[PROOF — do not merge] test: mypy . instead of ./**/*.py

Temporary: prove the glob bug. bash globstar is off in CI so `mypy ./**/*.py`
only checks src/*.py (one level), skipping every nested example. `mypy .`
recurses. Expected to turn methods job red (typed methods not on stock SDK)
— to be reverted here and landed as its own PR.

Co-Authored-By: Claude <svc-devxp-claude@slack-corp.com>

Author: zimeg

.github/workflows/test.yml

@@ -30,5 +30,5 @@ jobs:
           pip install -r requirements.txt
           ruff check
           ruff format --diff --check
-          mypy ./**/*.py
+          mypy .
           if [ -d tests ]; then pytest -v; fi