From e7510010978441c84b5eda707c35e651761e7dbb Mon Sep 17 00:00:00 2001
From: Carlos Hernandez-Vaquero <carloshvp@gmail.com>
Date: Sun, 25 Oct 2026 20:08:37 +0100
Subject: [PATCH] fix(ci): select supported Ubuntu for Python 3.9

Signed-off-by: Carlos Hernandez-Vaquero <carloshvp@gmail.com>
---
 .github/workflows/agentrust-codex-tests.yml | 2 +-
 .github/workflows/capture-core-tests.yml    | 2 +-
 .github/workflows/copilot-tests.yml         | 2 +-
 .github/workflows/cursor-tests.yml          | 2 +-
 .github/workflows/gemini-cli-tests.yml      | 2 +-
 .github/workflows/windsurf-tests.yml        | 2 +-
 6 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/.github/workflows/agentrust-codex-tests.yml b/.github/workflows/agentrust-codex-tests.yml
index 5c74f940..73617bb8 100644
--- a/.github/workflows/agentrust-codex-tests.yml
+++ b/.github/workflows/agentrust-codex-tests.yml
@@ -20,7 +20,7 @@ permissions:
 
 jobs:
   drift-without-signing:
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.python-version == '3.9' && 'ubuntu-24.04' || 'ubuntu-latest' }}
     strategy:
       fail-fast: false
       matrix:
diff --git a/.github/workflows/capture-core-tests.yml b/.github/workflows/capture-core-tests.yml
index ce80d4ef..37cc570d 100644
--- a/.github/workflows/capture-core-tests.yml
+++ b/.github/workflows/capture-core-tests.yml
@@ -19,7 +19,7 @@ jobs:
   # installed, so the core must work on the standard library alone. 3.9 is the
   # floor because the scheduled-agents matrix tests it.
   core:
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.python-version == '3.9' && 'ubuntu-24.04' || 'ubuntu-latest' }}
     strategy:
       matrix:
         python-version: ["3.9", "3.11", "3.12", "3.13"]
diff --git a/.github/workflows/copilot-tests.yml b/.github/workflows/copilot-tests.yml
index da48a691..6ea3bf4b 100644
--- a/.github/workflows/copilot-tests.yml
+++ b/.github/workflows/copilot-tests.yml
@@ -18,7 +18,7 @@ jobs:
   # Standard library only, so the composite action needs no install step. 3.9 is
   # the floor the shared core supports.
   tests:
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.python-version == '3.9' && 'ubuntu-24.04' || 'ubuntu-latest' }}
     strategy:
       matrix:
         python-version: ["3.9", "3.11", "3.12", "3.13"]
diff --git a/.github/workflows/cursor-tests.yml b/.github/workflows/cursor-tests.yml
index 9c1cc7c3..ee57512e 100644
--- a/.github/workflows/cursor-tests.yml
+++ b/.github/workflows/cursor-tests.yml
@@ -16,7 +16,7 @@ permissions:
 
 jobs:
   tests:
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.python-version == '3.9' && 'ubuntu-24.04' || 'ubuntu-latest' }}
     strategy:
       matrix:
         python-version: ["3.9", "3.11", "3.12", "3.13"]
diff --git a/.github/workflows/gemini-cli-tests.yml b/.github/workflows/gemini-cli-tests.yml
index 7ef36394..8ea34115 100644
--- a/.github/workflows/gemini-cli-tests.yml
+++ b/.github/workflows/gemini-cli-tests.yml
@@ -16,7 +16,7 @@ permissions:
 
 jobs:
   tests:
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.python-version == '3.9' && 'ubuntu-24.04' || 'ubuntu-latest' }}
     strategy:
       matrix:
         python-version: ["3.9", "3.11", "3.12", "3.13"]
diff --git a/.github/workflows/windsurf-tests.yml b/.github/workflows/windsurf-tests.yml
index b3afa65a..27b85168 100644
--- a/.github/workflows/windsurf-tests.yml
+++ b/.github/workflows/windsurf-tests.yml
@@ -16,7 +16,7 @@ permissions:
 
 jobs:
   tests:
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.python-version == '3.9' && 'ubuntu-24.04' || 'ubuntu-latest' }}
     strategy:
       matrix:
         python-version: ["3.9", "3.11", "3.12", "3.13"]