Fix typo and improve test infrastructure robustness

[RobbiWillm]

Summary

This PR makes two small improvements:

1. Documentation: Fixes in README.md ("computaiton" → "computation")
2. Test Infrastructure: Adds input validation to _wait_for_port function in integration test conftest.py

Changes

README.md

• Fixed spelling error on line 21

tests/integration/conftest.py

• Added validation for negative timeout values in _wait_for_port helper
• Added validation for negative interval values
• This prevents silent failures from misconfigured test timeouts

Testing

The conftest.py change improves test reliability by catching configuration errors early rather than hanging or producing confusing timeout errors.

---

Note: Changes to test infrastructure may benefit from running integration tests to verify no regressions.

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[greptile-apps]

Greptile Summary

This PR fixes a spelling error in README.md (computaiton → computation) and adds input validation to the _wait_for_port helper in the integration test conftest, raising ValueError for non-positive timeout or interval values. Both changes are minimal and correct — the guard conditions (<= 0) are appropriate, the error messages are clear, and the defaults (timeout=120.0, interval=0.5) are unaffected.

Confidence Score: 5/5

Safe to merge — both changes are minimal, correct, and non-breaking

No P0 or P1 issues found; the typo fix is trivial and the input validation correctly uses <= 0 guards with clear error messages that do not affect any existing callers using default or valid positive values

No files require special attention

Important Files Changed

Filename	Overview
README.md	Fixes typo 'computaiton' → 'computation'; no issues
tests/integration/conftest.py	Adds positive-value guards for timeout and interval in _wait_for_port; logically sound and non-breaking

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart TD
    A["_wait_for_port(host, port, timeout, interval)"] --> B{timeout <= 0?}
    B -- Yes --> C[raise ValueError]
    B -- No --> D{interval <= 0?}
    D -- Yes --> E[raise ValueError]
    D -- No --> F[deadline = now + timeout]
    F --> G{time.now < deadline?}
    G -- Yes --> H[try socket.create_connection]
    H -- success --> I[return]
    H -- fail --> J[sleep interval]
    J --> G
    G -- No --> K[raise TimeoutError]

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_{Reviews (1): Last reviewed commit: "docs: fix typo and improve test robustne..." | Re-trigger Greptile}