[PR] [python] Add table repair verification logic for pypaimon (Part 1/3) [paimon]

["JunRuiLee (via GitHub)" <gi...@apache.org>]

JunRuiLee opened a new pull request, #7943:
URL: https://github.com/apache/paimon/pull/7943

   ## Summary
   - Implement read-only metadata consistency verification for Paimon tables
   - Verifies the chain: LATEST → snapshot → manifest list → manifest files → data files
   - Reports broken links, corrupted files, and dangling references
   - Supports branch-qualified tables and custom `partition.default-name`
   - Progress logging every 1000 data files; time complexity: O(total_data_files)
   
   ## Context
   Split from #7940 following @JingsongLi's [review comment](https://github.com/apache/paimon/pull/7940#pullrequestreview-4351628317).
   
   - **Part 1 (this PR)**: Read-only verification logic (`TableRepair.verify()`)
   - **Part 2**: Fix mode + catalog integration (depends on Part 1)
   - **Part 3**: CLI command (depends on Part 2)
   
   Please merge in order: Part 1 → Part 2 → Part 3.
   
   ## Tests added
   - `TestRepairReport`: 5 cases covering RepairReport/RepairIssue data classes
   - `TestTableRepairVerify`: 11 cases covering verify() — healthy table, missing manifest list, dangling LATEST, corrupted snapshot, data file checks (missing/existing/DELETE entries/partitioned/custom default-name), branch support


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Re: [PR] [python] Add table repair verification logic for pypaimon (Part 1/3) [paimon]

["JunRuiLee (via GitHub)" <gi...@apache.org>]

JunRuiLee closed pull request #7943: [python] Add table repair verification logic for pypaimon (Part 1/3)
URL: https://github.com/apache/paimon/pull/7943


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