feat(database): add schema bootstrap and config

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

backend/app/config.py

@@ -104,6 +104,15 @@ class Settings(BaseSettings):
     WEB_SEARCH_DEFAULT_LIMIT: int = 5
     WEB_SEARCH_TIMEOUT_SECONDS: int = 10
 
+    # === Hermes 风格升级开关 ===
+    ENABLE_RETROSPECTIVE: bool = True
+    ENABLE_SESSION_RETROSPECTIVE_SEARCH: bool = True
+    ENABLE_RUNTIME_SKILL_SHORTLIST: bool = True
+    ENABLE_LEARNING_SIGNALS: bool = True
+    ENABLE_SKILL_PROMOTION: bool = True
+    ENABLE_LEARNED_SKILL_LOADING: bool = True
+    ENABLE_PARALLEL_TASK_GRAPH: bool = True
+
 
 settings = Settings()
 settings.DATABASE_URL = settings.DATABASE_URL.replace("./data", _resolve_path("./data"), 1)