Files
Netcatty/application/state/useAIState.ts
Eric Chan c771979178 Add Skills + CLI mode for external agents (#599)
* Add Skills + CLI external agent workflow

* feat: add Skills + CLI transport for ACP agents

* chore: remove branch-local compatibility shims
2026-04-10 18:41:53 +08:00

906 lines
34 KiB
TypeScript

import { useCallback, useEffect, useRef, useState } from 'react';
import { localStorageAdapter } from '../../infrastructure/persistence/localStorageAdapter';
import {
STORAGE_KEY_AI_PROVIDERS,
STORAGE_KEY_AI_ACTIVE_PROVIDER,
STORAGE_KEY_AI_ACTIVE_MODEL,
STORAGE_KEY_AI_PERMISSION_MODE,
STORAGE_KEY_AI_TOOL_INTEGRATION_MODE,
STORAGE_KEY_AI_HOST_PERMISSIONS,
STORAGE_KEY_AI_EXTERNAL_AGENTS,
STORAGE_KEY_AI_DEFAULT_AGENT,
STORAGE_KEY_AI_COMMAND_BLOCKLIST,
STORAGE_KEY_AI_COMMAND_TIMEOUT,
STORAGE_KEY_AI_MAX_ITERATIONS,
STORAGE_KEY_AI_SESSIONS,
STORAGE_KEY_AI_ACTIVE_SESSION_MAP,
STORAGE_KEY_AI_AGENT_MODEL_MAP,
STORAGE_KEY_AI_WEB_SEARCH,
} from '../../infrastructure/config/storageKeys';
import type {
AISession,
AIPermissionMode,
AIToolIntegrationMode,
ProviderConfig,
HostAIPermission,
ExternalAgentConfig,
ChatMessage,
AISessionScope,
WebSearchConfig,
} from '../../infrastructure/ai/types';
import { DEFAULT_COMMAND_BLOCKLIST } from '../../infrastructure/ai/types';
/** Typed accessor for the Electron IPC bridge exposed on `window.netcatty`. */
interface AIBridge {
aiAcpCleanup?: (chatSessionId: string) => Promise<{ ok: boolean }>;
aiMcpSetPermissionMode?: (mode: AIPermissionMode) => Promise<unknown> | unknown;
aiMcpSetToolIntegrationMode?: (mode: AIToolIntegrationMode) => Promise<unknown> | unknown;
aiMcpSetCommandBlocklist?: (blocklist: string[]) => Promise<unknown> | unknown;
aiMcpSetCommandTimeout?: (timeout: number) => Promise<unknown> | unknown;
aiMcpSetMaxIterations?: (maxIterations: number) => Promise<unknown> | unknown;
}
function getAIBridge() {
return (window as unknown as { netcatty?: AIBridge }).netcatty;
}
const AI_STATE_CHANGED_EVENT = 'netcatty:ai-state-changed';
function emitAIStateChanged(key: string) {
window.dispatchEvent(new CustomEvent<{ key: string }>(AI_STATE_CHANGED_EVENT, { detail: { key } }));
}
function cleanupAcpSessions(sessionIds: string[]) {
const bridge = getAIBridge();
if (!bridge?.aiAcpCleanup || sessionIds.length === 0) return;
for (const sessionId of sessionIds) {
void bridge.aiAcpCleanup(sessionId).catch(() => {});
}
}
function isScopeKeyActive(scopeKey: string, activeTargetIds: Set<string>) {
const separatorIndex = scopeKey.indexOf(':');
if (separatorIndex === -1) return true;
const targetId = scopeKey.slice(separatorIndex + 1);
if (!targetId) return true;
return activeTargetIds.has(targetId);
}
export function cleanupOrphanedAISessions(activeTargetIds: Set<string>) {
const currentSessions = latestAISessionsSnapshot
?? localStorageAdapter.read<AISession[]>(STORAGE_KEY_AI_SESSIONS)
?? [];
const orphanedSessionIds = currentSessions
.filter((session) => session.scope.targetId && !activeTargetIds.has(session.scope.targetId))
.map((session) => session.id);
if (orphanedSessionIds.length > 0) {
const orphanedSessionIdSet = new Set(orphanedSessionIds);
// Determine which sessions can be restored via host-based matching
const preservedIds = new Set<string>();
for (const session of currentSessions) {
if (!orphanedSessionIdSet.has(session.id)) continue;
// Only preserve remote terminal sessions with real hostIds
const isRestorable = session.scope.type === 'terminal'
&& session.scope.hostIds?.length
&& session.scope.hostIds.some((id) => !id.startsWith('local-') && !id.startsWith('serial-'));
if (isRestorable) {
preservedIds.add(session.id);
}
}
// Cleanup ACP sessions for all orphans (both deleted and preserved).
