feat: implement ignore patterns and extension filters in CodexLens

- Added tests to ensure loading of ignore patterns and extension filters from settings.
- Implemented functionality to respect ignore patterns and extension filters during file indexing.
- Created integration tests for CodexLens ignore-pattern configuration routes.
- Added a new AdvancedTab component with tests for managing ignore patterns and extension filters.
- Established a comprehensive branding naming system for the Maestro project, including guidelines for package names, CLI commands, and directory structure.

codex-lens/tests/test_config_ignore_patterns.py

@@ -19,6 +19,7 @@ def test_load_settings_reads_ignore_patterns_and_extension_filters(tmp_path: Pat
     )
 
     config = Config(data_dir=tmp_path)
+    config.load_settings()
 
     assert config.ignore_patterns == ["frontend/dist", "coverage"]
     assert config.extension_filters == ["*.min.js", "*.map"]

codex-lens/tests/test_index_tree_ignore_dirs.py

@@ -1,5 +1,6 @@
 from __future__ import annotations
 
+import json
 from pathlib import Path
 from unittest.mock import MagicMock
 
@@ -84,3 +85,63 @@ def test_collect_dirs_by_depth_respects_relative_ignore_patterns_from_config(tmp
 
     assert "frontend/src" in discovered_dirs
     assert "frontend/dist" not in discovered_dirs
+
+
+def test_iter_source_files_respects_extension_filters_and_relative_patterns(tmp_path: Path) -> None:
+    frontend_dir = tmp_path / "frontend"
+    frontend_dir.mkdir()
+    (frontend_dir / "app.ts").write_text("export const app = 1\n", encoding="utf-8")
+    (frontend_dir / "bundle.min.js").write_text("export const bundle = 1\n", encoding="utf-8")
+    (frontend_dir / "skip.ts").write_text("export const skip = 1\n", encoding="utf-8")
+
+    builder = IndexTreeBuilder(
+        registry=MagicMock(),
+        mapper=MagicMock(),
+        config=Config(
+            data_dir=tmp_path / "data",
+            extension_filters=["*.min.js", "frontend/skip.ts"],
+        ),
+        incremental=False,
+    )
+
+    source_files = builder._iter_source_files(frontend_dir, source_root=tmp_path)
+
+    assert [path.name for path in source_files] == ["app.ts"]
+    assert builder._should_index_dir(frontend_dir, source_root=tmp_path) is True
+
+
+def test_builder_loads_saved_ignore_and_extension_filters_by_default(tmp_path: Path, monkeypatch) -> None:
+    codexlens_home = tmp_path / "codexlens-home"
+    codexlens_home.mkdir()
+    (codexlens_home / "settings.json").write_text(
+        json.dumps(
+            {
+                "ignore_patterns": ["frontend/dist"],
+                "extension_filters": ["*.min.js"],
+            }
+        ),
+        encoding="utf-8",
+    )
+    monkeypatch.setenv("CODEXLENS_DATA_DIR", str(codexlens_home))
+
+    frontend_dir = tmp_path / "frontend"
+    frontend_dir.mkdir()
+    dist_dir = frontend_dir / "dist"
+    dist_dir.mkdir()
+    (frontend_dir / "app.ts").write_text("export const app = 1\n", encoding="utf-8")
+    (frontend_dir / "bundle.min.js").write_text("export const bundle = 1\n", encoding="utf-8")
+    (dist_dir / "compiled.ts").write_text("export const compiled = 1\n", encoding="utf-8")
+
+    builder = IndexTreeBuilder(
+        registry=MagicMock(),
+        mapper=MagicMock(),
+        config=None,
+        incremental=False,
+    )
+
+    source_files = builder._iter_source_files(frontend_dir, source_root=tmp_path)
+    dirs_by_depth = builder._collect_dirs_by_depth(tmp_path)
+    discovered_dirs = _relative_dirs(tmp_path, dirs_by_depth)
+
+    assert [path.name for path in source_files] == ["app.ts"]
+    assert "frontend/dist" not in discovered_dirs