Add AI-powered article pipeline with BAML integration#2
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- Add baml_src/ at repo root with Python generator (alongside existing TS generator)
- Commit generated backend/baml_client/ (Python/pydantic)
- Add backend/pipeline/: run.py orchestrator, steps.py helpers, utils.py,
sources/{hn,ainews,substack,extract_content,utils}.py
- Add ScoredUrl model + Alembic migration (scored_url table)
- Add pipeline compose service (supercronic, daily 04:00)
- Install supercronic in backend Dockerfile
- Add v1 deps: baml-py, trafilatura, feedparser, dnspython, regex
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01SE8sLxeKrZVsPWHBj56kqF
Generated by `baml generate` from baml_src/ (same version 0.223.0 as before; output is identical to the temp/source reference). Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01SE8sLxeKrZVsPWHBj56kqF
- Drop unused ArticleInput dataclass + to_article_inputs from steps.py (run.py builds BAML inputs directly) - Add _to_baml_input helper in run.py, dedup 3x inline construction - Rename ambiguous `l` -> `lnk` in ainews._pick_primary - Add ruff per-file-ignore T201 for pipeline/ (intentional stdout logging) Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01SE8sLxeKrZVsPWHBj56kqF
The TS pipeline is being retired (lives in temp/source/, removed at cutover) and nothing in the live repo imports the root baml_client/. Keep only the Python generator + backend/baml_client/. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01SE8sLxeKrZVsPWHBj56kqF
- Run ruff format on all pipeline/ files (was causing pre-commit failure) - Add omit = ["app/alembic/*"] to coverage.run — alembic migration files are already excluded from mypy and ruff; coverage should match. The new scored_url migration tipped coverage below the 90% threshold. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01SE8sLxeKrZVsPWHBj56kqF
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01SE8sLxeKrZVsPWHBj56kqF
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Summary
Introduces a complete article processing pipeline that fetches content from multiple sources (Hacker News, AI News, Substack), enriches it with LLM-powered analysis (categorization, deduplication, scoring), and stores results in the database. Integrates BAML for structured LLM interactions and adds container-based scheduling via supercronic.
Key Changes
Pipeline Infrastructure
backend/pipeline/run.py: Main pipeline orchestrator that fetches articles from three sources, deduplicates via semantic similarity, scores by developer relevance, and persists to databasebackend/pipeline/steps.py: Shared utilities (score threshold, content cap, GitHub repo detection, URL classification)backend/pipeline/utils.py: Logging and text sanitization helpersbackend/pipeline/sources/: Modular source fetchershn.py: Hacker News via official APIainews.py: AI News (news.smol.ai) with minimal RSS parsingsubstack.py: Substack newsletters with concurrent fetching and proxy supportextract_content.py: Web content extraction via trafilatura with blocker detectionutils.py: Shared HTTP utilities, browser headers, time window filteringsubstack-sources.json: Curated list of 100+ AI-focused Substack feedsBAML LLM Functions
Generated BAML client code (TypeScript + Python) for structured LLM interactions:
baml_src/shared.baml: Shared enums (ArticleCategory,ArticleKind)baml_src/summarize.baml:SummarizeAndCategorize,CategorizeOnly,ClassifyKindfunctionsbaml_src/score.baml:ScoreArticlesfor developer-actionability ranking (1-100)baml_src/dedup.baml:SemanticDedupfor duplicate detection via embeddingsbaml_src/extract_links.baml:ExtractLinksfor newsletter link extractionbaml_src/extract_products.baml:ExtractProductsfor product-centric analysisbaml_src/fix_titles.baml:FixTitlesfor title normalizationbaml_src/discover.baml:DiscoverProfilesfor Substack profile relevancebaml_src/clients.baml: LLM client configuration (Nvidia NIM)baml_src/generators.baml: BAML code generation config for TypeScript and PythonGenerated Client Code
Auto-generated BAML clients (committed for Docker builds):
baml_client/async_client.ts,sync_client.ts,async_request.ts,sync_request.ts,parser.ts,type_builder.ts,types.ts,index.ts, and supporting filesbackend/baml_client/with async/sync clients, parsers, type builders, runtime, and configurationDatabase & Container Changes
backend/app/models_agentique.py: AddedScoredUrlmodel to track scored articlesbackend/app/alembic/versions/b7c8d9e0f1a2_add_scored_url_table.py: Migration forscored_urltablebackend/Dockerfile: Added supercronic installation for container-friendly cron schedulingbackend/pipeline/crontab: Cron job to run pipeline daily at 4 AMcompose.yml: Addedpipelineservice with cron schedulingbackend/pyproject.toml: Added dependencies:baml-py,trafilatura,feedparser,dnspython,regex,httpxDocumentation
CHANGES.md: Updated with migration notes and conflict risk assessmentNotable Implementation Details
https://claude.ai/code/session_01SE8sLxeKrZVsPWHBj56kqF