Harsh Kashyap b9445c67e2 fix(agent): coerce None Switch inputs before string operators (#16320) ...

## Summary
- Coerce `None` canvas values to `""` before string comparison operators
in `Switch.process_operator`.
- Prevents `AttributeError` when upstream components yield `None` and
the Switch uses contains/start with/end with.

## Test plan
- [x] `.v/bin/python -m ruff check agent/component/switch.py
test/unit_test/agent/component/test_switch.py`
- [x] `.v/bin/python -m pytest
test/unit_test/agent/component/test_switch.py -q` (3 passed)

Fixes #16315

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Co-authored-by: Harsh Kashyap <harshkashyap@Harshs-MacBook-Pro.local>

2026-06-25 14:18:24 +08:00

5.5 KiB

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