// Preserved sessions will get a new externalSessionId on next use,
// so cleaning the old one is safe and prevents subprocess leaks.
cleanupAcpSessions(orphanedSessionIds);
const nextSessions = currentSessions
.filter((session) => !orphanedSessionIdSet.has(session.id) || preservedIds.has(session.id))
.map((session) => {
if (!preservedIds.has(session.id) || !session.externalSessionId) {
return session;
}
// Drop transient ACP session handles so the next turn starts cleanly.
return { ...session, externalSessionId: undefined };
});
const sessionsChanged = nextSessions.length !== currentSessions.length
|| nextSessions.some((session, index) => session !== currentSessions[index]);
if (sessionsChanged) {
setLatestAISessionsSnapshot(nextSessions);
localStorageAdapter.write(STORAGE_KEY_AI_SESSIONS, pruneSessionsForStorage(nextSessions));
emitAIStateChanged(STORAGE_KEY_AI_SESSIONS);
}
}
const activeSessionIdMap = latestAIActiveSessionMapSnapshot
?? localStorageAdapter.read<Record<string, string | null>>(STORAGE_KEY_AI_ACTIVE_SESSION_MAP)
?? {};
let activeSessionMapChanged = false;
const nextActiveSessionIdMap = { ...activeSessionIdMap };
for (const scopeKey of Object.keys(activeSessionIdMap)) {
if (isScopeKeyActive(scopeKey, activeTargetIds)) continue;
delete nextActiveSessionIdMap[scopeKey];
activeSessionMapChanged = true;
}
if (activeSessionMapChanged) {
setLatestAIActiveSessionMapSnapshot(nextActiveSessionIdMap);
localStorageAdapter.write(STORAGE_KEY_AI_ACTIVE_SESSION_MAP, nextActiveSessionIdMap);
emitAIStateChanged(STORAGE_KEY_AI_ACTIVE_SESSION_MAP);
}
}
/** Maximum number of sessions to keep in localStorage. */
const MAX_STORED_SESSIONS = 50;
/** Maximum number of messages per session when persisting to localStorage. */
const MAX_SESSION_MESSAGES = 200;
/**
* Prune sessions before writing to localStorage to prevent hitting the
* ~5-10 MB storage quota. Only affects what is persisted — the in-memory
* state retains all messages until the session is reloaded.
*
* - Keeps only the MAX_STORED_SESSIONS most-recently-updated sessions.
* - Trims each session's messages to the last MAX_SESSION_MESSAGES.
*/
function pruneSessionsForStorage(sessions: AISession[]): AISession[] {
// Sort by updatedAt descending so we keep the newest
const sorted = [...sessions].sort((a, b) => b.updatedAt - a.updatedAt);
const limited = sorted.slice(0, MAX_STORED_SESSIONS);
return limited.map(s => {
if (s.messages.length > MAX_SESSION_MESSAGES) {
return { ...s, messages: s.messages.slice(-MAX_SESSION_MESSAGES) };
}
return s;
});
}
let latestAISessionsSnapshot: AISession[] | null = null;
let latestAIActiveSessionMapSnapshot: Record<string, string | null> | null = null;
function setLatestAISessionsSnapshot(sessions: AISession[]) {
latestAISessionsSnapshot = sessions;
}
function setLatestAIActiveSessionMapSnapshot(activeSessionIdMap: Record<string, string | null>) {
latestAIActiveSessionMapSnapshot = activeSessionIdMap;
}
function buildScopeKey(scope: AISessionScope) {
return `${scope.type}:${scope.targetId ?? ''}`;
}
function areHostIdsEqual(left?: string[], right?: string[]) {
const leftIds = left ?? [];
const rightIds = right ?? [];
if (leftIds.length !== rightIds.length) return false;
const rightSet = new Set(rightIds);
return leftIds.every((hostId) => rightSet.has(hostId));
}
export function useAIState() {
// ── Provider Config ──
const [providers, setProvidersRaw] = useState<ProviderConfig[]>(() =>
localStorageAdapter.read<ProviderConfig[]>(STORAGE_KEY_AI_PROVIDERS) ?? []
);
const [activeProviderId, setActiveProviderIdRaw] = useState<string>(() =>
localStorageAdapter.readString(STORAGE_KEY_AI_ACTIVE_PROVIDER) ?? ''
);
const [activeModelId, setActiveModelIdRaw] = useState<string>(() =>
