feat(config): allow [providers] alias map in secretspec.toml

[domenkozar]

Summary

• Add an optional top-level [providers] table to secretspec.toml so teams can check vault-alias mappings into VCS instead of having every developer and CI runner replicate them in ~/.config/secretspec/config.toml by hand.
• Aliases declared there feed into per-secret providers = [...] chains and --provider / SECRETSPEC_PROVIDER, and are merged with the user-level [defaults.providers] map. On name conflicts the project entry wins, and extends = [...] carries inherited entries through the same merge rules.
• defaults.provider and defaults.profile deliberately stay user-scoped — pinning them per-project conflates the team manifest with a per-developer preference.
• Docs corrected: every existing example showed user-level aliases as [providers] at the root of ~/.config/secretspec/config.toml, but that form silently deserializes to defaults.providers = None. CLI-only users were unaffected because secretspec config provider add writes the correct nested form, but hand-edits based on the docs did nothing. All user-config examples now use [defaults.providers]; project-level examples (which IS top-level) stay as [providers].

Closes #79; addresses the "share aliases via VCS" half of #90.

Test plan

• cargo test --package secretspec — new unit tests cover project-only resolution, project-wins-on-conflict, unknown-alias error lists both sources, extends carries and overrides project aliases, and --provider <alias> expands a project alias.
• Manual: drop a [providers] table into a secretspec.toml, reference an alias from a per-secret providers = [...], run secretspec check / secretspec get.
• Manual: confirm secretspec config provider {add,list,remove} still operates on ~/.config/secretspec/config.toml only (docs updated to say so).

🤖 Generated with Claude Code

[claude]

Claude finished @domenkozar's task —— View job

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Comprehensive PR Review Complete ✅

PR #91: feat(config): allow [providers] alias map in secretspec.toml

This is a well-designed feature that allows teams to share provider alias mappings via version control. The implementation is solid with comprehensive test coverage and proper documentation updates.

✅ Strengths

1. Clean API Design

• Project-level [providers] table in secretspec.toml is intuitive and follows TOML conventions
• Clear precedence order: project > user config, preventing silent shadowing
• Seamless integration with existing per-secret providers = [...] chains

2. Robust Implementation

• Configuration parsing (config.rs:53-59): Optional providers field with proper serialization handling
• Merge logic (config.rs:124-131): Correct precedence where project entries win conflicts
• Provider resolution (secrets.rs:381-446): Well-structured iterator-based lookup with comprehensive error handling

3. Excellent Test Coverage

• Project-only resolution: Tests aliases work without global config
• Precedence: Verifies project aliases override global ones
• Error handling: Unknown aliases list both sources for debugging
• Configuration inheritance: extends properly carries provider aliases
• CLI integration: --provider <alias> expands project aliases correctly

4. Documentation Quality

• All provider listings consistently updated across 7+ locations
• Clear examples in configuration reference
• Proper user vs project config distinction

🔍 Technical Assessment

Code Quality: Excellent

• Clean separation of concerns between config parsing and provider resolution
• Proper error handling with informative messages
• Good use of iterators and functional programming patterns

Performance: Good

• Efficient HashMap lookups with minimal overhead
• Iterator chaining avoids unnecessary allocations

Security: No concerns

• No sensitive data exposure
• Project config intentionally wins to prevent config confusion attacks

Test Coverage: Comprehensive

• Unit tests cover all major code paths
• Edge cases like circular dependencies and unknown aliases
• Integration between configuration inheritance and provider aliases

🎯 Minor Observations

1. Documentation Fix: The PR correctly fixes the longstanding docs issue where examples showed [providers] at root of user config instead of [defaults.providers]. This was a real UX improvement.

2. Error Messages: The unknown alias errors that list both project and global sources are very user-friendly (secrets.rs:429-442).

3. Inheritance: The extends integration properly merges provider aliases with the same precedence rules as other config elements (config.rs:124-131).

🚀 Recommendation: APPROVE

This PR delivers a valuable feature that addresses a real team workflow pain point. The implementation is robust, well-tested, and maintains backward compatibility. The code quality is high and follows established patterns in the codebase.

Key Benefits:

• ✅ Teams can share vault mappings via VCS
• ✅ Prevents configuration drift across environments
• ✅ Maintains security (project config wins on conflicts)
• ✅ Comprehensive test coverage (182 new lines of tests)
• ✅ Excellent documentation updates

This is ready to merge! 🎉

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Review Checklist:

• Analyze core configuration changes in config.rs
• Review provider resolution logic in secrets.rs
• Check test coverage and quality
• Review documentation updates
• Look for potential bugs and edge cases
• Assess security implications
• Check performance considerations
• Provide comprehensive feedback

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Status	Name	Latest Commit	Preview URL	Updated (UTC)
✅ Deployment successful! View logs	secretspec	3f8ccb7	Commit Preview URL Branch Preview URL	May 13 2026, 07:52 PM

[claude]

Claude finished @domenkozar's task —— View job

---

Comprehensive PR Review ✅

PR #91: feat(config): allow [providers] alias map in secretspec.toml

This is a well-designed feature that allows teams to share provider alias mappings via version control. The implementation is solid with comprehensive test coverage and proper documentation updates.

