fix: Conservative FMV valuations - no more inflated prices!

- Reduced base prices to realistic restoration project values
  * Griswold #8:  →  (60% reduction)
  * Wagner #8:  →  (58% reduction)
  * Lodge #8:  →  (69% reduction)
- Added condition detection:
  * Restored items: 1.5x FMV (deserves premium)
  * Damaged/cracked: 0.5x FMV (realistic discount)
- Now finding 6 real deals instead of 40+ questionable ones
- Deals are now TRULY exceptional (80%+ off realistic values)
- No more false positives from inflated FMV

agents/junior-ae/state/jae-v4-state.json

@@ -1,5 +1,5 @@
 {
-  "last_check": "2026-04-10T07:09:01.012534",
+  "last_check": "2026-04-10T10:09:06.314350",
   "processed": 0,
   "upgraded": 0,
   "processed_ids": [