localStorageAdapter.readString(STORAGE_KEY_AI_ACTIVE_MODEL) ?? ''
);
// ── Permission Model ──
const [globalPermissionMode, setGlobalPermissionModeRaw] = useState<AIPermissionMode>(() => {
const stored = localStorageAdapter.readString(STORAGE_KEY_AI_PERMISSION_MODE);
if (stored === 'observer' || stored === 'confirm' || stored === 'autonomous') return stored;
return 'confirm';
});
const [toolIntegrationMode, setToolIntegrationModeRaw] = useState<AIToolIntegrationMode>(() => {
const stored = localStorageAdapter.readString(STORAGE_KEY_AI_TOOL_INTEGRATION_MODE);
return stored === 'skills' ? 'skills' : 'mcp';
});
const [hostPermissions, setHostPermissionsRaw] = useState<HostAIPermission[]>(() =>
localStorageAdapter.read<HostAIPermission[]>(STORAGE_KEY_AI_HOST_PERMISSIONS) ?? []
);
// ── External Agents ──
const [externalAgents, setExternalAgentsRaw] = useState<ExternalAgentConfig[]>(() =>
localStorageAdapter.read<ExternalAgentConfig[]>(STORAGE_KEY_AI_EXTERNAL_AGENTS) ?? []
);
const [defaultAgentId, setDefaultAgentIdRaw] = useState<string>(() =>
localStorageAdapter.readString(STORAGE_KEY_AI_DEFAULT_AGENT) ?? 'catty'
);
// ── Safety Settings ──
const [commandBlocklist, setCommandBlocklistRaw] = useState<string[]>(() =>
localStorageAdapter.read<string[]>(STORAGE_KEY_AI_COMMAND_BLOCKLIST) ?? [...DEFAULT_COMMAND_BLOCKLIST]
);
const [commandTimeout, setCommandTimeoutRaw] = useState<number>(() =>
localStorageAdapter.readNumber(STORAGE_KEY_AI_COMMAND_TIMEOUT) ?? 60
);
const [maxIterations, setMaxIterationsRaw] = useState<number>(() =>
localStorageAdapter.readNumber(STORAGE_KEY_AI_MAX_ITERATIONS) ?? 20
);
// ── Sessions ──
const [sessions, setSessionsRaw] = useState<AISession[]>(() =>
localStorageAdapter.read<AISession[]>(STORAGE_KEY_AI_SESSIONS) ?? []
);
// Ref that always holds the latest sessions for use inside debounced callbacks
const sessionsRef = useRef(sessions);
useEffect(() => {
sessionsRef.current = sessions;
}, [sessions]);
// Per-scope active session: keyed by `${scopeType}:${scopeTargetId}`
const [activeSessionIdMap, setActiveSessionIdMapRaw] = useState<Record<string, string | null>>(() =>
localStorageAdapter.read<Record<string, string | null>>(STORAGE_KEY_AI_ACTIVE_SESSION_MAP) ?? {}
);
// Per-agent model selection: remembers last selected model per agent
const [agentModelMap, setAgentModelMapRaw] = useState<Record<string, string>>(() =>
localStorageAdapter.read<Record<string, string>>(STORAGE_KEY_AI_AGENT_MODEL_MAP) ?? {}
);
// ── Web Search Config ──
const [webSearchConfig, setWebSearchConfigRaw] = useState<WebSearchConfig | null>(() =>
localStorageAdapter.read<WebSearchConfig>(STORAGE_KEY_AI_WEB_SEARCH) ?? null
);
useEffect(() => {
setLatestAISessionsSnapshot(sessions);
}, [sessions]);
useEffect(() => {
setLatestAIActiveSessionMapSnapshot(activeSessionIdMap);
}, [activeSessionIdMap]);
useEffect(() => {
const validSessionIds = new Set(sessions.map((session) => session.id));
let changed = false;
const nextActiveSessionIdMap: Record<string, string | null> = {};
for (const [scopeKey, sessionId] of Object.entries(activeSessionIdMap) as Array<[string, string | null]>) {
const nextSessionId = sessionId && validSessionIds.has(sessionId) ? sessionId : null;
nextActiveSessionIdMap[scopeKey] = nextSessionId;
if (nextSessionId !== sessionId) {
changed = true;
}
}
if (!changed) return;
setLatestAIActiveSessionMapSnapshot(nextActiveSessionIdMap);
localStorageAdapter.write(STORAGE_KEY_AI_ACTIVE_SESSION_MAP, nextActiveSessionIdMap);
setActiveSessionIdMapRaw(nextActiveSessionIdMap);
emitAIStateChanged(STORAGE_KEY_AI_ACTIVE_SESSION_MAP);
}, [sessions, activeSessionIdMap]);
const setActiveSessionId = useCallback((scopeKey: string, id: string | null) => {
setActiveSessionIdMapRaw(prev => {
