chore(release): v1.4.0rc2

rc2 adds #465: the lance spill failure is translated on the write path
(merge_insert), where the soak showed it actually occurs; rc1's #463 only
covered reads and never fired.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

Author: zhanghui

docs/openapi.json

@@ -3,7 +3,7 @@
   "info": {
     "title": "everos",
     "description": "md-first memory extraction framework",
-    "version": "1.4.0rc1"
+    "version": "1.4.0rc2"
   },
   "paths": {
     "/health": {

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "everos"
-version = "1.4.0rc1"
+version = "1.4.0rc2"
 description = "EverOS — local-first markdown memory framework for AI agents and user chats; lightweight, dev-friendly, small-team"
 license = {text = "Apache-2.0"}
 readme = "README.md"