Publish Windows 0.1.2 download and verified release evidence

docs/WINDOWS-0.1.2.md

@@ -1,6 +1,8 @@
 # Windows desktop 0.1.2 release preparation
 
-Application source: `57d211d` (2026-10-13). Publication remains pending.
+Application source: `57d211d65cb6d07877aacfa6e986c5be55c0cafb` (2026-10-13).
+Published as an unsigned prerelease:
+https://tea.karlcom.de/karl/searchi/releases/tag/v0.1.2
 This version includes rejection of explicitly incomplete/filtered optional AI
 answers. Shared engine/CLI component versions remain 0.1.0.
 
@@ -18,7 +20,14 @@ answers. Shared engine/CLI component versions remain 0.1.0.
   The owned process exit 1 is from intentional test cleanup, not spontaneous exit.
 
 Raw ignored evidence: `.searchi/packages/desktop-012-qa-Gemäß_日本/result.json`.
-NSIS installer compression is still running; installer checksum, publication,
-public-download verification and user documentation updates remain next steps.
+The NSIS installer completed successfully: `searchi_0.1.2_x64-setup.exe`,
+98,951,493 bytes, SHA-256
+`174a1b54127cd6772a300c98473d66da9ef79dabb7d3666d4ef0af65f6bab2f1`.
+Public unauthenticated full-byte installer and checksum downloads matched.
+`SHA256SUMS-0.1.2.txt` is 95 bytes, SHA-256
+`0747a24c7d257336b8e1f1055d954e85c5cf0f72575df3717353f817b316baf7`.
+Remote tag resolves to the exact application source above. An initially incorrect
+draft target was corrected before publication. Existing user installation was
+not automatically upgraded. Gitea Actions remain disabled.
 Native visual interaction, clean-machine install, upgrade, signing and physical
 GPU checks remain unexecuted. This preparation does not close those gates.