Log enhancement

[otherview]

Description

Log enhancements plus WAL checkpointing.

Fixes # (issue)

Type of change

• Bug fix (non-breaking change which fixes an issue)

Test Configuration:

• Go Version:
• Hardware:
• Docker Version:

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• New and existing E2E tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules
• I have not added any vulnerable dependencies to my code

[codecov-commenter]

Codecov Report

❌ Patch coverage is 66.66667% with 18 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
logdb/logdb.go	50.00%	9 Missing and 4 partials ⚠️
logdb/stmt_cache.go	70.00%	1 Missing and 2 partials ⚠️
cmd/thor/httpserver/api_server.go	0.00%	2 Missing ⚠️

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