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- Add ts/search_select.ts: typed port of the SearchSelect/FilterSelect widget. Exports SearchSelectOption / SearchSelectChangeDetail as the single source of truth for the "search-select:change" event contract - add_purchase.ts now imports those types via `import type` (no runtime coupling), instead of redefining them locally - Declare window.readSearchSelect in ts/globals.d.ts - Point the SearchSelect component Media and every view/e2e/test reference at the compiled dist/search_select.js - Update doc comments in common/components/search_select.py to name the TS source Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>