[StuartFerguson]

Closes #840

Summary

• Capture the active immutable file-profile version when a file is accepted.
• Carry the version through import-log and file-created events into the file aggregate.
• Use the captured version during asynchronous processing and file recovery.
• Expose the version through file and import-log read models.
• Add aggregate, service, handler, recovery, and mapping coverage.

Verification

• dotnet build FileProcessor.sln --no-restore: passed with 0 errors.
• Business logic tests: 124 passed.
• Full solution tests: 183 passed; 15 Docker-backed integration tests could not start because Docker is unavailable (docker_engine).
• git diff --check: passed.

Follow-up

• Database projection/schema migration and database-backed version propagation remain covered by Migrate existing profiles and files to profile-versioning #846.

[chatgpt-codex-connector]

Codex Review Summary

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Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-10-16T16:37:34.265293Z	67a7b34	Manual request

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[chatgpt-codex-connector]

💡 Codex Review

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Reviewed commit: 26fdb2d7bf

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[codacy-production]

Up to standards ✅

🟢 Issues 0 issues

Results:
0 new issues

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🟢 Metrics 0 complexity · 0 duplication

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Complexity	0
Duplication	0

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[StuartFerguson]

@codex review

[chatgpt-codex-connector]

💡 Codex Review

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Reviewed commit: 67a7b34ce2

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