docs(readme): add Reports section with links to REPORT.md and LESSONS.md

Explains what each file contains, that they're auto-regenerated weekly,
and includes generation timestamps.

README.md

@@ -50,16 +50,22 @@ Each experiment:
 - Whether the model had tools or just text
 - Whether the task was step-by-step or open-ended
 
+## Reports
+
+- **[REPORT.md](REPORT.md)** — Full research analysis. Covers model strengths with evidence, task-type → model mappings, meta-findings about how to use models effectively, cost-effectiveness comparison, and open questions. Regenerated weekly from all findings.
+- **[LESSONS.md](LESSONS.md)** — Actionable summary. The distilled "here's what to actually do" version: three core rules, operational playbooks for different review types, anti-patterns to avoid, and a model personality cheat sheet. Start here if you want answers, not methodology.
+
+Both files include a generation timestamp and are automatically regenerated every Monday at 9 AM Pacific to incorporate new experiment results.
+
 ## Repository Structure
 
 ```
-findings/                                         # Individual findings with full analysis
-  README.md                                       # Context and index
-  YYYY-MM-DD-NN-slug.md                           # One file per experiment
+REPORT.md           # Full research report (auto-regenerated weekly)
+LESSONS.md          # Actionable lessons and playbooks (auto-regenerated weekly)
+findings/           # Individual experiment files (one per experiment)
+  README.md         # Context and index
+  YYYY-MM-DD-NN-slug.md
   2026-04-26-01-different-models-catch-different-things.md
-  2026-04-26-07-emerging-role-assignments-pattern-not.md
-  2026-05-03-07b-token-budget-matters-more-than.md  # Duplicate #7 (suffix b)
-  2026-05-03-15-design-coherence-analysis.md
   ...
   2026-05-05-29-adversarial-manipulation-analysis-new-task.md
 prompts/            # Exact prompts used for reproducibility