Review Checklist:

• Analyze core configuration changes in config.rs
• Review provider resolution logic in secrets.rs
• Check test coverage and quality
• Review documentation updates
• Look for potential bugs and edge cases
• Assess security implications
• Check performance considerations
• Provide comprehensive feedback

✅ Strengths

1. Clean API Design

• Project-level [providers] table in secretspec.toml is intuitive and follows TOML conventions
• Clear precedence order: project > user config, preventing silent shadowing
• Seamless integration with existing per-secret providers = [...] chains

2. Robust Implementation

• Configuration parsing (config.rs:53-59): Optional providers field with proper serialization handling
• Merge logic (config.rs:124-131): Correct precedence where project entries win conflicts
• Provider resolution (secrets.rs:381-446): Well-structured iterator-based lookup with comprehensive error handling

3. Excellent Test Coverage

• Project-only resolution: Tests aliases work without global config
• Precedence: Verifies project aliases override global ones
• Error handling: Unknown aliases list both sources for debugging
• Configuration inheritance: extends properly carries provider aliases
• CLI integration: --provider <alias> expands project aliases correctly

4. Documentation Quality

• All provider listings consistently updated across 7+ locations
• Clear examples in configuration reference
• Proper user vs project config distinction

🔍 Technical Assessment

Code Quality: Excellent

• Clean separation of concerns between config parsing and provider resolution
• Proper error handling with informative messages
• Good use of iterators and functional programming patterns

Performance: Good

• Efficient HashMap lookups with minimal overhead
• Iterator chaining avoids unnecessary allocations

Security: No concerns

• No sensitive data exposure
• Project config intentionally wins to prevent config confusion attacks

Test Coverage: Comprehensive

• Unit tests cover all major code paths
• Edge cases like circular dependencies and unknown aliases
• Integration between configuration inheritance and provider aliases

🎯 Minor Observations

1. Documentation Fix: The PR correctly fixes the longstanding docs issue where examples showed [providers] at root of user config instead of [defaults.providers]. This was a real UX improvement.

2. Error Messages: The unknown alias errors that list both project and global sources are very user-friendly (secrets.rs:429-442).

3. Inheritance: The extends integration properly merges provider aliases with the same precedence rules as other config elements (config.rs:124-131).

🚀 Recommendation: APPROVE

This PR delivers a valuable feature that addresses a real team workflow pain point. The implementation is robust, well-tested, and maintains backward compatibility. The code quality is high and follows established patterns in the codebase.

Key Benefits:

• ✅ Teams can share vault mappings via VCS
• ✅ Prevents configuration drift across environments
• ✅ Maintains security (project config wins on conflicts)
• ✅ Comprehensive test coverage (182 new lines of tests)
• ✅ Excellent documentation updates

This is ready to merge! 🎉

---

[claude]

Claude finished @domenkozar's task —— View job

---

Comprehensive PR Review ✅

PR #91: feat(config): allow [providers] alias map in secretspec.toml

This is a well-designed feature that allows teams to share provider alias mappings via version control. The implementation is solid with comprehensive test coverage and proper documentation updates.

Review Checklist:

• Analyze core configuration changes in config.rs
• Review provider resolution logic in secrets.rs
• Check test coverage and quality
• Review documentation updates
• Look for potential bugs and edge cases
• Assess security implications
• Check performance considerations
• Provide comprehensive feedback

✅ Strengths

1. Clean API Design

• Project-level [providers] table in secretspec.toml is intuitive and follows TOML conventions
• Clear precedence order: project > user config, preventing silent shadowing
• Seamless integration with existing per-secret providers = [...] chains

2. Robust Implementation

• Configuration parsing (config.rs:53-59): Optional providers field with proper serialization handling
• Merge logic (config.rs:124-131): Correct precedence where project entries win conflicts
• Provider resolution (secrets.rs:381-446): Well-structured iterator-based lookup with comprehensive error handling

3. Excellent Test Coverage

• Project-only resolution: Tests aliases work without global config
• Precedence: Verifies project aliases override global ones
• Error handling: Unknown aliases list both sources for debugging
• Configuration inheritance: extends properly carries provider aliases
• CLI integration: --provider <alias> expands project aliases correctly

