chore: initialize EverOS 1.0.0

md-first memory extraction framework for AI agents.

Markdown is the single source of truth; SQLite holds state and LanceDB
provides the rebuildable vector + BM25 + scalar index. The codebase follows
a single-direction DDD layering (entrypoints -> service -> memory -> infra,
with component / core / config cross-cutting) enforced by import-linter.

Engineering surface:
- Coding conventions in .claude/rules/ (path-scoped) and workflows in
  .claude/skills/ (/commit, /new-branch, /pr).
- GitHub Actions CI runs make lint + test + integration; pre-commit mirrors
  the gates locally (ruff, hygiene hooks, gitlint commit-msg).
- Commit messages follow Conventional Commits, enforced by gitlint.
- make lint also enforces datetime two-zone discipline and OpenAPI drift.

use-cases/claude-code-plugin/update_local.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+# Update local plugin installation with current source code
+
+PLUGIN_NAME="evermem"
+SOURCE_DIR="$(cd "$(dirname "$0")" && pwd)"
+DEST_DIR="$HOME/.claude/plugins/cache/${PLUGIN_NAME}/${PLUGIN_NAME}/0.1.0"
+
+if [ ! -d "$DEST_DIR" ]; then
+    echo "Error: Plugin not installed at $DEST_DIR"
+    exit 1
+fi
+
+echo "Updating: $DEST_DIR"
+
+cp -r "$SOURCE_DIR/hooks" "$DEST_DIR/"
+cp -r "$SOURCE_DIR/mcp" "$DEST_DIR/" 2>/dev/null || true
+cp -r "$SOURCE_DIR/skills" "$DEST_DIR/" 2>/dev/null || true
+cp -r "$SOURCE_DIR/commands" "$DEST_DIR/" 2>/dev/null || true
+
+echo "✅ Done"