Release 1.26.0 — DEV → main (PROD promotion)

.deploy/mta.yaml

@@ -10,7 +10,7 @@ ID: tutorials-ims
 # Bump this on each release you deploy — it's the version shown by `cf mtas`
 # and in the mtar filename (tutorials-ims_<version>.mtar). Deploy is manual:
 # `cd .deploy && mbt build && cf deploy mta_archives/tutorials-ims_<version>.mtar -e ../deploy/<env>.mtaext -f`.
-version: 1.25.0
+version: 1.26.0
 
 # Top-level parameters (overridable per-env via deploy/<env>.mtaext).
 parameters:
@@ -178,7 +178,7 @@ modules:
         - cp -r ../../hugo/assets  ./hugo/assets
         - cp -r ../../hugo/data    ./hugo/data
         - cp -r ../../hugo/i18n    ./hugo/i18n
-        - bash -c "mkdir -p srv/jobs && mkdir -p srv/handlers && mkdir -p srv/lib/branch && mkdir -p srv/lib/runtime-config && mkdir -p srv/lib/prompts && mkdir -p srv/lib/kg && mkdir -p srv/mcp/prompts && cp ../../srv/lib/branch/condition.js ../../srv/lib/branch/engine.js ../../srv/lib/branch/ranker.js ../../srv/lib/branch/user-state.js ../../srv/lib/branch/loaders.js ../../srv/lib/branch/mission-detail.js ../../srv/lib/branch/slug-key.js ../../srv/lib/branch/decide.js ../../srv/lib/branch/joule-tool.js ../../srv/lib/branch/branch-telemetry.js ../../srv/lib/branch/group-by-alt.js ../../srv/lib/branch/profile-fields.js ../../srv/lib/branch/profile-override.js srv/lib/branch/ && cp ../../srv/lib/runtime-config/kg-settings.js ../../srv/lib/runtime-config/ui-events-settings.js ../../srv/lib/runtime-config/search-settings.js ../../srv/lib/runtime-config/navigator-settings.js ../../srv/lib/runtime-config/display-settings.js ../../srv/lib/runtime-config/tenant-settings.js ../../srv/lib/runtime-config/alert-settings.js srv/lib/runtime-config/ && cp ../../srv/lib/kg/on-demand-enqueue.js ../../srv/lib/kg/on-demand-cosine-rank.js srv/lib/kg/ && cp ../../srv/lib/credstore.js ../../srv/lib/secret-resolver.js ../../srv/lib/content-store.js ../../srv/lib/tutorial-markdown.js ../../srv/lib/content-delta-flags.js ../../srv/lib/content-cache-coherence.js ../../srv/lib/edge-cache-headers.js ../../srv/lib/content-publish-session.js ../../srv/lib/resolve-tutorial-author.js ../../srv/lib/_tutorials-table.js ../../srv/lib/catalog-renderer.js ../../srv/lib/catalog-data.js ../../srv/lib/catalog-mission-hierarchy.js ../../srv/lib/chrome-shell.js ../../srv/lib/pipeline-log.js ../../srv/lib/legacy-id.js ../../srv/lib/embedding-pipeline.js ../../srv/lib/step-text-extractor.js ../../srv/lib/embedding-client.js ../../srv/lib/step-vectors.js ../../srv/lib/user-progress.js ../../srv/lib/co-completion.js ../../srv/lib/tutorial-centroid.js ../../srv/lib/tag-label-map.js ../../srv/lib/code-check-tool.js ../../srv/lib/code-check-prompt.js ../../srv/lib/code-check-handler.js ../../srv/lib/code-check-llm.js ../../srv/lib/code-check-step-loader.js ../../srv/lib/code-check-spec-publish.js ../../srv/lib/validate-answer-spec-publish.js ../../srv/lib/category-classifier.js ../../srv/lib/category-classifier-llm.js ../../srv/lib/category-seed-embeddings.js ../../srv/lib/build-catalog-categories.js ../../srv/lib/chat-settings-resolver.js ../../srv/lib/kg-extract.js ../../srv/lib/kg-queries.js ../../srv/lib/kg-projection.js ../../srv/lib/kg-similarity.js ../../srv/lib/kg-cycles.js ../../srv/lib/kg-graph-rebuild.js ../../srv/lib/kg-sparql-client.js ../../srv/lib/kg-merge-pair.js ../../srv/lib/kg-concept-loader.js ../../srv/lib/kg-neighborhood-cache.js ../../srv/lib/kg-neighborhood-merge.js ../../srv/lib/kg-neighborhood-full-helpers.js ../../srv/lib/kg-other-resources-loader.js ../../srv/lib/kg-stamp-meta-text.js ../../srv/lib/kg-tutorial-teaches-map.js ../../srv/lib/kg-resource-type-config.js ../../srv/lib/kg-meta-formatters.js ../../srv/lib/discovery-mission-categories.js ../../srv/lib/external-content-ttl.js ../../srv/lib/recompute-tutorial-progress-bulk-sql.js ../../srv/lib/youtube-fetcher.js ../../srv/lib/homepage-events-merger.js ../../srv/lib/homepage-rss-fetcher.js ../../srv/lib/rss-parse.js ../../srv/lib/community-blogs-fetcher.js ../../srv/lib/community-blog-source-defaults.js ../../srv/lib/community-blogs-classifier.js ../../srv/lib/safe-fetch.js ../../srv/lib/curl-transport.js ../../srv/lib/khoros-transport.js ../../srv/lib/explainer-generator.js ../../srv/lib/_token-cost.js ../../srv/lib/metrics.js ../../srv/lib/alerting.js ../../srv/lib/relevance-classifier.js ../../srv/lib/relevance-seed-embeddings.js ../../srv/lib/relevance-keyword-rules.js ../../srv/lib/canonicalize-link.js ../../srv/lib/detect-language-en.js ../../srv/lib/kg-community-coverage.js ../../srv/lib/page-key-map.js ../../srv/lib/page-fallback.js ../../srv/lib/task-record-submission-id.js ../../srv/lib/image-store.cjs ../../srv/lib/image-ingest.cjs ../../srv/lib/image-source-handler.js ../../srv/lib/img-cdn-fetch.cjs ../../srv/lib/img-cdn-retry.cjs ../../srv/lib/image-warm-utils.js ../../srv/lib/attachment-store.cjs ../../srv/lib/attachment-ingest.cjs ../../srv/lib/attachment-mime.cjs ../../srv/lib/attachment-warm-utils.js ../../srv/lib/attachment-source-handler.js ../../srv/lib/attachment-ingest-handler.js ../../srv/lib/contributors-publish.js ../../srv/lib/validation-rules-publish.js ../../srv/lib/topics-query.js ../../srv/lib/topic-slug.js ../../srv/lib/tag-md-format.js ../../srv/lib/semaphore-tags.js ../../srv/lib/publish-channels.js ../../srv/lib/media-diet-picks.js ../../srv/lib/media-diet-export.js ../../srv/lib/build-channel-detail.js ../../srv/lib/channel-detail-render.js ../../srv/lib/build-channel-atlas.js ../../srv/lib/island-manifest.json srv/lib/ && mkdir -p srv/lib/channels && cp ../../srv/lib/channels/normalize.cjs srv/lib/channels/ && mkdir -p srv/lib/feature-flags && cp ../../srv/lib/feature-flags/db-flags.js ../../srv/lib/feature-flags/registry.js srv/lib/feature-flags/ && cp ../../srv/handlers/categories-after-hooks.js ../../srv/handlers/completion-path-items-altgroup.js srv/handlers/ && mkdir -p srv && cp ../../srv/content-moderation-service.js srv/ && cp ../../srv/jobs/consolidate-concepts-job.js ../../srv/jobs/extract-concepts-job.js ../../srv/jobs/job-lock.js ../../srv/jobs/secret-expiry-check.js ../../srv/jobs/homepage-link-health.js ../../srv/jobs/kg-ondemand-job.js ../../srv/jobs/community-blogs-fetch-job.js ../../srv/jobs/community-blogs-classify-job.js ../../srv/jobs/fetch-news-job.js srv/jobs/ && cp ../../srv/lib/prompts/explainer-verb.md ../../srv/lib/prompts/explainer-shelf.md ../../srv/lib/prompts/explainer-shelf-entry.md ../../srv/lib/prompts/community-blogs-classifier.md srv/lib/prompts/ && cp ../../srv/mcp/prompts/summarize_mission_for_beginner.md ../../srv/mcp/prompts/generate_lab_exercise.md ../../srv/mcp/prompts/explain_concept.md ../../srv/mcp/prompts/suggest_learning_path.md srv/mcp/prompts/"
