fix(provider): accept canonical and alias provider names consistently

tests/test_commands.py

@@ -11,7 +11,7 @@ from nanobot.cli.commands import _make_provider, app
 from nanobot.config.schema import Config
 from nanobot.providers.litellm_provider import LiteLLMProvider
 from nanobot.providers.openai_codex_provider import _strip_model_prefix
-from nanobot.providers.registry import find_by_model
+from nanobot.providers.registry import find_by_model, find_by_name
 
 runner = CliRunner()
 
@@ -240,6 +240,34 @@ def test_config_explicit_ollama_provider_uses_default_localhost_api_base():
     assert config.get_api_base() == "http://localhost:11434"
 
 
+def test_config_accepts_camel_case_explicit_provider_name_for_coding_plan():
+    config = Config.model_validate(
+        {
+            "agents": {
+                "defaults": {
+                    "provider": "volcengineCodingPlan",
+                    "model": "doubao-1-5-pro",
+                }
+            },
+            "providers": {
+                "volcengineCodingPlan": {
+                    "apiKey": "test-key",
+                }
+            },
+        }
+    )
+
+    assert config.get_provider_name() == "volcengine_coding_plan"
+    assert config.get_api_base() == "https://ark.cn-beijing.volces.com/api/coding/v3"
+
+
+def test_find_by_name_accepts_camel_case_and_hyphen_aliases():
+    assert find_by_name("volcengineCodingPlan") is not None
+    assert find_by_name("volcengineCodingPlan").name == "volcengine_coding_plan"
+    assert find_by_name("github-copilot") is not None
+    assert find_by_name("github-copilot").name == "github_copilot"
+
+
 def test_config_auto_detects_ollama_from_local_api_base():
     config = Config.model_validate(
         {