const next = { ...prev, [scopeKey]: id };
setLatestAIActiveSessionMapSnapshot(next);
localStorageAdapter.write(STORAGE_KEY_AI_ACTIVE_SESSION_MAP, next);
emitAIStateChanged(STORAGE_KEY_AI_ACTIVE_SESSION_MAP);
return next;
});
}, []);
const setAgentModel = useCallback((agentId: string, modelId: string) => {
setAgentModelMapRaw(prev => {
const next = { ...prev, [agentId]: modelId };
localStorageAdapter.write(STORAGE_KEY_AI_AGENT_MODEL_MAP, next);
return next;
});
}, []);
const setWebSearchConfig = useCallback((config: WebSearchConfig | null) => {
setWebSearchConfigRaw(config);
if (config) {
localStorageAdapter.write(STORAGE_KEY_AI_WEB_SEARCH, config);
} else {
localStorageAdapter.remove(STORAGE_KEY_AI_WEB_SEARCH);
}
}, []);
// ── Persist helpers ──
const setProviders = useCallback((value: ProviderConfig[] | ((prev: ProviderConfig[]) => ProviderConfig[])) => {
setProvidersRaw(prev => {
const next = typeof value === 'function' ? value(prev) : value;
localStorageAdapter.write(STORAGE_KEY_AI_PROVIDERS, next);
return next;
});
}, []);
const setActiveProviderId = useCallback((id: string) => {
setActiveProviderIdRaw(id);
localStorageAdapter.writeString(STORAGE_KEY_AI_ACTIVE_PROVIDER, id);
}, []);
const setActiveModelId = useCallback((id: string) => {
setActiveModelIdRaw(id);
localStorageAdapter.writeString(STORAGE_KEY_AI_ACTIVE_MODEL, id);
}, []);
const setGlobalPermissionMode = useCallback((mode: AIPermissionMode) => {
setGlobalPermissionModeRaw(mode);
localStorageAdapter.writeString(STORAGE_KEY_AI_PERMISSION_MODE, mode);
// Sync to MCP Server bridge (observer mode blocks write operations)
const bridge = getAIBridge();
bridge?.aiMcpSetPermissionMode?.(mode);
}, []);
const setHostPermissions = useCallback((value: HostAIPermission[] | ((prev: HostAIPermission[]) => HostAIPermission[])) => {
setHostPermissionsRaw(prev => {
const next = typeof value === 'function' ? value(prev) : value;
localStorageAdapter.write(STORAGE_KEY_AI_HOST_PERMISSIONS, next);
return next;
});
}, []);
const setToolIntegrationMode = useCallback((mode: AIToolIntegrationMode) => {
setToolIntegrationModeRaw(mode);
localStorageAdapter.writeString(STORAGE_KEY_AI_TOOL_INTEGRATION_MODE, mode);
const bridge = getAIBridge();
bridge?.aiMcpSetToolIntegrationMode?.(mode);
}, []);
const setExternalAgents = useCallback((value: ExternalAgentConfig[] | ((prev: ExternalAgentConfig[]) => ExternalAgentConfig[])) => {
setExternalAgentsRaw(prev => {
const next = typeof value === 'function' ? value(prev) : value;
localStorageAdapter.write(STORAGE_KEY_AI_EXTERNAL_AGENTS, next);
return next;
});
}, []);
const setDefaultAgentId = useCallback((id: string) => {
setDefaultAgentIdRaw(id);
localStorageAdapter.writeString(STORAGE_KEY_AI_DEFAULT_AGENT, id);
}, []);
const setCommandBlocklist = useCallback((value: string[]) => {
setCommandBlocklistRaw(value);
localStorageAdapter.write(STORAGE_KEY_AI_COMMAND_BLOCKLIST, value);
// Sync to MCP Server bridge so ACP agents also respect the blocklist
const bridge = getAIBridge();
bridge?.aiMcpSetCommandBlocklist?.(value);
}, []);
const setCommandTimeout = useCallback((value: number) => {
setCommandTimeoutRaw(value);
localStorageAdapter.writeNumber(STORAGE_KEY_AI_COMMAND_TIMEOUT, value);
// Sync to MCP Server bridge
const bridge = getAIBridge();
bridge?.aiMcpSetCommandTimeout?.(value);
}, []);
const setMaxIterations = useCallback((value: number) => {
setMaxIterationsRaw(value);
localStorageAdapter.writeNumber(STORAGE_KEY_AI_MAX_ITERATIONS, value);
// Sync to MCP Server bridge (used by ACP agent path)
const bridge = getAIBridge();
bridge?.aiMcpSetMaxIterations?.(value);
}, []);
// ── Cross-window sync via storage events ──
// When the settings window updates localStorage, the main window picks up changes.
