Update golang:1.25.4-bookworm Docker digest to c5a9ab3

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
golang	stage	digest	7419f54 -> c5a9ab3

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Configuration

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[renovate]

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[github-actions]

🤖 Claude Code Review

Good! The AQAAAD string only appears in documentation/configuration files, not in actual code or license files. Now let me compile my review:

PR Code Review: Docker Image Digest Update

Summary

This PR updates the Docker base image digest for golang:1.25.4-bookworm in both Dockerfiles. This appears to be an automated dependency update (likely from Renovate bot based on the commit history).

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Code Quality

✅ Code follows style guide

Status: PASS (N/A for Dockerfile changes)

• This PR only updates Docker image SHA digests, which are infrastructure configuration changes.
• No Go code or style-dependent changes are present.

✅ No commented-out code

Status: PASS

• No commented-out code found in the diff.

✅ Meaningful variable names

Status: PASS (N/A)

• No new variables introduced. The IMAGE_BUILDER ARG name is already meaningful.

✅ DRY principle followed

Status: PASS

• The same digest update is consistently applied across both Dockerfiles.
• Both files use the same base image pattern which is appropriate.

✅ Identify Defects

Status: PASS

• Change Type: Security/maintenance update of Docker base image digest
• Files Modified:
  • Dockerfile:5
  • package.Dockerfile:5
• Change: SHA256 digest updated from 7419f544ffe9be4d7cbb5d2d2cef5bd6a77ec81996ae2ba15027656729445cc4 to c5a9ab37ec9e3103266a8c97c6eb8dfe3faca599737afc6ba2e8a5488adb13ae
• Risk Assessment: Low risk - This is a patch/rebuild of the same golang version (1.25.4-bookworm), not a version upgrade
• No logic errors or edge cases introduced

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Testing

❌ Unit tests for new functions

Status: NOT APPLICABLE

• No new functions added. This is an infrastructure update only.

❌ Integration tests for new endpoints

Status: NOT APPLICABLE

• No new endpoints added.

❌ Edge cases covered

Status: NOT APPLICABLE

• No code logic changes that would require edge case testing.

❌ Test coverage > 80%

Status: CANNOT VERIFY - No test coverage run shown

• Recommendation: While this PR doesn't add new code, it would be good practice to run the existing test suite to verify the updated base image doesn't break any existing functionality.
• Existing test files found: cmd/cmd_test.go, main_test.go, observer/observer_test.go, observer/observer_examples_test.go

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Documentation

❌ README updated if needed

Status: NOT REQUIRED

• The README.md doesn't reference specific Docker image digests, so no update needed.

❌ API docs updated

Status: NOT APPLICABLE

• No API changes.

❌ Inline comments for complex logic

Status: NOT APPLICABLE

• No new complex logic added.

❌ CHANGELOG.md updated

Status: NEEDS UPDATE ⚠️

• Issue: The CHANGELOG.md has not been updated for this change.
• Current State: The [Unreleased] section only contains a placeholder -
• Recommendation: Add an entry under [Unreleased] section:

  ### Changed in Unreleased
  
  - Update golang base image digest to c5a9ab3 (golang:1.25.4-bookworm)

• Location: CHANGELOG.md:8-10

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Security

✅ No hardcoded credentials

Status: PASS

• No credentials found in the diff or modified files.

✅ Input validation implemented

Status: NOT APPLICABLE

• No new input handling code.

✅ Proper error handling

Status: NOT APPLICABLE

• No new error handling code.

✅ No sensitive data in logs

Status: NOT APPLICABLE

• No logging changes.

