chore: inicializacao agente auto-melhoria + nova-self-improver + .learnings/ + MEMORY.md

- Adiciona .learnings/ completo (LEARNINGS, ERRORS, FEATURE_REQUESTS, PATTERN_COUNTER)
- Cria MEMORY.md, SESSION-STATE.md, USER.md template
- Cria memory/2026-05-19.md (log diario)
- cria IDENTITY.md (Pulse ⚡)
- Atualiza AGENTS.md, SOUL.md, TOOLS.md com regras de auto-melhoria
- Instala nova-self-improver v1.0.0 via clawhub
- Skills totais: 6 instaladas

skills/self-improvement/hooks/openclaw/HOOK.md

@@ -0,0 +1,23 @@
+---
+name: self-improvement
+description: "Injects self-improvement reminder during agent bootstrap"
+metadata: {"openclaw":{"emoji":"🧠","events":["agent:bootstrap"]}}
+---
+
+# Self-Improvement Hook
+
+Injects a reminder to evaluate learnings during agent bootstrap.
+
+## What It Does
+
+- Fires on `agent:bootstrap` (before workspace files are injected)
+- Adds a reminder block to check `.learnings/` for relevant entries
+- Prompts the agent to log corrections, errors, and discoveries
+
+## Configuration
+
+No configuration needed. Enable with:
+
+```bash
+openclaw hooks enable self-improvement
+```