chore: 清理 src 下 113 项未使用导入和死代码

删除未使用的文件（BuiltinStatusLine.tsx、4 个重复的 .ts stub）、
移除约 55 个文件中未使用的 React 导入、
清理约 50 处未使用的导入/变量/参数。
净减少 ~296 行代码，precheck 4077 测试全部通过。

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

src/services/acp/permissions.ts

@@ -32,7 +32,7 @@ import { toolInfoFromToolUse } from './bridge.js'
 export function createAcpCanUseTool(
   conn: AgentSideConnection,
   sessionId: string,
-  getCurrentMode: () => string,
+  _getCurrentMode: () => string,
   clientCapabilities?: ClientCapabilities,
   cwd?: string,
   onModeChange?: (modeId: string) => void,

src/services/api/claude.ts

@@ -121,7 +121,6 @@ import {
   getAfkModeHeaderLatched,
   getCacheEditingHeaderLatched,
   getFastModeHeaderLatched,
-  getLastApiCompletionTimestamp,
   getPromptCache1hAllowlist,
   getPromptCache1hEligible,
   getSessionId,
@@ -253,7 +252,6 @@ import {
   type NonNullableUsage,
 } from './logging.js'
 import {
-  CACHE_TTL_1HOUR_MS,
   checkResponseForCacheBreak,
   recordPromptState,
 } from './promptCacheBreakDetection.js'

src/services/api/gemini/index.ts

@@ -6,7 +6,7 @@ import type {
   StreamEvent,
   SystemAPIErrorMessage,
 } from '../../../types/message.js'
-import { getEmptyToolPermissionContext, type Tools } from '../../../Tool.js'
+import { type Tools } from '../../../Tool.js'
 import { toolToAPISchema } from '../../../utils/api.js'
 import { logForDebugging } from '../../../utils/debug.js'
 import {

src/services/api/openai/client.ts

@@ -2,7 +2,6 @@ import OpenAI from 'openai'
 import { openaiAdapter } from 'src/services/providerUsage/adapters/openai.js'
 import { updateProviderBuckets } from 'src/services/providerUsage/store.js'
 import { getProxyFetchOptions } from 'src/utils/proxy.js'
-import { isEnvTruthy } from 'src/utils/envUtils.js'
 
 /**
  * Environment variables:

src/services/api/openai/index.ts

@@ -9,8 +9,6 @@ import type {
 } from '../../../types/message.js'
 import type { AgentId } from '../../../types/ids.js'
 import type { Tools } from '../../../Tool.js'
-import type { Stream } from 'openai/streaming.mjs'
-import type { ChatCompletionCreateParamsStreaming } from 'openai/resources/chat/completions/completions.mjs'
 import { getOpenAIClient } from './client.js'
 import {
   anthropicMessagesToOpenAI,

src/services/compact/cachedMicrocompact.ts

@@ -98,7 +98,7 @@ export function getToolResultsToDelete(state: CachedMCState): string[] {
  * Returns null if toolIds is empty.
  */
 export function createCacheEditsBlock(
-  state: CachedMCState,
+  _state: CachedMCState,
   toolIds: string[],
 ): CacheEditsBlock | null {
   if (toolIds.length === 0) return null

src/services/compact/snipCompact.ts

@@ -82,7 +82,7 @@ function estimateMessageTokens(message: Message): number {
  */
 export function snipCompactIfNeeded(
   messages: Message[],
-  options?: { force?: boolean },
+  _options?: { force?: boolean },
 ): {
   messages: Message[]
   executed: boolean

src/services/doubaoSTT.ts

@@ -18,9 +18,6 @@ import { logError } from '../utils/log.js'
 // Re-export FinalizeSource so useVoice can import from either module
 export type { FinalizeSource } from './voiceStreamSTT.js'
 
-// Maximum time to wait for the generator to finish after end-of-stream signal.
-const FINALIZE_SAFETY_TIMEOUT_MS = 5_000
-
 // ─── AsyncIterable audio queue ─────────────────────────────────────────
 
 // A push-based queue that implements AsyncIterable<Uint8Array>.

src/services/extractMemories/extractMemories.ts

@@ -38,7 +38,6 @@ import { REPL_TOOL_NAME } from '@claude-code-best/builtin-tools/tools/REPLTool/c
 import type {
   AssistantMessage,
   Message,
-  SystemLocalCommandMessage,
   SystemMessage,
 } from '../../types/message.js'
 import { createAbortController } from '../../utils/abortController.js'

src/services/langfuse/sanitize.ts

@@ -60,7 +60,7 @@ function sanitizeObject(obj: Record<string, unknown>): Record<string, unknown> {
   return result
 }
 