useEffect(() => {
const handleStorage = (e: StorageEvent) => {
try {
switch (e.key) {
case STORAGE_KEY_AI_PROVIDERS: {
const parsed = localStorageAdapter.read<ProviderConfig[]>(STORAGE_KEY_AI_PROVIDERS);
if (parsed != null && !Array.isArray(parsed)) {
console.warn('[useAIState] Cross-window sync: AI_PROVIDERS is not an array, skipping');
break;
}
setProvidersRaw(parsed ?? []);
break;
}
case STORAGE_KEY_AI_ACTIVE_PROVIDER:
setActiveProviderIdRaw(localStorageAdapter.readString(STORAGE_KEY_AI_ACTIVE_PROVIDER) ?? '');
break;
case STORAGE_KEY_AI_ACTIVE_MODEL:
setActiveModelIdRaw(localStorageAdapter.readString(STORAGE_KEY_AI_ACTIVE_MODEL) ?? '');
break;
case STORAGE_KEY_AI_PERMISSION_MODE: {
const mode = localStorageAdapter.readString(STORAGE_KEY_AI_PERMISSION_MODE);
if (mode === 'observer' || mode === 'confirm' || mode === 'autonomous') {
setGlobalPermissionModeRaw(mode);
getAIBridge()?.aiMcpSetPermissionMode?.(mode);
}
break;
}
case STORAGE_KEY_AI_TOOL_INTEGRATION_MODE:
{
const mode = localStorageAdapter.readString(STORAGE_KEY_AI_TOOL_INTEGRATION_MODE) === 'skills'
? 'skills'
: 'mcp';
setToolIntegrationModeRaw(mode);
getAIBridge()?.aiMcpSetToolIntegrationMode?.(mode);
}
break;
case STORAGE_KEY_AI_EXTERNAL_AGENTS: {
const agents = localStorageAdapter.read<ExternalAgentConfig[]>(STORAGE_KEY_AI_EXTERNAL_AGENTS);
if (agents != null && !Array.isArray(agents)) {
console.warn('[useAIState] Cross-window sync: AI_EXTERNAL_AGENTS is not an array, skipping');
break;
}
setExternalAgentsRaw(agents ?? []);
break;
}
case STORAGE_KEY_AI_DEFAULT_AGENT:
setDefaultAgentIdRaw(localStorageAdapter.readString(STORAGE_KEY_AI_DEFAULT_AGENT) ?? 'catty');
break;
case STORAGE_KEY_AI_COMMAND_BLOCKLIST: {
const list = localStorageAdapter.read<string[]>(STORAGE_KEY_AI_COMMAND_BLOCKLIST);
if (list != null && !Array.isArray(list)) {
console.warn('[useAIState] Cross-window sync: AI_COMMAND_BLOCKLIST is not an array, skipping');
break;
}
const blocklist = list ?? [...DEFAULT_COMMAND_BLOCKLIST];
setCommandBlocklistRaw(blocklist);
getAIBridge()?.aiMcpSetCommandBlocklist?.(blocklist);
break;
}
case STORAGE_KEY_AI_COMMAND_TIMEOUT: {
const timeout = localStorageAdapter.readNumber(STORAGE_KEY_AI_COMMAND_TIMEOUT) ?? 60;
if (!Number.isFinite(timeout)) {
console.warn('[useAIState] Cross-window sync: AI_COMMAND_TIMEOUT is not a finite number, skipping');
break;
}
setCommandTimeoutRaw(timeout);
getAIBridge()?.aiMcpSetCommandTimeout?.(timeout);
break;
}
case STORAGE_KEY_AI_MAX_ITERATIONS: {
const iters = localStorageAdapter.readNumber(STORAGE_KEY_AI_MAX_ITERATIONS) ?? 20;
if (!Number.isFinite(iters)) {
console.warn('[useAIState] Cross-window sync: AI_MAX_ITERATIONS is not a finite number, skipping');
break;
}
setMaxIterationsRaw(iters);
getAIBridge()?.aiMcpSetMaxIterations?.(iters);
break;
}
case STORAGE_KEY_AI_HOST_PERMISSIONS: {
const perms = localStorageAdapter.read<HostAIPermission[]>(STORAGE_KEY_AI_HOST_PERMISSIONS);
if (perms != null && !Array.isArray(perms)) {
console.warn('[useAIState] Cross-window sync: AI_HOST_PERMISSIONS is not an array, skipping');
break;
}
setHostPermissionsRaw(perms ?? []);
break;
}
case STORAGE_KEY_AI_SESSIONS: {
const nextSessions = localStorageAdapter.read<AISession[]>(STORAGE_KEY_AI_SESSIONS) ?? [];
setLatestAISessionsSnapshot(nextSessions);
setSessionsRaw(nextSessions);
break;
}
case STORAGE_KEY_AI_AGENT_MODEL_MAP:
setAgentModelMapRaw(localStorageAdapter.read<Record<string, string>>(STORAGE_KEY_AI_AGENT_MODEL_MAP) ?? {});
break;
case STORAGE_KEY_AI_ACTIVE_SESSION_MAP: {
const nextActiveSessionIdMap =
localStorageAdapter.read<Record<string, string | null>>(STORAGE_KEY_AI_ACTIVE_SESSION_MAP) ?? {};
setLatestAIActiveSessionMapSnapshot(nextActiveSessionIdMap);
setActiveSessionIdMapRaw(nextActiveSessionIdMap);
break;
}
case STORAGE_KEY_AI_WEB_SEARCH:
setWebSearchConfigRaw(localStorageAdapter.read<WebSearchConfig>(STORAGE_KEY_AI_WEB_SEARCH) ?? null);
break;
}
} catch (err) {
console.warn('[useAIState] Cross-window sync: failed to process storage event for key', e.key, err);
