feat: 移除反蒸馏代码

src/constants/betas.ts

@@ -20,9 +20,6 @@ export const FAST_MODE_BETA_HEADER = 'fast-mode-2026-02-01'
 export const REDACT_THINKING_BETA_HEADER = 'redact-thinking-2026-02-12'
 export const TOKEN_EFFICIENT_TOOLS_BETA_HEADER =
   'token-efficient-tools-2026-03-28'
-export const SUMMARIZE_CONNECTOR_TEXT_BETA_HEADER = feature('CONNECTOR_TEXT')
-  ? 'summarize-connector-text-2026-03-13'
-  : ''
 export const AFK_MODE_BETA_HEADER = feature('TRANSCRIPT_CLASSIFIER')
   ? 'afk-mode-2026-01-31'
   : ''

src/services/api/claude.ts

@@ -299,20 +299,6 @@ export function getExtraBodyParams(betaHeaders?: string[]): JsonObject {
     }
   }
 
-  // Anti-distillation: send fake_tools opt-in for 1P CLI only
-  if (
-    feature('ANTI_DISTILLATION_CC')
-      ? process.env.CLAUDE_CODE_ENTRYPOINT === 'cli' &&
-        shouldIncludeFirstPartyOnlyBetas() &&
-        getFeatureValue_CACHED_MAY_BE_STALE(
-          'tengu_anti_distill_fake_tool_injection',
-          false,
-        )
-      : false
-  ) {
-    result.anti_distillation = ['fake_tools']
-  }
-
   // Handle beta headers if provided
   if (betaHeaders && betaHeaders.length > 0) {
     if (result.anthropic_beta && Array.isArray(result.anthropic_beta)) {

src/utils/betas.ts

@@ -15,7 +15,6 @@ import {
   PROMPT_CACHING_SCOPE_BETA_HEADER,
   REDACT_THINKING_BETA_HEADER,
   STRUCTURED_OUTPUTS_BETA_HEADER,
-  SUMMARIZE_CONNECTOR_TEXT_BETA_HEADER,
   TOKEN_EFFICIENT_TOOLS_BETA_HEADER,
   TOOL_SEARCH_BETA_HEADER_1P,
   TOOL_SEARCH_BETA_HEADER_3P,
@@ -276,27 +275,6 @@ export const getAllModelBetas = memoize((model: string): string[] => {
     betaHeaders.push(REDACT_THINKING_BETA_HEADER)
   }
 
-  // POC: server-side connector-text summarization (anti-distillation). The
-  // API buffers assistant text between tool calls, summarizes it, and returns
-  // the summary with a signature so the original can be restored on subsequent
-  // turns — same mechanism as thinking blocks. Ant-only while we measure
-  // TTFT/TTLT/capacity; betas already flow to tengu_api_success for splitting.
-  // Backend independently requires Capability.ANTHROPIC_INTERNAL_RESEARCH.
-  //
-  // USE_CONNECTOR_TEXT_SUMMARIZATION is tri-state: =1 forces on (opt-in even
-  // if GB is off), =0 forces off (opt-out of a GB rollout you were bucketed
-  // into), unset defers to GB.
-  if (
-    SUMMARIZE_CONNECTOR_TEXT_BETA_HEADER &&
-    process.env.USER_TYPE === 'ant' &&
-    includeFirstPartyOnlyBetas &&
-    !isEnvDefinedFalsy(process.env.USE_CONNECTOR_TEXT_SUMMARIZATION) &&
-    (isEnvTruthy(process.env.USE_CONNECTOR_TEXT_SUMMARIZATION) ||
-      getFeatureValue_CACHED_MAY_BE_STALE('tengu_slate_prism', false))
-  ) {
-    betaHeaders.push(SUMMARIZE_CONNECTOR_TEXT_BETA_HEADER)
-  }
-
   // Add context management beta for tool clearing (ant opt-in) or thinking preservation
   const antOptedIntoToolClearing =
     isEnvTruthy(process.env.USE_API_CONTEXT_MANAGEMENT) &&

src/utils/streamlinedTransform.ts

@@ -1,7 +1,7 @@
 /**
  * Transforms SDK messages for streamlined output mode.
  *
- * Streamlined mode is a "distillation-resistant" output format that:
+ * Streamlined mode is a compact output format that:
  * - Keeps text messages intact
  * - Summarizes tool calls with cumulative counts (resets when text appears)
  * - Omits thinking content