Reorganize modules into layered directories

This commit is contained in:
Youzini-afk
2026-04-08 01:17:47 +08:00
parent 59942541ea
commit feec17f3e3
90 changed files with 284 additions and 219 deletions

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const DEFAULT_UNAVAILABLE_REASON = "宿主能力不可用";
export const HOST_ADAPTER_VERSION = "phase1-bridge-skeleton";
export function normalizeVersionHints(versionHints = {}) {
const normalized = {};
for (const [key, rawValue] of Object.entries(versionHints || {})) {
if (rawValue == null || rawValue === "") continue;
if (Array.isArray(rawValue)) {
const values = rawValue
.map((value) => String(value ?? "").trim())
.filter(Boolean);
if (values.length > 0) {
normalized[key] = values;
}
continue;
}
if (typeof rawValue === "object") {
const nested = normalizeVersionHints(rawValue);
if (Object.keys(nested).length > 0) {
normalized[key] = nested;
}
continue;
}
normalized[key] = String(rawValue).trim();
}
return Object.freeze(normalized);
}
export function mergeVersionHints(...sources) {
const merged = {};
for (const source of sources) {
if (!source || typeof source !== "object") continue;
for (const [key, value] of Object.entries(source)) {
if (value == null || value === "") continue;
merged[key] = Array.isArray(value) ? [...value] : value;
}
}
return normalizeVersionHints(merged);
}
export function buildCapabilityStatus({
available = false,
mode = "",
fallbackReason = "",
versionHints = {},
} = {}) {
const normalizedAvailable = Boolean(available);
const normalizedMode =
String(mode || "").trim() ||
(normalizedAvailable ? "available" : "unavailable");
return Object.freeze({
available: normalizedAvailable,
mode: normalizedMode,
fallbackReason: normalizedAvailable
? String(fallbackReason || "").trim()
: String(fallbackReason || DEFAULT_UNAVAILABLE_REASON).trim(),
versionHints: normalizeVersionHints(versionHints),
});
}
export function buildCapabilityCollectionSnapshot(
capabilities = {},
options = {},
) {
const normalizedCapabilities = {};
const capabilityNames = Object.keys(capabilities || {});
let availableCount = 0;
for (const name of capabilityNames) {
const capability = buildCapabilityStatus(capabilities[name]);
normalizedCapabilities[name] = capability;
if (capability.available) {
availableCount += 1;
}
}
const totalCount = capabilityNames.length;
const available = availableCount > 0;
const mode =
totalCount === 0
? "empty"
: availableCount === totalCount
? "full"
: available
? "partial"
: "fallback";
return Object.freeze({
available,
mode,
fallbackReason:
available || totalCount === 0 ? "" : "未检测到可用宿主桥接能力",
versionHints: mergeVersionHints(
{
adapter: HOST_ADAPTER_VERSION,
availableCount: String(availableCount),
totalCount: String(totalCount),
},
options.versionHints,
),
...normalizedCapabilities,
});
}

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host/adapter/context.js Normal file
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import { getContext as extensionGetContext } from "../../../../extensions.js";
import { buildCapabilityStatus, mergeVersionHints } from "./capabilities.js";
import { debugDebug } from "../../runtime/debug-logging.js";
function resolveContextGetter(providedGetter = null) {
if (typeof providedGetter === "function") {
return providedGetter;
}
if (typeof extensionGetContext === "function") {
return extensionGetContext;
}
const globalGetter = globalThis?.SillyTavern?.getContext;
return typeof globalGetter === "function" ? globalGetter : null;
}
function detectContextMode(getContext) {
if (typeof getContext !== "function") {
return "unavailable";
}
if (getContext === extensionGetContext) {
return "extensions-api";
}
return "global-api";
}
export function createContextHostFacade(options = {}) {
const getContext = resolveContextGetter(options.getContext);
const available = typeof getContext === "function";
const mode = detectContextMode(getContext);
return Object.freeze({
available,
mode,
fallbackReason: available ? "" : "未检测到 getContext 宿主接口",
versionHints: mergeVersionHints(
{
getter: "getContext",
source: mode,
sillyTavernGlobal:
globalThis?.SillyTavern && typeof globalThis.SillyTavern === "object"
? "available"
: "missing",
},
options.versionHints,
),
getContext: (...args) => {
if (!available) {
return null;
}
try {
return getContext(...args);
} catch (error) {
debugDebug(
"[ST-BME] host-adapter/context getContext 调用失败",
error,
);
return null;
}
},
readContextSnapshot: (...args) => {
if (!available) {
return null;
}
try {
const context = getContext(...args);
return context && typeof context === "object" ? context : null;
} catch (error) {
debugDebug("[ST-BME] host-adapter/context 读取上下文失败", error);
return null;
}
},
});
}
export function inspectContextHostCapability(options = {}) {
const facade = createContextHostFacade(options);
return buildCapabilityStatus(facade);
}
export function readHostContext(options = {}) {
return createContextHostFacade(options).readContextSnapshot();
}

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host/adapter/index.js Normal file
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import {
HOST_ADAPTER_VERSION,
buildCapabilityCollectionSnapshot,
buildCapabilityStatus,
mergeVersionHints,
} from "./capabilities.js";
import { createContextHostFacade } from "./context.js";
import { createInjectionHostFacade } from "./injection.js";
import { createRegexHostFacade } from "./regex.js";
import { createWorldbookHostFacade } from "./worldbook.js";
export const HOST_ADAPTER_STATE_SEMANTICS =
"manual-refresh-diagnostic-snapshot";
export const HOST_ADAPTER_REFRESH_MODE = "manual-rebuild";
let currentHostAdapter = null;
let currentHostAdapterOptions = {};
let currentHostAdapterRevision = 0;
function createSnapshotMetadata(options = {}) {
const snapshotRevision = Number.isSafeInteger(options.snapshotRevision)
? options.snapshotRevision
: 0;
const snapshotCreatedAt =
typeof options.snapshotCreatedAt === "string" && options.snapshotCreatedAt
? options.snapshotCreatedAt
: new Date().toISOString();
return Object.freeze({
stateSemantics: String(
options.stateSemantics || HOST_ADAPTER_STATE_SEMANTICS,
),
refreshMode: String(options.refreshMode || HOST_ADAPTER_REFRESH_MODE),
snapshotRevision,
snapshotCreatedAt,
});
}
function buildManagedCreateOptions(options = {}) {
currentHostAdapterRevision += 1;
return {
...options,
stateSemantics: HOST_ADAPTER_STATE_SEMANTICS,
refreshMode: HOST_ADAPTER_REFRESH_MODE,
snapshotRevision: currentHostAdapterRevision,
snapshotCreatedAt: new Date().toISOString(),
};
}
function buildHostCapabilitySnapshot(
adapter,
options = {},
snapshotMetadata = createSnapshotMetadata(options),
) {
const snapshot = buildCapabilityCollectionSnapshot(
{
context: buildCapabilityStatus(adapter.context),
worldbook: buildCapabilityStatus(adapter.worldbook),
regex: buildCapabilityStatus(adapter.regex),
injection: buildCapabilityStatus(adapter.injection),
