feat: implement multi-word AND search in all views and initialize RuFlo V3

.gitignore

@@ -8,3 +8,15 @@ coverage/
 !.env.example
 .vercel
 .env*.local
+
+# RuFlo / Claude-Flow
+.claude-flow/
+.claude/agents/
+.claude/helpers/
+.claude/commands/
+.claude/skills/
+.agents/
+.swarm/
+agentdb.rvf*
+ruvector.db
+claude-flow.config.json