update config system for better fallback mech

scripts/generate_docker_compose.py

@@ -756,17 +756,6 @@ def generate_config_toml(config: dict) -> str:
 # Generated by KohakuHub docker-compose generator
 # Use this for local development server
 
-[app]
-base_url = "http://localhost:48888"  # Dev server URL
-api_base = "/api"
-site_name = "KohakuHub"
-workers = 1  # Single worker for dev
-
-[database]
-backend = "postgres"
-url = "{db_url}"
-auto_migrate = true  # Auto-confirm migrations
-
 [s3]
 endpoint = "{s3_endpoint_internal}"
 public_endpoint = "{s3_endpoint_public}"
@@ -774,6 +763,7 @@ access_key = "{config['s3_access_key']}"
 secret_key = "{config['s3_secret_key']}"
 bucket = "hub-storage"
 region = "{s3_region}"
+force_path_style = true
 """
 
     # Add signature_version only if set (for external S3)
@@ -786,36 +776,55 @@ endpoint = "http://localhost:28000"
 repo_namespace = "hf"
 # Credentials auto-generated on first start
 
-[lfs]
-threshold_bytes = 1_000_000  # 1MB
-keep_versions = 5
-auto_gc = true
-
-[auth]
-session_secret = "{config['session_secret']}"
-session_expire_hours = 168  # 7 days
-token_expire_days = 365
-require_email_verification = false
-invitation_only = false
-
-[admin]
-enabled = true
-secret_token = "{config['admin_secret']}"
-
 [smtp]
 enabled = false
 host = "smtp.gmail.com"
 port = 587
 username = ""
 password = ""
-from = "noreply@kohakuhub.local"
-tls = true
+from_email = "noreply@kohakuhub.local"
+use_tls = true
+
+[auth]
+require_email_verification = false
+invitation_only = false
+session_secret = "{config['session_secret']}"
+session_expire_hours = 168  # 7 days
+token_expire_days = 365
+
+[admin]
+enabled = true
+secret_token = "{config['admin_secret']}"
 
 [quota]
-default_user_private_bytes = 10_000_000      # 10MB
-default_user_public_bytes = 100_000_000      # 100MB
-default_org_private_bytes = 10_000_000       # 10MB
-default_org_public_bytes = 100_000_000       # 100MB
+default_user_private_quota_bytes = 10_000_000      # 10MB
+default_user_public_quota_bytes = 100_000_000      # 100MB
+default_org_private_quota_bytes = 10_000_000       # 10MB
+default_org_public_quota_bytes = 100_000_000       # 100MB
+
+[fallback]
+enabled = true
+cache_ttl_seconds = 300
+timeout_seconds = 10
+max_concurrent_requests = 5
+
+[app]
+base_url = "http://localhost:48888"  # Dev server URL
+api_base = "/api"
+db_backend = "postgres"
+database_url = "{db_url}"
+# LFS Configuration (sizes in decimal: 1MB = 1,000,000 bytes)
+lfs_threshold_bytes = 5_000_000  # 5MB - files larger use LFS
+lfs_multipart_threshold_bytes = 100_000_000  # 100MB - files larger use multipart upload
+lfs_multipart_chunk_size_bytes = 50_000_000  # 50MB - size of each part (min 5MB except last)
+lfs_keep_versions = 5  # Keep last K versions of each LFS file
+lfs_auto_gc = true  # Automatically delete old LFS objects on commit
+# Download tracking settings
+download_time_bucket_seconds = 900  # 15 minutes - session deduplication window
+download_session_cleanup_threshold = 100  # Trigger cleanup when sessions > this
+download_keep_sessions_days = 30  # Keep sessions from last N days
+debug_log_payloads = false
+site_name = "KohakuHub"
 """
 
     return toml_content