},
{
versionHints: mergeVersionHints(
{
adapter: HOST_ADAPTER_VERSION,
scope: "st-bme-host-adapter",
stateSemantics: snapshotMetadata.stateSemantics,
refreshMode: snapshotMetadata.refreshMode,
snapshotRevision: String(snapshotMetadata.snapshotRevision),
snapshotCreatedAt: snapshotMetadata.snapshotCreatedAt,
},
options.versionHints,
),
},
);
return Object.freeze({
...snapshot,
stateSemantics: snapshotMetadata.stateSemantics,
refreshMode: snapshotMetadata.refreshMode,
snapshotRevision: snapshotMetadata.snapshotRevision,
snapshotCreatedAt: snapshotMetadata.snapshotCreatedAt,
});
}
export function createHostAdapter(options = {}) {
const context = createContextHostFacade(options);
const sharedOptions = {
...options,
contextHost: context,
};
const worldbook = createWorldbookHostFacade(sharedOptions);
const regex = createRegexHostFacade(sharedOptions);
const injection = createInjectionHostFacade(sharedOptions);
const adapter = {
context,
worldbook,
regex,
injection,
};
const snapshotMetadata = createSnapshotMetadata(sharedOptions);
const snapshot = buildHostCapabilitySnapshot(
adapter,
sharedOptions,
snapshotMetadata,
);
return Object.freeze({
...snapshot,
...adapter,
getSnapshot() {
return snapshot;
},
readStateMetadata() {
return snapshotMetadata;
},
refresh(options = {}) {
return refreshHostAdapter(options);
},
});
}
export function initializeHostAdapter(options = {}) {
currentHostAdapterOptions = { ...options };
currentHostAdapter = createHostAdapter(
buildManagedCreateOptions(currentHostAdapterOptions),
);
return currentHostAdapter;
}
export function refreshHostAdapter(options = {}) {
currentHostAdapterOptions = {
...currentHostAdapterOptions,
...options,
};
currentHostAdapter = createHostAdapter(
buildManagedCreateOptions(currentHostAdapterOptions),
);
return currentHostAdapter;
}
export function getHostAdapter() {
if (!currentHostAdapter) {
currentHostAdapter = createHostAdapter(
buildManagedCreateOptions(currentHostAdapterOptions),
);
}
return currentHostAdapter;
}
export function getHostCapabilitySnapshot() {
return getHostAdapter().getSnapshot();
}
export function refreshHostCapabilitySnapshot(options = {}) {
return refreshHostAdapter(options).getSnapshot();
}
export function readHostCapability(name, options = {}) {
const normalizedName = String(name || "").trim();
if (!normalizedName) {
return null;
}
const refreshOptions =
options && typeof options === "object" ? { ...options } : {};
const shouldRefresh = refreshOptions.refresh === true;
delete refreshOptions.refresh;
const snapshot = shouldRefresh
? refreshHostCapabilitySnapshot(refreshOptions)
: getHostCapabilitySnapshot();
return snapshot?.[normalizedName] || null;
}

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host/adapter/injection.js Normal file
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import { buildCapabilityStatus, mergeVersionHints } from "./capabilities.js";
import { createContextHostFacade } from "./context.js";
import { debugDebug } from "../../runtime/debug-logging.js";
function resolvePromptSetter(providedSetter = null, contextHost = null) {
if (typeof providedSetter === "function") {
return {
setter: providedSetter,
source: "provided",
};
}
const context = contextHost?.readContextSnapshot?.();
if (typeof context?.setExtensionPrompt === "function") {
return {
setter: context.setExtensionPrompt.bind(context),
source: "context",
};
}
return {
setter: null,
source: contextHost?.available ? "context-missing-setter" : "unavailable",
};
}
function detectInjectionMode(setterRecord, contextHost) {
if (typeof setterRecord?.setter === "function") {
return setterRecord.source === "provided"
? "provided-setter"
: "context-extension-prompt";
}
if (contextHost?.available) {
return "context-without-extension-prompt";
}
return "unavailable";
}
export function createInjectionHostFacade(options = {}) {
const contextHost = options.contextHost || createContextHostFacade(options);
const setterRecord = resolvePromptSetter(
options.setExtensionPrompt,
contextHost,
);
const available = typeof setterRecord.setter === "function";
const mode = detectInjectionMode(setterRecord, contextHost);
return Object.freeze({
available,
mode,
fallbackReason: available
? ""
: contextHost?.available
? "当前上下文未暴露 setExtensionPrompt 接口"
: "未检测到可用注入宿主接口",
versionHints: mergeVersionHints(
{
setter: "setExtensionPrompt",
source: setterRecord.source,
contextMode: contextHost?.mode || "unknown",
},
options.versionHints,
),
setExtensionPrompt: (...args) => {
const liveSetterRecord = resolvePromptSetter(
options.setExtensionPrompt,
contextHost,
);
if (typeof liveSetterRecord.setter !== "function") {
return false;
}
try {
liveSetterRecord.setter(...args);
return true;
} catch (error) {
debugDebug(
"[ST-BME] host-adapter/injection setExtensionPrompt 调用失败",
error,
);
return false;
}
},
readInjectionSupport: () => {
const liveSetterRecord = resolvePromptSetter(
options.setExtensionPrompt,
contextHost,
);
return Object.freeze({
available: typeof liveSetterRecord.setter === "function",
mode: detectInjectionMode(liveSetterRecord, contextHost),
source: liveSetterRecord.source,
});
},
});
}
export function inspectInjectionHostCapability(options = {}) {
const facade = createInjectionHostFacade(options);
return buildCapabilityStatus(facade);
}

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host/adapter/regex.js Normal file
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import { buildCapabilityStatus, mergeVersionHints } from "./capabilities.js";
import { createContextHostFacade } from "./context.js";
import { debugDebug } from "../../runtime/debug-logging.js";
const REGEX_API_NAMES = [
"getTavernRegexes",
"isCharacterTavernRegexesEnabled",
"formatAsTavernRegexedString",
];
function isObjectLike(value) {
return (
value != null && (typeof value === "object" || typeof value === "function")
);
}
function bindHostFunction(container, name) {
const fn = container?.[name];
return typeof fn === "function" ? fn.bind(container) : null;
}
function buildApiMap(container = null) {
return REGEX_API_NAMES.reduce((result, name) => {
result[name] = bindHostFunction(container, name);
return result;
}, {});
}
function countResolvedApis(apiMap = {}) {
return Object.values(apiMap).filter((api) => typeof api === "function")
.length;
}
function resolveProviderCandidate(candidate, options = {}) {
if (!candidate) {
return null;
}
if (typeof candidate === "function") {
try {
const resolved = candidate(options);
return isObjectLike(resolved) ? resolved : null;
} catch (error) {
debugDebug("[ST-BME] host-adapter/regex provider 解析失败", error);
return null;
}
}
return isObjectLike(candidate) ? candidate : null;
}
function buildSourceRecord({
label = "unknown",
sourceKind = "unknown",
container = null,
fallback = false,
} = {}) {
const apiMap = buildApiMap(container);
return Object.freeze({
label,
sourceKind,
