Package portable Linux runtime and verify Google CPU search

docs/ROADMAP.md

@@ -30,6 +30,10 @@ Status: implementation started; no production release yet. Windows VM tests use
 - [ ] Versioned embeddings, ANN index, exact-match priority and hybrid fusion.
 - [ ] English/German relevance corpus and measured top-10 recall.
 - [ ] Atomic model/index replacement and resumable persistent work queues.
+- [ ] Completed-source manifests with title/model/window policy keys and
+  citation remapping; reuse only verified complete document/media groups.
+- [ ] Durable generation tasks, crash resume and final corpus reconciliation;
+  see [incremental semantic design](INCREMENTAL-SEMANTIC.md).
 
 ## 3. Desktop
 - [ ] Tauri shell, accessible keyboard search, progressive results and previews (shell built; UI interaction verification pending).
@@ -62,6 +66,11 @@ Status: implementation started; no production release yet. Windows VM tests use
 - [x] Normal Windows x64 archive includes baseline/optimized CPU dispatch,
   OS AVX-state guards, shared app-local MSVC CRT and hashed DLL inventory;
   real optimized and baseline-only package inference passes in the CPU VM.
+- [x] Normal native Linux x86-64 CPU/Vulkan worker build, hashed 19-library
+  staging and genuine optimized/baseline-only CPU code-query inference outside
+  the build tree; desktop, ABI/older-hardware and GPU validation remain open.
+- [x] Actual Linux automatic CPU fallback with Vulkan loader, ICDs/drivers and
+  GPU devices absent in a verified private namespace; no GPU provider loaded.
 - [ ] Verify CPU dispatch on older physical CPUs and a clean Windows machine;
   dependency inspection and baseline execution on a modern VM are insufficient.
 - [ ] Actual missing/incompatible GPU drivers, precision, device loss and memory
@@ -92,8 +101,13 @@ Status: implementation started; no production release yet. Windows VM tests use
 - [ ] Test migrations, interrupted work, invalid documents, inaccessible/offline roots and cloud placeholders.
 - [ ] Automated native build matrix and documented supported cross-compilation paths.
 - [x] Native Linux headless workspace tests: 93 passed, 11 explicitly ignored.
-- [ ] Execute Linux native Google worker and desktop/macOS platform tests;
-  create Windows/macOS/Linux installers.
+- [x] Native Linux Google text/code/media reference parity and service
+  lifecycle/rebuild recovery: seven genuine CPU integration tests passed.
+- [x] Unsigned Linux x86-64 headless archive: verify extracted checksums/modes,
+  mixed document/code/audio indexing, decoder discovery, semantic retrieval,
+  line citations and strict filters outside the source/build directories.
+- [ ] Execute native Linux video/codec coverage and Linux desktop/macOS
+  platform tests; create Windows/macOS/Linux installers.
 - [ ] Signing/notarization configuration, upgrade/rollback validation, release instructions.
 
 ## 6. Local agents and optional answers