chore: update spec 175 status to complete

Co-authored-by: tikazyq <[email protected]>

Author: Copilot

specs/175-rust-cli-e2e-test-suite/README.md

@@ -1,17 +1,23 @@
 ---
-status: planned
+status: complete
 created: '2025-12-18'
 tags:
   - testing
   - rust
   - quality
 priority: high
 created_at: '2025-12-18T05:55:17.246448125+00:00'
+updated_at: '2025-12-18T10:05:24.000Z'
+completed_at: '2025-12-18T10:05:24.000Z'
+completed: '2025-12-18'
+transitions:
+  - status: complete
+    at: '2025-12-18T10:05:24.000Z'
 ---
 
 # Port TypeScript E2E Test Suite to Rust CLI
 
-> **Status**: 🗓️ Planned · **Created**: 2025-12-18
+> **Status**: ✅ Complete · **Priority**: High · **Created**: 2025-12-18 · **Tags**: testing, rust, quality
 
 ## Overview