v0.14.0

What's changed

• ci: hide source migrations during smoke test, extract checksum repair fn, add missing-dir guard (3a07a78)
• feat(agent): fetch live approval state from server, suppress no-pending-approval error on stale approvals (ad05bc9)
• feat(chat): file drag-and-drop overlay with document-level detection, aria announcer, CSS classes (2b0be30)
• fix(ui): dialog uses MuiModal, titlebar offset for dialogs, light mode bg variables, auth overflow fix (4a35122)
• feat(command-palette): natural language intent parser, smart command execution, destroy confirm flow (9d50e78)
• feat(agent): workspace picker dialog, edited files summary card, approval state guard, review panel cleanup (c9fff90)
• chore: bump version to 0.14.0 (a3f573d)