fallback,
apiMap,
apiCount: countResolvedApis(apiMap),
});
}
function collectExplicitRegexSourceRecords(options = {}) {
const records = [];
const providerCandidates = [
["regexProvider", options.regexProvider],
["providers.regex", options.providers?.regex],
["provider.regex", options.provider?.regex],
["host.regex", options.host?.regex],
["host.providers.regex", options.host?.providers?.regex],
];
for (const [label, candidate] of providerCandidates) {
const container = resolveProviderCandidate(candidate, options);
if (!container) continue;
records.push(
buildSourceRecord({
label,
sourceKind: "provider",
container,
}),
);
}
const apiCandidates = [
["regexApis", options.regexApis],
["apis", options.apis],
["host.apis", options.host?.apis],
["host", options.host],
];
for (const [label, candidate] of apiCandidates) {
if (!isObjectLike(candidate)) continue;
records.push(
buildSourceRecord({
label,
sourceKind: "api-map",
container: candidate,
}),
);
}
return records;
}
function collectContextRegexSourceRecords(contextHost, options = {}) {
const context = contextHost?.readContextSnapshot?.();
if (!isObjectLike(context)) {
return [];
}
const records = [];
const contextCandidates = [
["context.regex", context.regex],
["context.tavernRegex", context.tavernRegex],
["context.host.regex", context.host?.regex],
["context.hostAdapter.regex", context.hostAdapter?.regex],
["context.providers.regex", context.providers?.regex],
["context.extensions.regex", context.extensions?.regex],
["context.TavernHelper", context.TavernHelper],
["context.sillyTavern.TavernHelper", context.sillyTavern?.TavernHelper],
["context", context],
];
for (const [label, candidate] of contextCandidates) {
const container = resolveProviderCandidate(candidate, {
...options,
context,
contextHost,
});
if (!container) continue;
records.push(
buildSourceRecord({
label,
sourceKind: "context",
container,
}),
);
}
return records;
}
function collectGlobalFallbackRecords() {
const records = [];
const fallbackCandidates = [
["globalThis.TavernHelper", globalThis?.TavernHelper],
[
"globalThis.SillyTavern.TavernHelper",
globalThis?.SillyTavern?.TavernHelper,
],
["globalThis", globalThis],
];
for (const [label, candidate] of fallbackCandidates) {
if (!isObjectLike(candidate)) continue;
records.push(
buildSourceRecord({
label,
sourceKind: "global-fallback",
container: candidate,
fallback: true,
}),
);
}
return records;
}
function resolveRegexSource(options = {}, contextHost = null) {
const records = [
...collectExplicitRegexSourceRecords(options),
...collectContextRegexSourceRecords(contextHost, options),
...collectGlobalFallbackRecords(),
];
return (
records.find(
(record) =>
typeof record.apiMap.getTavernRegexes === "function" ||
typeof record.apiMap.formatAsTavernRegexedString === "function",
) ||
buildSourceRecord({
label: "none",
sourceKind: "unavailable",
container: null,
})
);
}
function detectRegexMode(apiMap = {}) {
const hasGetter = typeof apiMap.getTavernRegexes === "function";
const hasFormatter =
typeof apiMap.formatAsTavernRegexedString === "function";
if (!hasGetter && !hasFormatter) {
return "unavailable";
}
if (hasGetter && hasFormatter) {
return typeof apiMap.isCharacterTavernRegexesEnabled === "function"
? "full"
: "partial";
}
return hasFormatter ? "formatter-only" : "getter-only";
}
function buildFallbackReason(sourceRecord, available, mode) {
if (!available) {
return "未检测到 Tavern Regex 宿主接口";
}
if (sourceRecord?.fallback && mode === "partial") {
return `当前通过 ${sourceRecord.label} fallback 提供部分 Tavern Regex 能力`;
}
if (sourceRecord?.fallback) {
return `当前通过 ${sourceRecord.label} fallback 提供 Tavern Regex 能力`;
}
if (mode === "partial") {
return `Tavern Regex 桥接仅发现部分接口,来源: ${sourceRecord?.label || "unknown"}`;
}
if (mode === "formatter-only") {
return `Tavern Regex 桥接仅发现 formatter 接口,来源: ${sourceRecord?.label || "unknown"}`;
}
if (mode === "getter-only") {
return `Tavern Regex 桥接仅发现规则读取接口,来源: ${sourceRecord?.label || "unknown"}`;
}
return "";
}
export function createRegexHostFacade(options = {}) {
const contextHost = options.contextHost || createContextHostFacade(options);
const sourceRecord = resolveRegexSource(options, contextHost);
const mode = detectRegexMode(sourceRecord.apiMap);
const available = mode !== "unavailable";
return Object.freeze({
available,
mode,
fallbackReason: buildFallbackReason(sourceRecord, available, mode),
versionHints: mergeVersionHints(
{
apis: REGEX_API_NAMES.filter(
(name) => typeof sourceRecord.apiMap[name] === "function",
),
apiCount: String(sourceRecord.apiCount),
supportsCharacterToggle:
typeof sourceRecord.apiMap.isCharacterTavernRegexesEnabled ===
"function"
? "yes"
: "no",
source: sourceRecord.sourceKind,
sourceLabel: sourceRecord.label,
fallback: sourceRecord.fallback ? "yes" : "no",
contextMode: contextHost?.mode || "unknown",
},
options.versionHints,
),
getTavernRegexes: sourceRecord.apiMap.getTavernRegexes,
isCharacterTavernRegexesEnabled:
sourceRecord.apiMap.isCharacterTavernRegexesEnabled,
formatAsTavernRegexedString:
sourceRecord.apiMap.formatAsTavernRegexedString,
getApi(name) {
return sourceRecord.apiMap[String(name || "")] || null;
},
readApiAvailability() {
return Object.freeze(
REGEX_API_NAMES.reduce((result, name) => {
result[name] = typeof sourceRecord.apiMap[name] === "function";
return result;
}, {}),
);
},
readCapabilitySupport() {
return Object.freeze({
available,
mode,
source: sourceRecord.sourceKind,
sourceLabel: sourceRecord.label,
fallback: sourceRecord.fallback,
formatterAvailable:
typeof sourceRecord.apiMap.formatAsTavernRegexedString === "function",
});
},
});
}
export function inspectRegexHostCapability(options = {}) {
const facade = createRegexHostFacade(options);
return buildCapabilityStatus(facade);
}

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host/adapter/worldbook.js Normal file
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import { buildCapabilityStatus, mergeVersionHints } from "./capabilities.js";
import { createContextHostFacade } from "./context.js";
import { debugDebug } from "../../runtime/debug-logging.js";
const WORLDBOOK_API_NAMES = [
"getWorldbook",
"getLorebookEntries",
"getCharWorldbookNames",
];
function isObjectLike(value) {
return (
value != null && (typeof value === "object" || typeof value === "function")
);
}
function bindHostFunction(container, name) {
const fn = container?.[name];
return typeof fn === "function" ? fn.bind(container) : null;
}
function buildApiMap(container = null) {
return WORLDBOOK_API_NAMES.reduce((result, name) => {
result[name] = bindHostFunction(container, name);
return result;
}, {});
}
function countResolvedApis(apiMap = {}) {
return Object.values(apiMap).filter((api) => typeof api === "function")
.length;
}
function resolveProviderCandidate(candidate, options = {}) {
if (!candidate) {
return null;
}
if (typeof candidate === "function") {
try {
