feat: commit per batch + squash at end

Zero data loss: commit+push after every batch
(~1,248 commits during run). Final workflow step
squashes all into one clean commit.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Co-Authored-By: wackerow <54227730+wackerow@users.noreply.github.com>

Author: 3 people

.github/workflows/branch-task.yml

@@ -46,14 +46,22 @@ jobs:
           GEMINI_API_KEY: ${{ secrets.GEMINI_API_KEY }}
         run: npx tsx scripts/generate-translations-sdk.ts
 
-      - name: Final commit and push
+      - name: Squash all translation commits into one
         run: |
-          git add scripts/translations/
-          if git diff --staged --quiet; then
-            echo "No new translations to commit"
-          else
-            git commit -m "data: glossary translations (final batch)
+          # Find the commit before the first translation commit
+          BASE=$(git log --oneline --format="%H" -- scripts/translations/ | tail -1)
+          PARENT=$(git log --oneline --format="%H" ${BASE}^ -1 2>/dev/null || echo "")
+          if [ -n "$PARENT" ]; then
+            echo "Squashing translation commits since $PARENT"
+            git reset --soft $PARENT
+            git add scripts/translations/
+            git commit -m "data: glossary translations (519 terms x 24 languages)
+
+          Generated via Gemini 3.1 Pro Preview with @google/genai SDK.
+          16 concurrent streams, 10 terms per batch.
 
           Co-Authored-By: Gemini <noreply@google.com>"
-            git push
+            git push --force-with-lease
+          else
+            echo "No translation commits to squash"
           fi

scripts/generate-translations-sdk.ts

@@ -636,16 +636,14 @@ async function processLanguage(
     langGenerated += result.generated
     langFailed += result.failed
 
-    // Save after each batch (incremental)
+    // Save and commit after each batch (zero data loss)
     saveTranslations(lang.code, existing)
+    commitProgress(lang.code)
   }
 
   const finalCount = Object.keys(existing).length
   log(`[${lang.code}] Done: ${finalCount}/${totalTerms} terms`)
 
-  // Commit progress so work isn't lost if the action crashes
-  commitProgress(lang.code)
-
   return { generated: langGenerated, failed: langFailed, skipped: 0 }
 }