Move debug CSVs to debug/ dir, use INI mod name for PBO prefixes

- Debug CSVs now write to debug/<mod>/ instead of output/<mod>/,
  so they don't get packed into PBOs and bloat size
- PBO filenames use mod name from package_mod.ini (a3rebalancer_*.pbo)
- Cleaned old debug CSVs from output folders

scripts/generate_patches.py

@@ -24,6 +24,7 @@ from typing import Optional
 REPO_ROOT = Path(__file__).resolve().parent.parent
 DATA_DIR = REPO_ROOT / "data"
 OUTPUT_DIR = REPO_ROOT / "output"
+DEBUG_DIR = REPO_ROOT / "debug"
 
 # ============================================================================
 # Caliber tier classification
@@ -700,10 +701,11 @@ def write_debug_csvs(
     armor_overrides: list[ArmorOverride],
 ):
     """Write per-mod debug CSVs showing old -> new values for each override."""
-    mod_dir = OUTPUT_DIR / mod
+    mod_dir = DEBUG_DIR / mod
+    mod_dir.mkdir(parents=True, exist_ok=True)
 
     if ammo_overrides:
-        path = mod_dir / "debug_ammo.csv"
+        path = mod_dir / "ammo.csv"
         with open(path, "w", encoding="utf-8", newline="") as f:
             writer = csv.writer(f, delimiter=";")
             writer.writerow(["classname", "source_mod", "field",
@@ -716,7 +718,7 @@ def write_debug_csvs(
                                      field_name, old_val, new_val])
 
     if armor_overrides:
-        path = mod_dir / "debug_armor.csv"
+        path = mod_dir / "armor.csv"
         with open(path, "w", encoding="utf-8", newline="") as f:
             writer = csv.writer(f, delimiter=";")
             writer.writerow(["classname", "source_mod", "item_type",