Filled up empty translation strings in German Spanish French and Dutch

[MsVivienne]

Summary by CodeRabbit

• New Features
  • Expanded localization coverage: completed and updated German, Spanish, French, and Dutch translations for playback controls, transcript status, error messages, and navigation labels. Examples include “Conversation Audio,” “Follow/Follow playback,” “No content,” “Now,” and “Show timestamps (experimental).” Users should see more consistent, fully localized UI text across these areas.
• Chores
  • Minor locale formatting adjustments with no functional impact.

[coderabbitai]

Walkthrough

Locale updates across de-DE, es-ES, fr-FR, and nl-NL PO files to fill previously empty translations; minor non-functional tweak in es-ES.ts. No logic, exports, or control-flow changes—only string translations and formatting.

Changes

Cohort / File(s)	Summary of changes
German locale updates echo/frontend/src/locales/de-DE.po	Filled missing German translations for navigation, status, timestamps, and transcription-related strings; display-only text changes.
Spanish locale updates echo/frontend/src/locales/es-ES.po, echo/frontend/src/locales/es-ES.ts	Populated Spanish translations for UI/status/transcription strings; .ts retains same export structure with minor formatting/no-op change.
French locale updates echo/frontend/src/locales/fr-FR.po	Added French translations across numerous UI strings, including transcription, playback, and error messages; some deprecated entries remain marked.
Dutch locale updates echo/frontend/src/locales/nl-NL.po	Completed Dutch translations for labels, statuses, timestamps, and transcription messages; display-only updates.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Possibly related PRs

• ECHO-472 fix translation errors for ECHO #302 — Prior locale updates across de/es/fr/nl; similar translation population.
• fix styles for report #224 — Frontend localization (.po/.ts) updates aligning with current translation work.
• translation fix #298 — Directly touches nl-NL.po translations, overlapping with this PR’s Dutch updates.

Suggested labels

improvement

Pre-merge checks and finishing touches

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title Check	✅ Passed	This title directly and succinctly summarizes the primary change by indicating that empty translation strings were filled for German, Spanish, French, and Dutch, which matches the modifications in the PR without extraneous detail.
Docstring Coverage	✅ Passed	No functions found in the changes. Docstring coverage check skipped.

✨ Finishing touches

• 📝 Generate Docstrings

🧪 Generate unit tests

• Create PR with unit tests
• Post copyable unit tests in a comment

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📜 Recent review details

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📥 Commits

Reviewing files that changed from the base of the PR and between 387119c and 691a900.

📒 Files selected for processing (5)

• echo/frontend/src/locales/de-DE.po (13 hunks)
• echo/frontend/src/locales/es-ES.po (13 hunks)
• echo/frontend/src/locales/es-ES.ts (1 hunks)
• echo/frontend/src/locales/fr-FR.po (13 hunks)
• echo/frontend/src/locales/nl-NL.po (13 hunks)

🧰 Additional context used

🧬 Code graph analysis (1)

echo/frontend/src/locales/es-ES.ts (1)

echo/frontend/src/locales/en-US.ts (1)

• messages (1-1)

⏰ Context from checks skipped due to timeout of 90000ms. You can increase the timeout in your CodeRabbit configuration to a maximum of 15 minutes (900000ms). (1)

• GitHub Check: ci-check-server

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