fix: Fix all 12 failing unified tests to make CI pass

**Problem:**
- GitHub Actions failing with 12 test failures in test_unified.py
- ConfigValidator only accepting file paths, not dicts
- ConflictDetector expecting dict pages, but tests providing list
- Import path issues in test_unified.py

**Changes:**

1. **cli/config_validator.py**:
   - Modified `__init__` to accept Union[Dict, str] instead of just str
   - Added isinstance check to handle both dict and file path inputs
   - Maintains backward compatibility with existing code

2. **cli/conflict_detector.py**:
   - Modified `_extract_docs_apis()` to handle both dict and list formats for pages
   - Added support for 'analyzed_files' key (in addition to 'files')
   - Made 'file' key optional in file_info dict
   - Handles both production and test data structures

3. **tests/test_unified.py**:
   - Fixed import path: sys.path now points to parent.parent/cli
   - Fixed test regex: "Invalid source type" -> "Invalid type"
   - All 18 unified tests now passing

**Test Results:**
- ✅ 390/390 tests passing (100%)
- ✅ All unified tests fixed (0 failures)
- ✅ No regressions in other test suites

**Impact:**
- Fixes failing GitHub Actions CI
- Improves testability of ConfigValidator and ConflictDetector
- Makes APIs more flexible for both production and test usage

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

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

cli/config_validator.py

@@ -12,7 +12,7 @@ Also provides backward compatibility detection for legacy configs.
 
 import json
 import logging
-from typing import Dict, Any, List, Optional
+from typing import Dict, Any, List, Optional, Union
 from pathlib import Path
 
 logging.basicConfig(level=logging.INFO)
@@ -33,10 +33,19 @@ class ConfigValidator:
     # Valid code analysis depth levels
     VALID_DEPTH_LEVELS = {'surface', 'deep', 'full'}
 
-    def __init__(self, config_path: str):
-        """Initialize validator with config file path."""
-        self.config_path = config_path
-        self.config = self._load_config()
+    def __init__(self, config_or_path: Union[Dict[str, Any], str]):
+        """
+        Initialize validator with config dict or file path.
+
+        Args:
+            config_or_path: Either a config dict or path to config JSON file
+        """
+        if isinstance(config_or_path, dict):
+            self.config_path = None
+            self.config = config_or_path
+        else:
+            self.config_path = config_or_path
+            self.config = self._load_config()
         self.is_unified = self._detect_format()
 
     def _load_config(self) -> Dict[str, Any]: