refactor: prune root runtime compat aliases (#3687)

docs/architecture/crate-boundaries.md

@@ -146,6 +146,9 @@ RustFS root `storage_compat.rs` must expose bucket metadata and quota contracts
 as explicit aliases only. Broad `metadata`, `metadata_sys`, and `quota` module
 passthroughs are reserved to narrower app/admin/storage compatibility
 boundaries that still need module-local owner cleanup.
+Root runtime storage config initialization and disk endpoint contracts must also
+stay explicit aliases. The root compatibility boundary must not restore `com`,
+bare `init`, or grouped `endpoint::Endpoint` passthroughs.
 
 ECStore ClusterControlPlane read models must stay owned by the crate-private
 `cluster` module. Public access goes through `rustfs_ecstore::api::cluster` so

docs/architecture/migration-progress.md

@@ -5,16 +5,17 @@ Status values: `[ ]` not started, `[~]` in progress, `[x]` complete, `[!]` block
 ## Current Context
 
 - Issue: [`rustfs/backlog#660`](https://github.com/rustfs/backlog/issues/660)
-- Branch: `overtrue/arch-root-runtime-compat-boundaries`
-- Baseline: completed `C-011/C-012/C-013/API-055/API-059`.
-- Stacked on: main after workload admission provider composition.
+- Branch: `overtrue/arch-root-runtime-compat-aliases`
+- Baseline: completed `C-011/C-012/C-013/API-055/API-059/API-079`.
+- Stacked on: API-079 root runtime bucket compatibility pruning.
 - PR type for this branch: `pure-move`
 - Runtime behavior changes: none.
-- Rust code changes: prune broad root bucket metadata/quota compatibility module
-  passthroughs into explicit aliases for the current RustFS root consumers.
-- CI/script changes: guard against restoring broad root bucket compatibility
+- Rust code changes: prune root config read/write, config initialization, and
+  disk endpoint compatibility passthroughs into explicit aliases for startup
+  and runtime consumers.
+- CI/script changes: guard against restoring broad root config and disk endpoint
   module passthroughs.
-- Docs changes: record the API-079 root runtime bucket compatibility boundary.
+- Docs changes: record the API-080 root runtime compatibility alias boundary.
 
 ## Phase 0 Tasks
 
@@ -124,6 +125,23 @@ Status values: `[ ]` not started, `[~]` in progress, `[x]` complete, `[!]` block
     bucket metadata ownership, and all app/admin/storage compatibility paths.
   - Verification: RustFS compile coverage, formatting, diff hygiene, risk
     scan, architecture guard, pre-commit quality gate, and three-expert review.
+- [x] `API-080` Prune root runtime config and disk compatibility aliases.
+  - Completed slice: replace root config `com` passthroughs with explicit
+    config read/write aliases for module switches, expose ECStore config
+    initialization as `init_ecstore_config`, split disk endpoint access into an
+    explicit `Endpoint` alias, and guard these root aliases against broad
+    module restores.
+  - Acceptance: startup storage initializes ECStore config through a direct
+    compatibility alias, module switch persistence uses direct config IO
+    aliases, root runtime disk endpoint consumers keep the same endpoint type,
+    and app/admin/storage local compatibility modules remain unchanged for
+    their own cleanup slices.
+  - Must preserve: startup storage initialization order, global config
+    migration/retry behavior, module switch persistence semantics, endpoint
+    parsing/layout behavior, local disk and lock-client initialization,
+    readiness marking, and all app/admin/storage compatibility paths.
+  - Verification: RustFS compile coverage, formatting, diff hygiene, risk
+    scan, architecture guard, pre-commit quality gate, and three-expert review.
 - [x] `G-012` Inventory placement and repair invariants.
   - Acceptance:
     [`placement-repair-invariants.md`](placement-repair-invariants.md) records
@@ -3157,14 +3175,23 @@ Status values: `[ ]` not started, `[~]` in progress, `[x]` complete, `[!]` block
 
 | Expert | Status | Notes |
 |---|---|---|
-| Quality/architecture | passed | API-079 narrows the root RustFS bucket compatibility boundary to explicit aliases without adding new ECStore ownership cycles. |
-| Migration preservation | passed | Bucket notification loading, table-catalog metadata checks, quota error mapping, and app/admin/storage compatibility paths remain preserved. |
+| Quality/architecture | passed | API-080 narrows root runtime config and disk endpoint compatibility to explicit aliases without adding new ECStore ownership cycles. |
+| Migration preservation | passed | Startup config initialization, module switch persistence, endpoint handling, local disk/lock setup, readiness, and app/admin/storage compatibility paths remain preserved. |
 | Testing/verification | passed | RustFS compile coverage, migration guard, formatting, diff hygiene, added-line risk scan, full pre-commit, and three-expert review passed. |
 
 ## Verification Notes
 
 Passed before push:
 
+- Issue #660 API-080 current slice:
+  - `cargo check -p rustfs --lib`: passed.
+  - `cargo fmt --all --check`: passed.
+  - `git diff --check`: passed.
+  - `bash -n scripts/check_architecture_migration_rules.sh`: passed.
+  - `./scripts/check_architecture_migration_rules.sh`: passed.
+  - Rust added-line risk scan on changed Rust files and guard script: passed.
+  - `make pre-commit`: passed.
+
 - Issue #660 C-013 current slice:
   - `cargo test -p rustfs-concurrency workload::tests:: -- --nocapture`:
     passed.