Drop the test timeout from the Dockerfile; date the changed documents

Time limits go only in the CI workflow, so the test phase runs
test/commit-upstream-policy-files.sh with no timeout. REPO_POLICIES.md
and both checklists change in this PR, so their last_modified is
2026-11-11.

Model: opus-5-5

Dockerfile

@@ -42,7 +42,7 @@ RUN script/bootstrap
 
 COPY . .
 
-RUN timeout 90 test/commit-upstream-policy-files.sh
+RUN test/commit-upstream-policy-files.sh
 
 # Development environment, and the last stage: a plain `docker build .`
 # names no target and so builds this one. Nothing is wanted from the two

prompts/EXISTING_REPO_CHECKLIST.md

@@ -1,6 +1,6 @@
 ---
 title: Existing Repo Checklist
-last_modified: 2026-11-09
+last_modified: 2026-11-11
 ---
 
 Use this checklist when beginning work in a repo that may not yet conform to our

prompts/NEW_REPO_CHECKLIST.md

@@ -1,6 +1,6 @@
 ---
 title: New Repo Checklist
-last_modified: 2026-11-09
+last_modified: 2026-11-11
 ---
 
 Use this checklist when creating a new repository from scratch. Follow the steps

prompts/REPO_POLICIES.md

@@ -1,6 +1,6 @@
 ---
 title: Repository Policies
-last_modified: 2026-11-09
+last_modified: 2026-11-11
 ---
 
 This document covers repository structure, tooling, and workflow standards. Code