-export function sanitizeToolInput(toolName: string, input: unknown): unknown {
+export function sanitizeToolInput(_toolName: string, input: unknown): unknown {
   if (typeof input !== 'object' || input === null) return input
   const obj = { ...(input as Record<string, unknown>) }
 

src/services/mcp/channelNotification.ts

@@ -23,12 +23,10 @@ import { CHANNEL_TAG } from '../../constants/xml.js'
 import { getSubscriptionType } from '../../utils/auth.js'
 import { lazySchema } from '../../utils/lazySchema.js'
 import { parsePluginIdentifier } from '../../utils/plugins/pluginIdentifier.js'
-import { getSettingsForSource } from '../../utils/settings/settings.js'
 import { escapeXmlAttr } from '../../utils/xml.js'
 import {
   type ChannelAllowlistEntry,
   getChannelAllowlist,
-  isChannelsEnabled,
 } from './channelAllowlist.js'
 
 export const ChannelMessageNotificationSchema = lazySchema(() =>

src/services/mcp/client.ts

@@ -117,13 +117,7 @@ import { getLoggingSafeMcpBaseUrl } from './utils.js'
 
 // Package imports — delegate to mcp-client package utilities where applicable
 import {
-  createMcpClient as createMcpClientFromPackage,
-  captureStderr,
   isMcpSessionExpiredError as isMcpSessionExpiredErrorFromPackage,
-  installConnectionMonitor,
-  createCleanup as createCleanupFromPackage,
-  buildConnectedServer,
-  DEFAULT_CONNECTION_TIMEOUT_MS,
   MAX_MCP_DESCRIPTION_LENGTH as PKG_MAX_MCP_DESCRIPTION_LENGTH,
 } from '@claude-code-best/mcp-client'
 import { recursivelySanitizeUnicode } from '@claude-code-best/mcp-client'

src/services/mcpServerApproval.tsx

@@ -1,4 +1,3 @@
-import React from 'react';
 import { MCPServerApprovalDialog } from '../components/MCPServerApprovalDialog.js';
 import { MCPServerMultiselectDialog } from '../components/MCPServerMultiselectDialog.js';
 import type { Root } from '@anthropic/ink';

src/services/remoteManagedSettings/securityCheck.tsx

@@ -1,4 +1,3 @@
-import React from 'react';
 import { getIsInteractive } from '../../bootstrap/state.js';
 import { ManagedSettingsSecurityDialog } from '../../components/ManagedSettingsSecurityDialog/ManagedSettingsSecurityDialog.js';
 import {

src/services/skillLearning/observationStore.ts

@@ -3,7 +3,6 @@ import { dirname, join } from 'node:path'
 import { createHash, randomUUID } from 'node:crypto'
 import type {
   SkillLearningProjectContext as BaseSkillLearningProjectContext,
-  SkillLearningScope,
   SkillObservation as BaseSkillObservation,
   SkillObservationEvent,
   SkillObservationOutcome,

src/services/skillLearning/toolEventObserver.ts

@@ -65,7 +65,7 @@ export function pruneEmittedTurns(): void {
   // Prune over-sized Sets first. FIFO by insertion order — NOT by turn
   // number magnitude. Non-monotonic turn ordering (e.g. replayed transcripts
   // or nested tool chains) should not cause us to evict the wrong entries.
-  for (const [sessionId, turns] of emittedTurns) {
+  for (const [_sessionId, turns] of emittedTurns) {
     if (turns.size > EMITTED_TURNS_SET_MAX) {
       const iter = turns.values()
       const toDrop = turns.size - EMITTED_TURNS_SET_KEEP

src/services/skillSearch/localSearch.ts

@@ -270,7 +270,6 @@ function cosineSimilarity(
 const DISPLAY_MIN_SCORE = Number(
   process.env.SKILL_SEARCH_DISPLAY_MIN_SCORE ?? '0.10',
 )
-const NAME_MATCH_BONUS = 0.4
 const NAME_MATCH_MIN_LENGTH = 4
 const CJK_MIN_BIGRAM_MATCHES = 2
 

src/services/skillSearch/prefetch.ts

@@ -307,7 +307,7 @@ export async function collectSkillDiscoveryPrefetch(
 
 export async function getTurnZeroSkillDiscovery(
   input: string,
-  messages: Message[],
+  _messages: Message[],
   context: ToolUseContext,
 ): Promise<Attachment | null> {
   if (!isSkillSearchEnabled()) return null

src/services/tools/toolHooks.ts

@@ -45,7 +45,7 @@ export async function* runPostToolUseHooks<Input extends AnyObject, Output>(
   toolResponse: Output,
   requestId: string | undefined,
   mcpServerType: McpServerType,
-  mcpServerBaseUrl: string | undefined,
+  _mcpServerBaseUrl: string | undefined,
 ): AsyncGenerator<PostToolUseHooksResult<Output>> {
   const postToolStartTime = Date.now()
   try {
@@ -204,7 +204,7 @@ export async function* runPostToolUseFailureHooks<Input extends AnyObject>(
   isInterrupt: boolean | undefined,
   requestId: string | undefined,
   mcpServerType: McpServerType,
-  mcpServerBaseUrl: string | undefined,
+  _mcpServerBaseUrl: string | undefined,
 ): AsyncGenerator<
   MessageUpdateLazy<AttachmentMessage | ProgressMessage<HookProgress>>
 > {
@@ -448,7 +448,7 @@ export async function* runPreToolUseHooks(
   messageId: string,
   requestId: string | undefined,
   mcpServerType: McpServerType,
-  mcpServerBaseUrl: string | undefined,
+  _mcpServerBaseUrl: string | undefined,
 ): AsyncGenerator<
   | {
       type: 'message'