refactor: rebuild desktop app with Tauri

third_party/semble/LICENSE

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+Semble is available under the MIT License.
+
+Copyright (c) 2026 Thomas van Dongen
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

third_party/semble/UPSTREAM.md

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+<!-- Provenance for the Rust reimplementation and its compatibility fixtures. -->
+# Semble upstream
+
+- Repository: https://github.com/MinishLab/semble
+- Baseline commit: `921849164e2632dd4f0e1c1370f82cfe15ed6d6c`
+- License: MIT
+- Model: `minishlab/potion-code-16M-v2`
+
+The Rust implementation preserves the externally useful indexing and search behavior while remaining independent of Python at runtime.