const resolved = candidate(options);
return isObjectLike(resolved) ? resolved : null;
} catch (error) {
debugDebug("[ST-BME] host-adapter/worldbook provider 解析失败", error);
return null;
}
}
return isObjectLike(candidate) ? candidate : null;
}
function buildSourceRecord({
label = "unknown",
sourceKind = "unknown",
container = null,
fallback = false,
} = {}) {
const apiMap = buildApiMap(container);
return Object.freeze({
label,
sourceKind,
fallback,
apiMap,
apiCount: countResolvedApis(apiMap),
});
}
function collectExplicitWorldbookSourceRecords(options = {}) {
const records = [];
const providerCandidates = [
["worldbookProvider", options.worldbookProvider],
["providers.worldbook", options.providers?.worldbook],
["provider.worldbook", options.provider?.worldbook],
["host.worldbook", options.host?.worldbook],
["host.providers.worldbook", options.host?.providers?.worldbook],
];
for (const [label, candidate] of providerCandidates) {
const container = resolveProviderCandidate(candidate, options);
if (!container) continue;
records.push(
buildSourceRecord({
label,
sourceKind: "provider",
container,
}),
);
}
const apiCandidates = [
["worldbookApis", options.worldbookApis],
["apis", options.apis],
["host.apis", options.host?.apis],
["host", options.host],
];
for (const [label, candidate] of apiCandidates) {
if (!isObjectLike(candidate)) continue;
records.push(
buildSourceRecord({
label,
sourceKind: "api-map",
container: candidate,
}),
);
}
return records;
}
function collectContextWorldbookSourceRecords(contextHost, options = {}) {
const context = contextHost?.readContextSnapshot?.();
if (!isObjectLike(context)) {
return [];
}
const records = [];
const contextCandidates = [
["context.worldbook", context.worldbook],
["context.worldInfo", context.worldInfo],
["context.host.worldbook", context.host?.worldbook],
["context.hostAdapter.worldbook", context.hostAdapter?.worldbook],
["context.providers.worldbook", context.providers?.worldbook],
["context.extensions.worldbook", context.extensions?.worldbook],
["context.TavernHelper", context.TavernHelper],
["context.sillyTavern.TavernHelper", context.sillyTavern?.TavernHelper],
["context", context],
];
for (const [label, candidate] of contextCandidates) {
const container = resolveProviderCandidate(candidate, {
...options,
context,
contextHost,
});
if (!container) continue;
records.push(
buildSourceRecord({
label,
sourceKind: "context",
container,
}),
);
}
return records;
}
function collectGlobalFallbackRecords() {
const records = [];
const fallbackCandidates = [
["globalThis.TavernHelper", globalThis?.TavernHelper],
[
"globalThis.SillyTavern.TavernHelper",
globalThis?.SillyTavern?.TavernHelper,
],
["globalThis", globalThis],
];
for (const [label, candidate] of fallbackCandidates) {
if (!isObjectLike(candidate)) continue;
records.push(
buildSourceRecord({
label,
sourceKind: "global-fallback",
container: candidate,
fallback: true,
}),
);
}
return records;
}
function resolveWorldbookSource(options = {}, contextHost = null) {
const records = [
...collectExplicitWorldbookSourceRecords(options),
...collectContextWorldbookSourceRecords(contextHost, options),
...collectGlobalFallbackRecords(),
];
return (
records.find((record) => record.apiCount > 0) ||
buildSourceRecord({
label: "none",
sourceKind: "unavailable",
container: null,
})
);
}
function detectWorldbookMode(apiMap = {}) {
const availableCount = countResolvedApis(apiMap);
if (availableCount === 0) return "unavailable";
if (availableCount === WORLDBOOK_API_NAMES.length) return "full";
return "partial";
}
function buildFallbackReason(sourceRecord, available, mode) {
if (!available) {
return "未检测到世界书宿主接口";
}
if (sourceRecord?.fallback && mode === "partial") {
return `当前通过 ${sourceRecord.label} fallback 提供部分世界书能力`;
}
if (sourceRecord?.fallback) {
return `当前通过 ${sourceRecord.label} fallback 提供世界书能力`;
}
if (mode === "partial") {
return `世界书桥接仅发现部分接口,来源: ${sourceRecord?.label || "unknown"}`;
}
return "";
}
export function createWorldbookHostFacade(options = {}) {
const contextHost = options.contextHost || createContextHostFacade(options);
const sourceRecord = resolveWorldbookSource(options, contextHost);
const mode = detectWorldbookMode(sourceRecord.apiMap);
const available = mode !== "unavailable";
return Object.freeze({
available,
mode,
fallbackReason: buildFallbackReason(sourceRecord, available, mode),
versionHints: mergeVersionHints(
{
apiCount: String(sourceRecord.apiCount),
apis: WORLDBOOK_API_NAMES.filter(
(name) => typeof sourceRecord.apiMap[name] === "function",
),
source: sourceRecord.sourceKind,
sourceLabel: sourceRecord.label,
fallback: sourceRecord.fallback ? "yes" : "no",
contextMode: contextHost?.mode || "unknown",
},
options.versionHints,
),
getWorldbook: sourceRecord.apiMap.getWorldbook,
getLorebookEntries: sourceRecord.apiMap.getLorebookEntries,
getCharWorldbookNames: sourceRecord.apiMap.getCharWorldbookNames,
getApi(name) {
return sourceRecord.apiMap[String(name || "")] || null;
},
readApiAvailability() {
return Object.freeze(
WORLDBOOK_API_NAMES.reduce((result, name) => {
result[name] = typeof sourceRecord.apiMap[name] === "function";
return result;
}, {}),
);
},
readCapabilitySupport() {
return Object.freeze({
available,
mode,
source: sourceRecord.sourceKind,
sourceLabel: sourceRecord.label,
fallback: sourceRecord.fallback,
});
},
});
}
export function inspectWorldbookHostCapability(options = {}) {
const facade = createWorldbookHostFacade(options);
return buildCapabilityStatus(facade);
}

758
host/event-binding.js Normal file
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function getTimerApi(runtime) {
const rawSetTimeout =
typeof runtime?.setTimeout === "function"
? runtime.setTimeout
: globalThis.setTimeout;
const rawClearTimeout =
typeof runtime?.clearTimeout === "function"
? runtime.clearTimeout
: globalThis.clearTimeout;
return {
setTimeout(...args) {
return Reflect.apply(rawSetTimeout, globalThis, args);
},
clearTimeout(...args) {
return Reflect.apply(rawClearTimeout, globalThis, args);
},
};
}
function toSafeFloor(value, fallback = null) {
if (value == null || value === "") return fallback;
const numeric = Number(value);
return Number.isFinite(numeric) ? Math.floor(numeric) : fallback;
}
export function registerBeforeCombinePromptsController(runtime, listener) {
const makeFirst = runtime.getEventMakeFirst();
if (typeof makeFirst === "function") {
return makeFirst(
runtime.eventTypes.GENERATE_BEFORE_COMBINE_PROMPTS,
listener,
);
}
runtime.console.warn("[ST-BME] eventMakeFirst 不可用,回退到普通事件注册");
runtime.eventSource.on(
runtime.eventTypes.GENERATE_BEFORE_COMBINE_PROMPTS,
listener,
);
return null;
}
export function registerGenerationAfterCommandsController(runtime, listener) {
const makeFirst = runtime.getEventMakeFirst();
const eventName = runtime.eventTypes.GENERATION_AFTER_COMMANDS;
if (typeof makeFirst === "function") {
