feat(env): add debug logging for global env injection

- log injected global env var names in debug mode (CCS_DEBUG)

- log when telemetry/reporting env vars are applied in CLIProxy

src/ccs.ts

@@ -499,6 +499,12 @@ async function main(): Promise<void> {
         const globalEnvConfig = getGlobalEnvConfig();
         const globalEnv = globalEnvConfig.enabled ? globalEnvConfig.env : {};
 
+        // Log global env injection for visibility (debug mode only)
+        if (globalEnvConfig.enabled && Object.keys(globalEnv).length > 0 && process.env.CCS_DEBUG) {
+          const envNames = Object.keys(globalEnv).join(', ');
+          console.error(`[i] Global env: ${envNames}`);
+        }
+
         // CRITICAL: Load settings and explicitly set ANTHROPIC_* env vars
         // to prevent inheriting stale values from previous CLIProxy sessions.
         // Environment variables take precedence over --settings file values,

src/cliproxy/cliproxy-executor.ts

@@ -530,6 +530,10 @@ export async function execClaudeWithCLIProxy(
   if (Object.keys(webSearchEnv).length > 0) {
     log(`Claude env: WebSearch config=${JSON.stringify(webSearchEnv)}`);
   }
+  // Log global env vars for visibility
+  if (envVars.DISABLE_TELEMETRY || envVars.DISABLE_ERROR_REPORTING || envVars.DISABLE_BUG_COMMAND) {
+    log(`Claude env: Global env applied (telemetry/reporting disabled)`);
+  }
 
   // Filter out CCS-specific flags before passing to Claude CLI
   // Note: Proxy flags (--proxy-host, etc.) already stripped by resolveProxyConfig()