webui: Agentic Loop + MCP Client with support for Tools, Resources and Prompts (#18655)

2026-03-06 10:00:39 +01:00
parent 2850bc6a13
commit f6235a41ef
147 changed files with 15285 additions and 366 deletions
@@ -0,0 +1,55 @@
+import { MimeTypeImage } from '$lib/enums';
+
+// File extension patterns for resource type detection
+export const IMAGE_FILE_EXTENSION_REGEX = /\.(png|jpg|jpeg|gif|svg|webp)$/i;
+export const CODE_FILE_EXTENSION_REGEX =
+	/\.(js|ts|json|yaml|yml|xml|html|css|py|rs|go|java|cpp|c|h|rb|sh|toml)$/i;
+export const TEXT_FILE_EXTENSION_REGEX = /\.(txt|md|log)$/i;
+
+// URI protocol prefix pattern
+export const PROTOCOL_PREFIX_REGEX = /^[a-z]+:\/\//;
+
+// File extension regex for display name extraction
+export const FILE_EXTENSION_REGEX = /\.[^.]+$/;
+
+// Separator regex for splitting display names (kebab-case/snake_case)
+export const DISPLAY_NAME_SEPARATOR_REGEX = /[-_]/;
+
+// Regex for matching base64-encoded data URIs
+export const DATA_URI_BASE64_REGEX = /^data:([^;]+);base64,([A-Za-z0-9+/]+=*)$/;
+
+// Prefix for MCP attachment filenames
+export const MCP_ATTACHMENT_NAME_PREFIX = 'mcp-attachment';
+
+// Prefix for MCP resource attachment IDs
+export const MCP_RESOURCE_ATTACHMENT_ID_PREFIX = 'res';
+
+// Default file extension for unknown image types
+export const DEFAULT_IMAGE_EXTENSION = 'img';
+
+// Default filename for resource content downloads
+export const DEFAULT_RESOURCE_FILENAME = 'resource.txt';
+
+// Path separator for resource URI parsing
+export const PATH_SEPARATOR = '/';
+
+// Separator for joining text content from multiple resource parts
+export const RESOURCE_TEXT_CONTENT_SEPARATOR = '\n\n';
+
+// Fallback text for unknown content types
+export const RESOURCE_UNKNOWN_TYPE = 'unknown type';
+
+// Label prefix for binary blob content
+export const BINARY_CONTENT_LABEL = 'Binary content';
+
+/**
+ * Mapping from image MIME types to file extensions.
+ * Used for generating attachment filenames from MIME types.
+ */
+export const IMAGE_MIME_TO_EXTENSION: Record<string, string> = {
+	[MimeTypeImage.JPEG]: 'jpg',
+	[MimeTypeImage.JPG]: 'jpg',
+	[MimeTypeImage.PNG]: 'png',
+	[MimeTypeImage.GIF]: 'gif',
+	[MimeTypeImage.WEBP]: 'webp'
+} as const;