ci: compare against last Soldeer publish for bump analysis

Tag soldeer-published after each successful Soldeer publish.
The bump script now compares against that tag so Claude sees
the diff from what users actually have, not intermediate tags
from failed publishes.

Author: 0xferit

.github/workflows/release.yml

@@ -82,3 +82,8 @@ jobs:
           echo "Publishing uint-quantization-lib~$VERSION to Soldeer..."
           soldeer login --token "$SOLDEER_TOKEN"
           soldeer push uint-quantization-lib~"$VERSION"
+
+      - name: Tag last Soldeer publish
+        run: |
+          git tag -f soldeer-published
+          git push origin soldeer-published --force

scripts/analyze-bump.sh

@@ -10,8 +10,11 @@ if [ -z "${CLAUDE_CODE_OAUTH_TOKEN:-}" ]; then
   exit 0
 fi
 
-# Comparison base: last release tag, or the repo root for the first release
-if [ -n "${LAST_RELEASE_GIT_TAG:-}" ]; then
+# Comparison base: last successful Soldeer publish, then last release tag, then repo root.
+# This ensures the bump reflects what users actually have, not intermediate failed publishes.
+if git rev-parse soldeer-published >/dev/null 2>&1; then
+  BASE="soldeer-published"
+elif [ -n "${LAST_RELEASE_GIT_TAG:-}" ]; then
   BASE="$LAST_RELEASE_GIT_TAG"
 else
   BASE=$(git rev-list --max-parents=0 HEAD)