+        - bash -c "mkdir -p srv/jobs && mkdir -p srv/handlers && mkdir -p srv/lib/branch && mkdir -p srv/lib/runtime-config && mkdir -p srv/lib/prompts && mkdir -p srv/lib/kg && mkdir -p srv/mcp/prompts && cp ../../srv/lib/branch/condition.js ../../srv/lib/branch/engine.js ../../srv/lib/branch/ranker.js ../../srv/lib/branch/user-state.js ../../srv/lib/branch/loaders.js ../../srv/lib/branch/mission-detail.js ../../srv/lib/branch/slug-key.js ../../srv/lib/branch/decide.js ../../srv/lib/branch/joule-tool.js ../../srv/lib/branch/branch-telemetry.js ../../srv/lib/branch/group-by-alt.js ../../srv/lib/branch/profile-fields.js ../../srv/lib/branch/profile-override.js srv/lib/branch/ && cp ../../srv/lib/runtime-config/kg-settings.js ../../srv/lib/runtime-config/ui-events-settings.js ../../srv/lib/runtime-config/search-settings.js ../../srv/lib/runtime-config/navigator-settings.js ../../srv/lib/runtime-config/display-settings.js ../../srv/lib/runtime-config/tenant-settings.js ../../srv/lib/runtime-config/alert-settings.js ../../srv/lib/runtime-config/load-shed-settings.js srv/lib/runtime-config/ && cp ../../srv/lib/kg/on-demand-enqueue.js ../../srv/lib/kg/on-demand-cosine-rank.js srv/lib/kg/ && cp ../../srv/lib/credstore.js ../../srv/lib/secret-resolver.js ../../srv/lib/content-store.js ../../srv/lib/tutorial-markdown.js ../../srv/lib/content-delta-flags.js ../../srv/lib/content-cache-coherence.js ../../srv/lib/edge-cache-headers.js ../../srv/lib/content-publish-session.js ../../srv/lib/resolve-tutorial-author.js ../../srv/lib/_tutorials-table.js ../../srv/lib/catalog-renderer.js ../../srv/lib/markdown.js ../../srv/lib/catalog-data.js ../../srv/lib/catalog-mission-hierarchy.js ../../srv/lib/chrome-shell.js ../../srv/lib/pipeline-log.js ../../srv/lib/legacy-id.js ../../srv/lib/embedding-pipeline.js ../../srv/lib/step-text-extractor.js ../../srv/lib/embedding-client.js ../../srv/lib/step-vectors.js ../../srv/lib/user-progress.js ../../srv/lib/co-completion.js ../../srv/lib/tutorial-centroid.js ../../srv/lib/tag-label-map.js ../../srv/lib/code-check-tool.js ../../srv/lib/code-check-prompt.js ../../srv/lib/code-check-handler.js ../../srv/lib/code-check-llm.js ../../srv/lib/code-check-step-loader.js ../../srv/lib/code-check-spec-publish.js ../../srv/lib/assert-spec-publish.js ../../srv/lib/validate-answer-spec-publish.js ../../srv/lib/category-classifier.js ../../srv/lib/category-classifier-llm.js ../../srv/lib/category-seed-embeddings.js ../../srv/lib/build-catalog-categories.js ../../srv/lib/chat-settings-resolver.js ../../srv/lib/kg-extract.js ../../srv/lib/kg-queries.js ../../srv/lib/kg-projection.js ../../srv/lib/kg-similarity.js ../../srv/lib/kg-cycles.js ../../srv/lib/kg-graph-rebuild.js ../../srv/lib/kg-sparql-client.js ../../srv/lib/kg-merge-pair.js ../../srv/lib/kg-concept-loader.js ../../srv/lib/kg-neighborhood-cache.js ../../srv/lib/kg-neighborhood-merge.js ../../srv/lib/kg-neighborhood-full-helpers.js ../../srv/lib/kg-other-resources-loader.js ../../srv/lib/kg-stamp-meta-text.js ../../srv/lib/kg-tutorial-teaches-map.js ../../srv/lib/kg-resource-type-config.js ../../srv/lib/kg-meta-formatters.js ../../srv/lib/discovery-mission-categories.js ../../srv/lib/external-content-ttl.js ../../srv/lib/recompute-tutorial-progress-bulk-sql.js ../../srv/lib/youtube-fetcher.js ../../srv/lib/homepage-events-merger.js ../../srv/lib/homepage-rss-fetcher.js ../../srv/lib/rss-parse.js ../../srv/lib/community-blogs-fetcher.js ../../srv/lib/community-blog-source-defaults.js ../../srv/lib/community-blogs-classifier.js ../../srv/lib/safe-fetch.js ../../srv/lib/curl-transport.js ../../srv/lib/khoros-transport.js ../../srv/lib/explainer-generator.js ../../srv/lib/_token-cost.js ../../srv/lib/metrics.js ../../srv/lib/alerting.js ../../srv/lib/relevance-classifier.js ../../srv/lib/relevance-seed-embeddings.js ../../srv/lib/relevance-keyword-rules.js ../../srv/lib/canonicalize-link.js ../../srv/lib/detect-language-en.js ../../srv/lib/kg-community-coverage.js ../../srv/lib/page-key-map.js ../../srv/lib/page-fallback.js ../../srv/lib/task-record-submission-id.js ../../srv/lib/image-store.cjs ../../srv/lib/image-ingest.cjs ../../srv/lib/image-source-handler.js ../../srv/lib/img-cdn-fetch.cjs ../../srv/lib/img-cdn-retry.cjs ../../srv/lib/image-warm-utils.js ../../srv/lib/attachment-store.cjs ../../srv/lib/attachment-ingest.cjs ../../srv/lib/attachment-mime.cjs ../../srv/lib/attachment-warm-utils.js ../../srv/lib/attachment-source-handler.js ../../srv/lib/attachment-ingest-handler.js ../../srv/lib/contributors-publish.js ../../srv/lib/validation-rules-publish.js ../../srv/lib/topics-query.js ../../srv/lib/topic-slug.js ../../srv/lib/tag-md-format.js ../../srv/lib/semaphore-tags.js ../../srv/lib/publish-channels.js ../../srv/lib/media-diet-picks.js ../../srv/lib/media-diet-export.js ../../srv/lib/build-channel-detail.js ../../srv/lib/channel-detail-render.js ../../srv/lib/build-channel-atlas.js ../../srv/lib/island-manifest.json ../../srv/lib/provenance-handlers.js ../../srv/lib/provenance-envelope.js ../../srv/lib/provenance-data.js ../../srv/lib/provenance-keys.js ../../srv/lib/provenance-freshness.js ../../srv/lib/fast-purge.js ../../srv/lib/load-shed.js srv/lib/ && mkdir -p srv/lib/channels && cp ../../srv/lib/channels/normalize.cjs srv/lib/channels/ && mkdir -p srv/lib/feature-flags && cp ../../srv/lib/feature-flags/db-flags.js ../../srv/lib/feature-flags/registry.js srv/lib/feature-flags/ && cp ../../srv/handlers/categories-after-hooks.js ../../srv/handlers/completion-path-items-altgroup.js srv/handlers/ && mkdir -p srv && cp ../../srv/content-moderation-service.js srv/ && cp ../../srv/jobs/consolidate-concepts-job.js ../../srv/jobs/extract-concepts-job.js ../../srv/jobs/job-lock.js ../../srv/jobs/secret-expiry-check.js ../../srv/jobs/homepage-link-health.js ../../srv/jobs/kg-ondemand-job.js ../../srv/jobs/community-blogs-fetch-job.js ../../srv/jobs/community-blogs-classify-job.js ../../srv/jobs/fetch-news-job.js srv/jobs/ && cp ../../srv/lib/prompts/explainer-verb.md ../../srv/lib/prompts/explainer-shelf.md ../../srv/lib/prompts/explainer-shelf-entry.md ../../srv/lib/prompts/community-blogs-classifier.md srv/lib/prompts/ && cp ../../srv/mcp/prompts/summarize_mission_for_beginner.md ../../srv/mcp/prompts/generate_lab_exercise.md ../../srv/mcp/prompts/explain_concept.md ../../srv/mcp/prompts/suggest_learning_path.md srv/mcp/prompts/"
         - bash -c "node -e \"const p=require('./package.json'); p.dependencies=Object.assign(p.dependencies||{},{cheerio:'^1.2.0','@sap-ai-sdk/foundation-models':'^2.10.0'}); require('fs').writeFileSync('./package.json', JSON.stringify(p,null,2));\""
     properties:
       EXPOSE_CAP_UI: false