const cleanup = makeFirst(eventName, listener);
return cleanup;
}
runtime.console.warn(
"[ST-BME] eventMakeFirst 不可用GENERATION_AFTER_COMMANDS 回退到普通事件注册",
);
runtime.eventSource.on(eventName, listener);
return null;
}
export function scheduleSendIntentHookRetryController(runtime, delayMs = 400) {
const timers = getTimerApi(runtime);
timers.clearTimeout(runtime.getSendIntentHookRetryTimer());
const timer = timers.setTimeout(() => {
runtime.setSendIntentHookRetryTimer(null);
runtime.installSendIntentHooks();
}, delayMs);
runtime.setSendIntentHookRetryTimer(timer);
}
export function installSendIntentHooksController(runtime) {
for (const cleanup of runtime.consumeSendIntentHookCleanup()) {
try {
cleanup();
} catch (error) {
runtime.console.warn("[ST-BME] 清理发送意图钩子失败:", error);
}
}
const sendButton = runtime.document.getElementById("send_but");
const sendTextarea = runtime.document.getElementById("send_textarea");
if (sendButton) {
const captureSendIntent = () => {
runtime.recordRecallSendIntent(
runtime.getSendTextareaValue(),
"send-button",
);
};
sendButton.addEventListener("click", captureSendIntent, true);
sendButton.addEventListener("pointerup", captureSendIntent, true);
sendButton.addEventListener("touchend", captureSendIntent, true);
runtime.pushSendIntentHookCleanup(() => {
sendButton.removeEventListener("click", captureSendIntent, true);
sendButton.removeEventListener("pointerup", captureSendIntent, true);
sendButton.removeEventListener("touchend", captureSendIntent, true);
});
}
if (sendTextarea) {
const captureEnterIntent = (event) => {
if (
(event.key === "Enter" || event.key === "NumpadEnter") &&
!event.shiftKey
) {
runtime.recordRecallSendIntent(
runtime.getSendTextareaValue(),
"textarea-enter",
);
}
};
sendTextarea.addEventListener("keydown", captureEnterIntent, true);
runtime.pushSendIntentHookCleanup(() => {
sendTextarea.removeEventListener("keydown", captureEnterIntent, true);
});
}
if (!sendButton || !sendTextarea) {
runtime.scheduleSendIntentHookRetry();
}
}
export function registerCoreEventHooksController(runtime) {
const { eventSource, eventTypes, handlers } = runtime;
const registrationState = runtime.getCoreEventBindingState?.() || {};
if (registrationState.registered) {
runtime.console?.warn?.("[ST-BME] 核心事件已注册,跳过重复绑定");
return registrationState;
}
const cleanups = [];
const bind = (eventName, listener) => {
if (!eventName || typeof listener !== "function") return;
eventSource.on(eventName, listener);
if (typeof eventSource.off === "function") {
cleanups.push(() => eventSource.off(eventName, listener));
} else if (typeof eventSource.removeListener === "function") {
cleanups.push(() => eventSource.removeListener(eventName, listener));
}
};
bind(eventTypes.CHAT_CHANGED, handlers.onChatChanged);
if (eventTypes.CHAT_LOADED) {
bind(eventTypes.CHAT_LOADED, handlers.onChatLoaded);
}
if (eventTypes.MESSAGE_SENT) {
bind(eventTypes.MESSAGE_SENT, handlers.onMessageSent);
}
if (eventTypes.GENERATION_STARTED) {
bind(eventTypes.GENERATION_STARTED, handlers.onGenerationStarted);
}
if (eventTypes.GENERATION_ENDED) {
bind(eventTypes.GENERATION_ENDED, handlers.onGenerationEnded);
}
const beforeCombineCleanup = runtime.registerBeforeCombinePrompts(
handlers.onBeforeCombinePrompts,
);
if (typeof beforeCombineCleanup === "function") {
cleanups.push(beforeCombineCleanup);
}
const afterCommandsCleanup = runtime.registerGenerationAfterCommands(
handlers.onGenerationAfterCommands,
);
if (typeof afterCommandsCleanup === "function") {
cleanups.push(afterCommandsCleanup);
}
bind(eventTypes.MESSAGE_RECEIVED, handlers.onMessageReceived);
bind(eventTypes.MESSAGE_DELETED, handlers.onMessageDeleted);
bind(eventTypes.MESSAGE_EDITED, handlers.onMessageEdited);
bind(eventTypes.MESSAGE_SWIPED, handlers.onMessageSwiped);
if (eventTypes.MESSAGE_UPDATED) {
bind(eventTypes.MESSAGE_UPDATED, handlers.onMessageEdited);
}
if (eventTypes.USER_MESSAGE_RENDERED) {
bind(eventTypes.USER_MESSAGE_RENDERED, handlers.onUserMessageRendered);
}
if (eventTypes.CHARACTER_MESSAGE_RENDERED) {
bind(
eventTypes.CHARACTER_MESSAGE_RENDERED,
handlers.onCharacterMessageRendered,
);
}
const nextState = {
registered: true,
cleanups,
registeredAt: Date.now(),
};
runtime.setCoreEventBindingState?.(nextState);
return nextState;
}
export function onChatChangedController(runtime) {
const timers = getTimerApi(runtime);
runtime.clearPendingHistoryMutationChecks();
timers.clearTimeout(runtime.getPendingHistoryRecoveryTimer());
runtime.setPendingHistoryRecoveryTimer(null);
runtime.setPendingHistoryRecoveryTrigger("");
runtime.clearPendingAutoExtraction?.();
runtime.clearPendingGraphLoadRetry();
runtime.setSkipBeforeCombineRecallUntil(0);
runtime.setLastPreGenerationRecallKey("");
runtime.setLastPreGenerationRecallAt(0);
runtime.clearGenerationRecallTransactionsForChat("", { clearAll: true });
runtime.abortAllRunningStages();
runtime.dismissAllStageNotices();
runtime.syncGraphLoadFromLiveContext({
source: "chat-changed",
force: true,
});
runtime.clearCurrentGenerationTrivialSkip?.("chat-changed");
runtime.clearInjectionState();
runtime.clearRecallInputTracking();
runtime.installSendIntentHooks();
runtime.refreshPersistedRecallMessageUi?.();
}
export function onChatLoadedController(runtime) {
runtime.syncGraphLoadFromLiveContext({
source: "chat-loaded",
});
runtime.refreshPersistedRecallMessageUi?.();
}
export function onMessageSentController(runtime, messageId) {
const context = runtime.getContext();
const chat = context?.chat;
const normalizedMessageId =
messageId === null || messageId === undefined || messageId === ""
? null
: Number(messageId);
let resolvedMessageId = Number.isFinite(normalizedMessageId)
? normalizedMessageId
: null;
let message =
Array.isArray(chat) && Number.isFinite(resolvedMessageId)
? chat[resolvedMessageId]
: null;
if (!message?.is_user && Array.isArray(chat)) {
for (let index = chat.length - 1; index >= 0; index--) {
if (!chat[index]?.is_user) continue;
resolvedMessageId = index;
message = chat[index];
break;
}
}
if (!message?.is_user) return;
if (runtime.isTrivialUserInput?.(message.mes || "")?.trivial) {
runtime.refreshPersistedRecallMessageUi?.();
return;
}
runtime.recordRecallSentUserMessage(
resolvedMessageId,
message.mes || "",
);
// GENERATION_AFTER_COMMANDS 在 sendMessageAsUser 之前触发,此时新用户消息
// 尚未进入 chatrecall 记录会被写到上一条 user 上。这里用户消息刚入场,
// transaction 仍在桥接窗口内,立即把记录重新绑定到正确的楼层。
runtime.rebindRecallRecordToNewUserMessage?.(resolvedMessageId);
runtime.refreshPersistedRecallMessageUi?.();
}
export function onUserMessageRenderedController(runtime, messageId = null) {
// MESSAGE_SENT 早于实际 DOM 挂载;这里等宿主确认 user 楼层渲染完成后,
// 再补一次 Recall Card 刷新,避免“当前楼层没卡片,下一楼才补出来”。
runtime.refreshPersistedRecallMessageUi?.(40);
return {
messageId: Number.isFinite(Number(messageId)) ? Number(messageId) : null,
refreshed: true,
source: "user-message-rendered",
};
}
export function onCharacterMessageRenderedController(
