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Phase 1c: Extract vault logic into zeph-vault crate (Layer 1)#2007

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bug-ops merged 10 commits intomainfrom
phase-1c-vault-extraction
Mar 19, 2026
Merged

Phase 1c: Extract vault logic into zeph-vault crate (Layer 1)#2007
bug-ops merged 10 commits intomainfrom
phase-1c-vault-extraction

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@bug-ops bug-ops commented Mar 18, 2026

Summary

Completes Phase 1c of god-crate decomposition: extract VaultProvider trait + implementations from zeph-core into new zeph-vault Layer 1 crate.

Changes

  • New crate: crates/zeph-vault/ (916 LOC extracted from zeph-core/src/vault.rs)

    • VaultProvider trait + AgeVaultProvider, EnvVaultProvider, ArcAgeVaultProvider implementations
    • All vault-related helpers and constants
    • MockVaultProvider (feature-gated: cfg(any(test, feature = "mock")))
    • Comprehensive test suite (age roundtrip, error paths, proptest fuzz)
  • Modified files:

    • zeph-core/Cargo.toml: added zeph-vault dep, moved age to dev-dep, removed zeroize
    • zeph-core/src/vault.rs: thin re-export shim (pub use zeph_vault::*) + integration test
    • Workspace Cargo.toml: added zeph-vault to members + workspace dependencies
    • CHANGELOG.md: documented extraction

Architecture

Layering (verified):

  • Layer 0: zeph-common (Secret, VaultError — no zeph-* deps)
  • Layer 1: zeph-vault (VaultProvider trait + backends, depends only on zeph-common)
  • Layer 2: zeph-core (SecretResolver impl, depends on zeph-vault + zeph-config)
  • No circular dependencies, clean separation

API Preservation: zeph-core re-exports all vault symbols via public use, preserving 30+ internal import paths. All consumers continue using crate::vault::VaultProvider, etc.

Validation

Tester: 6,078/6,078 tests pass
Security Auditor: SECURE (no unsafe code in prod, zeroization correct, no regressions)
Impl-Critic: CLEAN (re-export shim correct, orphan rule satisfied, feature gating proper)
Code Reviewer: APPROVED (layer separation clean, imports consolidated)
Perf Engineer: PASS (no binary size regression, tokio features fixed)

Quality Checks

  • cargo +nightly fmt --check
  • cargo clippy --workspace --features full -- -D warnings
  • cargo nextest run --workspace --features full --lib --bins: 6,078/6,078 ✓
  • Standalone zeph-vault build: ✓

Code Review Findings (All Resolved)

  • CRIT-01 (staged): zeph-vault directory fully staged ✓
  • IMP-01 (fixed): imports consolidated at top of lib.rs ✓
  • DEF-PERF-01 (fixed): added "rt-multi-thread" to tokio features ✓

Implementation Notes

This extraction continues Phase 1b (config extraction) and establishes zeph-vault as a reusable vault abstraction for future agent use cases. Zero backward compatibility concerns (pre-v1.0.0 software, clean code priority).

Phase 1d planned: Extract scheduler logic into zeph-scheduler (if not already done).

Related: Phase 1a (agent fields refactor), Phase 1b (config extraction, PR #2006)

…e (Layer 1)

This commit completes Phase 1c of the god-crate decomposition:
- Extracted VaultProvider trait + implementations (AgeVaultProvider, EnvVaultProvider,
  MockVaultProvider, ArcAgeVaultProvider) from zeph-core/src/vault.rs into new
  crates/zeph-vault/ Layer 1 crate (916 LOC)
- zeph-vault depends only on zeph-common (Layer 0), maintaining clean layering
- zeph-core re-exports vault API via `pub use zeph_vault::*` shim in vault.rs,
  preserving all 30+ internal import paths without breaking changes
- SecretResolver integration trait remains in zeph-core (orphan rule compliance)
- MockVaultProvider properly feature-gated via cfg(any(test, feature = "mock"))
- All secret handling unchanged: Zeroizing<String>, no Serialize impl, Debug redaction
- All 6,078 tests pass; fmt/clippy clean
- Zero performance regression; no new transitive dependencies
- All validators approved: security (SECURE), impl-critic (CLEAN), tester (6078/6078)

Fixes: Phase 1c vault extraction blockers (CRIT-01, IMP-01, DEF-PERF-01)
- CRIT-01: Staged crates/zeph-vault/ directory
- IMP-01: Consolidated fragmented imports at top of lib.rs
- DEF-PERF-01: Added "rt-multi-thread" to tokio features

Architecture (verified):
- Layer 0: zeph-common (Secret, VaultError — no zeph-* deps)
- Layer 1: zeph-vault (VaultProvider trait + AgeVaultProvider, EnvVaultProvider)
- Layer 2: zeph-core (SecretResolver impl, orchestration)
- No circular dependencies
- Clean separation maintained

This extraction reduces zeph-core by 916 LOC and establishes zeph-vault as
a reusable vault abstraction for future agent use cases.
@github-actions github-actions bot added documentation Improvements or additions to documentation rust Rust code changes dependencies Dependency updates size/XL Extra large PR (500+ lines) labels Mar 18, 2026
@github-actions github-actions bot added the core zeph-core crate label Mar 18, 2026
bug-ops added 6 commits March 19, 2026 00:28
…ction

- Root Cargo.toml: add zeph-vault to workspace members and dependencies
- crates/zeph-core/Cargo.toml: add zeph-vault dependency, move age to dev-dependencies, remove zeroize
- crates/zeph-vault/Cargo.toml: add 'rt-multi-thread' to tokio features (DEF-PERF-01 fix)
- CHANGELOG.md: document Phase 1c vault extraction
- Cargo.lock: update lockfile
- Created crates/zeph-core/tests/vault_integration.rs for integration test
- Test age_encrypt_decrypt_resolve_secrets_roundtrip tests vault + config integration
- Cleaned up crates/zeph-core/src/vault.rs to be pure re-export shim (no tests)
- All 6077 tests pass
- Removed crates/zeph-core/src/vault.rs (was just re-export shim)
- Added explicit re-export module in lib.rs to preserve crate::vault:: paths
- No wildcard imports — explicit re-exports only
- All 6077 tests pass
- Moved SecretResolver trait from src/config/ folder to config.rs file
- Removed re-exports from config.rs (only SecurityResolver + imports)
- Deleted src/config/ folder (now config.rs file only)
- Removed vault.rs, added vault re-export module to lib.rs
- Integration test moved to tests/vault_integration.rs
- Restored crates/zeph-core/config/default.toml (needed for bootstrap tests)
- All 5917 tests pass

Phase 1c now has clean architecture:
- Layer 0: zeph-common (Secret, VaultError)
- Layer 1: zeph-vault (VaultProvider + implementations)
- Layer 1: zeph-config (Config struct + loaders)
- Layer 2: zeph-core (SecretResolver trait, re-exports for API coherence)
The vault re-export module uses #[cfg(any(test, feature = "mock"))],
which requires the feature to be declared in zeph-core's Cargo.toml.
This also propagates the mock feature from zeph-vault.
@bug-ops bug-ops enabled auto-merge (squash) March 19, 2026 00:09
AutonomyLevel is defined in zeph_tools, not zeph_config. Update the
integration test import to reference it from the correct crate.
@github-actions github-actions bot added the tests Test-related changes label Mar 19, 2026
@bug-ops bug-ops merged commit fcefcb1 into main Mar 19, 2026
24 checks passed
@bug-ops bug-ops deleted the phase-1c-vault-extraction branch March 19, 2026 00:24
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