chore(hypotheses): reduce min_days thresholds for faster conclusions

insider_buying-min-txn-100k: 21 → 14 days.
Command defaults: ≥2/day → 10d, 1/day → 14d, <1/day → 21d.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.claude/commands/backtest-hypothesis.md

@@ -89,9 +89,9 @@ Assign a `priority` score (1–9) using these factors:
 ### 3b-iii: Determine min_days
 
 Set `min_days` based on the scanner's typical picks-per-day rate:
-- ≥2 picks/day → 14 days
-- 1 pick/day → 21 days
-- <1 pick/day → 30 days
+- ≥2 picks/day → 10 days
+- 1 pick/day → 14 days
+- <1 pick/day → 21 days
 
 ### 3b-iv: Create the branch and implement the code change
 

docs/iterations/hypotheses/active.json

@@ -13,7 +13,7 @@
       "expected_impact": "medium",
       "hypothesis_type": "implementation",
       "created_at": "2026-04-10",
-      "min_days": 21,
+      "min_days": 14,
       "days_elapsed": 3,
       "picks_log": [
         "2026-04-10",