Add an opt-in feedback submission flow that posts to the central
feedback-api service. Integrated into the existing LogViewerCard so
the same card now covers diagnostics capture (logs) and diagnostics
forwarding (feedback).
- Rust command `send_feedback` forwards the payload via reqwest, so
the Tauri origin never needs a CORS whitelist entry server-side
- First submission shows a one-time consent dialog explaining that
this is the only app feature that talks to a server besides updates
and Maximus sign-in
- Three opt-in checkboxes (all unchecked by default): navigation
context, recent error logs (appended as a suffix to the content),
identify with the Maximus account
- Context keys are limited to the server whitelist (page, locale,
theme, viewport, userAgent, timestamp); app_version + OS are packed
into userAgent via `get_feedback_user_agent` so we don't pull in an
extra Tauri plugin
- Error codes are stable strings (invalid, rate_limit, server_error,
network_error) mapped to i18n messages on the frontend
- Wording follows the cross-app convention documented in
`la-compagnie-maximus/docs/feedback-hub-ops.md`
- CSP `connect-src` extended with feedback.lacompagniemaximus.com
- Docs: CHANGELOG (EN + FR), guide utilisateur, docs.settings
(features/steps/tips) updated in both locales
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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