[soorya-u]

Summary

• Capture unrecognized TOML keys in config.toml / local.config.toml via #[serde(flatten)] extra field, preserving them through parse → serialize round-trips
• Merge unknown keys during config layering with shallow union (local overrides global)
• Document and verify whole-list replacement semantics for features and targets fields
• Refactor GlobalConfig, LocalConfig, and AppConfig in src/core/config/ to carry the extra map

Testing

• Unit tests for unknown string, table, and array keys surviving round-trip in GlobalConfig
• Unit tests for extra key merging: global-only, local-only, local-wins-on-collision
• Unit tests for list replacement: local features replaces global, local targets replaces global, omitted local falls back to global
• mise check (cargo fmt + clippy) and mise tests (cargo test) both passing

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Project	Deployment	Actions	Updated (UTC)
dotagents	Ready	Preview, Comment	May 30, 2026 12:41pm

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ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 58b951d2-8418-457e-8c46-d3bf0dab57f8

📥 Commits

Reviewing files that changed from the base of the PR and between 05c9f6c and f3a93c6.

📒 Files selected for processing (12)

• openspec/changes/archive/2026-05-30-config-merge-replace-lists/.openspec.yaml
• openspec/changes/archive/2026-05-30-config-merge-replace-lists/design.md
• openspec/changes/archive/2026-05-30-config-merge-replace-lists/proposal.md
• openspec/changes/archive/2026-05-30-config-merge-replace-lists/specs/config-preserve-unknown-keys/spec.md
• openspec/changes/archive/2026-05-30-config-merge-replace-lists/specs/deploy-pipeline/spec.md
• openspec/changes/archive/2026-05-30-config-merge-replace-lists/tasks.md
• openspec/specs/config-preserve-unknown-keys/spec.md
• openspec/specs/deploy-pipeline/spec.md
• src/core/config/app.rs
• src/core/config/global.rs
• src/core/config/local.rs
• src/templates/remote.rs

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch feature/config-merge-replace-lists

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[soorya-u]

incorrecty implementation