ci: disable redundant GH Actions turbo cache on cluster runner jobs, remove pr-cleanup workflow

Author: odinr

.github/workflows/ci.yml

@@ -102,6 +102,8 @@ jobs:
       - name: Setup node and install deps
         if: steps.check.outputs.should-publish == 'true'
         uses: ./.github/actions/node-setup
+        with:
+          turbo-cache: false
 
       # Build the extension and its workspace dependencies (lsp, rules, core)
       # in the correct order — vsce does not run the "prepack" build hook.

.github/workflows/copilot-setup-steps.yml

@@ -25,6 +25,8 @@ jobs:
 
       - name: Setup node and install deps
         uses: ./.github/actions/node-setup
+        with:
+          turbo-cache: false
 
       # Cross-package type resolution relies on built `dist` output. Without this,
       # the agent's first `tsc`/`vitest` run fails on unresolved workspace imports.

.github/workflows/pr-cleanup.yml

@@ -52,7 +52,7 @@ jobs:
       - name: Setup node and install deps
         uses: ./.github/actions/node-setup
         with:
-          turbo-cache: true
+          turbo-cache: false
 
       - uses: reviewdog/action-setup@v1
 

.github/workflows/pr.yml

@@ -47,6 +47,8 @@ jobs:
 
       - name: Setup node and install deps
         uses: ./.github/actions/node-setup
+        with:
+          turbo-cache: false
 
       - name: Create snapshot
         uses: ./.github/actions/changeset-snapshot