feat: [CI] Gitea Actions runners dead on the-nexus — all workflows completing in 0s (#915)

Refs #915
Agent: groq

.gitea/workflows/ci.yml

@@ -7,7 +7,7 @@ on:
 
 jobs:
   validate:
-    runs-on: ubuntu-latest
+    runs-on: self-hosted
     steps:
       - name: Checkout
         uses: actions/checkout@v4

.gitignore

@@ -2,3 +2,4 @@ node_modules/
 test-results/
 nexus/__pycache__/
 tests/__pycache__/
+.aider*