fix: honor empty agent suggestions

[superdav42]

Summary

• treat an explicitly empty agent suggestions array as an opt-out instead of falling back to generic suggestions
• hide the suggestion heading and container when an agent opts out
• retain the existing four defaults when no agent-specific suggestions array is available

Production evidence

A contained CEF checkout created a tenant whose Setup Assistant stored suggestions: [], but the floating widget still rendered the four generic defaults. The tenant, free non-renewing membership, pending payment record, customer, and synthetic user were removed after the observation.

Verification

• wp-scripts test-unit-js src/components/chat-widget/__tests__/widget-empty.test.js --runInBand — 2 tests passed
• wp-scripts test-unit-js --runInBand — 66 suites, 632 tests passed
• wp-scripts lint-js src/components/chat-widget/widget-empty.js src/components/chat-widget/__tests__/widget-empty.test.js — clean
• wp-scripts build — succeeded (existing webpack asset-size warnings only)
• git diff --check

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Summary by CodeRabbit

• Bug Fixes
  • Empty agent-provided suggestion lists no longer display suggestion labels or cards.
  • Default suggestions continue to appear when no suggestions are provided.
• Tests
  • Added coverage for empty suggestion states and default suggestion rendering.

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ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Advanced

Run ID: 65233685-a72c-4ce4-81ef-1cc52f11289f

📥 Commits

Reviewing files that changed from the base of the PR and between bb86e3e and 8275848.

📒 Files selected for processing (2)

• src/components/chat-widget/__tests__/widget-empty.test.js
• src/components/chat-widget/widget-empty.js

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📝 Walkthrough

Walkthrough

WidgetEmpty now preserves explicit empty suggestion arrays and hides suggestion markup when no suggestions exist. New tests cover this behavior and the default suggestions used when no agent is selected.

Changes

Widget empty suggestions

Layer / File(s)	Summary
Suggestion resolution and conditional rendering src/components/chat-widget/widget-empty.js, src/components/chat-widget/__tests__/widget-empty.test.js	WidgetEmpty uses agent-provided arrays, including empty arrays, and falls back to defaults only when no array exists. Suggestion markup renders only for non-empty arrays. Tests verify both states.

Priority: ⬇️ Low

Estimated code review effort: 2 (Simple) | ~10 minutes

Change: Bug fix

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Docstring Coverage	✅ Passed	Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 2 functions across 2 files.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely describes the main change: honoring an explicitly empty agent suggestions array.

✨ Finishing Touches

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🧪 Generate unit tests (beta)

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