chore(release): v0.9.33

[hyoshi]

Release v0.9.33

Version bump (0.9.32 → 0.9.33) and CHANGELOG for the configure self-service / always-on cycle.

Included since v0.9.32

• feat(configure): fixed default port + fallback, single-instance reuse, mureo open (#241 P1) #242 (configure: persistent service — fixed port + fallback, mureo open, auto-start at login #241 P1) — fixed default port + fallback, single-instance reuse, mureo open
• feat(configure): mureo service auto-start (launchd/systemd/Task Scheduler) + --serve headless mode (#241 P2) #243 (configure: persistent service — fixed port + fallback, mureo open, auto-start at login #241 P2) — mureo service auto-start (launchd/systemd/Task Scheduler) + --serve headless mode
• feat(configure): surface available mureo/plugin updates + one-click mureo upgrade --all (#239) #240 (configure: surface available mureo/plugin updates + one-click mureo upgrade --all #239) — surface available mureo/plugin updates + one-click upgrade
• fix(configure): non-blocking /api/updates + periodic update poll for the always-on service #245 — non-blocking /api/updates + periodic update poll for the always-on service
• feat(configure): add "Check for updates" button to the About tab #246 — "Check for updates" button on the About tab
• style(configure): lay out About check and update-all buttons in one row #247 — lay out About check + update-all buttons in one row
• feat(configure): localize provider credential section headings via display_name_i18n (#236) #244 (feat: プロバイダのセクション見出し（group heading）の i18n 対応（#187 で保留分） #236) — localize provider credential section headings via display_name_i18n
• fix(adapters): add ja translations to built-in Google/Meta account credential field labels (#237) #238 (Built-in Google/Meta AccountCredentialField labels lack ja translations — "Customer ID" / "Login Customer ID (MCC)" / "Ad Account ID" stay English in the Japanese UI #237) — ja translations for built-in Google/Meta account credential field labels

Changes in this PR

• pyproject.toml, mureo/__init__.py, .claude-plugin/plugin.json → 0.9.33
• CHANGELOG.md → [0.9.33] section

Release plan

After merge: tag v0.9.33 + publish GitHub Release → release.yml publishes to PyPI automatically.