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_28.txt

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