runtime,
messageId = null,
type = "",
) {
runtime.refreshPersistedRecallMessageUi?.(80);
return {
messageId: Number.isFinite(Number(messageId)) ? Number(messageId) : null,
type: String(type || ""),
refreshed: true,
source: "character-message-rendered",
};
}
export function onGenerationStartedController(
runtime,
type,
params = {},
dryRun = false,
) {
if (dryRun) {
runtime.markDryRunPromptPreview?.();
return null;
}
runtime.clearDryRunPromptPreview?.();
if (params?.automatic_trigger || params?.quiet_prompt) return null;
const generationType = String(type || "normal").trim() || "normal";
if (generationType !== "normal") return null;
const pendingSendIntent = runtime.getPendingRecallSendIntent?.();
const pendingIntentText = runtime.isFreshRecallInputRecord?.(
pendingSendIntent,
)
? pendingSendIntent.text
: "";
const textareaText =
typeof runtime.getSendTextareaValue === "function"
? runtime.getSendTextareaValue()
: "";
const snapshotText =
runtime.normalizeRecallInputText?.(pendingIntentText || textareaText) || "";
const trivialInputResult = runtime.isTrivialUserInput?.(snapshotText);
if (trivialInputResult?.trivial) {
const context = runtime.getContext?.() || {};
runtime.markCurrentGenerationTrivialSkip?.({
reason: trivialInputResult.reason,
chatId: context?.chatId || "",
chatLength: Array.isArray(context?.chat) ? context.chat.length : 0,
});
runtime.clearPendingRecallSendIntent?.();
runtime.clearPendingHostGenerationInputSnapshot?.();
console.info?.(
`[ST-BME] trivial-input skip: reason=${trivialInputResult.reason} len=${trivialInputResult.normalizedText.length} hook=GENERATION_STARTED`,
);
return null;
}
runtime.clearCurrentGenerationTrivialSkip?.("new-non-trivial-generation");
return runtime.freezeHostGenerationInputSnapshot(
snapshotText,
pendingIntentText
? "generation-started-send-intent"
: "generation-started-textarea",
);
}
export function onMessageDeletedController(
runtime,
chatLengthOrMessageId,
meta = null,
) {
runtime.invalidateRecallAfterHistoryMutation("消息已删除");
runtime.scheduleHistoryMutationRecheck(
"message-deleted",
chatLengthOrMessageId,
meta,
);
runtime.refreshPersistedRecallMessageUi?.();
}
export function onMessageEditedController(runtime, messageId, meta = null) {
runtime.invalidateRecallAfterHistoryMutation("消息已编辑");
runtime.scheduleHistoryMutationRecheck("message-edited", messageId, meta);
runtime.refreshPersistedRecallMessageUi?.();
}
export async function onMessageSwipedController(runtime, messageId, meta = null) {
runtime.invalidateRecallAfterHistoryMutation("已切换楼层 swipe");
const parsedFloor = Number(messageId);
const fromFloor = Number.isFinite(parsedFloor) ? parsedFloor : undefined;
let result = {
success: false,
rollbackPerformed: false,
extractionTriggered: false,
requestedFloor: fromFloor ?? null,
effectiveFromFloor: null,
recoveryPath: "reroll-handler-unavailable",
affectedBatchCount: 0,
error: "swipe reroll handler unavailable",
};
if (typeof runtime.onReroll === "function") {
try {
result = await runtime.onReroll({ fromFloor, meta });
} catch (error) {
runtime.console?.error?.("[ST-BME] swipe reroll failed:", error);
result = {
success: false,
rollbackPerformed: false,
extractionTriggered: false,
requestedFloor: fromFloor ?? null,
effectiveFromFloor: null,
recoveryPath: "reroll-threw",
affectedBatchCount: 0,
error: error?.message || String(error) || "swipe reroll failed",
};
}
} else {
runtime.console?.warn?.(
"[ST-BME] MESSAGE_SWIPED missing onReroll; skip generic history recovery fallback.",
{ messageId, meta },
);
}
runtime.refreshPersistedRecallMessageUi?.();
return result;
}
export async function onGenerationAfterCommandsController(
runtime,
type,
params = {},
dryRun = false,
) {
if (dryRun) {
return;
}
const generationType = String(type || "normal").trim() || "normal";
const frozenInputSnapshot =
generationType === "normal"
? runtime.consumeHostGenerationInputSnapshot?.({ preserve: true }) ||
runtime.consumeHostGenerationInputSnapshot?.()
: null;
const context = runtime.getContext();
const chat = context?.chat;
const recallOptions = runtime.buildGenerationAfterCommandsRecallInput(
type,
{
...params,
frozenInputSnapshot,
},
chat,
);
if (!recallOptions) {
return;
}
if (recallOptions?.__trivialSkip) {
return;
}
const recallContext = runtime.createGenerationRecallContext({
hookName: "GENERATION_AFTER_COMMANDS",
generationType,
recallOptions,
});
if (!recallContext.shouldRun && !recallContext.transaction) {
return;
}
const runtimeRecallOptions =
recallContext.recallOptions || recallOptions || {};
const deliveryMode =
runtime.resolveGenerationRecallDeliveryMode?.(
recallContext.hookName,
recallContext.generationType,
runtimeRecallOptions,
) || "immediate";
let recallResult = runtime.getGenerationRecallTransactionResult?.(
recallContext.transaction,
);
if (recallContext.shouldRun) {
runtime.markGenerationRecallTransactionHookState(
recallContext.transaction,
recallContext.hookName,
"running",
);
if (deliveryMode === "deferred") {
runtime.clearLiveRecallInjectionPromptForRewrite?.();
}
recallResult = await runtime.runRecall({
...runtimeRecallOptions,
deliveryMode,
recallKey: recallContext.recallKey,
hookName: recallContext.hookName,
signal: params?.signal,
});
runtime.storeGenerationRecallTransactionResult?.(
recallContext.transaction,
recallResult,
{
hookName: recallContext.hookName,
deliveryMode,
},
);
runtime.markGenerationRecallTransactionHookState(
recallContext.transaction,
recallContext.hookName,
runtime.getGenerationRecallHookStateFromResult(recallResult),
);
}
// immediate 模式下runRecall → applyRecallInjection 内部已通过
// setExtensionPrompt 完成了注入,此处直接返回召回结果。
// 后续 GENERATE_BEFORE_COMBINE_PROMPTS 阶段会通过
// applyFinalRecallInjectionForGeneration 做 deferred rewrite 兜底。
if (deliveryMode === "immediate") {
runtime.ensurePersistedRecallRecordForGeneration?.({
generationType: recallContext.generationType,
recallResult,
transaction: recallContext.transaction,
recallOptions: runtimeRecallOptions,
hookName: recallContext.hookName,
});
// immediate 路径通常会在 runRecall 内完成持久化;如果当时 user 楼层还没稳定,
// 上面的兜底补写会把 fresh recall 绑定回最终 user 楼层。
// 这里再补一次 UI 刷新,避免需要等到消息编辑/历史恢复后才看到 Recall Card。
runtime.refreshPersistedRecallMessageUi?.();
return recallResult;
}
return runtime.applyFinalRecallInjectionForGeneration({
generationType: recallContext.generationType,
freshRecallResult: recallResult,
transaction: recallContext.transaction,
hookName: recallContext.hookName,
});
}
export async function onBeforeCombinePromptsController(
runtime,
promptData = null,
) {
if (runtime.consumeDryRunPromptPreview?.()) {
return {
skipped: true,
reason: "dry-run-preview",
};
}
const frozenInputSnapshot =
runtime.consumeHostGenerationInputSnapshot?.() ||
runtime.getPendingHostGenerationInputSnapshot?.() ||
runtime.createRecallInputRecord?.() ||
{};
const context = runtime.getContext();
const chat = context?.chat;
