refactor(plex): streamline plex settings form

[engels74]

Summary

• Consolidate the test connection button into the same action row as the save button
• Replace separate form with inline async fetch handler for cleaner implementation
• Add unified .plex-actions container for consistent button layout and spacing

Test plan

• Verify "Save Plex Settings" button saves configuration correctly
• Verify "Test Connection" button tests the connection and displays appropriate toast
• Confirm buttons display correctly side-by-side with proper spacing
• Test responsive behavior with button wrapping on narrow viewports

Summary by CodeRabbit

• New Features

  • Test Connection button now integrated alongside Save Plex Settings for streamlined access to connection testing.
  • Provides real-time feedback and success/failure messages when testing Plex server connections.

• Refactor

  • Reorganized Plex settings interface by consolidating controls and removing redundant form elements.

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📥 Commits

Reviewing files that changed from the base of the PR and between c93951d and adc74b2.

📒 Files selected for processing (1)

• src/routes/admin/settings/+page.svelte

📝 Walkthrough

Walkthrough

Reorganized Plex settings UI by moving the Test Connection action from a separate test-connection-form block into a new plex-actions container alongside the Save Plex Settings button. Implemented a new Test Connection button with disabled states, loading indicator, and form toast notifications for test results.

Changes

Cohort / File(s)	Summary
Plex Settings UI Reorganization src/routes/admin/settings/+page.svelte	Moved Test Connection action from separate form block to plex-actions container. Added Test Connection button with disabled state logic (while testing or missing credentials), Loader icon during testing, form toast responses, and isTesting state reset. Removed test-connection-form wrapper and associated styles.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Poem

🐰 Hoppy hops with joy, button reordered,
Test connection gleams where once it scattered,
Loader spins, a Zap icon gleams,
Form toasts celebrate the refactored dreams! ✨

Pre-merge checks

✅ 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 accurately describes the main change: reorganizing and consolidating Plex settings controls by moving the Test Connection button into a unified action container with the Save button, which is the core refactoring objective.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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[engels74]

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Actionable comments posted: 1

📜 Review details

Configuration used: defaults

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 620ae26 and c93951d.

📒 Files selected for processing (1)

• src/routes/admin/settings/+page.svelte

🧰 Additional context used

📓 Path-based instructions (1)

**/*.{ts,tsx,js,jsx,svelte}

📄 CodeRabbit inference engine (CLAUDE.md)

**/*.{ts,tsx,js,jsx,svelte}: Follow the coding patterns established in .augment/rules/bun-svelte-pro.md
Remove redundant comments that restate what the code does; the code is the documentation
Keep comments that explain WHY, not WHAT (business logic rationale, non-obvious decisions)
Preserve essential context in comments that isn't obvious from reading the code itself
Never add section dividers or decorative comment blocks

Files:

• src/routes/admin/settings/+page.svelte

🔇 Additional comments (1)

src/routes/admin/settings/+page.svelte (1)

1756-1764: LGTM! Clean styling for the consolidated action row.

The .plex-actions styling properly implements flexbox layout with responsive wrapping and maintains visual consistency with the existing .panel-actions pattern.