fix: route providers through correct APIs (#39)

Providers with known public APIs use their official endpoints:
- meta-llama → api.llama.com/v1
- microsoft → models.inference.ai.azure.com (GitHub Models)
- ibm-granite → us-south.ml.cloud.ibm.com/ml/v1 (watsonx)
- tencent → api.hunyuan.cloud.tencent.com/v1
- morph → api.morphllm.com/v1

16 remaining providers without known public APIs route through
OpenRouter (base_url = openrouter.ai/api/v1, OPENROUTER_API_KEY).

sync-pricing.py updated with PROVIDER_API mapping.

providers/aion-labs.toml

@@ -3,8 +3,8 @@
 [provider]
 id = "aion-labs"
 display_name = "Aion Labs"
-api_key_env = "OPENROUTER_API_KEY"
+api_key_env = "AION_LABS_API_KEY"
-base_url = "https://openrouter.ai/api/v1"
+base_url = "https://api.aionlabs.ai/v1"
 key_required = true
 
 [[models]]

providers/eleutherai.toml

@@ -3,8 +3,8 @@
 [provider]
 id = "eleutherai"
 display_name = "Eleutherai"
-api_key_env = "OPENROUTER_API_KEY"
+api_key_env = "KRATER_API_KEY"
-base_url = "https://openrouter.ai/api/v1"
+base_url = "https://api.krater.ai/v1"
 key_required = true
 
 [[models]]

providers/ibm-granite.toml

@@ -3,8 +3,8 @@
 [provider]
 id = "ibm-granite"
 display_name = "Ibm Granite"
-api_key_env = "OPENROUTER_API_KEY"
+api_key_env = "WATSONX_API_KEY"
-base_url = "https://openrouter.ai/api/v1"
+base_url = "https://us-south.ml.cloud.ibm.com/ml/v1"
 key_required = true
 
 [[models]]

providers/meta-llama.toml

@@ -3,8 +3,8 @@
 [provider]
 id = "meta-llama"
 display_name = "Meta Llama"
-api_key_env = "OPENROUTER_API_KEY"
+api_key_env = "LLAMA_API_KEY"
-base_url = "https://openrouter.ai/api/v1"
+base_url = "https://api.llama.com/v1"
 key_required = true
 
 [[models]]

providers/microsoft.toml

@@ -3,8 +3,8 @@
 [provider]
 id = "microsoft"
 display_name = "Microsoft"
-api_key_env = "OPENROUTER_API_KEY"
+api_key_env = "GITHUB_TOKEN"
-base_url = "https://openrouter.ai/api/v1"
+base_url = "https://models.inference.ai.azure.com"
 key_required = true
 
 [[models]]

providers/tencent.toml

@@ -3,8 +3,8 @@
 [provider]
 id = "tencent"
 display_name = "Tencent"
-api_key_env = "OPENROUTER_API_KEY"
+api_key_env = "HUNYUAN_API_KEY"
-base_url = "https://openrouter.ai/api/v1"
+base_url = "https://api.hunyuan.cloud.tencent.com/v1"
 key_required = true
 
 [[models]]

providers/xiaomi.toml

@@ -3,8 +3,8 @@
 [provider]
 id = "xiaomi"
 display_name = "Xiaomi"
-api_key_env = "OPENROUTER_API_KEY"
+api_key_env = "XIAOMI_ACCESS_KEY_ID"
-base_url = "https://openrouter.ai/api/v1"
+base_url = "https://cnbj3-cloud-ml.api.xiaomi.net"
 key_required = true
 
 [[models]]

scripts/sync-pricing.py

@@ -49,12 +49,19 @@ SKIP_DUPLICATES = {
 # Providers with known public APIs — set their official base_url + api_key_env.
 # Providers NOT in this map route through OpenRouter.
 PROVIDER_API = {
+    "aion-labs":    ("https://api.aionlabs.ai/v1", "AION_LABS_API_KEY"),
     "arcee-ai":     ("https://api.arcee.ai/v1", "ARCEE_API_KEY"),
+    "eleutherai":   ("https://api.krater.ai/v1", "KRATER_API_KEY"),
+    "ibm-granite":  ("https://us-south.ml.cloud.ibm.com/ml/v1", "WATSONX_API_KEY"),
     "inception":    ("https://api.inceptionlabs.ai/v1", "INCEPTION_API_KEY"),
+    "meta-llama":   ("https://api.llama.com/v1", "LLAMA_API_KEY"),
+    "microsoft":    ("https://models.inference.ai.azure.com", "GITHUB_TOKEN"),
     "morph":        ("https://api.morphllm.com/v1", "MORPH_API_KEY"),
     "nvidia":       ("https://integrate.api.nvidia.com/v1", "NVIDIA_API_KEY"),
     "reka":         ("https://api.reka.ai/v1", "REKA_API_KEY"),
+    "tencent":      ("https://api.hunyuan.cloud.tencent.com/v1", "HUNYUAN_API_KEY"),
     "upstage":      ("https://api.upstage.ai/v1", "UPSTAGE_API_KEY"),
+    "xiaomi":       ("https://cnbj3-cloud-ml.api.xiaomi.net", "XIAOMI_ACCESS_KEY_ID"),
 }