Publish verified Ubuntu desktop preview setup and evidence

README.md

@@ -88,9 +88,15 @@ Already installed? Close searchi before installing the update. Version 0.1.3
 adds isolated PDF/DOCX processing and more reliable, bounded media previews.
 
 The installer creates a launcher and sets up WebView2 if needed. This initial
-release is unsigned. macOS and Linux desktop packages follow; source build instructions
+release is unsigned. A Linux desktop preview is also available; macOS source build instructions
 are available now. You can also let your local AI agent handle setup.
 
+**Ubuntu 24.04 x64 desktop preview:** [Download the Debian package](https://tea.karlcom.de/karl/searchi/releases/download/v0.1.3/searchi_0.1.3_amd64.deb)
+and install with `sudo apt install ./searchi_0.1.3_amd64.deb`.
+[Checksums](https://tea.karlcom.de/karl/searchi/releases/download/v0.1.3/LINUX-DESKTOP-SHA256SUMS-0.1.3.txt).
+Startup was tested in WSL using CPU; native graphical interaction and other
+distributions still need testing. [Compatibility and evidence](docs/LINUX-DESKTOP.md).
+
 **Running a Linux server?** The optional
 [Linux x64 headless preview](https://tea.karlcom.de/karl/searchi/releases/download/v0.1.3/searchi-headless_0.1.0_linux-x86_64-013.tar.xz)
 includes the CLI, read-only MCP server, Google runtime and media helpers.
@@ -108,7 +114,7 @@ Official repository: https://tea.karlcom.de/karl/searchi
 
 Detect my operating system and processor architecture. Use a suitable official
 release from the README or releases page, including the Windows installer or
-compatible Linux headless archive. Check its documented system requirements,
+compatible Ubuntu desktop package or Linux headless archive. Check its documented system requirements,
 verifying its published checksums. Otherwise,
 set up the current source version using the repository's installation/build
 instructions. Handle the required tools and dependencies for me; don't just
@@ -134,7 +140,8 @@ followed by a search in my own words.
 ```
 
 Your agent needs internet access and permission to install software locally.
-Windows x64 setup can use the published installer; compatible headless Linux
+Windows x64 setup can use the published installer; Ubuntu 24.04 x64 can use the
+desktop preview, and compatible headless Linux
 systems can use the preview archive. Other platforms currently build from
 source. The local search model downloads approximately **865 MB**
 once, and cached assets are reused. Your agent should report any platform

docs/LINUX-DESKTOP.md

@@ -21,8 +21,8 @@ Immutable source: `/home/karl/.cache/searchi-validation/linux-desktop-a6bf091`.
 
 This proves native compilation and local loader dependency resolution, not
 native UI interaction, runtime resource discovery, clean-machine deployment,
-installer packaging, Wayland shortcut operation or broad Linux compatibility.
+Wayland shortcut operation or broad Linux compatibility.
-No Linux desktop download is published. Native graphical checks remain open.
+Native graphical checks remain open.
 
 ## Relocated startup
 
@@ -54,5 +54,24 @@ and was never published. A fresh source snapshot now uses the existing verified
 resource stager, yielding 33 resource files instead of copying a CMake build tree.
 Linux staged `.so` files are excluded from Git like Windows DLLs.
 
-Final package compression, extracted payload/ABI checks and startup validation
+The final Debian preview is published with v0.1.3:
-are in progress. No desktop Debian download is published yet.
+[download](https://tea.karlcom.de/karl/searchi/releases/download/v0.1.3/searchi_0.1.3_amd64.deb)
+and [checksum](https://tea.karlcom.de/karl/searchi/releases/download/v0.1.3/LINUX-DESKTOP-SHA256SUMS-0.1.3.txt).
+It is 103871912 bytes, SHA-256
+`2eb4252a16190353e7ad3074951d0c79ae03124b01bd3b048a72b6ad0efc0adb`.
+Public unauthenticated download bytes were verified. Only the desktop executable
+was stripped; verified Google and extraction worker resources were preserved.
+XZ level-nine compression fits the existing upload limit without server changes.
+
+Actual ELF requirements are GLIBC 2.39 and GLIBCXX 3.4.32; Debian dependencies
+declare `libc6 (>= 2.39)` and `libstdc++6 (>= 13.2)` alongside GTK/WebKit.
+This is an Ubuntu 24.04 x86-64 preview, not a general older-Linux package.
+Canonical resource staging used immutable source `d0b8dbf`; application source
+remains `a6bf091`. Later Rust fixes are not included in this package.
+
+The final compressed package was extracted and started under an owned Xvfb/DBus
+session using the CPU/software flags above. Its bundled genuine Google query
+worker started with one CPU thread and the desktop remained alive afterward.
+Raw report: `.searchi/qa/linux-deb-startup-013-stripped.json`.
+This checks packaged startup and resource discovery, not interactive rendering,
+system installation, GPU operation or clean-machine compatibility.