Update library patches and licensing attribution

docs/roadmap/policy.md

@@ -3,9 +3,8 @@
 ## Status
 
 Accepted feature direction, recorded on 2026-09-26; implementation is pending.
-Align the policies and supporting documentation with the standard policy
-repository at commit `dafa823981004d4d58a5eb1b59a84ffebbd979da`, reviewed in
-`../policy`. This roadmap defines the target state, not an implementation
+Align the policies and supporting documentation with the agreed licensing
+conventions below. This roadmap defines the target state, not an implementation
 sequence. The [OSS policy](../policy/oss.md) will own the ongoing rules.
 
 ## Current Baseline
@@ -19,10 +18,10 @@ adoption record in Git. Current policy versions are:
 - release policy base version 1.2.
 
 The maintainer has already changed the project grant to GPL-3.0-or-later.
-[COPYRIGHT](../../COPYRIGHT) follows the upstream application convention,
+[COPYRIGHT](../../COPYRIGHT) follows the agreed application convention,
 including project identity, copyright holder and year, SPDX expression,
 grant, disclaimer, and third-party statement. [LICENSE](../../LICENSE) contains
-the complete GPLv3 text; its only byte-level difference from the upstream
+the complete GPLv3 text; its only byte-level difference from the standard
 reference is a missing final newline. No substantive rewrite is needed.
 
 Remaining differences are documentation and policy alignment:
@@ -44,9 +43,9 @@ the checked-in release note unchanged as the hosted body.
 ### Licensing Policy And Ownership
 
 Adopt OSS policy base version **1.2** and documentation policy base version
-**1.5**, preserving Scriptorium-specific customizations. Upstream's agent,
-architecture, testing, and release templates have no new changes in this
-update; their local versions remain unchanged.
+**1.5**, preserving Scriptorium-specific customizations. Agent, architecture,
+testing, and release policies need no changes for this adoption; their versions
+remain unchanged.
 
 | Canonical document | Target responsibility |
 | --- | --- |
@@ -85,9 +84,7 @@ maintaining a separate footer.
 
 - **[OSS policy](../policy/oss.md):** adopt the v1.2 scope, author-choice rules,
   canonical locations, coordinated maintenance, and navigation conventions.
-  Use Scriptorium's actual grant in examples. Adapt template references to
-  local files; do not retain adoption instructions or links to absent example
-  directories.
+  Use Scriptorium's actual grant in examples and link to local canonical files.
 - **[Documentation policy](../policy/documentation.md):** adopt the v1.5
   ownership entries and project-licensing boundary. Preserve local ownership,
   minimal-example guidance, ADR lifecycle, and policy metadata conventions.
@@ -107,8 +104,8 @@ maintaining a separate footer.
   the canonical release procedure. Preserve historical completion evidence.
 - **Licensing files:** preserve the already-aligned grant and text. Restoring
   `LICENSE`'s final newline is optional mechanical alignment, not a substantive
-  correction or new release gate. Do not copy the entire upstream license
-  collection or generic COPYRIGHT examples into Scriptorium unnecessarily.
+  correction or new release gate. Obtain any needed standard license texts
+  from their public publishers; no additional license collection is needed.
 
 ## Preserved Scope
 
@@ -134,7 +131,7 @@ Version selection and publication remain separate preparation work under the
 
 ## Completion Criteria
 
-- The two updated policies identify the selected upstream versions and actual
+- The two updated policies identify the selected base versions and actual
   adoption date, preserving local customizations and settled scope.
 - Current project-license descriptions agree with `COPYRIGHT`; documentation
   distinguishes the grant, complete text, and upstream attribution.