}
};
window.addEventListener('storage', handleStorage);
const handleLocalStateChanged = (event: Event) => {
const key = (event as CustomEvent<{ key?: string }>).detail?.key;
if (!key) return;
switch (key) {
case STORAGE_KEY_AI_SESSIONS:
setSessionsRaw(
latestAISessionsSnapshot
?? localStorageAdapter.read<AISession[]>(STORAGE_KEY_AI_SESSIONS)
?? [],
);
return;
case STORAGE_KEY_AI_ACTIVE_SESSION_MAP:
setActiveSessionIdMapRaw(
latestAIActiveSessionMapSnapshot
?? localStorageAdapter.read<Record<string, string | null>>(STORAGE_KEY_AI_ACTIVE_SESSION_MAP)
?? {},
);
return;
default:
handleStorage({ key } as StorageEvent);
}
};
window.addEventListener(AI_STATE_CHANGED_EVENT, handleLocalStateChanged);
return () => {
window.removeEventListener('storage', handleStorage);
window.removeEventListener(AI_STATE_CHANGED_EVENT, handleLocalStateChanged);
};
}, []);
// ── Sync initial safety settings to MCP Server on mount ──
useEffect(() => {
const bridge = getAIBridge();
const initialBlocklist = localStorageAdapter.read<string[]>(STORAGE_KEY_AI_COMMAND_BLOCKLIST) ?? [...DEFAULT_COMMAND_BLOCKLIST];
bridge?.aiMcpSetCommandBlocklist?.(initialBlocklist);
const initialTimeout = localStorageAdapter.readNumber(STORAGE_KEY_AI_COMMAND_TIMEOUT) ?? 60;
bridge?.aiMcpSetCommandTimeout?.(initialTimeout);
const initialMaxIter = localStorageAdapter.readNumber(STORAGE_KEY_AI_MAX_ITERATIONS) ?? 20;
bridge?.aiMcpSetMaxIterations?.(initialMaxIter);
const storedPermMode = localStorageAdapter.readString(STORAGE_KEY_AI_PERMISSION_MODE);
const initialPermMode: AIPermissionMode =
storedPermMode === 'observer' || storedPermMode === 'confirm' || storedPermMode === 'autonomous'
? storedPermMode
: 'confirm';
bridge?.aiMcpSetPermissionMode?.(initialPermMode);
const initialToolMode: AIToolIntegrationMode =
localStorageAdapter.readString(STORAGE_KEY_AI_TOOL_INTEGRATION_MODE) === 'skills'
? 'skills'
: 'mcp';
bridge?.aiMcpSetToolIntegrationMode?.(initialToolMode);
}, []);
// ── Session CRUD ──
const persistSessions = useCallback((next: AISession[]) => {
localStorageAdapter.write(STORAGE_KEY_AI_SESSIONS, pruneSessionsForStorage(next));
}, []);
// Debounced version of persistSessions for high-frequency updates (e.g. streaming)
const persistTimerRef = useRef<ReturnType<typeof setTimeout> | null>(null);
const mountedRef = useRef(true);
const debouncedPersistSessions = useCallback(() => {
if (persistTimerRef.current) clearTimeout(persistTimerRef.current);
persistTimerRef.current = setTimeout(() => {
if (!mountedRef.current) return; // Skip writes after unmount
localStorageAdapter.write(STORAGE_KEY_AI_SESSIONS, pruneSessionsForStorage(sessionsRef.current));
persistTimerRef.current = null;
}, 500);
}, []);
// Flush pending debounced writes on unmount
useEffect(() => {
mountedRef.current = true;
return () => {
mountedRef.current = false;
if (persistTimerRef.current) {
clearTimeout(persistTimerRef.current);
persistTimerRef.current = null;
persistSessions(sessionsRef.current);
}
};
}, [persistSessions]);
const createSession = useCallback((scope: AISessionScope, agentId?: string): AISession => {
const now = Date.now();
const session: AISession = {
id: `ai_${now}_${Math.random().toString(36).slice(2, 8)}`,
title: 'New Chat',
agentId: agentId || defaultAgentId,
scope,
messages: [],
createdAt: now,
updatedAt: now,
};
setSessionsRaw(prev => {
const next = [session, ...prev];
setLatestAISessionsSnapshot(next);
persistSessions(next);
return next;
});
const scopeKey = `${scope.type}:${scope.targetId ?? ''}`;
setActiveSessionId(scopeKey, session.id);
return session;
}, [defaultAgentId, persistSessions, setActiveSessionId]);
const deleteSession = useCallback((sessionId: string, scopeKey?: string) => {
cleanupAcpSessions([sessionId]);
if (persistTimerRef.current) {
clearTimeout(persistTimerRef.current);
persistTimerRef.current = null;
}
setSessionsRaw(prev => {
const next = prev.filter(s => s.id !== sessionId);
setLatestAISessionsSnapshot(next);
persistSessions(next);
return next;
});
if (scopeKey) {
setActiveSessionIdMapRaw(prev => {
