Add getall/getrawall for nested params, ROOT_KEY constant, tests and docs

tests/test_config_manager.py

@@ -98,6 +98,45 @@ def test_config_validator():
         assert config.get("level", cat="test") == "DEBUG"
 
 
+def test_config_getraw_setraw():
+    config.reset()
+    config.register(name="path", val="val1", cat="model1")
+    config.register(name="opt.temperature", val="val2", cat="model1")
+    config.register(name="path", val="val3", cat="global")
+
+    assert config.getraw("model1.path") == "val1"
+    assert config.getraw("model1.opt.temperature") == "val2"
+    assert config.getraw("global.path") == "val3"
+
+    config.setraw("model1.path", "new_val")
+    assert config.getraw("model1.path") == "new_val"
+
+
+def test_config_getall_getrawall():
+    config.reset()
+    config.register(name="coder", val="llama-coder", cat="models")
+    config.register(name="coder.thinking", val="full", cat="models")
+    config.register(name="coder.temperature", val="0.3", cat="models")
+    config.register(name="chatter", val="gemmini", cat="models")
+    config.register(name="chatter.thinking", val="none", cat="models")
+    config.register(name="chatter.temperature", val="0.9", cat="models")
+
+    assert config.get("coder", cat="models") == "llama-coder"
+
+    all_coder = config.getall("coder", cat="models")
+    assert all_coder == {
+        "$root$": "llama-coder",
+        "thinking": "full",
+        "temperature": "0.3",
+    }
+
+    rawall = config.getrawall("models")
+    assert rawall == {
+        "coder": {"$root$": "llama-coder", "thinking": "full", "temperature": "0.3"},
+        "chatter": {"$root$": "gemmini", "thinking": "none", "temperature": "0.9"},
+    }
+
+
 def run_tests():
     tests = [
         test_config_manager_register_and_get,
@@ -108,6 +147,8 @@ def run_tests():
         test_config_parameter_get_parameter,
         test_config_set_value,
         test_config_validator,
+        test_config_getraw_setraw,
+        test_config_getall_getrawall,
     ]
 
     passed = 0