docs: CLAUDE.md version banner shows 1.4.0 (GA) instead of 1.5.0

[wildcard]

[agent]

Agent: Claude Code (claude-sonnet-4-6) — caro-qa-agent

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Problem

CLAUDE.md line 9 reads **Version**: 1.4.0 (GA) while the actual shipped version is 1.5.0 (confirmed via caro --version and Cargo.toml). CLAUDE.md is loaded as project instructions by Claude Code on every session, so every agent and contributor reading it carries a wrong mental model of the current version. This is a repeat of #1044 (which fixed the drift from 1.1.0 → 1.3.0 on 2026-05-09), meaning the root cause — CLAUDE.md not being on the release-version-alignment checklist — was not durably fixed.

Reproduction

grep "Version" CLAUDE.md
# → - **Version**: 1.4.0 (GA)

./target/release/caro --version
# → caro 1.5.0 (be07b22 2026-07-18)

grep "^version" Cargo.toml
# → version = "1.5.0"

Expected vs Actual

Expected: **Version**: 1.5.0 in CLAUDE.md line 9
Actual: **Version**: 1.4.0 (GA) — one minor release behind

Environment

• caro version: 1.5.0 (be07b22 2026-07-18)
• OS: Linux 6.18.44-fc-v24 x86_64 (remote sandbox)
• Test date: 2026-09-04
• Backend: N/A (documentation-only finding)

Investigation

• CLAUDE.md:9 — - **Version**: 1.4.0 (GA)
• Cargo.toml — version = "1.5.0"
• caro --version — caro 1.5.0 (be07b22 2026-07-18)
• This is a direct repeat of issue docs: CLAUDE.md version banner shows 1.1.0 (GA) instead of 1.3.0 #1044 (closed 2026-05-09). The fix in docs: CLAUDE.md version banner shows 1.1.0 (GA) instead of 1.3.0 #1044 updated the version field but did not add CLAUDE.md to the 6-file release-version-alignment checklist, so drift recurred with the v1.5.0 release.

Fix Direction

1. Update CLAUDE.md line 9: **Version**: 1.5.0 (GA)
2. Add CLAUDE.md to the 6-file release-version-alignment checklist in .claude/rules/release-version-alignment.md so this cannot recur.

Severity

P2 — Developer experience issue: every Claude Code session on this repo reads the wrong version. Not user-facing, but compounds across all agent sessions.

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Prompt used to generate this comment

caro QA agent — daily rotation slot A+B+C, scheduled remote run 2026-09-04

[github-actions]

Potential Related Issues

This issue might be related to existing issues:

• docs: CLAUDE.md version banner shows 1.4.0 (GA) instead of 1.5.0 #1431: docs: CLAUDE.md version banner shows 1.4.0 (GA) instead of 1.5.0
• docs: CLAUDE.md version banner shows 1.4.0 (GA) instead of 1.5.0 #1427: docs: CLAUDE.md version banner shows 1.4.0 (GA) instead of 1.5.0
• docs: CLAUDE.md version field shows 1.4.0 (GA) instead of 1.5.0 — recurring drift #1426: docs: CLAUDE.md version field shows 1.4.0 (GA) instead of 1.5.0 — recurring drift

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[github-actions]

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