if (prev[scopeKey] === sessionId) {
const next = { ...prev, [scopeKey]: null };
setLatestAIActiveSessionMapSnapshot(next);
localStorageAdapter.write(STORAGE_KEY_AI_ACTIVE_SESSION_MAP, next);
emitAIStateChanged(STORAGE_KEY_AI_ACTIVE_SESSION_MAP);
return next;
}
return prev;
});
}
}, [persistSessions]);
const deleteSessionsByTarget = useCallback((scopeType: 'terminal' | 'workspace', targetId: string) => {
const removedSessionIds = sessionsRef.current
.filter(s => s.scope.type === scopeType && s.scope.targetId === targetId)
.map(s => s.id);
cleanupAcpSessions(removedSessionIds);
if (persistTimerRef.current) {
clearTimeout(persistTimerRef.current);
persistTimerRef.current = null;
}
setSessionsRaw(prev => {
const next = prev.filter(s => {
return !(s.scope.type === scopeType && s.scope.targetId === targetId);
});
setLatestAISessionsSnapshot(next);
persistSessions(next);
return next;
});
const scopeKey = `${scopeType}:${targetId}`;
setActiveSessionIdMapRaw(prev => {
if (prev[scopeKey] != null) {
const next = { ...prev, [scopeKey]: null };
setLatestAIActiveSessionMapSnapshot(next);
localStorageAdapter.write(STORAGE_KEY_AI_ACTIVE_SESSION_MAP, next);
emitAIStateChanged(STORAGE_KEY_AI_ACTIVE_SESSION_MAP);
return next;
}
return prev;
});
}, [persistSessions]);
const updateSessionTitle = useCallback((sessionId: string, title: string) => {
setSessionsRaw(prev => {
const next = prev.map(s => s.id === sessionId ? { ...s, title, updatedAt: Date.now() } : s);
setLatestAISessionsSnapshot(next);
persistSessions(next);
return next;
});
}, [persistSessions]);
const updateSessionExternalSessionId = useCallback((sessionId: string, externalSessionId: string | undefined) => {
setSessionsRaw(prev => {
const next = prev.map(s => (
s.id === sessionId
? { ...s, externalSessionId, updatedAt: Date.now() }
: s
));
setLatestAISessionsSnapshot(next);
debouncedPersistSessions();
return next;
});
}, [debouncedPersistSessions]);
const retargetSessionScope = useCallback((sessionId: string, scope: AISessionScope) => {
const currentSession = sessionsRef.current.find((session) => session.id === sessionId);
if (!currentSession) return;
const currentScope = currentSession.scope;
const scopeChanged =
currentScope.type !== scope.type
|| currentScope.targetId !== scope.targetId
|| !areHostIdsEqual(currentScope.hostIds, scope.hostIds);
const nextScopeKey = buildScopeKey(scope);
const currentScopeKey = buildScopeKey(currentScope);
if (scopeChanged) {
setSessionsRaw((prev) => {
let changed = false;
const next = prev.map((session) => {
if (session.id !== sessionId) return session;
changed = true;
// Clear stale ACP handle — retarget may run before orphan cleanup
return { ...session, scope, externalSessionId: undefined };
});
if (!changed) return prev;
sessionsRef.current = next;
setLatestAISessionsSnapshot(next);
persistSessions(next);
return next;
});
}
setActiveSessionIdMapRaw((prev) => {
let changed = false;
const next = { ...prev };
if (currentScopeKey !== nextScopeKey && next[currentScopeKey] === sessionId) {
delete next[currentScopeKey];
changed = true;
}
if (next[nextScopeKey] !== sessionId) {
next[nextScopeKey] = sessionId;
changed = true;
}
if (!changed) return prev;
setLatestAIActiveSessionMapSnapshot(next);
localStorageAdapter.write(STORAGE_KEY_AI_ACTIVE_SESSION_MAP, next);
emitAIStateChanged(STORAGE_KEY_AI_ACTIVE_SESSION_MAP);
return next;
});
}, [persistSessions]);
// Maximum messages per session to prevent unbounded memory growth
const MAX_MESSAGES_PER_SESSION = 500;
const addMessageToSession = useCallback((sessionId: string, message: ChatMessage) => {
setSessionsRaw(prev => {
const next = prev.map(s => {
if (s.id !== sessionId) return s;
let msgs = [...s.messages, message];
// Trim oldest messages if exceeding limit (keep system messages)
if (msgs.length > MAX_MESSAGES_PER_SESSION) {
const systemMsgs = msgs.filter(m => m.role === 'system');
const nonSystemMsgs = msgs.filter(m => m.role !== 'system');
const dropped = nonSystemMsgs.length - (MAX_MESSAGES_PER_SESSION - systemMsgs.length);
