Phase 6: Testing & Validation - Additional Fixes

Fixed remaining references found during testing:

Rust source code fixes:
- Updated CLI bin_name and override_usage: codex → llmx
- Updated test examples in wsl_paths.rs
- Updated GitHub URLs: github.com/openai/codex → github.com/valknar/llmx
- Updated directory references: ~/.codex/ → ~/.llmx/
- Updated documentation link: "Codex docs" → "LLMX docs"
- Updated feedback URL to point to valknar/llmx repository

Configuration files:
- Regenerated llmx-cli/package-lock.json with updated package name
- Updated pnpm-lock.yaml

Test results:
- TypeScript SDK build: ✓ Success
- TypeScript lint: ✓ Pass
- Rust tests: 12/13 passed (1 locale-specific test failure unrelated to rename)
- Rust release build: In progress

Files changed: 22 files (49 insertions, 46 deletions)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

llmx-rs/tui/src/bottom_pane/feedback_view.rs

@@ -26,7 +26,7 @@ use super::popup_consts::standard_popup_hint_line;
 use super::textarea::TextArea;
 use super::textarea::TextAreaState;
 
-const BASE_ISSUE_URL: &str = "https://github.com/openai/codex/issues/new?template=2-bug-report.yml";
+const BASE_ISSUE_URL: &str = "https://github.com/valknar/llmx/issues/new?template=2-bug-report.yml";
 
 /// Minimal input overlay to collect an optional feedback note, then upload
 /// both logs and rollout with classification + metadata.