feat(ci): automate releases with git-tag-based versioning

Replace manual version bumping with automated release workflow.
Version is now derived from git tags instead of being committed
in package.json — the release workflow calculates semver bumps,
creates tags (no v prefix), and triggers npm publish.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: Vrtak-CZ

.github/workflows/npm-publish.yml

@@ -24,6 +24,8 @@ jobs:
           key: ${{ runner.os }}-bun-${{ hashFiles('bun.lock') }}
           restore-keys: ${{ runner.os }}-bun-
       - run: bun install --frozen-lockfile
+      - name: Set version from release tag
+        run: npm version "${{ github.event.release.tag_name }}" --no-git-tag-version --allow-same-version
       - run: bun run check
       - run: bun run typecheck
       - run: bun test

.github/workflows/release.yml

@@ -0,0 +1,48 @@
+name: Release
+
+on:
+  workflow_dispatch:
+    inputs:
+      bump:
+        description: "Version bump type"
+        required: true
+        type: choice
+        options:
+          - patch
+          - minor
+          - major
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - uses: actions/checkout@v6
+        with:
+          fetch-depth: 0
+
+      - name: Get latest tag
+        id: latest
+        run: |
+          TAG=$(git describe --tags --abbrev=0 2>/dev/null || echo "0.0.0")
+          echo "tag=$TAG" >> "$GITHUB_OUTPUT"
+
+      - name: Calculate new version
+        id: version
+        run: |
+          IFS='.' read -r major minor patch <<< "${{ steps.latest.outputs.tag }}"
+          case "${{ inputs.bump }}" in
+            major) major=$((major + 1)); minor=0; patch=0 ;;
+            minor) minor=$((minor + 1)); patch=0 ;;
+            patch) patch=$((patch + 1)) ;;
+          esac
+          echo "new=${major}.${minor}.${patch}" >> "$GITHUB_OUTPUT"
+
+      - name: Create tag and release
+        env:
+          GH_TOKEN: ${{ github.token }}
+        run: |
+          git tag "${{ steps.version.outputs.new }}"
+          git push origin "${{ steps.version.outputs.new }}"
+          gh release create "${{ steps.version.outputs.new }}" --generate-notes

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@cookielab.io/klovi",
-  "version": "0.9.8",
+  "version": "0.0.0",
   "description": "A local web app for browsing and presenting Claude Code session history",
   "module": "index.ts",
   "type": "module",

scripts/build-server.ts

@@ -1,14 +1,23 @@
 import { join } from "node:path";
 import pkg from "../package.json";
 
+let version = pkg.version;
+if (version === "0.0.0") {
+  try {
+    version = (await Bun.$`git describe --tags`.text()).trim();
+  } catch {
+    version = "dev";
+  }
+}
+
 let commitHash = "";
 try {
   commitHash = (await Bun.$`git rev-parse --short HEAD`.text()).trim();
 } catch {
   // git not available
 }
 
-await Bun.$`bun build index.ts --target node --outfile dist/server.js --define process.env.KLOVI_VERSION=${JSON.stringify(pkg.version)} --define process.env.KLOVI_COMMIT=${JSON.stringify(commitHash)}`;
+await Bun.$`bun build index.ts --target node --outfile dist/server.js --define process.env.KLOVI_VERSION=${JSON.stringify(version)} --define process.env.KLOVI_COMMIT=${JSON.stringify(commitHash)}`;
 
 // Prepend shebang for direct CLI execution (package.json "bin" points here)
 const serverPath = join(import.meta.dir, "..", "dist", "server.js");