Reconcile main with origin/main + MCP transport + CrewAI 1.10 fixes

data/taxonomies/agentic-audiences-draft-2026-01/README.md

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+# IAB Agentic Audiences (DRAFT, 2026-01)
+
+This directory vendors the wire-format-relevant subset of the IAB Tech Lab
+Agentic Audiences specification, formerly known as User Context Protocol (UCP).
+
+| Field | Value |
+|-------|-------|
+| Version | draft-2026-01 |
+| Spec status | DRAFT (last upstream update 2026-01-28) |
+| Source repo | https://github.com/IABTechLab/agentic-audiences |
+| Fetched at | 2026-04-25T19:27:34Z |
+| Spec license | CC-BY-4.0 (https://creativecommons.org/licenses/by/4.0/) |
+| Reference impl license | Apache-2.0 (see `spec/LICENSE-APACHE`) |
+| Attribution | "IAB Agentic Audiences" by IAB Tech Lab; spec is licensed under CC BY 4.0; reference implementations are licensed under Apache 2.0. |
+
+## What is vendored
+
+We vendor only the wire-format-relevant subset:
+
+```
+spec/
+  UPSTREAM_README.md                       (upstream README — context only)
+  LICENSE                                  (upstream license notice)
+  LICENSE-APACHE                           (Apache-2.0 for reference impl)
+  roadmap.md                               (upstream specs/roadmap.md — currently empty placeholder)
+  docs/
+    systems-and-models.md                  (background on agentic systems and models)
+  v1.0/
+    embedding-exchange.md                  (wire format for embedding exchange)
+    embedding-taxonomy.md                  (taxonomy of embedding signals)
+    schema/
+      agent_interface.schema.json          (currently empty upstream)
+      embedding_format.schema.json         (JSON Schema for embedding payload)
+    examples/
+      buyer_agent_request.json             (currently empty upstream)
+      embedding_update.json                (reference example)
+      seller_agent_response.json           (currently empty upstream)
+```
+
+Empty files are reproduced verbatim from upstream — they are placeholders the
+spec authors haven't filled in yet. Sizes are pinned in `../taxonomies.lock.json`
+so any future fill-in will be detected.
+
+## Why this subset
+
+Per proposal §5.6, Agentic Audiences is the **dynamic carrier** for embedding
+references; Standard / Contextual taxonomies are static IDs. The seller side
+needs:
+
+1. The wire-format spec (`embedding-exchange.md`, `embedding_format.schema.json`)
+   to validate inbound `AudienceRef(type=agentic, ...)` payloads.
+2. The taxonomy of signal types (`embedding-taxonomy.md`) to mirror in seller
+   `AgenticCapabilities.supported_signal_types`.
+3. The reference example (`embedding_update.json`) to keep test fixtures aligned.
+
+We deliberately do NOT vendor the upstream `src/`, `prebid-module/`, or
+`community/` directories — those are reference implementations, not wire format.
+
+## Versioning
+
+Spec version pinned at `draft-2026-01`. The exact `sha256` of each vendored file
+is recorded in `../taxonomies.lock.json`. Refresh through
+`scripts/update-taxonomies.py` (proposal §5.4); treat as a manual reviewed update
+because the spec is still DRAFT and field shapes may change.
+
+## How this seller copy relates to the buyer copy
+
+The buyer ships the same vendored subset at
+`ad_buyer_system/data/taxonomies/agentic-audiences-draft-2026-01/`. Both sides
+emit the relevant `taxonomy_lock_hashes` in capability discovery (proposal §5.7)
+so any drift between buyer and seller copies is detected at runtime.

data/taxonomies/agentic-audiences-draft-2026-01/spec/LICENSE

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+Agentic Audiences
+Copyright (c) 2025 LiveRamp Holdings, Inc.
+
+======================================================================
+LICENSE OVERVIEW
+======================================================================
+
+This repository contains two types of materials, each with its own license:
+
+1. Specifications, schemas, and documentation
+   Licensed under: Creative Commons Attribution 4.0 International (CC BY 4.0)
+   See: https://creativecommons.org/licenses/by/4.0/
+
+2. Reference implementations, SDKs, and source code
+   Licensed under: Apache License 2.0
+   See: https://www.apache.org/licenses/LICENSE-2.0
+
+======================================================================
+LICENSE DETAILS
+======================================================================
+
+----------------------------------------------------------------------
+A. Specification and Documentation License (CC BY 4.0)
+----------------------------------------------------------------------
+
+Files covered:
+- All Markdown files under /specs and /docs
+- All schema and example files (.json, .yaml, .yml, .md) in the specification tree
+- Any whitepapers, diagrams, and explanatory materials describing Agentic Audiences
+
+Summary:
+You are free to share and adapt the specification for any purpose, provided
+that attribution is given to LiveRamp Holdings, Inc.
+
+Full license text available at:
+https://creativecommons.org/licenses/by/4.0/legalcode.txt
+
+Example attribution:
+"Portions of this work are based on Agentic Audiences,
+developed by LiveRamp Holdings, Inc. (CC BY 4.0)."
+
+----------------------------------------------------------------------
+B. Software and Reference Implementation License (Apache 2.0)
+----------------------------------------------------------------------
+
+Files covered:
+- Source code in /reference, /sdk, /tools, /tests, and related directories
+- Build and configuration files used to execute or test reference implementations
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this software except in compliance with the License.
+You may obtain a copy of the License at:
+
+    https://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software distributed
+under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+----------------------------------------------------------------------
+C. Contact
+----------------------------------------------------------------------
+
+For legal inquiries or permission requests, contact:
+
+LiveRamp Holdings, Inc.
+Attn: Legal Department – Agentic Audiences
+225 Bush Street, 17th Floor
+San Francisco, CA 94104
+Email: legal@liveramp.com
+
+======================================================================
+END OF LICENSE FILE
+======================================================================

data/taxonomies/agentic-audiences-draft-2026-01/spec/LICENSE-APACHE

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