fix(release): use monthly patch versions

Switch release train handling to YYYY.M.PATCH monthly patch numbering, preserve pre-transition compatibility, and pin the June 2026 stable/beta floor at 2026.6.5 after the published beta.

Verification:
- node scripts/run-vitest.mjs run test/appcast.test.ts test/release-check.test.ts test/scripts/package-mac-app.test.ts test/scripts/package-mac-dist.test.ts test/openclaw-npm-release-check.test.ts test/npm-publish-plan.test.ts src/infra/npm-registry-spec.test.ts src/infra/clawhub.test.ts src/plugins/clawhub.test.ts test/plugin-npm-release.test.ts test/scripts/ios-version.test.ts test/scripts/ios-pin-version.test.ts
- node --import tsx scripts/plugin-npm-release-check.ts --base-ref origin/main --head-ref HEAD
- node --import tsx scripts/plugin-clawhub-release-check.ts --base-ref origin/main --head-ref HEAD
- git diff --check origin/main...HEAD
- .agents/skills/autoreview/scripts/autoreview --mode branch --base origin/main --no-web-search

.github/workflows/macos-release.yml

@@ -13,7 +13,7 @@ on:
         default: true
         type: boolean
       public_release_branch:
-        description: Public branch that contains the release tag commit, usually main or release/YYYY.M.D
+        description: Public branch that contains the release tag commit, usually main or release/YYYY.M.PATCH
         required: false
         default: main
         type: string
@@ -73,7 +73,7 @@ jobs:
         run: |
           set -euo pipefail
           if [[ "${PUBLIC_RELEASE_BRANCH}" != "main" && ! "${PUBLIC_RELEASE_BRANCH}" =~ ^release/[0-9]{4}\.[1-9][0-9]*\.[1-9][0-9]*$ ]]; then
-            echo "public_release_branch must be main or release/YYYY.M.D, got ${PUBLIC_RELEASE_BRANCH}." >&2
+            echo "public_release_branch must be main or release/YYYY.M.PATCH, got ${PUBLIC_RELEASE_BRANCH}." >&2
             exit 1
           fi
           RELEASE_SHA=$(git rev-parse HEAD)

.github/workflows/openclaw-npm-release.yml

@@ -391,7 +391,7 @@ jobs:
             tideclaw_alpha_publish=true
           fi
           if [[ "${WORKFLOW_REF}" != "refs/heads/main" ]] && [[ ! "${WORKFLOW_REF}" =~ ^refs/heads/release/[0-9]{4}\.[1-9][0-9]*\.[1-9][0-9]*$ ]] && [[ "${tideclaw_alpha_publish}" != "true" ]]; then
-            echo "Real publish runs must be dispatched from main, release/YYYY.M.D, or a Tideclaw alpha branch for alpha prereleases. Use preflight_only=true for other branch validation."
+            echo "Real publish runs must be dispatched from main, release/YYYY.M.PATCH, or a Tideclaw alpha branch for alpha prereleases. Use preflight_only=true for other branch validation."
             exit 1
           fi
 

.github/workflows/openclaw-release-checks.yml

@@ -132,7 +132,7 @@ jobs:
             fi
           fi
           if [[ "${WORKFLOW_REF}" != "refs/heads/main" ]] && [[ ! "${WORKFLOW_REF}" =~ ^refs/heads/release/[0-9]{4}\.[1-9][0-9]*\.[1-9][0-9]*$ ]] && [[ ! "${WORKFLOW_REF}" =~ ^refs/heads/release-ci/[0-9a-f]{12}-[0-9]+$ ]] && [[ "${tideclaw_alpha_check}" != "true" ]]; then
-            echo "Release checks must be dispatched from main, release/YYYY.M.D, a Full Release Validation release-ci/<sha>-<timestamp> ref, or a Tideclaw alpha branch for alpha prereleases." >&2
+            echo "Release checks must be dispatched from main, release/YYYY.M.PATCH, a Full Release Validation release-ci/<sha>-<timestamp> ref, or a Tideclaw alpha branch for alpha prereleases." >&2
             exit 1
           fi
 

.github/workflows/openclaw-release-publish.yml

@@ -120,7 +120,7 @@ jobs:
             tideclaw_alpha_publish=true
           fi
           if [[ "${PUBLISH_OPENCLAW_NPM}" == "true" && "${WORKFLOW_REF}" != "refs/heads/main" && ! "${WORKFLOW_REF}" =~ ^refs/heads/release/[0-9]{4}\.[1-9][0-9]*\.[1-9][0-9]*$ && "${tideclaw_alpha_publish}" != "true" ]]; then
-            echo "publish_openclaw_npm=true requires dispatching this workflow from main, release/YYYY.M.D, or a Tideclaw alpha branch for alpha prereleases." >&2
+            echo "publish_openclaw_npm=true requires dispatching this workflow from main, release/YYYY.M.PATCH, or a Tideclaw alpha branch for alpha prereleases." >&2
             exit 1
           fi
           if [[ "${PUBLISH_OPENCLAW_NPM}" == "true" && "${PLUGIN_PUBLISH_SCOPE}" != "all-publishable" ]]; then