[Bug]: specify extension update crashes with KeyError when a catalog entry has no version, and stops checking the other extensions #5082

import hashlib, json, os, tempfile, traceback
from datetime import datetime, timezone
from pathlib import Path
from typer.testing import CliRunner
from specify_cli import app

root = Path(tempfile.mkdtemp())
proj = root / "project"
(proj / ".specify").mkdir(parents=True)
(proj / ".claude/skills").mkdir(parents=True)
os.chdir(proj)
for eid in ("aaa", "bbb"):
    d = root / eid
    (d / "commands").mkdir(parents=True)
    (d / "commands/hello.md").write_text("---\ndescription: x\n---\n\nHello\n")
    (d / "extension.yml").write_text(f"""schema_version: "1.0"
extension: {{id: {eid}, name: {eid}, version: 1.0.0, description: d}}
requires: {{speckit_version: ">=0.1.0"}}
provides:
  commands:
    - {{name: speckit.{eid}.hello, file: commands/hello.md, description: x}}
""")
    CliRunner().invoke(app, ["extension", "add", "--dev", str(d)])

# Pre-seed a fresh catalog cache so no network request is made.
url = "https://catalog.example.invalid/catalog.json"
os.environ["SPECKIT_CATALOG_URL"] = url
cache = proj / ".specify/extensions/.cache"
cache.mkdir(parents=True, exist_ok=True)
h = hashlib.sha256(url.encode()).hexdigest()[:16]
(cache / f"catalog-{h}.json").write_text(json.dumps({"schema_version": "1.0", "extensions": {
    "aaa": {"name": "aaa", "download_url": "https://catalog.example.invalid/aaa.zip"},  # no "version"
    "bbb": {"name": "bbb", "version": "1.0.0"},
}}))
(cache / f"catalog-{h}-metadata.json").write_text(json.dumps(
    {"cached_at": datetime.now(timezone.utc).isoformat(), "catalog_url": url}))

r = CliRunner().invoke(app, ["extension", "update"])
print("exit code:", r.exit_code)
print(r.output)
if r.exception and not isinstance(r.exception, SystemExit):
    print("".join(traceback.format_exception(r.exception)[-3:]))