Merge remote-tracking branch 'origin/master' into fs-overwrite-diff-bound-v2

# Conflicts:
#	docs/subsystems/lsp.i18n.yaml
#	packages/fs/fs-local/README.i18n.yaml
#	packages/fs/fs-local/README.md
#	packages/fs/fs-local/README.zh.md
#	packages/fs/fs-local/src/index.ts

packages/support/README.i18n.yaml

@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/support/README.md
-README.md: 15cb82d3d76a1241af8b40e1c8536292618409a9
-README.zh.md: ff8595b47f1a1220912dc77a072463adf74f7bf9
+README.md: bf0bba1ea7d21700a6743195ec966512c20e01bc
+README.zh.md: 47eba4d51c66914f388ba4a5925323173d5ed7e2

packages/support/README.md

@@ -14,3 +14,5 @@ These packages support repository development, tests, and examples rather than p
 | [`llm-replay/`](llm-replay/README.md) | Replays recorded model responses for keyless tests and demos |
 
 A package moves out of `support/` when it gains a product contract and product consumers.
+
+The invariants contract is documented in [docs/subsystems/invariants.md](../../docs/subsystems/invariants.md).

packages/support/README.zh.md

@@ -14,3 +14,5 @@
 | [`llm-replay/`](llm-replay/README.md) | 为无密钥测试和演示回放已记录的模型响应 |
 
 当一个包获得产品契约和产品消费方时，它会移出 `support/`。
+
+不变式契约记录在 [docs/subsystems/invariants.md](../../docs/subsystems/invariants.md)。