const normalInput = runtime.buildNormalGenerationRecallInput(chat, {
frozenInputSnapshot,
});
if (normalInput?.__trivialSkip) {
return {
skipped: true,
reason: `trivial:${normalInput.trivialReason || ""}`,
};
}
const recallOptions =
normalInput ||
runtime.buildHistoryGenerationRecallInput(chat) ||
{};
const recallContext = runtime.createGenerationRecallContext({
hookName: "GENERATE_BEFORE_COMBINE_PROMPTS",
generationType: "normal",
recallOptions,
});
if (!recallContext.shouldRun && !recallContext.transaction) {
return;
}
const runtimeRecallOptions =
recallContext.recallOptions || recallOptions || {};
const deliveryMode =
runtime.resolveGenerationRecallDeliveryMode?.(
recallContext.hookName,
recallContext.generationType,
runtimeRecallOptions,
) || "deferred";
let recallResult = runtime.getGenerationRecallTransactionResult?.(
recallContext.transaction,
);
if (recallContext.shouldRun) {
runtime.markGenerationRecallTransactionHookState(
recallContext.transaction,
recallContext.hookName,
"running",
);
if (deliveryMode === "deferred") {
runtime.clearLiveRecallInjectionPromptForRewrite?.();
}
recallResult = await runtime.runRecall({
...runtimeRecallOptions,
deliveryMode,
recallKey: recallContext.recallKey,
hookName: recallContext.hookName,
});
runtime.storeGenerationRecallTransactionResult?.(
recallContext.transaction,
recallResult,
{
hookName: recallContext.hookName,
deliveryMode,
},
);
runtime.markGenerationRecallTransactionHookState(
recallContext.transaction,
recallContext.hookName,
runtime.getGenerationRecallHookStateFromResult(recallResult),
);
}
return runtime.applyFinalRecallInjectionForGeneration({
generationType: recallContext.generationType,
freshRecallResult: recallResult,
transaction: recallContext.transaction,
promptData,
hookName: recallContext.hookName,
});
}
export function onMessageReceivedController(
runtime,
messageId = null,
_type = "",
) {
const enqueueMicrotask =
typeof globalThis.queueMicrotask === "function"
? globalThis.queueMicrotask.bind(globalThis)
: typeof runtime.queueMicrotask === "function"
? (task) => Reflect.apply(runtime.queueMicrotask, globalThis, [task])
: (task) => Promise.resolve().then(task);
const persistenceState = runtime.getGraphPersistenceState?.() || {};
const loadState = persistenceState.loadState || "";
const dbReady =
persistenceState.dbReady ??
(loadState === "loaded" || loadState === "empty-confirmed");
if (
!dbReady ||
loadState === "loading" ||
loadState === "shadow-restored" ||
loadState === "blocked"
) {
runtime.syncGraphLoadFromLiveContext?.({
source: "message-received-reconcile",
});
}
if (runtime.getCurrentGraph()) {
if (
runtime.getGraphPersistenceState()?.pendingPersist &&
runtime.isGraphMetadataWriteAllowed()
) {
runtime.maybeFlushQueuedGraphPersist("message-received-pending-flush");
}
}
const pendingRecallSendIntent = runtime.getPendingRecallSendIntent();
if (
pendingRecallSendIntent?.text &&
!runtime.isFreshRecallInputRecord(pendingRecallSendIntent)
) {
runtime.setPendingRecallSendIntent(runtime.createRecallInputRecord());
}
const context = runtime.getContext();
const chat = context?.chat;
const settings =
typeof runtime.getSettings === "function" ? runtime.getSettings() : {};
const lastProcessedAssistantFloor =
typeof runtime.getLastProcessedAssistantFloor === "function"
? runtime.getLastProcessedAssistantFloor()
: -1;
const receivedMessage =
Array.isArray(chat) && Number.isFinite(Number(messageId))
? chat[Number(messageId)]
: null;
const lastMessage =
Array.isArray(chat) && chat.length > 0 ? chat[chat.length - 1] : null;
const targetMessage = runtime.isAssistantChatMessage(receivedMessage)
? receivedMessage
: lastMessage;
const targetMessageIndex = runtime.isAssistantChatMessage(receivedMessage)
? Number(messageId)
: runtime.isAssistantChatMessage(lastMessage)
? chat.length - 1
: null;
if (runtime.isAssistantChatMessage(targetMessage)) {
if (runtime.consumeCurrentGenerationTrivialSkip?.(targetMessageIndex)) {
runtime.console?.info?.(
"[ST-BME] trivial-input skip: extraction bypassed",
{ messageId: targetMessageIndex },
);
runtime.refreshPersistedRecallMessageUi?.();
return;
}
const autoExtractionPlan =
typeof runtime.resolveAutoExtractionPlan === "function"
? runtime.resolveAutoExtractionPlan({
chat,
settings,
lastProcessedAssistantFloor,
})
: null;
if (!autoExtractionPlan?.canRun) {
runtime.console?.debug?.(
"[ST-BME] assistant message received, auto extraction not runnable yet",
{
messageId: Number.isFinite(Number(targetMessageIndex))
? Number(targetMessageIndex)
: null,
reason: String(autoExtractionPlan?.reason || "not-runnable"),
strategy: String(autoExtractionPlan?.strategy || "normal"),
},
);
runtime.refreshPersistedRecallMessageUi?.();
return;
}
runtime.console?.debug?.(
"[ST-BME] assistant message received, queueing auto extraction",
{
messageId: Number.isFinite(Number(targetMessageIndex))
? Number(targetMessageIndex)
: null,
chatLength: Array.isArray(chat) ? chat.length : 0,
loadState,
dbReady,
},
);
if (
runtime.getIsHostGenerationRunning?.() === true &&
typeof runtime.deferAutoExtraction === "function"
) {
runtime.console?.debug?.(
"[ST-BME] assistant message received during host generation, deferring auto extraction",
{
messageId: Number.isFinite(Number(targetMessageIndex))
? Number(targetMessageIndex)
: null,
targetEndFloor: toSafeFloor(autoExtractionPlan.plannedBatchEndFloor, null),
},
);
runtime.deferAutoExtraction("generation-running", {
messageId: targetMessageIndex,
targetEndFloor: autoExtractionPlan.plannedBatchEndFloor,
strategy: autoExtractionPlan.strategy,
});
runtime.refreshPersistedRecallMessageUi?.();
return;
}
enqueueMicrotask(() => {
void runtime
.runExtraction({
lockedEndFloor: autoExtractionPlan.plannedBatchEndFloor,
triggerSource: "message-received",
})
.catch((error) => {
runtime.console.error("[ST-BME] 异步自动提取失败:", error);
runtime.notifyExtractionIssue(
error?.message || String(error) || "自动提取失败",
);
});
});
}
runtime.refreshPersistedRecallMessageUi?.();
}

174
host/st-context.js Normal file
View File

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// ST-BME: SillyTavern 上下文数据读取辅助
// 为 prompt 变量扩展Phase 2提供统一的 ST 上下文数据接口
import { getContext } from "../../../extensions.js";
function safeClone(value, fallback) {
if (value == null) {
return fallback;
}
try {
if (typeof structuredClone === "function") {
return structuredClone(value);
}
} catch {
// ignore and fall back to JSON clone
}
try {
return JSON.parse(JSON.stringify(value));
} catch {
return fallback ?? value;
}
}
function resolveCharacter(ctx) {
const charId = ctx?.characterId;
return (
ctx?.character ||
ctx?.characters?.[Number(charId)] ||
ctx?.characters?.[charId] ||
null
);
}
function resolvePersona(ctx) {
return (
ctx?.powerUserSettings?.persona_description ||
ctx?.extensionSettings?.persona_description ||
ctx?.name1_description ||
ctx?.persona ||
""
);
}
function resolveCharacterDescription(char) {
return (
