docs: document project sponsorship roles

PRIVACY.md

@@ -2,7 +2,7 @@
 
 agentrust-trace-tests (the TRACE conformance suite) collects and transmits no personal data.
 
-It runs locally as a command-line tool. It processes only the inputs you give it, entirely on your machine, and sends no telemetry, analytics, or usage data to agentrust-io, OPAQUE, or any third party. There is no account, login, or tracking, and no cookies or background network calls.
+It runs locally as a command-line tool. It processes only the inputs you give it, entirely on your machine, and sends no telemetry, analytics, or usage data to the TRACE Tests project or any third party. There is no account, login, or tracking, and no cookies or background network calls.
 
 It reads only the record file you pass on the command line and makes no outbound calls.
 

SPONSORS.md

@@ -0,0 +1,19 @@
+# Sponsors
+
+TRACE Tests is an open-source AgenTrust project. Sponsors provide funding,
+engineering time, infrastructure, or other in-kind support. Sponsorship does
+not confer project ownership, governance authority, or control over technical
+decisions or conformance results.
+
+## Current sponsors
+
+### OPAQUE Systems
+
+Founding engineering and infrastructure sponsor, and contributor to the TRACE
+conformance ecosystem.
+
+## Recognition policy
+
+Sponsor recognition records support for the project. It does not represent an
+endorsement of a sponsor's products or grant influence over conformance
+criteria, test outcomes, or release decisions.

mkdocs.yml

@@ -170,6 +170,7 @@ nav:
   - Error Codes: docs/error-codes.md
   - Self-verification: measurement/REPORT.md
   - Project:
+      - Sponsors: SPONSORS.md
       - Changelog: CHANGELOG.md
       - Contributing: CONTRIBUTING.md
       - Code of Conduct: CODE_OF_CONDUCT.md