Address review feedback for Hangul fallback classification and Zen editor overlay clearance.

Reframe the landing site as a native workspace, add the interactive AI disclosure sticker, align website shortcuts, and preserve handled sticker keyboard events.

* feat: add packaged CLI install and Linux CI

* ci: scope Linux formatting check

* fix: omit PDF association from Windows package

* fix: locate PDFium cache for AppImage

* fix: locate PDFium cache in Linux CI

* fix: refresh PDFium artifacts before AppImage packaging

* fix: rebuild PDFium target artifacts for AppImage

* Fix macOS Finder document opening

* Correct macOS openFile encoding

* fix: make markdown tables responsive

* fix: measure table cells intrinsically

* fix: keep table cell measurement intrinsic

* fix: improve mindmap panel sizing and shortcuts

* fix: preserve minimum mindmap panel width

* fix: match static sticker to original scale

* fix: use static AI sticker asset

* fix: preserve static sticker footprint

* docs: refresh project status after PR review

* docs: record static sticker merge

* docs: record merged PR outcomes

* feat: add file refresh and path actions

* fix: address PR 22 review findings

* fix: preserve refresh state across mode changes

* fix: guard refreshes across document updates

* fix: order concurrent file load intents

* feat: add Document Mindmap depth folding

* fix: preview TOML arrays in data mindmaps

* fix: bound data mindmap depth folding

* fix: preserve data mindmap root folding

* release: prepare v0.7.0

* docs: avoid unverified signing claims

Reconcile the project control plane, completed plans, release records, and public metadata with the verified v0.7.0 release.