Phase 1: Repository & Infrastructure Setup

- Renamed directories: codex-rs -> llmx-rs, codex-cli -> llmx-cli
- Updated package.json files:
  - Root: llmx-monorepo
  - CLI: @llmx/llmx
  - SDK: @llmx/llmx-sdk
- Updated pnpm workspace configuration
- Renamed binary: codex.js -> llmx.js
- Updated environment variables: CODEX_* -> LLMX_*
- Changed repository URLs to valknar/llmx

🤖 Generated with Claude Code

llmx-rs/tui/frames/shapes/frame_21.txt

@@ -0,0 +1,17 @@
+                                      
+             ◆◆▲●□●●□●□▲◆◆            
+          ▲□□◆◆◆◆□◇●◇□●◆◆▲□□◆         
+        ●□○◆□□○■◆     ◆○◇□□◆◆□▲       
+      ▲□◇●■■             ◆▲●□▲●□▲     
+     △▲△□◆             ▲◇△◆○ ○○◆○▲    
+    △■△◇             ▲□□◆△△    ○○○▲   
+    ◇■◇◆           ◆ △◆▲△■     ○●○■   
+     ◆○            ○● ■◇▲       ◇ ◇   
+    ◇ ◇  ▲□●●●●●□□□  ○◇▲■◇▲    ●△ ◇   
+    ◇ ◇○ ◇◆      ◆▲◇   ○■◆□◇▲  △■△△   
+     ● ■△ ◆◆■■■  ■◆     ■□◆▲● △◆ ▲    
+     ■□ △●◆                 ◆□■ △     
+       □◆  ○▲◆          ◆△●□■ ▲◆      
+         □●◆ □■□□△◇◇●△●□■■  ▲◆        
+            □□□●□◆◆◆◆▲◆●□□◆           
+