chore: merge round 2 fixes (tests)

# Conflicts:
#	install.ps1
#	install.py
#	install.sh

scripts/scraper/_hash_merge.py

@@ -443,7 +443,6 @@ def _patch_bios_entries(text: str, files: list[dict]) -> str:
     """
     import re
 
-    # Build a lookup of what to patch
     patches: dict[str, dict] = {}
     for fe in files:
         if fe.get("category") != "bios_zip":

scripts/scraper/batocera_scraper.py

@@ -444,7 +444,6 @@ class Scraper(BaseScraper):
         """Generate a platform YAML config dict from scraped data."""
         requirements = self.fetch_requirements()
 
-        # Parse source to extract display names per system
         raw = self._fetch_raw()
         source_dict = self._extract_systems_dict(raw)
         display_names: dict[str, str] = {}

scripts/scraper/bizhawk_scraper.py

@@ -214,7 +214,6 @@ def parse_firmware_database(
         r"\s*\)"
     )
 
-    # Collect firmware slots
     firmware_slots: dict[tuple[str, str], str] = {}
     for m in firmware_re.finditer(source):
         system, fw_id, desc = m.group(1), m.group(2), m.group(3)
@@ -252,7 +251,6 @@ def parse_firmware_database(
         slot_key = (system, fw_id)
         slot_options.setdefault(slot_key, []).append((file_entry, status))
 
-    # Build records from FirmwareAndOption one-liners
     records: list[dict] = []
 
     for m in fao_re.finditer(source):

scripts/scraper/mame_parser.py

@@ -372,13 +372,12 @@ def _parse_rom_entries(block: str) -> list[dict]:
         ("rom_load", _ROM_LOAD),
     ]
 
-    # Collect all matches with their positions
     events: list[tuple[int, str, re.Match]] = []
     for tag, pat in token_patterns:
         for m in pat.finditer(block):
             events.append((m.start(), tag, m))
 
-    # Sort by position in block
+    # Walked in source order: a ROM_LOAD belongs to the last ROM_REGION above it.
     events.sort(key=lambda e: e[0])
 
     for _pos, tag, m in events:

scripts/scraper/retrobat_scraper.py

@@ -230,7 +230,6 @@ class Scraper(BaseScraper):
         """Generate a platform YAML config dict from scraped data."""
         requirements = self.fetch_requirements()
 
-        # Parse source to extract display names per system
         raw = self._fetch_raw()
         source_data = json.loads(raw)
         display_names: dict[str, str] = {}

scripts/scraper/retrodeck_scraper.py

@@ -380,7 +380,6 @@ class Scraper(BaseScraper):
                     if system is None:
                         continue
 
-                    # Resolve path
                     paths_raw = entry.get("paths")
                     if isinstance(paths_raw, str):
                         resolved = _resolve_path(paths_raw)