✅ License files check

Status: PASS - No .lic files or AQAAAD strings found in code

• Searched for *.lic files: None found
• Searched for AQAAAD pattern: Only found in documentation/config files (pr-prompt.md, cspell.json)
• No license files have been committed in this PR

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Final Recommendation

Overall Assessment: ✅ APPROVE with minor suggestion

This is a clean, low-risk infrastructure update that:

• ✅ Updates Docker base image to latest digest for security/stability
• ✅ Applies changes consistently across both Dockerfiles
• ✅ Introduces no security vulnerabilities
• ✅ Follows existing patterns and conventions

Action Items:

1. ⚠️ OPTIONAL: Update CHANGELOG.md to document this change (best practice for dependency updates)
2. ⚠️ RECOMMENDED: Run CI/CD pipeline to verify the new base image doesn't break existing tests

Why this is safe:

• Same golang version (1.25.4-bookworm), just a digest update
• Likely a rebuild/patch by Docker/golang maintainers
• No code changes, only infrastructure
• Consistent with previous update patterns (see commit f39b18a)

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Automated code review analyzing defects and coding standards

[github-actions]

🤖 Claude Code Review

PR Code Review

Summary

This PR updates the golang base image SHA256 digest from 7419f544ffe9be4d7cbb5d2d2cef5bd6a77ec81996ae2ba15027656729445cc4 to c5a9ab37ec9e3103266a8c97c6eb8dfe3faca599737afc6ba2e8a5488adb13ae for the same version (golang:1.25.4-bookworm). This is a dependency update/security patch that refreshes the image digest, likely from automated dependency management (Renovate based on git history).

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Code Quality

✅ Code follows style guide

• Cannot verify against the specific style guide (WebFetch requires permission), but Dockerfile changes are minimal and consistent with existing code formatting
• Changes maintain existing style and structure

✅ No commented-out code

• No commented-out code introduced

✅ Meaningful variable names

• No variable name changes; ARG name IMAGE_BUILDER is descriptive and appropriate

✅ DRY principle followed

• Changes are properly applied to both Dockerfiles consistently
• Files modified: Dockerfile:5 and package.Dockerfile:5

✅ No defects identified

• This is a straightforward image digest update
• No logic changes, edge cases, race conditions, or memory issues introduced
• Minor observation: The changes are already committed (based on file reads), suggesting this review is post-merge

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Testing

⚠️ Unit tests for new functions

• N/A - No new functions introduced; this is an infrastructure change

⚠️ Integration tests for new endpoints

• N/A - No new endpoints; Docker image update only

✅ Edge cases covered

• Docker digest updates don't require additional edge case testing beyond CI/CD validation

⚠️ Test coverage > 80%

• N/A - No code changes affecting test coverage
• Existing test files remain unmodified: main_test.go, cmd/cmd_test.go, observer/observer_test.go, observer/observer_examples_test.go

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Documentation

❌ CHANGELOG.md updated

• Issue: CHANGELOG.md:8-10 shows [Unreleased] section is empty (just contains -)
• Recommendation: Should document the golang base image update, e.g.:

  ## [Unreleased]
  
  ### Changed
  - Update golang base image digest to c5a9ab37ec9e3103266a8c97c6eb8dfe3faca599737afc6ba2e8a5488adb13ae

✅ Readme updated if needed

• N/A - Infrastructure change doesn't affect user-facing documentation

✅ API docs updated

• N/A - No API changes

✅ Inline comments for complex logic

• N/A - No complex logic introduced

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Security

✅ No hardcoded credentials

• No credentials present

✅ Input validation implemented

• N/A - No input validation required for digest updates

✅ Proper error handling

• N/A - No error handling changes

✅ No sensitive data in logs

• No logging changes

✅ No license files (.lic) or AQAAAD strings

• Checked: No .lic files found in repository
• Checked: The AQAAAD string appears only in documentation files (prompt-temp.md, build-resources/claude/pr-prompt.md) and the cspell dictionary, not in actual license files
• No critical security issues

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Critical Issues

None

Recommendations

1. Update CHANGELOG.md - Document this dependency update in the [Unreleased] section
2. Consider adding the commit message style visible in git history: Update golang:1.25.4-bookworm Docker digest to c5a9ab3

Overall Assessment

✅ APPROVED - This is a clean, low-risk dependency update that maintains version consistency while updating the image digest (likely a security or bug fix from the golang team). The only issue is missing CHANGELOG documentation.

Automated code review analyzing defects and coding standards