# Decisions log

Short rationale for choices that are not obvious from the code
(rule from auftrag_fable.md §Regeln).

## 2026-07-07 (Fable 5 — quality foundation day)

1. **Ollama structured output + strict prompt, both.** The JSON schema is
   passed as `format` to `/api/generate` (server-side shape enforcement)
   AND the prompt demands strict JSON with 3 few-shots. Belt and braces:
   the schema pins keys/types, the few-shots pin content quality.
   Result: 20/20 schema-valid on the first model pass (gemma3:27b, ø 6.5 s).
2. **Validator repairs instead of second prompt iteration.** Testset showed
   95 % content-clean; the remaining defects (skill phrases leaking into
   qualifications, mojibake from broken ad encodings, acronym casing) are
   deterministic and cheaper to fix in `validate()` than by prompt tuning
   on a 27B model. After hardening: 20/20 clean.
3. **`evidence_job` gets an `occupation_slug` column** (nullable ALTER +
   backfill) instead of per-occupation tables or a rebuild-per-run design —
   p3b becomes incremental MERGE; existing 350 recruiter rows stay valid.
4. **Mass extraction runs as a detached script, not in the Claude loop**
   (~180 k ads x 6.5 s ≈ 14 GPU-days): Claude only spot-checks 2 % samples
   via `qa_sample.py`. Budget enforcement lives in code
   (`progress.spend_request()` raises), not in instructions.
5. **Templates as `pipeline/templates/*.template.md` + shared STYLE.md.**
   Skeleton headings are greppable on purpose — QUALITY_BAR's mechanical
   checks and the PR gates rely on exact section markers.
6. **Git history squash discovered mid-session** (orphan branch
   `clean-history` renamed to master, 11:21 local — not done by Claude).
   Old 16-commit history preserved as tag `backup/pre-squash-history`;
   new work committed on top of the squashed master. Delete the tag once
   the squash is confirmed intentional and nothing is missing.