Add captured demo logs and a cache traceability report

[koriym]

Captured output (tree + JSON, schema-validated) of the four self-verifying demos, committed under demo/logs/, and a report on how much cache traceability and explicitness improved in the next release (docs/cache-traceability-report.md, English and Japanese).

Neither ships in a release: demo/ and docs/ are already export-ignored, verified with git archive.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: dec71080-d825-4251-b8b1-3d3d890a2052

📥 Commits

Reviewing files that changed from the base of the PR and between 283badd and 39fafe5.

⛔ Files ignored due to path filters (4)

• demo/logs/run-degraded.log is excluded by !**/*.log
• demo/logs/run-dependency.log is excluded by !**/*.log
• demo/logs/run-donut.log is excluded by !**/*.log
• demo/logs/run.log is excluded by !**/*.log

📒 Files selected for processing (3)

• demo/run-degraded.php
• docs/cache-traceability-report.ja.md
• docs/cache-traceability-report.md

Included review availability: Your plan provides up to 1 included review per hour; 0 remain after this review.

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📝 Walkthrough

Walkthrough

The pull request adds English and Japanese cache traceability reports. It also updates degraded-path demo text to use the requestedTtl log field and describe the recorded TTL values.

Changes

Cache traceability

Layer / File(s)	Summary
Cache traceability report docs/cache-traceability-report.md, docs/cache-traceability-report.ja.md	The reports document twelve cache conditions, typed event fields, schemas, validation evidence, test results, and logging boundaries.
Degraded demo output alignment demo/run-degraded.php	The session-I output now uses requestedTtl and distinguishes the requested TTL from the rendered view and ETag TTL.

Estimated code review effort: 2 (Simple) | ~10 minutes

Merge Risk: ⚪ Minimal · up to 39faf

This change adds non-release demo evidence and documentation without introducing an actionable merge-blocking risk; it is merge-ready after normal checks and review.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly identifies the two main changes: captured demo logs and the cache traceability report.
Description check	✅ Passed	The description accurately summarizes the added demo logs, documentation, validation, and export behavior.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 1 files. (2 skipped: 2 unsupported.)
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (283badd) to head (39fafe5).

Additional details and impacted files

@@             Coverage Diff             @@
##                 1.x      #199   +/-   ##
===========================================
  Coverage     100.00%   100.00%           
  Complexity       496       496           
===========================================
  Files             96        96           
  Lines           1311      1311           
===========================================
  Hits            1311      1311           

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[koriym]

@coderabbitai review

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