v1.1.0 release prep: docs, version bumps, hooks refactor, BoardPage fix

[OrF8]

Motivation

• Prepare the repository for the v1.1.0 release with focused features like Excel export and super-board support and document notable changes.
• Improve robustness of client data subscriptions around authentication and App Check retry behavior to avoid stale loads or incorrect loading states.
• Align package versions across the frontend and functions package and refresh documentation and security guidance.
• Fix a stale dependency array in the board UI to prevent incorrect parent-candidate lists when board type flags change.

Description

• Add CHANGELOG.md documenting the v1.1.0 release and prior notes.
• Refresh README.md to describe features (Excel export, super boards, invites, membership model), setup, deployment, and release status.
• Update SECURITY.md to a supported-version table and private vulnerability reporting guidance.
• Bump versions to 1.1.0 in package.json and functions/package.json and update corresponding package-lock.json entries.
• Refactor useBoards to key subscriptions by uid, centralize subscription state into a single state object, compute loading from a forUid marker, and return early when unauthenticated to avoid unnecessary subscriptions.
• Refactor useIncomingInvites similarly to key on email, hold state in a single object with forEmail for accurate loading semantics, and return early when unauthenticated.
• Fix BoardPage memo dependencies by adding isSuperBoard and isSubBoard to the useMemo dependency array to ensure parentCandidates recalculates correctly when board type changes.

Testing

• No automated tests were run as part of this change set.

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Codex Task

[Copilot]

Pull request overview

This PR prepares the repo for the v1.1.0 release by aligning versions, updating documentation/policies, improving subscription hook robustness around auth/App Check retry semantics, and fixing a stale memo dependency in BoardPage.

Changes:

• Added/updated release documentation (CHANGELOG.md, refreshed README.md, updated SECURITY.md).
• Bumped frontend + functions versions/locks to 1.1.0.
• Refactored useBoards / useIncomingInvites to key loading/subscription state by uid/email and adjusted BoardPage memo dependencies.

Reviewed changes

Copilot reviewed 8 out of 10 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
src/pages/BoardPage.jsx	Fixes useMemo dependency array so parent-candidate lists recompute when board type flags change.
src/hooks/useIncomingInvites.js	Refactors invites subscription state keyed by email and derives loading from forEmail.
src/hooks/useBoards.js	Refactors boards subscription state keyed by uid, integrates App Check retry state, derives loading from forUid.
SECURITY.md	Updates supported-version policy and private vulnerability reporting guidance.
README.md	Refreshes feature/set-up/deploy documentation for v1.1.0 and the board hierarchy/membership model.
package.json	Bumps frontend version to 1.1.0.
package-lock.json	Updates lockfile metadata to 1.1.0 (and associated lock updates).
functions/package.json	Bumps functions package version to 1.1.0.
functions/package-lock.json	Updates functions lockfile metadata to 1.1.0.
CHANGELOG.md	Adds changelog with 1.1.0 notes and prior release entries.

Files not reviewed (1)

• functions/package-lock.json: Language not supported

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[OrF8]

@codex
Please review all the unresolved comments in this PR and resolve them. Document every change you do, and which comment it resolves (with link to the comment).

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