[fix](streamingjob) Persist cdc_stream TVF offset across FE checkpoint

[JNSimba]

What problem does this PR solve?

Related PR: #62449

Problem Summary:

PR #62449 fixed streaming job offset state-loss after FE checkpoint restart for the S3 path, but the cdc_stream TVF path has the same root cause and worse impact: after a checkpoint restart in the binlog phase, the job replays from the very beginning of the binlog (because currentOffset == null falls through to a fresh BinlogSplit with no startingOffset).

Root cause: JdbcTvfSourceOffsetProvider.getPersistInfo() returns null, so offsetProviderPersist is never written into the FE image. After checkpoint, the pre-checkpoint journal is GC'd, neither journal-replayed currentOffset nor image-persisted state survives, and recovery falls back to a fresh provider with empty chw/bop.

Only the non-cloud mode is affected. Cloud mode is fine because replayOnCloudMode pulls a cumulative attachment from MS.

Fix — reuse the parent's existing chw/bop/ts@SerializedName persistence:

• Drop the getPersistInfo() override so the parent's GsonUtils.GSON.toJson(this) writes chw/bop/ts into the image.
• Add a restoreFromPersistInfo() override to read them back on FE startup (called from gsonPostProcess).
• In updateOffset binlog branch, mirror startingOffset into binlogOffsetPersist so it survives the image (currentOffset has no @SerializedName).
• In replayIfNeedcurrentOffset == null branch, rebuild BinlogSplit from bop, or apply chw (using the existing null.null remap) when restoring snapshot phase.

Release note

Fix cdc_stream TVF offset state loss after FE checkpoint restart (non-cloud mode).

Check List (For Author)

• Test

  • Regression test (`test_streaming_job_cdc_stream_postgres_checkpoint_restart_fe.groovy` covers both mid-snapshot and binlog-phase checkpoint restart)
  • Unit Test
  • Manual test
  • No need to test

• Behavior changed:

  • No.

• Does this need documentation?

  • No.

Check List (For Reviewer who merge this PR)

• Confirm the release note
• Confirm test cases
• Confirm document
• Add branch pick label

[JNSimba]

/review

[JNSimba]

run buildall

[JNSimba]

run p0

[JNSimba]

run nonConcurrent

[JNSimba]

/review

[github-actions]

Summary:

I found one blocking test-coverage issue. The production change is focused on persisting and restoring the TVF JDBC offset provider state across checkpoint-image recovery, and the implementation generally follows the existing provider replay model, but the new regression test does not reliably exercise the mid-snapshot checkpoint recovery path that is the risky part of the change.

Critical checkpoint conclusions:

• Goal/test proof: The goal is to recover cdc_stream TVF progress after checkpoint GC removes pre-checkpoint journals. The binlog-image path is covered, but the snapshot chw-image path is not reliably proven because the test waits while the job continues to run.
• Scope: The code change is small and focused.
• Concurrency/lifecycle: No new locks or threads are introduced. The relevant lifecycle is FE image load plus later scheduler replay; no direct lock-order issue found.
• Persistence/transactions: The change relies on offsetProviderPersist in the image and txn commit attachments. The main uncovered risk is whether a partially completed snapshot is restored from image without txn replay.
• Parallel paths: Cloud replay still uses the existing latest attachment path; no additional issue found in this PR scope.
• Test results: Added regression output is ordered, but the new test can pass without exercising the intended mid-snapshot checkpoint scenario.
• Observability/performance: Added logs are lightweight; no new hot-path performance issue found.

User focus: No additional user-provided review focus was specified.

[liaoxin01]

LGTM

[github-actions]

PR approved by at least one committer and no changes requested.

already fixed