FT-1860: Fix refreshInterval -> refreshPeriod in README

[calthejuggler]

Description

The README references refreshInterval in code examples and text, but the actual ContextOptions type uses refreshPeriod. This causes confusion for SDK users who copy-paste the examples.

Jira Issue FT-1860

Solution

Replaced all 4 occurrences of refreshInterval with refreshPeriod in README.md to match the actual type definition at src/context.ts:122.

Before & After

BEFORE:

const context = sdk.createContext(request, {
    refreshInterval: 5 * 60 * 1000
});

AFTER:

const context = sdk.createContext(request, {
    refreshPeriod: 5 * 60 * 1000
});

Other Changes

None.

Type of change

• Bug fix (non-breaking change which fixes an issue)

Checklist

• New and existing unit tests pass locally with my changes

Summary by CodeRabbit

• Documentation
  • Updated configuration examples to reflect the correct option name (refreshPeriod) for auto-refresh settings and other context creation configurations.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: ea8c7010-7234-48d5-a6c2-5cc211f436b9

📥 Commits

Reviewing files that changed from the base of the PR and between 29fb24a and fd9001a.

📒 Files selected for processing (1)

• README.md

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Walkthrough

This pull request updates the README.md documentation by systematically replacing the refreshInterval option name with refreshPeriod across multiple code examples and their accompanying narrative text. The changes affect documentation for context auto-refresh configuration as well as per-request HTTP timeout and AbortSignal-based cancellation examples. No code logic or exported public entities were modified.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Poem

🐰 A name change whispers through the docs so bright,
From old refreshInterval to refreshPeriod's light,
The examples now aligned, the text rings true,
Clarity hopping forward, fresh and new! ✨

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely describes the main change: correcting the option name from refreshInterval to refreshPeriod in the README documentation, matching the raw summary and PR objectives.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch bugfix/ft-1860/fix-refresh-period-readme

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