fix: detect single-backslash, home-relative and bare relative Windows paths

Addresses Gemini and Greptile review feedback: is_path_like now recognizes
\path, ~\path and relative paths containing backslashes (e.g. knowledge\docs)
so equivalent Windows configurations resolve as knowledge sources.

Co-authored-by: Mervin Praison <[email protected]>

src/praisonai-agents/praisonaiagents/config/parse_utils.py

@@ -107,8 +107,8 @@ def is_path_like(value: str) -> bool:
     if not isinstance(value, str):
         return False
     
-    # Check for path indicators
-    if value.startswith(("./", "../", "/", "~/", ".\\", "..\\", "\\\\")):
+    # Check for path indicators (POSIX and Windows-style prefixes)
+    if value.startswith(("./", "../", "/", "~/", ".\\", "..\\", "\\\\", "\\", "~\\")):
         return True
 
     # Check for Windows drive paths like C:\data or C:/data
@@ -119,10 +119,15 @@ def is_path_like(value: str) -> bool:
         and value[2] in ("\\", "/")
     ):
         return True
-    
+
     # Check for directory indicator
     if value.endswith(("/", "\\")):
         return True
+
+    # Check for embedded backslash separators (relative Windows path like "knowledge\docs").
+    # Backslash is not valid in normal config string values, so it is a strong path signal.
+    if "\\" in value:
+        return True
     
     # Check for file extension (common ones)
     if "." in value:

src/praisonai-agents/tests/unit/config/test_agent_centric_enhancements.py

@@ -347,6 +347,16 @@ class TestKnowledgePresets:
         )
         assert isinstance(result, MockKnowledgeConfig)
         assert result.sources == ["C:\\knowledge"]
+
+        for windows_path in ("\\knowledge", "~\\knowledge", "knowledge\\docs"):
+            result = resolve(
+                value=windows_path,
+                param_name="knowledge",
+                config_class=MockKnowledgeConfig,
+                string_mode="path_as_source",
+            )
+            assert isinstance(result, MockKnowledgeConfig)
+            assert result.sources == [windows_path]
     
     def test_knowledge_array_sources(self):
         """Array of paths should be sources list."""