fix(ai): show accurate toast when local model is loading or downloading

[mikib0]

Summary

• When the user sends a message while in local AI mode and the model is not yet ready, the toast message was always "Model not ready. Download the local model first." — even when the model was already downloaded and actively loading
• Now shows a state-specific message based on modelStatus:
  • downloading → "Model is still downloading, please wait."
  • preparing / checking → "Model is still loading, please wait."
  • idle / other → "Download the local model first."

Test plan

• Set AI mode to Local, send a message while model is in preparing state — confirm toast says "Model is still loading, please wait."
• Send a message while model is downloading — confirm toast says "Model is still downloading, please wait."
• Send a message with no model downloaded (idle) — confirm toast says "Download the local model first."

Summary by CodeRabbit

• New Features
  • AI chat error messages now show context-specific feedback based on the model’s current status (downloading, preparing, or not ready), improving clarity when submitting messages.
  • Localization for AI model status was refined with shorter, clearer prompts and additional loading/downloading messages to better guide users during model setup and updates.

[coderabbitai]

Caution

Review failed

Pull request was closed or merged during review

Walkthrough

The PR adds status-aware local-AI error toasts and i18n strings, converts Expo auth error constructors/callers to object-style parameters, nests a JWT option under jwks, and refactors captureApiException to accept an options object with updated call sites across API routes and services. A small biome.json ignore entry was added.

Changes

AI Model Status Toast Updates

Layer / File(s)	Summary
Status-aware AI model toast and localization apps/expo/app/(app)/ai-chat.tsx, apps/expo/lib/i18n/locales/en.json	Error toast title now branches on modelStatus (downloading / preparing / fallback not-ready). Added modelStillLoading and modelStillDownloading; shortened modelNotReady text.

Expo auth error shape changes

Layer / File(s)	Summary
Auth error API and hook call sites apps/expo/features/auth/lib/authErrors.ts, apps/expo/features/auth/hooks/useAuthActions.ts	AuthClientError constructor and toAuthError now take a single object parameter; all useAuthActions error conversions updated to toAuthError({ source, fallback }).

JWT plugin option shape

Layer / File(s)	Summary
JWT jwks option nesting packages/api/src/auth/auth.config.ts, packages/api/src/auth/index.ts	disablePrivateKeyEncryption is now passed under jwks: { ... } to the jwt(...) plugin call.

Sentry captureApiException refactor

Layer / File(s)	Summary
Sentry util and API call-site updates packages/api/src/utils/sentry.ts, many packages/api/src/... route and service files	captureApiException signature changed to a single options-object ({ error } & SentryOperationContext); numerous API route/service catch blocks updated to call captureApiException({ error, ... }) while preserving operation, tags, and extra metadata.

Tooling

Layer / File(s)	Summary
Biome ignore entry biome.json	Added !**/.expo to files.includes ignore entries.

Estimated code review effort

🎯 4 (Complex) | ⏱️ ~45 minutes

Possibly related PRs

• PackRat-AI/PackRat#2432: Related local-model readiness changes in ai-chat.tsx.
• PackRat-AI/PackRat#2378: Related weather service Sentry/error instrumentation adjustments.
• PackRat-AI/PackRat#2469: Related Expo auth AuthClientError / toAuthError signature changes.

Suggested labels

ci/cd

Suggested reviewers

• andrew-bierman
• Isthisanmol

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 60.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 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: improving toast messages when the local AI model is loading or downloading by showing state-specific feedback instead of a generic message.
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.

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✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/local-model-loading-message

Warning

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[github-actions]

Coverage Report for API Unit Tests Coverage (./packages/api)

Status	Category	Percentage	Covered / Total
🔵	Lines	95.02% (🎯 95%)	726 / 764
🔵	Statements	95.02% (🎯 95%)	726 / 764
🔵	Functions	100% (🎯 97%)	44 / 44
🔵	Branches	95.45% (🎯 92%)	294 / 308

File Coverage

File	Stmts	Branches	Functions	Lines	Uncovered Lines
Changed Files
packages/api/src/utils/sentry.ts	0%	100%	100%	0%	8-73

Generated in workflow #1457 for commit 2da980e by the Vitest Coverage Report Action

[github-actions]

Coverage Report for Expo Unit Tests Coverage (./apps/expo)

Status	Category	Percentage	Covered / Total
🔵	Lines	97.56% (🎯 95%)	560 / 574
🔵	Statements	97.56% (🎯 95%)	560 / 574
🔵	Functions	100% (🎯 97%)	51 / 51
🔵	Branches	95% (🎯 92%)	190 / 200

File Coverage

No changed files found.

Generated in workflow #1457 for commit 2da980e by the Vitest Coverage Report Action