[ti-chi-bot]

This is an automated cherry-pick of #6568

What problem does this PR solve?

Issue Number: close #6548

What is changed and how it works?

Fix SchemaStore handling of view DDLs across schema initialization,
incremental replication, and database recovery.

• Handle view renames through the DDL dispatcher, excluding view IDs from
  physical table barriers and scheduling. Avoid accessing missing table
  metadata for incrementally created views, and update existing metadata
  for views loaded from the initial snapshot.
• Preserve the SQL statements, table information, and source names in mixed
  table/view rename events. Keep these fields aligned when individual
  renames are ignored by event filters.
• Remove stale snapshot metadata when views are dropped or replaced, so
  subsequent table name reuse and CREATE TABLE LIKE resolve the correct
  table.
• Retain view definitions in database recovery events while excluding view
  IDs from physical table scheduling.
• Extend existing unit tests and the multi_tables_ddl integration case to
  cover CREATE VIEW, CREATE OR REPLACE VIEW, single and mixed renames,
  DROP VIEW, name reuse, event filtering, and database recovery. Run the
  same integration scenarios across MySQL, Kafka, storage, and Pulsar sinks.

Check List

Tests

• Unit test
• Integration test

Questions

Will it cause performance regression or break compatibility?

Do you need to update user documentation, design documentation or monitoring documentation?

Release note

Fix an issue where view DDLs could cause TiCDC to panic, stall replication, or retain stale schema metadata.

[coderabbitai]

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Commits

Reviewing files that changed from the base of the PR and between 0203bbf and fb9c1d3.

Files selected for processing: 5

• logservice/schemastore/persist_storage_ddl_handlers.go
• logservice/schemastore/persist_storage_test.go
• tests/integration_tests/multi_tables_ddl/conf/normal.toml
• tests/integration_tests/multi_tables_ddl/data/test.sql
• tests/integration_tests/multi_tables_ddl/run.sh

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[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: wk989898

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