Add PR 119 changelog entry

[justin808]

Summary

• add the missing Unreleased Fixed entry for PR Fix seam init argument forwarding #119
• document the user-visible seam-init forwarding and fail-closed hardening

Validation

• bin/validate
• RuboCop 1.87.0: 45 files, no offenses
• git diff --check

Post-merge audit fingerprint: pr-119:changelog-seam-init-forwarding-fixes

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Review details

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 61b69cfe-2010-43db-a465-9243b9535a9e

📥 Commits

Reviewing files that changed from the base of the PR and between 06f6cbf and 299e522.

📒 Files selected for processing (1)

• CHANGELOG.md

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch codex/119-changelog-followup

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[claude]

Review

Straightforward, correct changelog addition — nothing to flag.

• Content accuracy: The new Fixed entry accurately summarizes PR Fix seam init argument forwarding #119's actual scope (seam-init forwarding hardening across nested shells, env split strings, exec prefixes, and npm options; fail-closed on unsafe shapes).
• Format consistency: Matches the established convention in this file — bold summary sentence, PR link, author link — placed correctly under ### [Unreleased] → #### Fixed.
• Scope: Single-line, single-file, no code/logic changes, so no correctness, security, or performance concerns apply here.

LGTM.