chore: switch to shared r2-cache action from shared-ai-standards

.github/actions/setup-bun/action.yml

@@ -27,7 +27,7 @@ runs:
     - name: Restore node_modules from R2
       id: restore
       if: inputs.cache-token != ''
-      uses: ./.github/actions/r2-cache
+      uses: andreiships/shared-ai-standards/.github/actions/r2-cache@41b2466c374cddf778ed0ea5bb2d08db7d9939d7 # main
       with:
         action: restore
         key: opencode/node-modules/${{ runner.os }}/${{ hashFiles('**/bun.lock') }}
@@ -39,6 +39,7 @@ runs:
           sdks/*/node_modules
         cache-token: ${{ inputs.cache-token }}
         axiom-token: ${{ inputs.axiom-token }}
+        metrics-script: scripts/ci/r2-cache-metrics.sh
 
     - name: Install dependencies
       if: steps.restore.outputs.cache-hit != 'true'
@@ -47,7 +48,7 @@ runs:
 
     - name: Save node_modules to R2
       if: inputs.cache-token != '' && steps.restore.outputs.cache-hit != 'true'
-      uses: ./.github/actions/r2-cache
+      uses: andreiships/shared-ai-standards/.github/actions/r2-cache@41b2466c374cddf778ed0ea5bb2d08db7d9939d7 # main
       with:
         action: save
         key: opencode/node-modules/${{ runner.os }}/${{ hashFiles('**/bun.lock') }}
@@ -59,3 +60,4 @@ runs:
           sdks/*/node_modules
         cache-token: ${{ inputs.cache-token }}
         axiom-token: ${{ inputs.axiom-token }}
+        metrics-script: scripts/ci/r2-cache-metrics.sh

.github/workflows/pr-standards.yml

@@ -105,8 +105,8 @@ jobs:
 
             await removeLabel('needs:title');
 
-            // Check for linked issue (skip for docs/refactor PRs)
-            const skipIssueCheck = /^(docs|refactor)\s*(\([a-zA-Z0-9-]+\))?\s*:/.test(title);
+            // Check for linked issue (skip for docs/refactor/chore PRs — maintenance tasks don't need issues)
+            const skipIssueCheck = /^(docs|refactor|chore)\s*(\([a-zA-Z0-9-]+\))?\s*:/.test(title);
             if (skipIssueCheck) {
               await removeLabel('needs:issue');
               console.log('Skipping issue check for docs/refactor PR');