console.warn(`[useAIState] Session ${sessionId}: trimmed ${dropped} oldest non-system message(s) to stay within ${MAX_MESSAGES_PER_SESSION} limit`);
msgs = [...systemMsgs, ...nonSystemMsgs.slice(-MAX_MESSAGES_PER_SESSION + systemMsgs.length)];
}
return { ...s, messages: msgs, updatedAt: Date.now() };
});
setLatestAISessionsSnapshot(next);
debouncedPersistSessions();
return next;
});
}, [debouncedPersistSessions]);
const updateLastMessage = useCallback((sessionId: string, updater: (msg: ChatMessage) => ChatMessage) => {
setSessionsRaw(prev => {
const next = prev.map(s => {
if (s.id !== sessionId || s.messages.length === 0) return s;
const msgs = [...s.messages];
msgs[msgs.length - 1] = updater(msgs[msgs.length - 1]);
return { ...s, messages: msgs, updatedAt: Date.now() };
});
setLatestAISessionsSnapshot(next);
debouncedPersistSessions();
return next;
});
}, [debouncedPersistSessions]);
const updateMessageById = useCallback((sessionId: string, messageId: string, updater: (msg: ChatMessage) => ChatMessage) => {
setSessionsRaw(prev => {
const next = prev.map(s => {
if (s.id !== sessionId) return s;
const idx = s.messages.findIndex(m => m.id === messageId);
if (idx === -1) return s;
const msgs = [...s.messages];
msgs[idx] = updater(msgs[idx]);
return { ...s, messages: msgs, updatedAt: Date.now() };
});
setLatestAISessionsSnapshot(next);
debouncedPersistSessions();
return next;
});
}, [debouncedPersistSessions]);
const clearSessionMessages = useCallback((sessionId: string) => {
if (persistTimerRef.current) {
clearTimeout(persistTimerRef.current);
persistTimerRef.current = null;
}
setSessionsRaw(prev => {
const next = prev.map(s => s.id === sessionId ? { ...s, messages: [], updatedAt: Date.now() } : s);
setLatestAISessionsSnapshot(next);
persistSessions(next);
return next;
});
}, [persistSessions]);
const cleanupOrphanedSessions = useCallback((activeTargetIds: Set<string>) => {
cleanupOrphanedAISessions(activeTargetIds);
setSessionsRaw(latestAISessionsSnapshot ?? localStorageAdapter.read<AISession[]>(STORAGE_KEY_AI_SESSIONS) ?? []);
setActiveSessionIdMapRaw(
latestAIActiveSessionMapSnapshot
?? localStorageAdapter.read<Record<string, string | null>>(STORAGE_KEY_AI_ACTIVE_SESSION_MAP)
?? {},
);
}, []);
// ── Provider CRUD helpers ──
const addProvider = useCallback((provider: ProviderConfig) => {
setProviders(prev => [...prev, provider]);
}, [setProviders]);
const updateProvider = useCallback((id: string, updates: Partial<ProviderConfig>) => {
setProviders(prev => prev.map(p => p.id === id ? { ...p, ...updates } : p));
}, [setProviders]);
const removeProvider = useCallback((id: string) => {
setProviders(prev => prev.filter(p => p.id !== id));
// Use the raw setter to avoid stale closure over setActiveProviderId
setActiveProviderIdRaw(prevId => {
if (prevId === id) {
const next = '';
localStorageAdapter.writeString(STORAGE_KEY_AI_ACTIVE_PROVIDER, next);
return next;
}
return prevId;
});
}, [setProviders]);
// ── Computed ──
const activeProvider = providers.find(p => p.id === activeProviderId) ?? null;
return {
// Provider config
providers,
setProviders,
addProvider,
updateProvider,
removeProvider,
activeProviderId,
setActiveProviderId,
activeModelId,
setActiveModelId,
activeProvider,
// Permission model
globalPermissionMode,
setGlobalPermissionMode,
toolIntegrationMode,
setToolIntegrationMode,
hostPermissions,
setHostPermissions,
// External agents
externalAgents,
setExternalAgents,
defaultAgentId,
setDefaultAgentId,
// Safety
commandBlocklist,
setCommandBlocklist,
commandTimeout,
setCommandTimeout,
maxIterations,
setMaxIterations,
// Per-agent model memory
agentModelMap,
setAgentModel,
// Web search
webSearchConfig,
setWebSearchConfig,
// Sessions (per-scope active session)
sessions,
activeSessionIdMap,
setActiveSessionId,
createSession,
deleteSession,
deleteSessionsByTarget,
updateSessionTitle,
updateSessionExternalSessionId,
retargetSessionScope,
addMessageToSession,
updateLastMessage,
updateMessageById,
clearSessionMessages,
cleanupOrphanedSessions,
};
}