H-6625: Improve loading, org invites, action bell routing

[CiaranMn]

🌟 What is the purpose of this PR?

A few improvements to the frontend:

1. Better loading state in the supply chain route
2. Auto-accept org invites if arriving for email verification from link (rather than inputting code)
3. More reliable 'load more' button handling in entities table
4. Route notification bell to inbox section with action items

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Project	Deployment	Actions	Updated (UTC)
hash	Ready	Preview, Comment	Jun 29, 2026 10:44pm

2 Skipped Deployments

Project	Deployment	Actions	Updated (UTC)
hashdotdesign-tokens	Ignored	Preview	Jun 29, 2026 10:44pm
petrinaut	Skipped		Jun 29, 2026 10:44pm

[cursor]

PR Summary

Medium Risk
Relaxing getMyPendingInvitations auth and auto-accept on signup affect org membership and workspace selection; supply-chain web-ID fallback could bind to a different web than the user expects if multiple scopes have data.

Overview
Supply chain routes now use a shared SupplyChainAppSkeleton instead of generic spinners, and the supplyChain feature flag no longer blocks those paths. SupplyChainDataShell tries an ordered list of web IDs (active workspace, org memberships, account) until it finds products, tracks the winning scope, and shows clearer empty-state copy when nothing is found.

Signup / org invites: getMyPendingInvitations is gated with loggedInMiddleware only (not full signup completion), so verified users mid-signup can load invites. The signup page falls back to getMyPendingInvitations when there is no invitationId, auto-accepts when appropriate, and refetches invites and switches active workspace to the invited org after acceptance.

Entities table: “Show more” is driven by an explicit hasMoreRowsAvailable prop tied to nextCursor, not comparing row count to totalResultCount; remaining count is omitted when the total is unknown.

Inbox navigation: New getInboxHref prioritizes actions → notifications → invites; the sidebar Inbox and header bell use it (bell skips draft-entity actions).

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[Copilot]

Pull request overview

Frontend-focused improvements across navigation, onboarding, and the supply-chain experience. Key themes are making loading states feel more “app-like”, routing notification entrypoints to the most relevant inbox subsection, and improving reliability of incremental table loading.

Changes:

• Introduced getInboxHref() and routed both the sidebar “Inbox” link and the header notification bell to the most relevant inbox subsection (actions/notifications/invites).
• Replaced several supply-chain “Loading…” placeholder states with a consistent skeleton (SupplyChainAppSkeleton) and improved scope-selection behavior when data is missing.
• Updated signup to auto-handle pending org invitations post-verification (and adjusted API middleware to allow fetching pending invites for logged-in users who haven’t completed signup), plus made “load more” handling more reliable in the entities table.

Reviewed changes

Copilot reviewed 15 out of 15 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
apps/hash-frontend/src/shared/layout/layout-with-sidebar/sidebar.tsx	Uses getInboxHref() so the Inbox sidebar item routes to the most relevant subsection.
apps/hash-frontend/src/shared/layout/layout-with-header/notifications-dropdown.tsx	Routes the bell icon to the most relevant inbox target via getInboxHref().
apps/hash-frontend/src/shared/get-inbox-href.ts	Adds a shared helper to compute the best Inbox destination.
apps/hash-frontend/src/pages/supply-chain/supply-chain-data-shell/site.tsx	Replaces per-view loading state with the supply-chain skeleton.
apps/hash-frontend/src/pages/supply-chain/supply-chain-data-shell/opportunity.tsx	Replaces brief loading UI with the supply-chain skeleton.
apps/hash-frontend/src/pages/supply-chain/supply-chain-data-shell.tsx	Adds multi-scope registry loading fallback behavior and uses skeleton + updated empty/error UX.
apps/hash-frontend/src/pages/supply-chain/site/[site-id]/opportunity/[opportunity-type]/[product-id]/[step-id].page.tsx	Uses skeleton while router params are not ready.
apps/hash-frontend/src/pages/supply-chain/shared/supply-chain-layout.tsx	Uses skeleton while workspace scope is resolving.
apps/hash-frontend/src/pages/supply-chain/shared/load-state.tsx	Introduces SupplyChainAppSkeleton to match supply-chain page chrome.
apps/hash-frontend/src/pages/supply-chain/product/[product-id].page.tsx	Replaces product-page loading UI with the skeleton.
apps/hash-frontend/src/pages/signup.page.tsx	Adds auto-handling for pending invitations after verification and refreshes invites/workspace on accept.
apps/hash-frontend/src/pages/shared/entities-visualizer/entities-table.tsx	Makes “has more rows” explicit via prop and improves remaining-count rendering when totals are unknown.
apps/hash-frontend/src/pages/shared/entities-visualizer.tsx	Supplies hasMoreRowsAvailable based on cursor presence.
apps/hash-frontend/src/pages/_app.page.tsx	Removes supply-chain hidden-pathname gating for the supplyChain feature flag.
apps/hash-api/src/graphql/resolvers/index.ts	Allows getMyPendingInvitations for logged-in users who may not have completed signup.

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[cursor]

Cursor Bugbot has reviewed your changes and found 1 potential issue.

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[Copilot]

Pull request overview

Copilot reviewed 15 out of 15 changed files in this pull request and generated 4 comments.

[Copilot]

Pull request overview

Copilot reviewed 15 out of 15 changed files in this pull request and generated 5 comments.