Fix GitHub rate-limit handling and real-time PR refresh

[arul28]

Summary

• classify GitHub rate limits, invalid credentials, network failures, and unknown validation failures without presenting false missing-scope actions
• show quota/reset state in Settings and shared truthful banner copy
• stop PR polling results from re-arming bounded hot-refresh windows
• batch webhook-linked PRs into targeted one-shot reconciliation while retaining the normal safety poll and rate-limit backoff
• update desktop/CLI runtime wiring, mobile explanatory copy, and canonical docs

Root cause

Active CI changes were feeding back into ADE's 5-second hot PR poller. Each poll could mark the same PR hot again, extending the hot window indefinitely and exhausting the shared GitHub REST quota. When /user then returned 403, Settings flattened the validation failure into missing permissions.

Validation

• quality dual-review: 9 findings fixed; final correctness re-review clean
• 275 focused desktop tests
• affected desktop shards 1-5: 5,072 tests passed
• desktop and CLI typechecks
• CLI suite: 2,291 tests passed
• TUI suite: 961 tests passed
• iOS Swift syntax parse
• git diff --check

Docs validation reported only pre-existing public changelog drift for tags v1.2.38 and v1.2.39; internal feature docs passed.

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1 Skipped Deployment

Project	Deployment	Actions	Updated (UTC)
ade	Ignored		Jul 27, 2026 8:10pm

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Review details

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro Plus

Run ID: 9c0a4932-09f2-4b8a-a2ab-9d3f8920d792

📥 Commits

Reviewing files that changed from the base of the PR and between a1032b4 and d82a139.

⛔ Files ignored due to path filters (4)

• docs/features/automations/README.md is excluded by !docs/**
• docs/features/automations/triggers-and-actions.md is excluded by !docs/**
• docs/features/onboarding-and-settings/README.md is excluded by !docs/**
• docs/features/pull-requests/README.md is excluded by !docs/**

📒 Files selected for processing (16)

• apps/ade-cli/src/bootstrap.ts
• apps/desktop/src/main/main.ts
• apps/desktop/src/main/services/automations/automationIngressService.test.ts
• apps/desktop/src/main/services/automations/automationIngressService.ts
• apps/desktop/src/main/services/github/githubRateLimit.ts
• apps/desktop/src/main/services/github/githubService.test.ts
• apps/desktop/src/main/services/github/githubService.ts
• apps/desktop/src/main/services/prs/prAsync.test.ts
• apps/desktop/src/main/services/prs/prPollingService.ts
• apps/desktop/src/main/services/prs/prService.test.ts
• apps/desktop/src/main/services/prs/prService.ts
• apps/desktop/src/renderer/components/settings/GitHubSection.tsx
• apps/desktop/src/renderer/lib/githubIntegrationStatus.test.ts
• apps/desktop/src/renderer/lib/githubIntegrationStatus.ts
• apps/desktop/src/shared/types/git.ts
• apps/ios/ADE/Views/PRs/PrDetailScreen.swift

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/github-rate-limit-realtime

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