🎨 优化扩展模块，完成ai接入和对话功能

data/st-core-scripts/scripts/constants.js

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+/**
+ * Common debounce timeout values to use with `debounce` calls.
+ * @readonly
+ * @enum {number}
+ */
+export const debounce_timeout = {
+    /** [100 ms] For ultra-fast responses, typically for keypresses or executions that might happen multiple times in a loop or recursion. */
+    quick: 100,
+    /** [200 ms] Slightly slower than quick, but still very responsive. */
+    short: 200,
+    /** [300 ms] Default time for general use, good balance between responsiveness and performance. */
+    standard: 300,
+    /** [1.000 ms] For situations where the function triggers more intensive tasks. */
+    relaxed: 1000,
+    /** [5 sec] For delayed tasks, like auto-saving or completing batch operations that need a significant pause. */
+    extended: 5000,
+};
+
+/**
+ * Used as an ephemeral key in message extra metadata.
+ * When set, the message will be excluded from generation
+ * prompts without affecting the number of chat messages,
+ * which is needed to preserve world info timed effects.
+ */
+export const IGNORE_SYMBOL = Symbol.for('ignore');
+
+/**
+ * Common video file extensions. Should be the same as supported by Gemini.
+ * https://ai.google.dev/gemini-api/docs/video-understanding#supported-formats
+ */
+export const VIDEO_EXTENSIONS = ['mp4', 'avi', 'mov', 'wmv', 'flv', 'webm', '3gp', 'mkv', 'mpg'];
+
+/**
+ * Known generation triggers that can be passed to Generate function.
+ */
+export const GENERATION_TYPE_TRIGGERS = [
+    'normal',
+    'continue',
+    'impersonate',
+    'swipe',
+    'regenerate',
+    'quiet',
+];
+
+/**
+ * Known injection IDs and helper functions for system extensions handling.
+ */
+export const inject_ids = {
+    STORY_STRING: '__STORY_STRING__',
+    QUIET_PROMPT: 'QUIET_PROMPT',
+    DEPTH_PROMPT: 'DEPTH_PROMPT',
+    DEPTH_PROMPT_INDEX: (index) => `DEPTH_PROMPT_${index}`,
+    CUSTOM_WI_DEPTH: 'customDepthWI',
+    CUSTOM_WI_DEPTH_ROLE: (depth, role) => `customDepthWI_${depth}_${role}`,
+    CUSTOM_WI_OUTLET: (key) => `customWIOutlet_${key}`,
+};
+
+export const COMETAPI_IGNORE_PATTERNS = [
+    // Image generation models
+    'dall-e', 'dalle', 'midjourney', 'mj_', 'stable-diffusion', 'sd-',
+    'flux-', 'playground-v', 'ideogram', 'recraft-', 'black-forest-labs',
+    '/recraft-v3', 'recraftv3', 'stability-ai/', 'sdxl',
+    // Audio generation models
+    'suno_', 'tts', 'whisper',
+    // Video generation models
+    'runway', 'luma_', 'luma-', 'veo', 'kling_', 'minimax_video', 'hunyuan-t1',
+    // Utility models
+    'embedding', 'search-gpts', 'files_retrieve', 'moderation',
+];
+
+/**
+ * @readonly
+ * @enum {string}
+ */
+export const MEDIA_SOURCE = {
+    API: 'api',
+    UPLOAD: 'upload',
+    GENERATED: 'generated',
+    CAPTIONED: 'captioned',
+};
+
+/**
+ * @readonly
+ * @enum {string}
+ */
+export const MEDIA_DISPLAY = {
+    LIST: 'list',
+    GALLERY: 'gallery',
+};
+
+/**
+ * @readonly
+ * @enum {string}
+ */
+export const IMAGE_OVERSWIPE = {
+    GENERATE: 'generate',
+    ROLLOVER: 'rollover',
+};
+
+/**
+ * @readonly
+ */
+export const MEDIA_TYPE = {
+    getFromMime: (/** @type {string} */ mimeType) => {
+        if (mimeType.startsWith('image/')) {
+            return MEDIA_TYPE.IMAGE;
+        }
+        if (mimeType.startsWith('video/')) {
+            return MEDIA_TYPE.VIDEO;
+        }
+        if (mimeType.startsWith('audio/')) {
+            return MEDIA_TYPE.AUDIO;
+        }
+        return null;
+    },
+    IMAGE: 'image',
+    VIDEO: 'video',
+    AUDIO: 'audio',
+};
+
+/**
+ * Bitwise flag-style media request types.
+ * @readonly
+ * @enum {number}
+ */
+export const MEDIA_REQUEST_TYPE = {
+    IMAGE: 0b001,
+    VIDEO: 0b010,
+    AUDIO: 0b100,
+};
+
+/**
+ * Scroll behavior options when appending media to messages.
+ * @readonly
+ * @enum {string}
+ */
+export const SCROLL_BEHAVIOR = {
+    NONE: 'none',
+    KEEP: 'keep',
+    ADJUST: 'adjust',
+};
+
+/**
+ * @readonly
+ * @enum {string}
+ */
+export const OVERSWIPE_BEHAVIOR = {
+    /** The overswipe right chevron will not be displayed. */
+    NONE: 'none',
+    /** An overswipe will loop to the first swipe. */
+    LOOP: 'loop',
+    /** Pristine greetings will loop, and chevrons will always be shown: https://github.com/SillyTavern/SillyTavern/pull/4712#issuecomment-3557893373 */
+    PRISTINE_GREETING: 'pristine_greeting',
+    /** If chat tree is enabled, then an overswipe will allow the user to edit the message before starting a new generation. */
+    EDIT_GENERATE: 'edit_generate',
+    /** This is the default behavior on character messages. */
+    REGENERATE: 'regenerate',
+};
+
+/**
+ * @readonly
+ * @enum {string}
+ */
+export const SWIPE_DIRECTION = {
+    LEFT: 'left',
+    RIGHT: 'right',
+};
+
+/**
+ * @readonly
+ * @enum {string}
+ */
+export const SWIPE_SOURCE = {
+    DELETE: 'delete',
+    KEYBOARD: 'keyboard',
+    BACK: 'back',
+    AUTO_SWIPE: 'auto_swipe',
+};
+
+/**
+ * @readonly
+ * @enum {string}
+ */
+export const SWIPE_STATE = {
+    NONE: 'none',
+    SWIPING: 'swiping',
+    EDITING: 'editing',
+};