-memory, file) for large tool payloads - Normalized model trace events (tracing/normalize) for consistent model input/response capture - tests for subagent tools, policies, toolkits, and state/artifact stores Co-authored-by: Rohit <rohit.prasad15@gmail.com>
rohitprasad15
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Jun 10, 2026
tomllib is stdlib only from 3.11; the unguarded import killed the whole 3.10 build_and_test job at collection (red on main since #293) and fail-fast cancelled the 3.11/3.12 jobs. Only the one pyproject-parsing test needs it, so it skips on 3.10.
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Build out the agent runtime on top of the Agent API and tracing: tools for composing agents, declarative tool policies, standard toolkits, and pluggable state/artifact stores for resumable runs.