Python: add agent-framework-hosting-entra identity-link helpers#5644
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eavanvalkenburg wants to merge 2 commits intomicrosoft:feature/python-hostingfrom
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Python: add agent-framework-hosting-entra identity-link helpers#5644eavanvalkenburg wants to merge 2 commits intomicrosoft:feature/python-hostingfrom
eavanvalkenburg wants to merge 2 commits intomicrosoft:feature/python-hostingfrom
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New ``agent-framework-hosting`` package implementing ADR 0026 / SPEC-002:
the channel-neutral host that lets a single ``Agent`` (or ``Workflow``)
fan out across multiple wire protocols ("channels") behind one Starlette
ASGI app.
Surface (re-exported from ``agent_framework_hosting``):
- ``AgentFrameworkHost`` — wraps a hostable target, mounts channels onto
an ASGI app, owns per-isolation-key ``AgentSession`` reuse, threads
request context (``response_id`` / ``previous_response_id``) into
context providers via an ``ExitStack`` of ``bind_request_context``
calls, and exposes an opt-in Hypercorn ``serve()`` helper (extra
``[serve]``).
- ``Channel`` protocol + ``ChannelContribution`` — the surface a channel
package implements (routes, lifespans, identity hooks, …).
- ``ChannelRequest`` / ``ChannelSession`` / ``ChannelIdentity`` /
``ChannelPush`` / ``ChannelCommand[Context]`` / ``ChannelRunHook`` /
``ChannelStreamTransformHook`` / ``DeliveryReport`` /
``HostedRunResult`` / ``ResponseTarget`` / ``ResponseTargetKind`` /
``apply_run_hook`` — channel-side dataclasses + helpers.
- ``IsolationKeys`` + ``ISOLATION_HEADER_USER`` / ``..._CHAT`` +
``get/set/reset_current_isolation_keys`` — the host's ASGI middleware
reads the ``x-agent-{user,chat}-isolation-key`` headers off each
inbound request and exposes them to the agent stack via a
``ContextVar`` so storage-side providers (e.g.
``FoundryHostedAgentHistoryProvider``) can apply per-tenant
partitioning without channels having to forward anything.
Includes 45 unit tests covering the host, channel contributions,
isolation contextvar, and shared types. Registers the package in
``python/pyproject.toml`` ``[tool.uv.sources]`` and adds the matching
pyright ``executionEnvironments`` entry for tests.
Hypercorn is an optional dependency (``[serve]`` extra); the soft import
in ``serve()`` is annotated for pyright since it isn't on the default
install.
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
New ``agent-framework-hosting-entra`` package implementing a Microsoft Entra OAuth-based identity-linking channel for the Hosting framework. Mounts a small set of routes (``/entra/login``, ``/entra/callback``, ``/entra/whoami``) that walk a user through an Entra/Azure AD authorization-code flow and stick the resulting verified identity (``oid`` / ``email`` / ``tid``) onto the host's identity table so later requests on any other channel (Responses, Telegram, …) can be linked to the same user. Surface (re-exported from ``agent_framework_hosting_entra``): - ``EntraChannel`` -- concrete ``Channel`` implementation. Owns the three Starlette routes, signs/verifies short-lived ``state`` tokens to bind the round-trip to the originating channel, exchanges the authorization code for an ID token via MSAL, and writes the verified identity into the host's identity store via the standard ``ChannelIdentity`` plumbing so cross-channel push (e.g. send a Telegram message to the user who completed the link from Responses) works without the channels having to coordinate directly. - 14 unit tests covering route wiring, ``state`` issue / verify, callback exchange happy + failure paths, and identity-store write. Registers the package in ``python/pyproject.toml`` ``[tool.uv.sources]`` and adds the matching pyright ``executionEnvironments`` entry. Stacks on PR-2 (Hosting core); independent of PR-3 / PR-4 / PR-6. The cross-channel sample (``local_identity_link/``) that demonstrates this end-to-end alongside Responses + Telegram lands in PR-8 (samples). Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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Motivation and Context
Implements the identity-link helpers from SPEC-002 §"Linker / Cross-channel continuity" (merged via #5549). Provides the Entra (OAuth) sidecar that backs the cross-channel
local_identity_linksample.Description
Adds
agent-framework-hosting-entra(python/packages/hosting-entra/):LinkStore.LinkStoreinterface so apps can persist the link wherever they want.Stack
PR-7 of 9. Depends on #PR-2 (
feat/hosting-core). The cross-channel sample that exercises this is in PR-8 (intentionally — keeps this PR small and free of transitive deps on PR-3 + PR-6).Contribution Checklist