fix(studio): render complete interactive gallery previews

docs/releases/2026-10-19-studio-interactive-gallery.md

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+# Studio interactive gallery release
+
+Packages: Studio 0.1.4, design-system 0.1.1, compiler 0.8.45, UI 0.8.120.
+
+## Result
+
+All 104 gallery entries now have explicit sample props and content. Collection
+components receive rows, options, messages, tabs, tree nodes or metrics rather
+than empty defaults. Layout components receive slot content, including the
+conditional templates instantiated after hydration. Composite components render
+their nested shipped components instead of leaving empty mount placeholders.
+
+Previews include generated browser functions for the shipped components. Local
+Chart.js and Drawflow bundles render their real providers. Icon masks use the
+shipped Lucide collection, including its aliases; no CDN or icon font is needed.
+The map uses a labeled local schematic and supports marker selection and zoom.
+DeviceFrame shows local content and supports rotation. Toaster has a sample
+notification trigger; Confetti has room to animate without nested scrollbars.
+
+Large examples span the available gallery width. Sample output events are
+visible, and preview links do not navigate the frame to unrelated routes. Forms
+and uploads remain demonstrations: they do not submit user data. The editor
+reports rendering, readiness, and failures while preserving the draft. Readiness
+messages must come from the current preview window and match its document path.
+
+Switch tracks retain pill geometry across presets and older saved recipes. The
+component's semantic shape takes precedence over the ordinary control radius.
+DeviceFrame now uses the existing motion-base token rather than an undefined
+motion-normal token. The visual-contract update contains only those two files.
+
+A generated compiler commit variable shadowed FlowCanvas's `pending` state and
+threw during interaction. Commit bookkeeping now uses short names allocated
+against authored bindings. Tests cover pending, values, committed and the helper
+prefixes, while the generated-module size ratchet continues to pass.
+
+The user authorized including the concurrently edited chart-label improvements.
+Painted category ticks shorten at compact widths; complete labels remain in
+wrapped tooltips. Existing caller-provided callbacks remain authoritative.
+
+## Verification
+
+- Combined compiler, UI, design-system and Studio run: 548 passing tests.
+- TypeScript, public API baseline and UI visual-contract checks pass.
+- Gallery tests verify 104 sample cards, local assets, generated functions,
+  populated slots and absence of unresolved nested component mounts.
+- Browser review covers all seven pages, with 16 samples on the first six and
+  eight on the last. Actual checks include accordion expansion, Switch toggling
+  and its computed 999px radius, modal content, chart canvas creation, table rows,
+  graph nodes and selection, Confetti start, data-map selection, map zoom/selection
+  and a visible notification. No external map/embed access is required.
+- Existing draft schema, validation, generation locks and APIs remain unchanged.
+
+Source sample data is adapted from the existing component showcase profiles and
+reviewed as fixed Studio fixtures. The package has no runtime dependency on the
+component-showcase checkout. New contracts must receive a fixture before shipping.