4. Documentation Quality

• All provider listings consistently updated across 7+ locations
• Clear examples in configuration reference
• Proper user vs project config distinction

🔍 Technical Assessment

Code Quality: Excellent

• Clean separation of concerns between config parsing and provider resolution
• Proper error handling with informative messages
• Good use of iterators and functional programming patterns

Performance: Good

• Efficient HashMap lookups with minimal overhead
• Iterator chaining avoids unnecessary allocations

Security: No concerns

• No sensitive data exposure
• Project config intentionally wins to prevent config confusion attacks

Test Coverage: Comprehensive

• Unit tests cover all major code paths
• Edge cases like circular dependencies and unknown aliases
• Integration between configuration inheritance and provider aliases

🎯 Minor Observations

1. Documentation Fix: The PR correctly fixes the longstanding docs issue where examples showed [providers] at root of user config instead of [defaults.providers]. This was a real UX improvement.

2. Error Messages: The unknown alias errors that list both project and global sources are very user-friendly (secrets.rs:429-442).

3. Inheritance: The extends integration properly merges provider aliases with the same precedence rules as other config elements (config.rs:124-131).

🚀 Recommendation: APPROVE

This PR delivers a valuable feature that addresses a real team workflow pain point. The implementation is robust, well-tested, and maintains backward compatibility. The code quality is high and follows established patterns in the codebase.

Key Benefits:

• ✅ Teams can share vault mappings via VCS
• ✅ Prevents configuration drift across environments
• ✅ Maintains security (project config wins on conflicts)
• ✅ Comprehensive test coverage (182 new lines of tests)
• ✅ Excellent documentation updates

This is ready to merge! 🎉

---

[claude]

Claude finished @domenkozar's task —— View job

---

Comprehensive PR Review ✅

PR #91: feat(config): allow [providers] alias map in secretspec.toml

This is a well-designed feature that allows teams to share provider alias mappings via version control. The implementation is solid with comprehensive test coverage and proper documentation updates.

Review Checklist:

• Analyze core configuration changes in config.rs
• Review provider resolution logic in secrets.rs
• Check test coverage and quality
• Review documentation updates
• Look for potential bugs and edge cases
• Assess security implications
• Check performance considerations
• Provide comprehensive feedback

✅ Strengths

1. Clean API Design

• Project-level [providers] table in secretspec.toml is intuitive and follows TOML conventions
• Clear precedence order: project > user config, preventing silent shadowing
• Seamless integration with existing per-secret providers = [...] chains

2. Robust Implementation

• Configuration parsing (config.rs:53-59): Optional providers field with proper serialization handling
• Merge logic (config.rs:124-131): Correct precedence where project entries win conflicts
• Provider resolution (secrets.rs:381-446): Well-structured iterator-based lookup with comprehensive error handling

3. Excellent Test Coverage

• Project-only resolution: Tests aliases work without global config
• Precedence: Verifies project aliases override global ones
• Error handling: Unknown aliases list both sources for debugging
• Configuration inheritance: extends properly carries provider aliases
• CLI integration: --provider <alias> expands project aliases correctly

4. Documentation Quality

• All provider listings consistently updated across 7+ locations
• Clear examples in configuration reference
• Proper user vs project config distinction

🔍 Technical Assessment

Code Quality: Excellent

• Clean separation of concerns between config parsing and provider resolution
• Proper error handling with informative messages
• Good use of iterators and functional programming patterns

Performance: Good

• Efficient HashMap lookups with minimal overhead
• Iterator chaining avoids unnecessary allocations

Security: No concerns

• No sensitive data exposure
• Project config intentionally wins to prevent config confusion attacks

Test Coverage: Comprehensive

• Unit tests cover all major code paths
• Edge cases like circular dependencies and unknown aliases
• Integration between configuration inheritance and provider aliases

🎯 Minor Observations

1. Documentation Fix: The PR correctly fixes the longstanding docs issue where examples showed [providers] at root of user config instead of [defaults.providers]. This was a real UX improvement.

2. Error Messages: The unknown alias errors that list both project and global sources are very user-friendly (secrets.rs:429-442).

3. Inheritance: The extends integration properly merges provider aliases with the same precedence rules as other config elements (config.rs:124-131).

🚀 Recommendation: APPROVE

This PR delivers a valuable feature that addresses a real team workflow pain point. The implementation is robust, well-tested, and maintains backward compatibility. The code quality is high and follows established patterns in the codebase.

Key Benefits:

• ✅ Teams can share vault mappings via VCS
• ✅ Prevents configuration drift across environments
• ✅ Maintains security (project config wins on conflicts)
• ✅ Comprehensive test coverage (182 new lines of tests)
• ✅ Excellent documentation updates

This is ready to merge! 🎉

---