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/backend-client/tests/fixtures/task_details_with_error.json

@@ -0,0 +1,22 @@
+{
+  "task": {
+    "id": "task_456",
+    "title": "Investigate failure",
+    "archived": false,
+    "external_pull_requests": []
+  },
+  "current_assistant_turn": {
+    "output_items": [
+      {
+        "type": "pr",
+        "output_diff": {
+          "diff": "diff --git a/lib.rs b/lib.rs\n+pub fn hello() {}\n"
+        }
+      }
+    ],
+    "error": {
+      "code": "APPLY_FAILED",
+      "message": "Patch could not be applied"
+    }
+  }
+}