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Parfii-bot bc7e099697 refactor(v0.22): kei-store AsyncBackend trait + shared tokio runtime (Track B) 
Extracts an AsyncBackend trait in kei-store so future GCS/Azure/Bunny
backends implement 5 async fns, not re-invent the sync-over-tokio
bridge. Closes architect P1 + P2 findings.

NEW src/async_backend.rs (189 LOC):
  - trait AsyncBackend with get/put/list/list_recursive/delete/exists
  - AsyncBackendStore<B: AsyncBackend> — generic MemoryStore impl
    (sync-over-async via shared runtime)
  - shared_runtime() -> &'static Runtime via OnceLock
    (multi-thread, 2 workers, enable_io+enable_time)
  - path helpers (validate_rel, short_hash, is_manifest_key) moved
    here as single source of truth

NEW src/s3_cloud/backend.rs (120 LOC):
  - S3AsyncBackend impl of AsyncBackend — 5 async fns using the
    existing aws-sdk-s3::Client

MODIFIED src/s3_cloud/mod.rs (200 → 43 LOC):
  pub type S3CloudStore = AsyncBackendStore<S3AsyncBackend>;
  Thin re-export + inherent new(cfg) constructor.
  Doc-header documents the extension seam: 'adding GCS = impl 5 async fns'.

MODIFIED src/s3_cloud/keys.rs (66 → 40 LOC): compat shim — re-exports
  validate_rel / short_hash / is_manifest_key from async_backend.
  Old call-sites + 4 unit tests unchanged.

Deps: async-trait = 0.1 added under s3 feature; tokio now has
  rt-multi-thread feature too.

FIXES N=2 Store footgun: prior impl created a current_thread Runtime
  per instance — 2 instances in one process = 2 runtimes, block_on
  panic if caller is on another runtime. Shared multi-thread runtime
  via OnceLock means N instances all share 2 workers.

REAL VERIFICATION (agent-pasted):
  cargo check -p kei-store: clean
  cargo check -p kei-store --features s3: clean
  cargo test -p kei-store --release: 10+9+0 = 19 passed
  cargo test -p kei-store --features s3 --release: 38+9+6 = 53 passed
    (+7 vs baseline 46)

Tests added (7):
  async_backend::tests::shared_runtime_is_singleton
  async_backend::tests::validate_rel_rejects_absolute
  async_backend::tests::validate_rel_rejects_parent
  async_backend::tests::short_hash_deterministic
  async_backend::tests::is_manifest_key_matches_format
  s3_cloud::tests::async_backend_shared_runtime_handles_two_store_instances
  s3_cloud::tests::async_backend_runtime_is_multi_thread

Public API preserved: S3CloudStore::new / .branch / .current_branch /
  .key / .backend_name. Factory + integration tests untouched.

Pre-existing: list_inner 38 LOC (moved verbatim from mod.rs, not
  refactored per Core Rule 3).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-04-22 21:06:50 +08:00
..
firewall-diff feat(primitives): 2 Rust verification cubes 2026-04-21 21:00:01 +08:00
kei-artifact Merge feat/v0.16.1-polish — dynamic schema + mode matrix Phase 3.6 2026-04-22 15:13:05 +08:00
kei-auth fix(kei-auth): remove --key CLI flag (F12 HIGH — /proc/cmdline leak) 2026-04-22 13:36:17 +08:00
kei-changelog feat(primitives): kei-docs-scaffold shell + kei-changelog Rust 2026-04-21 21:01:28 +08:00
kei-chat-store chore(rust): misc schema/main refactor in 8 crates (assorted CP splits) 2026-04-22 13:36:17 +08:00
kei-conflict-scan feat(primitives): 4 Rust crates for deep-sleep — conflict-scan, refactor-engine, graph-check, store 2026-04-22 08:28:22 +08:00
kei-content-store chore(rust): misc schema/main refactor in 8 crates (assorted CP splits) 2026-04-22 13:36:17 +08:00
kei-crossdomain chore(rust): misc schema/main refactor in 8 crates (assorted CP splits) 2026-04-22 13:36:17 +08:00
kei-curator chore(rust): misc schema/main refactor in 8 crates (assorted CP splits) 2026-04-22 13:36:17 +08:00
kei-graph-check feat(primitives): 4 Rust crates for deep-sleep — conflict-scan, refactor-engine, graph-check, store 2026-04-22 08:28:22 +08:00
kei-ledger feat(primitives): kei-ledger Rust SQLite agent ledger 2026-04-21 20:52:20 +08:00
kei-memory feat(primitives): kei-memory Rust crate — offline session analyzer (Genesis-clean) 2026-04-22 00:50:04 +08:00
kei-migrate feat(primitives): kei-migrate Rust universal migration runner 2026-04-21 20:35:29 +08:00
kei-refactor-engine fix(kei-refactor-engine): retract 'git apply-ready' claim (F1 RELEASE BLOCKER) 2026-04-22 13:36:17 +08:00
kei-router chore(rust): misc schema/main refactor in 8 crates (assorted CP splits) 2026-04-22 13:36:17 +08:00
kei-sage chore(rust): misc schema/main refactor in 8 crates (assorted CP splits) 2026-04-22 13:36:17 +08:00
kei-search-core chore(rust): misc schema/main refactor in 8 crates (assorted CP splits) 2026-04-22 13:36:17 +08:00
kei-social-store chore(rust): misc schema/main refactor in 8 crates (assorted CP splits) 2026-04-22 13:36:17 +08:00
kei-store refactor(v0.22): kei-store AsyncBackend trait + shared tokio runtime (Track B) 2026-04-22 21:06:50 +08:00
kei-task chore(rust): misc schema/main refactor in 8 crates (assorted CP splits) 2026-04-22 13:36:17 +08:00
keisei fix(v0.21.1): wave-audit consolidated — 5 critic HIGH + 2 security HIGH + 3 polish 2026-04-22 20:03:17 +08:00
mock-render refactor(mock-render): split main.rs 227 LOC into 4 cubes (F5a Constructor Pattern) 2026-04-22 13:36:17 +08:00
ssh-check feat(primitives): 2 Rust verification cubes 2026-04-21 21:00:01 +08:00
tokens-sync feat(primitives): 3 Rust cubes — mock-render, visual-diff, tokens-sync 2026-04-21 21:07:45 +08:00
visual-diff feat(primitives): 3 Rust cubes — mock-render, visual-diff, tokens-sync 2026-04-21 21:07:45 +08:00
.gitignore feat(primitives): 2 Rust verification cubes 2026-04-21 21:00:01 +08:00
Cargo.lock refactor(v0.22): kei-store AsyncBackend trait + shared tokio runtime (Track B) 2026-04-22 21:06:50 +08:00
Cargo.toml fix(v0.19): audit hardening — 3 security HIGH + 3 critic HIGH + 2 critic MEDIUM 2026-04-22 16:36:11 +08:00