Unlock previously locked records when executing READ, WRITE, REWRITE, DELETE and CLOSE

[yutaro-sakamoto]

• Make sure to unlock previously locked records when executing READ, WRITE, REWRITE, DELETE and CLOSE.
• Add extra conditions to SQL statements that unlock records in order not to unlock records locked by other processes.
• Add extra tests of unlocking records.

[Copilot]

Pull Request Overview

This PR implements functionality to unlock previously locked records when executing READ, WRITE, REWRITE, DELETE and CLOSE operations in indexed file handling. The change addresses record locking behavior in COBOL file operations to ensure proper cleanup of locks.

• Adds a new postProcess() method to handle unlocking operations after file operations complete
• Updates lock management SQL queries to include process UUID validation for safer unlocking
• Integrates lock cleanup into various file operation methods (READ, WRITE, REWRITE, DELETE)

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 2 comments.

File	Description
tests/indexed-lock.src/release-lock.at	Adds comprehensive test cases for unlock behavior during READ and REWRITE operations
libcobj/app/src/main/java/jp/osscons/opensourcecobol/libcobj/file/CobolIndexedFile.java	Implements core unlocking logic with SQL query updates and postProcess integration
libcobj/app/src/main/java/jp/osscons/opensourcecobol/libcobj/file/CobolFile.java	Adds postProcess framework and integrates unlock calls into file operation methods

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