.github/workflows/rebuild-content-qa.yml

@@ -290,6 +290,24 @@ jobs:
           channel: qa
           min-slugs: '1'
 
+      # #2288 — refresh the changed tutorial's images. Image-only edits (same
+      # filename) don't change the HTML/markdown hash, so publish-content's delta
+      # drops the slug and warmImagesLive never fires — the HANA image store keeps
+      # stale bytes. Re-warm just this slug's images: backfill re-fetches from
+      # GitHub and POSTs bytes; the srv ingest content-hash-dedups (re-stores only
+      # changed images). Slug-targeted only — a full rebuild would re-fetch every
+      # image. Skipped on a full QA rebuild (empty slug) and on force-publish
+      # (which already republishes + warms every slug). Non-fatal: image refresh
+      # must never fail the content rebuild.
+      - name: Refresh QA tutorial images (slug-targeted)
+        if: ${{ !inputs.force-publish && (github.event.client_payload.slug || inputs.slug) }}
+        continue-on-error: true
+        run: npx tsx scripts/backfill-images.ts --channel qa --slug "${{ github.event.client_payload.slug || inputs.slug }}"
+        env:
+          CAP_QA_BASE_URL: ${{ secrets.CAP_SRV_URL_QA }}
+          CONTENT_API_KEY_QA: ${{ secrets.CONTENT_API_KEY_QA }}
+          GITHUB_TOKEN: ${{ steps.app-token.outputs.token || secrets.TUTORIAL_FETCH_TOKEN || secrets.TUTORIALS_GITHUB_TOKEN }}
+
       - name: Summary
         run: |
           echo "### QA Content Rebuild Complete" >> "$GITHUB_STEP_SUMMARY"

.github/workflows/rebuild-content.yml

@@ -801,6 +801,27 @@ jobs:
           channel: ${{ steps.env.outputs.target }}
           min-slugs: '1'
 
+      # #2288 — same-filename image byte changes are invisible to the publish
+      # delta detector: publish hashes rendered HTML + source markdown, never the
+      # image bytes, so a screenshot edited in place (unchanged filename → unchanged
+      # /img-cdn URL) never triggers a republish and the stale image is served
+      # indefinitely. On a slug-targeted rebuild, re-warm just that tutorial's
+      # images through the content-aware ingest endpoint (POST /content/image
+      # dedups on image bytes), so changed bytes are re-stored while unchanged
+      # ones report 'unchanged'. Best-effort: a warm failure must never fail the
+      # content rebuild. Scoped to slug-targeted (not full) per #2288 decision —
+      # full rebuilds already re-warm the whole catalog elsewhere. CAP_BASE_URL is
+      # the already target-resolved srv url; the QA target needs its own key.
+      - name: Refresh tutorial images (slug-targeted)
+        if: ${{ steps.publish.outcome == 'success' && steps.mode.outputs.effective_mode == 'slug-targeted' && inputs.force-publish != true }}
+        continue-on-error: true
+        env:
+          CAP_BASE_URL:    ${{ steps.srv.outputs.srv_url }}
+          CONTENT_API_KEY: ${{ steps.env.outputs.target == 'qa' && secrets.CONTENT_API_KEY_QA || secrets.CONTENT_API_KEY }}
+          GITHUB_TOKEN:    ${{ steps.app-token.outputs.token || secrets.TUTORIALS_GITHUB_TOKEN }}
+          REFRESH_SLUG:    ${{ inputs.slug || steps.mode.outputs.dispatch_slug }}
+        run: npx tsx scripts/backfill-images.ts --slug "$REFRESH_SLUG"
+
       - name: Purge orphan tutorials
         id: purge
         if: |

.github/workflows/static-guards.yml

@@ -18,6 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     permissions:
       contents: read
+      packages: read
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4

.gitignore

@@ -163,3 +163,6 @@ approuter/static/.well-known/oauth-protected-resource
 test-results/
 playwright-report/
 .playwright-auth-state.json
+
+# quiet-run wrapper full logs — local scrollback capture, never committed.
+.quiet-logs/