fix: make schema bootstrap mysql safe

schema.sql

@@ -233,7 +233,7 @@ CREATE TABLE IF NOT EXISTS h5_publish_records (
   updated_at BIGINT NOT NULL,
   KEY idx_h5_publish_route (url_slug, status, published_at),
   KEY idx_h5_publish_page (user_id, page_id, published_at),
-  KEY idx_h5_publish_auto_private (expires_at, user_confirmed_at) WHERE access_mode = 'public' AND user_confirmed_at IS NULL,
+  KEY idx_h5_publish_auto_private (expires_at, user_confirmed_at),
   UNIQUE KEY uq_h5_publish_token_hash (token_hash),
   CONSTRAINT fk_h5_publish_user FOREIGN KEY (user_id) REFERENCES h5_users(id) ON DELETE CASCADE,
   CONSTRAINT fk_h5_publish_page FOREIGN KEY (page_id) REFERENCES h5_page_records(id) ON DELETE CASCADE,
@@ -1013,7 +1013,7 @@ CREATE TABLE IF NOT EXISTS h5_blocked_words (
 
 -- Shared experience store (etat C): all goosed Worker instances read/write the
 -- same learned experience so capability is not siloed per instance. Built on
--- MySQL first with a keyword + recency retrieval; `embedding` is reserved for a
+-- MySQL first with a keyword + recency retrieval. `embedding` is reserved for a
 -- later move to PostgreSQL + pgvector without changing the calling contract.
 CREATE TABLE IF NOT EXISTS h5_experience (
   id CHAR(36) PRIMARY KEY,