refactor: unify storage config keys and refresh local dev setup

backend/src/core/config/settings.py

@@ -148,11 +148,22 @@ class SupabaseSettings(BaseModel):
 
 class StorageSettings(BaseModel):
     provider: Literal["supabase"] = "supabase"
-    bucket: str = Field(default="agent-chat-attachments", min_length=3, max_length=63)
     signed_url_ttl_seconds: int = Field(default=600, ge=60, le=3600)
-    max_file_size_mb: int = Field(default=20, ge=1, le=200)
     retention_days: int = Field(default=30, ge=1, le=3650)
 
+    class AttachmentSettings(BaseModel):
+        bucket: str = Field(
+            default="agent-chat-attachments", min_length=3, max_length=63
+        )
+        max_size_mb: int = Field(default=20, ge=1, le=200)
+
+    class AvatarSettings(BaseModel):
+        bucket: str = Field(default="avatars", min_length=3, max_length=63)
+        max_size_mb: int = Field(default=2, ge=1, le=10)
+
+    attachment: AttachmentSettings = Field(default_factory=AttachmentSettings)
+    avatar: AvatarSettings = Field(default_factory=AvatarSettings)
+
 
 class AgentRuntimeSettings(BaseModel):
     redis_stream_prefix: str = "agent:events"

backend/src/core/config/static/database/system_agents.yaml

@@ -18,7 +18,9 @@ agents:
       temperature: 0.7
       max_tokens: null
       timeout_seconds: 30
-      context_messages: null
+      context_messages:
+        mode: number
+        count: 20
       enabled_tools:
         - calendar.read
         - calendar.write

backend/src/core/runtime/cli.py

@@ -107,6 +107,10 @@ async def bootstrap() -> bool:
 
 
 async def run_automation_scheduler_forever() -> None:
+    if config.runtime.environment == "dev":
+        logger.info("Automation scheduler skipped in dev environment")
+        return
+
     if not config.automation_scheduler.enabled:
         logger.info("Automation scheduler disabled by config")
         return