Fix CompileInterfaceSummaryJSON.parse() to respect compressed mode

[Copilot]

CompileInterfaceSummaryJSON.parse() ignored self.compressed, always globbing for *.json and reading via plain open(). In compressed mode, interface files are interface_*.json.gz, so the method would find nothing or fail to read them.

Changes

• File discovery: uses .json.gz extension when self.compressed=True
• File reading: replaces open() with open_compressed() consistent with _load_assembly_json()

ext = ".json.gz" if self.compressed else ".json"
interface_files = [
    f for f in os.listdir(self.path_interface_jsons)
    if f.startswith("interface_") and f.endswith(ext)
]
...
with open_compressed(interface_json_path, self.compressed) as f:
    d = json.load(f)

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