Attachment object-store pipeline: serve tutorial repo attachments like images (#1931)

.deploy/mta.yaml

@@ -171,7 +171,7 @@ 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/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/island-manifest.json srv/lib/ && 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/ && 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/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/island-manifest.json srv/lib/ && 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

db/tutorial-assets.cds

@@ -0,0 +1,16 @@
+using { Attachments } from '@cap-js/attachments';
+using { com.sap.developers.ims.Tutorials } from './schema';
+
+namespace com.sap.developers.ims;
+
+entity TutorialAssets {
+  key ID        : UUID;
+      sourceUrl   : String(1024);  // raw.githubusercontent.com URL; one-row-per-sourceUrl maintained by attachment-store put() (delete-then-insert), NOT a DB constraint
+      tutorial    : Association to Tutorials on tutorial.slug = slug;
+      slug        : String(255);             // lowercase canonical
+      channel     : String(8);               // 'prod' | 'qa'
+      contentHash : String(64);              // sha-256 of stored bytes
+      mimeType    : String(128);
+      filename    : String(255);             // for Content-Disposition
+      content     : Composition of many Attachments;
+}