fix(stage1): correct YRBS outcome mappings

.learnings/ERRORS.md

@@ -2,6 +2,35 @@
 
 Command failures and integration errors.
 
+---
+## [ERR-20260920-036] pdf-text-console-encoding
+
+**Logged**: 2026-09-20
+**Priority**: low
+**Status**: resolved
+**Area**: docs
+
+### Summary
+An exploratory YRBS PDF text scan stopped when Windows console encoding could not print a soft-hyphen character.
+
+### Error
+`UnicodeEncodeError: 'gbk' codec can't encode character`.
+
+### Context
+PDF extraction itself succeeded; only diagnostic console output failed. Source files were unchanged.
+
+### Suggested Fix
+Configure diagnostic stdout as UTF-8 with replacement before printing extracted PDF text.
+
+### Metadata
+- Reproducible: yes
+- Related Files: `research/stage1/yrbs_primary_outcome_source_audit.json`
+- Pattern-Key: docs.console-encoding
+
+### Resolution
+- **Resolved**: 2026-09-20
+- **Notes**: The scan was rerun with UTF-8 stdout and all annual source pages were reviewed.
+
 ---
 ## [ERR-20260920-035] gshs-questionnaire-directory-assumption