merge: resolve v1.22.2 conflicts with custom

Per Q4 resolution (documented on kanban t_83741c53):
- .github/workflows/*: KEEP custom deletion (fork uses Gitea Actions under .gitea/workflows)
- ChatInput.tsx: KEEP custom forge picker states + provider-aware linkedPr
- WorkStatusContextSection.tsx: combine imports (WorkStatusPill + useConfigStore)
- WorkStatusPrimaryGroup.tsx: upstream nested-git/bootstrap-gate base + custom GitLab/Gitea forge rows
- NewWorktreeDialog.tsx: combine dialogs; keep custom MR/PR branch resolution
- SettingsView.tsx: custom deps minus undefined openThirdPartyProviderSetup
- search.ts + search.test.ts: KEEP upstream (enter-to-send, large-text-paste, first-party integrations)
- tr.ts: drop 4 auto-merge duplicate gitView.empty.* keys

packages/web/server/lib/opencode/DOCUMENTATION.md

@@ -218,7 +218,7 @@ Managed health failures are classified as `timeout`, `connection_refused`, `conn
 - `createSettingsHelpers(dependencies)`: creates settings helper runtime for settings request/response shaping.
 - Returned API:
   - `normalizePwaAppName(value, fallback?)`
-  - `sanitizeSettingsUpdate(payload)`
+  - `sanitizeSettingsUpdate(payload)` — whitelist of persisted keys; includes `gitProviders` (validated via `packages/web/server/lib/git-providers/config.js` `sanitizeGitProviders`), which therefore round-trips through GET/PUT `/api/config/settings`.
   - `mergePersistedSettings(current, changes)`
   - `formatSettingsResponse(settings)`