feat(providers): add Qianfan support

cli/planoai/config_generator.py

@@ -23,6 +23,7 @@ SUPPORTED_PROVIDERS_WITHOUT_BASE_URL = [
     "mistral",
     "openai",
     "xiaomi",
+    "qianfan",
     "gemini",
     "anthropic",
     "together_ai",

cli/planoai/defaults.py

@@ -66,6 +66,12 @@ PROVIDER_DEFAULTS: list[ProviderDefault] = [
         base_url="https://api.deepseek.com/v1",
         model_pattern="deepseek/*",
     ),
+    ProviderDefault(
+        name="qianfan",
+        env_var="QIANFAN_API_KEY",
+        base_url="https://qianfan.baidubce.com/v2",
+        model_pattern="qianfan/*",
+    ),
     ProviderDefault(
         name="mistral",
         env_var="MISTRAL_API_KEY",

cli/test/test_config_generator.py

@@ -293,6 +293,24 @@ model_providers:
     base_url: https://openrouter.ai/api/v1
     passthrough_auth: true
 
+""",
+    },
+    {
+        "id": "qianfan_is_supported_provider",
+        "expected_error": None,
+        "plano_config": """
+version: v0.4.0
+
+listeners:
+  - name: llm
+    type: model
+    port: 12000
+
+model_providers:
+  - model: qianfan/*
+    base_url: https://qianfan.baidubce.com/v2
+    passthrough_auth: true
+
 """,
     },
     {

cli/test/test_defaults.py

@@ -27,6 +27,7 @@ def test_zero_env_vars_produces_pure_passthrough():
         assert provider.get("default") is not True
     # All known providers should be listed.
     names = {p["name"] for p in cfg["model_providers"]}
+    assert "qianfan" in names
     assert "digitalocean" in names
     assert "vercel" in names
     assert "openrouter" in names
@@ -80,6 +81,11 @@ def test_synthesized_config_validates_against_schema():
     jsonschema.validate(cfg, _schema())
 
 
+def test_synthesized_config_with_qianfan_validates_against_schema():
+    cfg = synthesize_default_config(env={"QIANFAN_API_KEY": "qf-1"})
+    jsonschema.validate(cfg, _schema())
+
+
 def test_provider_defaults_digitalocean_is_configured():
     by_name = {p.name: p for p in PROVIDER_DEFAULTS}
     assert "digitalocean" in by_name
@@ -104,6 +110,21 @@ def test_provider_defaults_openrouter_is_configured():
     assert by_name["openrouter"].model_pattern == "openrouter/*"
 
 
+def test_provider_defaults_qianfan_is_configured():
+    by_name = {p.name: p for p in PROVIDER_DEFAULTS}
+    assert "qianfan" in by_name
+    assert by_name["qianfan"].env_var == "QIANFAN_API_KEY"
+    assert by_name["qianfan"].base_url == "https://qianfan.baidubce.com/v2"
+    assert by_name["qianfan"].model_pattern == "qianfan/*"
+
+
+def test_qianfan_env_key_promotes_to_env_keyed():
+    cfg = synthesize_default_config(env={"QIANFAN_API_KEY": "qf-1"})
+    by_name = {p["name"]: p for p in cfg["model_providers"]}
+    assert by_name["qianfan"].get("access_key") == "$QIANFAN_API_KEY"
+    assert by_name["qianfan"].get("passthrough_auth") is None
+
+
 def test_openrouter_env_key_promotes_to_env_keyed():
     cfg = synthesize_default_config(env={"OPENROUTER_API_KEY": "or-1"})
     by_name = {p["name"]: p for p in cfg["model_providers"]}