(CODUX-226) Translate agent and guidance Settings

[numnx]

🧩 Task: Translate agent and guidance Settings

Automated task PR opened by Code UX for T07.

📋 Summary

Sprint: Sprint 226 · Dashboard internationalization foundation · Task: T07

Establish a dashboard-only English/German internationalization system with persisted locale selection, complete German coverage across every dashboard route and overlay except English documentation bodies, locale-aware formatting, and automated coverage checks while preserving backend contracts and runtime/API-authored messages verbatim.

🤖 Model & Provider

Provider	Codex CLI
Model	gpt-5.6-sol

⏱️ Timing

Started	2026-07-14 00:51:27 UTC
Finished	2026-07-14 01:05:50 UTC
Duration	14m 23s

📊 Token Usage

Metric	Value
Input tokens	281,692
Cached input tokens	16,958,720
Output tokens	51,945
Total tokens	17,292,357
Invocations	2
Tool calls	103
Active time	37m 28s

Included usage estimate (subscription/local login): $11.45

✅ QA Review

⏳ QA review runs after this PR is opened. Check the task card in the dashboard for the outcome once it lands.

📝 Full Task Prompt

## Objective
Translate the Agents, Techstacks, and Guidance Settings categories, including immediate persistent-storage operations and draft-backed agent configuration.

## Scope
- Create `dashboard/src/v2/i18n/messages/settings-agents-guidance.ts`
- Edit `SettingsAgentsPanel.tsx`, `SettingsAgentAuthoringPanel.tsx`, `SettingsAgentPersistentSkillsPanel.tsx`, `SettingsAgentReflectionPanel.tsx`, `SettingsAgentRoutingPanel.tsx`, `SettingsGuidancePanel.tsx`, and `SettingsTechstacksPanel.tsx`
- Edit `dashboard/src/v2/components/settings/PersistentSkillStorageManager.tsx`
- Edit dashboard presentation helpers under `dashboard/src/v2/lib/settings/design-guidance.ts`, `techstack-view-models.ts`, and `project-overrides.ts`
- Update agent-settings, guidance, tech-stack, persistent-skill, Settings controls, and accessibility tests

## Implementation Requirements
1. Translate routing choices, agent fallback descriptions, markdown-mirroring copy, reflection criteria UI, storage manager states, attachment summaries, tech-stack catalog controls, custom guidance editors, validation messages, and accessible names.
2. Keep agent IDs, preset names, user-entered instructions, criteria prompts, storage names, stack IDs, package names, application-kind values, and guidance text authored by users or agents verbatim.
3. Preserve the distinction between Settings drafts and immediate storage/attachment mutations, including pending suppression, deletion confirmation, focus restoration, and failed-operation recovery.
4. Test German empty/loading/error states, unavailable project context, inherited/overridden presentation, duplicate IDs/names, destructive storage deletion, long labels, and keyboard operation.

## Constraints
- Do not translate content that will be submitted to agents as instructions or memory templates.
- Do not alter settings schemas, agent routing behavior, Markdown synchronization, storage authorization, or API calls.
- Do not edit the main Agents route owned by T15 or shared Settings shell files owned by T04.

## Verification
- Run focused tests for Settings Agents, persistent skills, guidance, tech stacks, subcategory help, and Settings controls.
- Run `pnpm run lint`.
- Run `pnpm run test:dashboard`.
- Run `pnpm run build`.
- Success means the configuration UI is German while saved agent, skill, stack, and guidance content remains unchanged.

🌿 Branch Info

Base: feature/CODUX-226-dashboard-internationalization-foundation
Head: task/feature-codux-22-t07-codex-2df21aed-mrjwh5kh

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🤖 Generated by Code UX