char?.description ||
char?.data?.description ||
char?.data?.personality ||
""
);
}
function resolveLastUserMessage(chat = []) {
return (
chat.findLast?.((message) => message?.is_user)?.mes ||
[...chat].reverse().find((message) => message?.is_user)?.mes ||
""
);
}
function buildStructuredSnapshot(ctx = {}) {
const char = resolveCharacter(ctx);
const chat = Array.isArray(ctx.chat) ? safeClone(ctx.chat, []) : [];
const currentTime = new Date().toLocaleString("zh-CN");
const globalVars = safeClone(
ctx.extensionSettings?.variables?.global || {},
{},
);
const localVars = safeClone(ctx.chatMetadata?.variables || {}, {});
return {
persona: {
text: resolvePersona(ctx),
lorebook:
ctx.extensionSettings?.persona_description_lorebook ||
ctx.powerUserSettings?.persona_description_lorebook ||
ctx.power_user?.persona_description_lorebook ||
"",
},
character: {
id: ctx.characterId ?? null,
name: ctx.name2 || char?.name || "",
description: resolveCharacterDescription(char),
avatar: char?.avatar ? `/characters/${char.avatar}` : "",
worldbook: char?.data?.extensions?.world || char?.extensions?.world || "",
raw: safeClone(char, null),
},
user: {
name: ctx.name1 || "",
avatar: "",
raw: safeClone(ctx.user || null, null),
},
chat: {
id: ctx.chatId || globalThis.getCurrentChatId?.() || "",
messages: chat,
lastUserMessage: resolveLastUserMessage(chat),
},
worldbook: {
character: char?.data?.extensions?.world || char?.extensions?.world || "",
persona:
ctx.extensionSettings?.persona_description_lorebook ||
ctx.powerUserSettings?.persona_description_lorebook ||
ctx.power_user?.persona_description_lorebook ||
"",
chat: ctx.chatMetadata?.world || "",
},
variables: {
global: globalVars,
local: localVars,
merged: {
...globalVars,
...localVars,
},
},
time: {
current: currentTime,
locale: "zh-CN",
},
host: {
meta: {
onlineStatus: ctx.onlineStatus || "",
selectedGroupId: ctx.selectedGroupId ?? null,
},
capabilities: {
hasGetContext: typeof getContext === "function",
hasGlobalGetContext:
typeof globalThis.SillyTavern?.getContext === "function",
hasCurrentChatId: typeof globalThis.getCurrentChatId === "function",
},
},
raw: safeClone(ctx, {}),
};
}
function buildCompatPromptAliases(snapshot) {
return {
userPersona: snapshot.persona.text,
charDescription: snapshot.character.description,
charName: snapshot.character.name,
userName: snapshot.user.name,
currentTime: snapshot.time.current,
};
}
export function getSTContextSnapshot() {
try {
const ctx = getContext?.() || {};
const snapshot = buildStructuredSnapshot(ctx);
return {
snapshot,
prompt: buildCompatPromptAliases(snapshot),
};
} catch (e) {
console.warn("[ST-BME] getSTContextSnapshot 失败:", e);
const snapshot = buildStructuredSnapshot({});
return {
snapshot,
prompt: buildCompatPromptAliases(snapshot),
};
}
}
/**
* 从 SillyTavern 的 getContext() 提取当前上下文数据,
* 返回的字段可直接展开传入 buildTaskPrompt 的 context 参数,
* 用户在自定义 prompt 块中可通过 {{key}} 引用。
*
* @returns {object} 上下文字段映射
*/
export function getSTContextForPrompt() {
return getSTContextSnapshot().prompt;
}

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host/st-native-render.js Normal file
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import { substituteParamsExtended } from "../../../../script.js";
import jsyaml from "../vendor/js-yaml.mjs";
function getTemplateRuntime() {
return globalThis.window?.EjsTemplate || globalThis.EjsTemplate || null;
}
function safeStringify(value) {
if (value == null) return "";
if (typeof value === "string") return value;
try {
return JSON.stringify(value, null, 2);
} catch {
return String(value);
}
}
function deepGet(target, path) {
if (!target || !path) return undefined;
const parts = String(path || "")
.split(".")
.filter(Boolean);
let current = target;
for (const part of parts) {
if (current == null) return undefined;
current = current[part];
}
return current;
}
export function getLatestMessageVarTable() {
try {
if (globalThis.window?.Mvu?.getMvuData) {
return (
globalThis.window.Mvu.getMvuData({
type: "message",
message_id: "latest",
}) || {}
);
}
} catch {
// ignore
}
try {
const getVars =
globalThis.window?.TavernHelper?.getVariables ||
globalThis.window?.Mvu?.getMvuData ||
globalThis.TavernHelper?.getVariables ||
globalThis.Mvu?.getMvuData;
if (typeof getVars === "function") {
return getVars({ type: "message", message_id: "latest" }) || {};
}
} catch {
// ignore
}
return {};
}
export async function prepareStNativeEjsEnv() {
try {
const runtime = getTemplateRuntime();
const prepare =
runtime?.prepareContext || runtime?.preparecontext || null;
if (typeof prepare !== "function") {
return null;
}
return (await prepare.call(runtime, {})) || null;
} catch {
return null;
}
}
function substituteMacrosViaST(text) {
try {
if (typeof substituteParamsExtended === "function") {
return substituteParamsExtended(text);
}
} catch {
// ignore
}
return text;
}
function resolveGetMessageVariableMacros(text, messageVars) {
return String(text || "").replace(
/\{\{\s*get_message_variable::([^}]+)\s*}}/g,
(_, rawPath) => {
const path = String(rawPath || "").trim();
if (!path) return "";
return safeStringify(deepGet(messageVars, path));
},
);
}
function resolveFormatMessageVariableMacros(text, messageVars) {
return String(text || "").replace(
/\{\{\s*format_message_variable::([^}]+)\s*}}/g,
(_, rawPath) => {
const path = String(rawPath || "").trim();
if (!path) return "";
const value = deepGet(messageVars, path);
if (value == null) return "";
if (typeof value === "string") return value;
try {
return jsyaml.dump(value, {
lineWidth: -1,
noRefs: true,
});
} catch {
return safeStringify(value);
}
},
);
}
export async function renderTemplateWithStSupport(
text,
{ env = null, messageVars = null, evaluateEjs = true } = {},
) {
const originalText = String(text ?? "");
const runtime = getTemplateRuntime();
const effectiveEnv = env || null;
const effectiveMessageVars =
messageVars && typeof messageVars === "object"
? messageVars
: getLatestMessageVarTable();
let output = originalText;
let ejsEvaluated = false;
let ejsError = null;
if (evaluateEjs && originalText.includes("<%")) {
try {
const evalTemplate =
runtime?.evalTemplate || runtime?.evaltemplate || null;
if (runtime && effectiveEnv && typeof evalTemplate === "function") {
output = await evalTemplate.call(runtime, output, effectiveEnv);
ejsEvaluated = true;
}
} catch (error) {
ejsError = error;
}
}
const afterMacroSubstitute = substituteMacrosViaST(output);
const afterMessageVariableResolve = resolveFormatMessageVariableMacros(
resolveGetMessageVariableMacros(afterMacroSubstitute, effectiveMessageVars),
effectiveMessageVars,
);
return {
text: afterMessageVariableResolve,
stNativeRuntimeAvailable: Boolean(runtime),
envPrepared: Boolean(effectiveEnv),
ejsEvaluated,
ejsError,
macroApplied: afterMacroSubstitute !== output,
messageVariableMacrosApplied:
afterMessageVariableResolve !== afterMacroSubstitute,
};
}